From 3df8eb60e3227b4cff671e4714d262603b82943b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Kim=20Carlb=C3=A4cker?= Date: Wed, 27 Apr 2016 03:48:44 +0200 Subject: [PATCH] PDF-Previews in file-lists now working (#3000) --- modules/base/tool.go | 8 + public/plugins/pdfjs-1.4.20/LICENSE | 177 + public/plugins/pdfjs-1.4.20/build/pdf.js | 10375 ++++ .../plugins/pdfjs-1.4.20/build/pdf.worker.js | 42034 ++++++++++++++++ .../plugins/pdfjs-1.4.20/web/compatibility.js | 593 + public/plugins/pdfjs-1.4.20/web/debugger.js | 618 + .../web/images/annotation-check.svg | 11 + .../web/images/annotation-comment.svg | 16 + .../web/images/annotation-help.svg | 26 + .../web/images/annotation-insert.svg | 10 + .../web/images/annotation-key.svg | 11 + .../web/images/annotation-newparagraph.svg | 11 + .../web/images/annotation-noicon.svg | 7 + .../web/images/annotation-note.svg | 42 + .../web/images/annotation-paragraph.svg | 16 + .../web/images/findbarButton-next-rtl.png | Bin 0 -> 199 bytes .../web/images/findbarButton-next-rtl@2x.png | Bin 0 -> 304 bytes .../web/images/findbarButton-next.png | Bin 0 -> 193 bytes .../web/images/findbarButton-next@2x.png | Bin 0 -> 296 bytes .../web/images/findbarButton-previous-rtl.png | Bin 0 -> 193 bytes .../images/findbarButton-previous-rtl@2x.png | Bin 0 -> 296 bytes .../web/images/findbarButton-previous.png | Bin 0 -> 199 bytes .../web/images/findbarButton-previous@2x.png | Bin 0 -> 304 bytes .../plugins/pdfjs-1.4.20/web/images/grab.cur | Bin 0 -> 326 bytes .../pdfjs-1.4.20/web/images/grabbing.cur | Bin 0 -> 326 bytes .../pdfjs-1.4.20/web/images/loading-icon.gif | Bin 0 -> 2545 bytes .../pdfjs-1.4.20/web/images/loading-small.png | Bin 0 -> 7402 bytes .../web/images/loading-small@2x.png | Bin 0 -> 16131 bytes ...ondaryToolbarButton-documentProperties.png | Bin 0 -> 403 bytes ...aryToolbarButton-documentProperties@2x.png | Bin 0 -> 933 bytes .../secondaryToolbarButton-firstPage.png | Bin 0 -> 179 bytes 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-> 108 bytes .../images/toolbarButton-menuArrows@2x.png | Bin 0 -> 152 bytes .../web/images/toolbarButton-openFile.png | Bin 0 -> 295 bytes .../web/images/toolbarButton-openFile@2x.png | Bin 0 -> 550 bytes .../web/images/toolbarButton-pageDown-rtl.png | Bin 0 -> 242 bytes .../images/toolbarButton-pageDown-rtl@2x.png | Bin 0 -> 398 bytes .../web/images/toolbarButton-pageDown.png | Bin 0 -> 238 bytes .../web/images/toolbarButton-pageDown@2x.png | Bin 0 -> 396 bytes .../web/images/toolbarButton-pageUp-rtl.png | Bin 0 -> 245 bytes .../images/toolbarButton-pageUp-rtl@2x.png | Bin 0 -> 405 bytes .../web/images/toolbarButton-pageUp.png | Bin 0 -> 246 bytes .../web/images/toolbarButton-pageUp@2x.png | Bin 0 -> 403 bytes .../images/toolbarButton-presentationMode.png | Bin 0 -> 321 bytes .../toolbarButton-presentationMode@2x.png | Bin 0 -> 586 bytes .../web/images/toolbarButton-print.png | Bin 0 -> 257 bytes .../web/images/toolbarButton-print@2x.png | Bin 0 -> 464 bytes .../web/images/toolbarButton-search.png | Bin 0 -> 309 bytes .../web/images/toolbarButton-search@2x.png | Bin 0 -> 653 bytes ...olbarButton-secondaryToolbarToggle-rtl.png | Bin 0 -> 246 bytes ...arButton-secondaryToolbarToggle-rtl@2x.png | Bin 0 -> 456 bytes .../toolbarButton-secondaryToolbarToggle.png | Bin 0 -> 243 bytes ...oolbarButton-secondaryToolbarToggle@2x.png | Bin 0 -> 458 bytes .../toolbarButton-sidebarToggle-rtl.png | Bin 0 -> 225 bytes .../toolbarButton-sidebarToggle-rtl@2x.png | Bin 0 -> 344 bytes .../images/toolbarButton-sidebarToggle.png | Bin 0 -> 225 bytes .../images/toolbarButton-sidebarToggle@2x.png | Bin 0 -> 331 bytes .../images/toolbarButton-viewAttachments.png | Bin 0 -> 384 bytes .../toolbarButton-viewAttachments@2x.png | Bin 0 -> 871 bytes .../images/toolbarButton-viewOutline-rtl.png | Bin 0 -> 177 bytes .../toolbarButton-viewOutline-rtl@2x.png | Bin 0 -> 394 bytes .../web/images/toolbarButton-viewOutline.png | Bin 0 -> 178 bytes .../images/toolbarButton-viewOutline@2x.png | Bin 0 -> 331 bytes .../images/toolbarButton-viewThumbnail.png | Bin 0 -> 185 bytes .../images/toolbarButton-viewThumbnail@2x.png | Bin 0 -> 220 bytes .../web/images/toolbarButton-zoomIn.png | Bin 0 -> 136 bytes .../web/images/toolbarButton-zoomIn@2x.png | Bin 0 -> 160 bytes .../web/images/toolbarButton-zoomOut.png | Bin 0 -> 88 bytes .../web/images/toolbarButton-zoomOut@2x.png | Bin 0 -> 109 bytes .../web/images/treeitem-collapsed-rtl.png | Bin 0 -> 183 bytes .../web/images/treeitem-collapsed-rtl@2x.png | Bin 0 -> 205 bytes .../web/images/treeitem-collapsed.png | Bin 0 -> 128 bytes .../web/images/treeitem-collapsed@2x.png | Bin 0 -> 149 bytes .../web/images/treeitem-expanded.png | Bin 0 -> 125 bytes .../web/images/treeitem-expanded@2x.png | Bin 0 -> 172 bytes public/plugins/pdfjs-1.4.20/web/viewer.css | 2122 + public/plugins/pdfjs-1.4.20/web/viewer.html | 422 + public/plugins/pdfjs-1.4.20/web/viewer.js | 7952 +++ routers/repo/view.go | 4 +- templates/repo/view_file.tmpl | 2 + 95 files changed, 64456 insertions(+), 1 deletion(-) create mode 100644 public/plugins/pdfjs-1.4.20/LICENSE create mode 100644 public/plugins/pdfjs-1.4.20/build/pdf.js create mode 100644 public/plugins/pdfjs-1.4.20/build/pdf.worker.js create mode 100644 public/plugins/pdfjs-1.4.20/web/compatibility.js create mode 100644 public/plugins/pdfjs-1.4.20/web/debugger.js create mode 100644 public/plugins/pdfjs-1.4.20/web/images/annotation-check.svg create mode 100644 public/plugins/pdfjs-1.4.20/web/images/annotation-comment.svg create mode 100644 public/plugins/pdfjs-1.4.20/web/images/annotation-help.svg create mode 100644 public/plugins/pdfjs-1.4.20/web/images/annotation-insert.svg create mode 100644 public/plugins/pdfjs-1.4.20/web/images/annotation-key.svg create mode 100644 public/plugins/pdfjs-1.4.20/web/images/annotation-newparagraph.svg create mode 100644 public/plugins/pdfjs-1.4.20/web/images/annotation-noicon.svg create mode 100644 public/plugins/pdfjs-1.4.20/web/images/annotation-note.svg create mode 100644 public/plugins/pdfjs-1.4.20/web/images/annotation-paragraph.svg create mode 100644 public/plugins/pdfjs-1.4.20/web/images/findbarButton-next-rtl.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/findbarButton-next-rtl@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/findbarButton-next.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/findbarButton-next@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/findbarButton-previous-rtl.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/findbarButton-previous-rtl@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/findbarButton-previous.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/findbarButton-previous@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/grab.cur create mode 100644 public/plugins/pdfjs-1.4.20/web/images/grabbing.cur create mode 100644 public/plugins/pdfjs-1.4.20/web/images/loading-icon.gif create mode 100644 public/plugins/pdfjs-1.4.20/web/images/loading-small.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/loading-small@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/secondaryToolbarButton-documentProperties.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/secondaryToolbarButton-documentProperties@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/secondaryToolbarButton-firstPage.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/secondaryToolbarButton-firstPage@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/secondaryToolbarButton-handTool.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/secondaryToolbarButton-handTool@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/secondaryToolbarButton-lastPage.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/secondaryToolbarButton-lastPage@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/secondaryToolbarButton-rotateCcw.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/secondaryToolbarButton-rotateCcw@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/secondaryToolbarButton-rotateCw.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/secondaryToolbarButton-rotateCw@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/shadow.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/texture.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-bookmark.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-bookmark@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-download.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-download@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-menuArrows.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-menuArrows@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-openFile.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-openFile@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-pageDown-rtl.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-pageDown-rtl@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-pageDown.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-pageDown@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-pageUp-rtl.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-pageUp-rtl@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-pageUp.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-pageUp@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-presentationMode.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-presentationMode@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-print.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-print@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-search.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-search@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-secondaryToolbarToggle-rtl.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-secondaryToolbarToggle-rtl@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-secondaryToolbarToggle.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-secondaryToolbarToggle@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-sidebarToggle-rtl.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-sidebarToggle-rtl@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-sidebarToggle.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-sidebarToggle@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-viewAttachments.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-viewAttachments@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-viewOutline-rtl.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-viewOutline-rtl@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-viewOutline.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-viewOutline@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-viewThumbnail.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-viewThumbnail@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-zoomIn.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-zoomIn@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-zoomOut.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/toolbarButton-zoomOut@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/treeitem-collapsed-rtl.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/treeitem-collapsed-rtl@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/treeitem-collapsed.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/treeitem-collapsed@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/treeitem-expanded.png create mode 100644 public/plugins/pdfjs-1.4.20/web/images/treeitem-expanded@2x.png create mode 100644 public/plugins/pdfjs-1.4.20/web/viewer.css create mode 100644 public/plugins/pdfjs-1.4.20/web/viewer.html create mode 100644 public/plugins/pdfjs-1.4.20/web/viewer.js diff --git a/modules/base/tool.go b/modules/base/tool.go index a426ca99b..22a90daff 100644 --- a/modules/base/tool.go +++ b/modules/base/tool.go @@ -522,3 +522,11 @@ func IsImageFile(data []byte) (string, bool) { } return contentType, false } + +func IsPDFFile(data []byte) (string, bool) { + contentType := http.DetectContentType(data) + if strings.Index(contentType, "application/pdf") != -1 { + return contentType, true + } + return contentType, false +} diff --git a/public/plugins/pdfjs-1.4.20/LICENSE b/public/plugins/pdfjs-1.4.20/LICENSE new file mode 100644 index 000000000..f433b1a53 --- /dev/null +++ b/public/plugins/pdfjs-1.4.20/LICENSE @@ -0,0 +1,177 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. For the purposes of this definition, + "control" means (i) the power, direct or indirect, to cause the + direction or management of such entity, whether by contract or + otherwise, or (ii) ownership of fifty percent (50%) or more of the + outstanding shares, or (iii) beneficial ownership of such entity. + + "You" (or "Your") shall mean an individual or Legal Entity + exercising permissions granted by this License. + + "Source" form shall mean the preferred form for making modifications, + including but not limited to software source code, documentation + source, and configuration files. + + "Object" form shall mean any form resulting from mechanical + transformation or translation of a Source form, including but + not limited to compiled object code, generated documentation, + and conversions to other media types. + + "Work" shall mean the work of authorship, whether in Source or + Object form, made available under the License, as indicated by a + copyright notice that is included in or attached to the work + (an example is provided in the Appendix below). + + "Derivative Works" shall mean any work, whether in Source or Object + form, that is based on (or derived from) the Work and for which the + editorial revisions, annotations, elaborations, or other modifications + represent, as a whole, an original work of authorship. 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Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + copyright license to reproduce, prepare Derivative Works of, + publicly display, publicly perform, sublicense, and distribute the + Work and such Derivative Works in Source or Object form. + + 3. Grant of Patent License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + (except as stated in this section) patent license to make, have made, + use, offer to sell, sell, import, and otherwise transfer the Work, + where such license applies only to those patent claims licensable + by such Contributor that are necessarily infringed by their + Contribution(s) alone or by combination of their Contribution(s) + with the Work to which such Contribution(s) was submitted. 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In no event and under no legal theory, + whether in tort (including negligence), contract, or otherwise, + unless required by applicable law (such as deliberate and grossly + negligent acts) or agreed to in writing, shall any Contributor be + liable to You for damages, including any direct, indirect, special, + incidental, or consequential damages of any character arising as a + result of this License or out of the use or inability to use the + Work (including but not limited to damages for loss of goodwill, + work stoppage, computer failure or malfunction, or any and all + other commercial damages or losses), even if such Contributor + has been advised of the possibility of such damages. + + 9. Accepting Warranty or Additional Liability. While redistributing + the Work or Derivative Works thereof, You may choose to offer, + and charge a fee for, acceptance of support, warranty, indemnity, + or other liability obligations and/or rights consistent with this + License. However, in accepting such obligations, You may act only + on Your own behalf and on Your sole responsibility, not on behalf + of any other Contributor, and only if You agree to indemnify, + defend, and hold each Contributor harmless for any liability + incurred by, or claims asserted against, such Contributor by reason + of your accepting any such warranty or additional liability. + + END OF TERMS AND CONDITIONS diff --git a/public/plugins/pdfjs-1.4.20/build/pdf.js b/public/plugins/pdfjs-1.4.20/build/pdf.js new file mode 100644 index 000000000..c8877d510 --- /dev/null +++ b/public/plugins/pdfjs-1.4.20/build/pdf.js @@ -0,0 +1,10375 @@ +/* Copyright 2012 Mozilla Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +/* jshint globalstrict: false */ +/* umdutils ignore */ + +(function (root, factory) { + 'use strict'; + if (typeof define === 'function' && define.amd) { +define('pdfjs-dist/build/pdf', ['exports'], factory); + } else if (typeof exports !== 'undefined') { + factory(exports); + } else { +factory((root.pdfjsDistBuildPdf = {})); + } +}(this, function (exports) { + // Use strict in our context only - users might not want it + 'use strict'; + +var pdfjsVersion = '1.4.20'; +var pdfjsBuild = 'b15f335'; + + var pdfjsFilePath = + typeof document !== 'undefined' && document.currentScript ? + document.currentScript.src : null; + + var pdfjsLibs = {}; + + (function pdfjsWrapper() { + + + +(function (root, factory) { + { + factory((root.pdfjsSharedGlobal = {})); + } +}(this, function (exports) { + + var globalScope = (typeof window !== 'undefined') ? window : + (typeof global !== 'undefined') ? global : + (typeof self !== 'undefined') ? self : this; + + var isWorker = (typeof window === 'undefined'); + + // The global PDFJS object exposes the API + // In production, it will be declared outside a global wrapper + // In development, it will be declared here + if (!globalScope.PDFJS) { + globalScope.PDFJS = {}; + } + + if (typeof pdfjsVersion !== 'undefined') { + globalScope.PDFJS.version = pdfjsVersion; + } + if (typeof pdfjsVersion !== 'undefined') { + globalScope.PDFJS.build = pdfjsBuild; + } + + globalScope.PDFJS.pdfBug = false; + + exports.globalScope = globalScope; + exports.isWorker = isWorker; + exports.PDFJS = globalScope.PDFJS; +})); + + +(function (root, factory) { + { + factory((root.pdfjsDisplayDOMUtils = {}), root.pdfjsSharedGlobal); + } +}(this, function (exports, sharedGlobal) { + +var PDFJS = sharedGlobal.PDFJS; + +/** + * Optimised CSS custom property getter/setter. + * @class + */ +var CustomStyle = (function CustomStyleClosure() { + + // As noted on: http://www.zachstronaut.com/posts/2009/02/17/ + // animate-css-transforms-firefox-webkit.html + // in some versions of IE9 it is critical that ms appear in this list + // before Moz + var prefixes = ['ms', 'Moz', 'Webkit', 'O']; + var _cache = {}; + + function CustomStyle() {} + + CustomStyle.getProp = function get(propName, element) { + // check cache only when no element is given + if (arguments.length === 1 && typeof _cache[propName] === 'string') { + return _cache[propName]; + } + + element = element || document.documentElement; + var style = element.style, prefixed, uPropName; + + // test standard property first + if (typeof style[propName] === 'string') { + return (_cache[propName] = propName); + } + + // capitalize + uPropName = propName.charAt(0).toUpperCase() + propName.slice(1); + + // test vendor specific properties + for (var i = 0, l = prefixes.length; i < l; i++) { + prefixed = prefixes[i] + uPropName; + if (typeof style[prefixed] === 'string') { + return (_cache[propName] = prefixed); + } + } + + //if all fails then set to undefined + return (_cache[propName] = 'undefined'); + }; + + CustomStyle.setProp = function set(propName, element, str) { + var prop = this.getProp(propName); + if (prop !== 'undefined') { + element.style[prop] = str; + } + }; + + return CustomStyle; +})(); + +PDFJS.CustomStyle = CustomStyle; + +exports.CustomStyle = CustomStyle; +})); + + +(function (root, factory) { + { + factory((root.pdfjsSharedUtil = {}), root.pdfjsSharedGlobal); + } +}(this, function (exports, sharedGlobal) { + +var PDFJS = sharedGlobal.PDFJS; +var globalScope = sharedGlobal.globalScope; + +var FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0]; + +var TextRenderingMode = { + FILL: 0, + STROKE: 1, + FILL_STROKE: 2, + INVISIBLE: 3, + FILL_ADD_TO_PATH: 4, + STROKE_ADD_TO_PATH: 5, + FILL_STROKE_ADD_TO_PATH: 6, + ADD_TO_PATH: 7, + FILL_STROKE_MASK: 3, + ADD_TO_PATH_FLAG: 4 +}; + +var ImageKind = { + GRAYSCALE_1BPP: 1, + RGB_24BPP: 2, + RGBA_32BPP: 3 +}; + +var AnnotationType = { + TEXT: 1, + LINK: 2, + FREETEXT: 3, + LINE: 4, + SQUARE: 5, + CIRCLE: 6, + POLYGON: 7, + POLYLINE: 8, + HIGHLIGHT: 9, + UNDERLINE: 10, + SQUIGGLY: 11, + STRIKEOUT: 12, + STAMP: 13, + CARET: 14, + INK: 15, + POPUP: 16, + FILEATTACHMENT: 17, + SOUND: 18, + MOVIE: 19, + WIDGET: 20, + SCREEN: 21, + PRINTERMARK: 22, + TRAPNET: 23, + WATERMARK: 24, + THREED: 25, + REDACT: 26 +}; + +var AnnotationFlag = { + INVISIBLE: 0x01, + HIDDEN: 0x02, + PRINT: 0x04, + NOZOOM: 0x08, + NOROTATE: 0x10, + NOVIEW: 0x20, + READONLY: 0x40, + LOCKED: 0x80, + TOGGLENOVIEW: 0x100, + LOCKEDCONTENTS: 0x200 +}; + +var AnnotationBorderStyleType = { + SOLID: 1, + DASHED: 2, + BEVELED: 3, + INSET: 4, + UNDERLINE: 5 +}; + +var StreamType = { + UNKNOWN: 0, + FLATE: 1, + LZW: 2, + DCT: 3, + JPX: 4, + JBIG: 5, + A85: 6, + AHX: 7, + CCF: 8, + RL: 9 +}; + +var FontType = { + UNKNOWN: 0, + TYPE1: 1, + TYPE1C: 2, + CIDFONTTYPE0: 3, + CIDFONTTYPE0C: 4, + TRUETYPE: 5, + CIDFONTTYPE2: 6, + TYPE3: 7, + OPENTYPE: 8, + TYPE0: 9, + MMTYPE1: 10 +}; + +PDFJS.VERBOSITY_LEVELS = { + errors: 0, + warnings: 1, + infos: 5 +}; + +// All the possible operations for an operator list. +var OPS = PDFJS.OPS = { + // Intentionally start from 1 so it is easy to spot bad operators that will be + // 0's. + dependency: 1, + setLineWidth: 2, + setLineCap: 3, + setLineJoin: 4, + setMiterLimit: 5, + setDash: 6, + setRenderingIntent: 7, + setFlatness: 8, + setGState: 9, + save: 10, + restore: 11, + transform: 12, + moveTo: 13, + lineTo: 14, + curveTo: 15, + curveTo2: 16, + curveTo3: 17, + closePath: 18, + rectangle: 19, + stroke: 20, + closeStroke: 21, + fill: 22, + eoFill: 23, + fillStroke: 24, + eoFillStroke: 25, + closeFillStroke: 26, + closeEOFillStroke: 27, + endPath: 28, + clip: 29, + eoClip: 30, + beginText: 31, + endText: 32, + setCharSpacing: 33, + setWordSpacing: 34, + setHScale: 35, + setLeading: 36, + setFont: 37, + setTextRenderingMode: 38, + setTextRise: 39, + moveText: 40, + setLeadingMoveText: 41, + setTextMatrix: 42, + nextLine: 43, + showText: 44, + showSpacedText: 45, + nextLineShowText: 46, + nextLineSetSpacingShowText: 47, + setCharWidth: 48, + setCharWidthAndBounds: 49, + setStrokeColorSpace: 50, + setFillColorSpace: 51, + setStrokeColor: 52, + setStrokeColorN: 53, + setFillColor: 54, + setFillColorN: 55, + setStrokeGray: 56, + setFillGray: 57, + setStrokeRGBColor: 58, + setFillRGBColor: 59, + setStrokeCMYKColor: 60, + setFillCMYKColor: 61, + shadingFill: 62, + beginInlineImage: 63, + beginImageData: 64, + endInlineImage: 65, + paintXObject: 66, + markPoint: 67, + markPointProps: 68, + beginMarkedContent: 69, + beginMarkedContentProps: 70, + endMarkedContent: 71, + beginCompat: 72, + endCompat: 73, + paintFormXObjectBegin: 74, + paintFormXObjectEnd: 75, + beginGroup: 76, + endGroup: 77, + beginAnnotations: 78, + endAnnotations: 79, + beginAnnotation: 80, + endAnnotation: 81, + paintJpegXObject: 82, + paintImageMaskXObject: 83, + paintImageMaskXObjectGroup: 84, + paintImageXObject: 85, + paintInlineImageXObject: 86, + paintInlineImageXObjectGroup: 87, + paintImageXObjectRepeat: 88, + paintImageMaskXObjectRepeat: 89, + paintSolidColorImageMask: 90, + constructPath: 91 +}; + +// A notice for devs. These are good for things that are helpful to devs, such +// as warning that Workers were disabled, which is important to devs but not +// end users. +function info(msg) { + if (PDFJS.verbosity >= PDFJS.VERBOSITY_LEVELS.infos) { + console.log('Info: ' + msg); + } +} + +// Non-fatal warnings. +function warn(msg) { + if (PDFJS.verbosity >= PDFJS.VERBOSITY_LEVELS.warnings) { + console.log('Warning: ' + msg); + } +} + +// Deprecated API function -- treated as warnings. +function deprecated(details) { + warn('Deprecated API usage: ' + details); +} + +// Fatal errors that should trigger the fallback UI and halt execution by +// throwing an exception. +function error(msg) { + if (PDFJS.verbosity >= PDFJS.VERBOSITY_LEVELS.errors) { + console.log('Error: ' + msg); + console.log(backtrace()); + } + throw new Error(msg); +} + +function backtrace() { + try { + throw new Error(); + } catch (e) { + return e.stack ? e.stack.split('\n').slice(2).join('\n') : ''; + } +} + +function assert(cond, msg) { + if (!cond) { + error(msg); + } +} + +var UNSUPPORTED_FEATURES = PDFJS.UNSUPPORTED_FEATURES = { + unknown: 'unknown', + forms: 'forms', + javaScript: 'javaScript', + smask: 'smask', + shadingPattern: 'shadingPattern', + font: 'font' +}; + +// Combines two URLs. The baseUrl shall be absolute URL. If the url is an +// absolute URL, it will be returned as is. +function combineUrl(baseUrl, url) { + if (!url) { + return baseUrl; + } + return new URL(url, baseUrl).href; +} + +// Validates if URL is safe and allowed, e.g. to avoid XSS. +function isValidUrl(url, allowRelative) { + if (!url) { + return false; + } + // RFC 3986 (http://tools.ietf.org/html/rfc3986#section-3.1) + // scheme = ALPHA *( ALPHA / DIGIT / "+" / "-" / "." ) + var protocol = /^[a-z][a-z0-9+\-.]*(?=:)/i.exec(url); + if (!protocol) { + return allowRelative; + } + protocol = protocol[0].toLowerCase(); + switch (protocol) { + case 'http': + case 'https': + case 'ftp': + case 'mailto': + case 'tel': + return true; + default: + return false; + } +} +PDFJS.isValidUrl = isValidUrl; + +/** + * Adds various attributes (href, title, target, rel) to hyperlinks. + * @param {HTMLLinkElement} link - The link element. + * @param {Object} params - An object with the properties: + * @param {string} params.url - An absolute URL. + */ +function addLinkAttributes(link, params) { + var url = params && params.url; + link.href = link.title = (url ? removeNullCharacters(url) : ''); + + if (url) { + if (isExternalLinkTargetSet()) { + link.target = LinkTargetStringMap[PDFJS.externalLinkTarget]; + } + // Strip referrer from the URL. + link.rel = PDFJS.externalLinkRel; + } +} +PDFJS.addLinkAttributes = addLinkAttributes; + +function shadow(obj, prop, value) { + Object.defineProperty(obj, prop, { value: value, + enumerable: true, + configurable: true, + writable: false }); + return value; +} +PDFJS.shadow = shadow; + +var LinkTarget = PDFJS.LinkTarget = { + NONE: 0, // Default value. + SELF: 1, + BLANK: 2, + PARENT: 3, + TOP: 4, +}; +var LinkTargetStringMap = [ + '', + '_self', + '_blank', + '_parent', + '_top' +]; + +function isExternalLinkTargetSet() { + if (PDFJS.openExternalLinksInNewWindow) { + deprecated('PDFJS.openExternalLinksInNewWindow, please use ' + + '"PDFJS.externalLinkTarget = PDFJS.LinkTarget.BLANK" instead.'); + if (PDFJS.externalLinkTarget === LinkTarget.NONE) { + PDFJS.externalLinkTarget = LinkTarget.BLANK; + } + // Reset the deprecated parameter, to suppress further warnings. + PDFJS.openExternalLinksInNewWindow = false; + } + switch (PDFJS.externalLinkTarget) { + case LinkTarget.NONE: + return false; + case LinkTarget.SELF: + case LinkTarget.BLANK: + case LinkTarget.PARENT: + case LinkTarget.TOP: + return true; + } + warn('PDFJS.externalLinkTarget is invalid: ' + PDFJS.externalLinkTarget); + // Reset the external link target, to suppress further warnings. + PDFJS.externalLinkTarget = LinkTarget.NONE; + return false; +} +PDFJS.isExternalLinkTargetSet = isExternalLinkTargetSet; + +var PasswordResponses = PDFJS.PasswordResponses = { + NEED_PASSWORD: 1, + INCORRECT_PASSWORD: 2 +}; + +var PasswordException = (function PasswordExceptionClosure() { + function PasswordException(msg, code) { + this.name = 'PasswordException'; + this.message = msg; + this.code = code; + } + + PasswordException.prototype = new Error(); + PasswordException.constructor = PasswordException; + + return PasswordException; +})(); +PDFJS.PasswordException = PasswordException; + +var UnknownErrorException = (function UnknownErrorExceptionClosure() { + function UnknownErrorException(msg, details) { + this.name = 'UnknownErrorException'; + this.message = msg; + this.details = details; + } + + UnknownErrorException.prototype = new Error(); + UnknownErrorException.constructor = UnknownErrorException; + + return UnknownErrorException; +})(); +PDFJS.UnknownErrorException = UnknownErrorException; + +var InvalidPDFException = (function InvalidPDFExceptionClosure() { + function InvalidPDFException(msg) { + this.name = 'InvalidPDFException'; + this.message = msg; + } + + InvalidPDFException.prototype = new Error(); + InvalidPDFException.constructor = InvalidPDFException; + + return InvalidPDFException; +})(); +PDFJS.InvalidPDFException = InvalidPDFException; + +var MissingPDFException = (function MissingPDFExceptionClosure() { + function MissingPDFException(msg) { + this.name = 'MissingPDFException'; + this.message = msg; + } + + MissingPDFException.prototype = new Error(); + MissingPDFException.constructor = MissingPDFException; + + return MissingPDFException; +})(); +PDFJS.MissingPDFException = MissingPDFException; + +var UnexpectedResponseException = + (function UnexpectedResponseExceptionClosure() { + function UnexpectedResponseException(msg, status) { + this.name = 'UnexpectedResponseException'; + this.message = msg; + this.status = status; + } + + UnexpectedResponseException.prototype = new Error(); + UnexpectedResponseException.constructor = UnexpectedResponseException; + + return UnexpectedResponseException; +})(); +PDFJS.UnexpectedResponseException = UnexpectedResponseException; + +var NotImplementedException = (function NotImplementedExceptionClosure() { + function NotImplementedException(msg) { + this.message = msg; + } + + NotImplementedException.prototype = new Error(); + NotImplementedException.prototype.name = 'NotImplementedException'; + NotImplementedException.constructor = NotImplementedException; + + return NotImplementedException; +})(); + +var MissingDataException = (function MissingDataExceptionClosure() { + function MissingDataException(begin, end) { + this.begin = begin; + this.end = end; + this.message = 'Missing data [' + begin + ', ' + end + ')'; + } + + MissingDataException.prototype = new Error(); + MissingDataException.prototype.name = 'MissingDataException'; + MissingDataException.constructor = MissingDataException; + + return MissingDataException; +})(); + +var XRefParseException = (function XRefParseExceptionClosure() { + function XRefParseException(msg) { + this.message = msg; + } + + XRefParseException.prototype = new Error(); + XRefParseException.prototype.name = 'XRefParseException'; + XRefParseException.constructor = XRefParseException; + + return XRefParseException; +})(); + +var NullCharactersRegExp = /\x00/g; + +function removeNullCharacters(str) { + if (typeof str !== 'string') { + warn('The argument for removeNullCharacters must be a string.'); + return str; + } + return str.replace(NullCharactersRegExp, ''); +} +PDFJS.removeNullCharacters = removeNullCharacters; + +function bytesToString(bytes) { + assert(bytes !== null && typeof bytes === 'object' && + bytes.length !== undefined, 'Invalid argument for bytesToString'); + var length = bytes.length; + var MAX_ARGUMENT_COUNT = 8192; + if (length < MAX_ARGUMENT_COUNT) { + return String.fromCharCode.apply(null, bytes); + } + var strBuf = []; + for (var i = 0; i < length; i += MAX_ARGUMENT_COUNT) { + var chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length); + var chunk = bytes.subarray(i, chunkEnd); + strBuf.push(String.fromCharCode.apply(null, chunk)); + } + return strBuf.join(''); +} + +function stringToBytes(str) { + assert(typeof str === 'string', 'Invalid argument for stringToBytes'); + var length = str.length; + var bytes = new Uint8Array(length); + for (var i = 0; i < length; ++i) { + bytes[i] = str.charCodeAt(i) & 0xFF; + } + return bytes; +} + +function string32(value) { + return String.fromCharCode((value >> 24) & 0xff, (value >> 16) & 0xff, + (value >> 8) & 0xff, value & 0xff); +} + +function log2(x) { + var n = 1, i = 0; + while (x > n) { + n <<= 1; + i++; + } + return i; +} + +function readInt8(data, start) { + return (data[start] << 24) >> 24; +} + +function readUint16(data, offset) { + return (data[offset] << 8) | data[offset + 1]; +} + +function readUint32(data, offset) { + return ((data[offset] << 24) | (data[offset + 1] << 16) | + (data[offset + 2] << 8) | data[offset + 3]) >>> 0; +} + +// Lazy test the endianness of the platform +// NOTE: This will be 'true' for simulated TypedArrays +function isLittleEndian() { + var buffer8 = new Uint8Array(2); + buffer8[0] = 1; + var buffer16 = new Uint16Array(buffer8.buffer); + return (buffer16[0] === 1); +} + +Object.defineProperty(PDFJS, 'isLittleEndian', { + configurable: true, + get: function PDFJS_isLittleEndian() { + return shadow(PDFJS, 'isLittleEndian', isLittleEndian()); + } +}); + + // Lazy test if the userAgent support CanvasTypedArrays +function hasCanvasTypedArrays() { + var canvas = document.createElement('canvas'); + canvas.width = canvas.height = 1; + var ctx = canvas.getContext('2d'); + var imageData = ctx.createImageData(1, 1); + return (typeof imageData.data.buffer !== 'undefined'); +} + +Object.defineProperty(PDFJS, 'hasCanvasTypedArrays', { + configurable: true, + get: function PDFJS_hasCanvasTypedArrays() { + return shadow(PDFJS, 'hasCanvasTypedArrays', hasCanvasTypedArrays()); + } +}); + +var Uint32ArrayView = (function Uint32ArrayViewClosure() { + + function Uint32ArrayView(buffer, length) { + this.buffer = buffer; + this.byteLength = buffer.length; + this.length = length === undefined ? (this.byteLength >> 2) : length; + ensureUint32ArrayViewProps(this.length); + } + Uint32ArrayView.prototype = Object.create(null); + + var uint32ArrayViewSetters = 0; + function createUint32ArrayProp(index) { + return { + get: function () { + var buffer = this.buffer, offset = index << 2; + return (buffer[offset] | (buffer[offset + 1] << 8) | + (buffer[offset + 2] << 16) | (buffer[offset + 3] << 24)) >>> 0; + }, + set: function (value) { + var buffer = this.buffer, offset = index << 2; + buffer[offset] = value & 255; + buffer[offset + 1] = (value >> 8) & 255; + buffer[offset + 2] = (value >> 16) & 255; + buffer[offset + 3] = (value >>> 24) & 255; + } + }; + } + + function ensureUint32ArrayViewProps(length) { + while (uint32ArrayViewSetters < length) { + Object.defineProperty(Uint32ArrayView.prototype, + uint32ArrayViewSetters, + createUint32ArrayProp(uint32ArrayViewSetters)); + uint32ArrayViewSetters++; + } + } + + return Uint32ArrayView; +})(); + +exports.Uint32ArrayView = Uint32ArrayView; + +var IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0]; + +var Util = PDFJS.Util = (function UtilClosure() { + function Util() {} + + var rgbBuf = ['rgb(', 0, ',', 0, ',', 0, ')']; + + // makeCssRgb() can be called thousands of times. Using |rgbBuf| avoids + // creating many intermediate strings. + Util.makeCssRgb = function Util_makeCssRgb(r, g, b) { + rgbBuf[1] = r; + rgbBuf[3] = g; + rgbBuf[5] = b; + return rgbBuf.join(''); + }; + + // Concatenates two transformation matrices together and returns the result. + Util.transform = function Util_transform(m1, m2) { + return [ + m1[0] * m2[0] + m1[2] * m2[1], + m1[1] * m2[0] + m1[3] * m2[1], + m1[0] * m2[2] + m1[2] * m2[3], + m1[1] * m2[2] + m1[3] * m2[3], + m1[0] * m2[4] + m1[2] * m2[5] + m1[4], + m1[1] * m2[4] + m1[3] * m2[5] + m1[5] + ]; + }; + + // For 2d affine transforms + Util.applyTransform = function Util_applyTransform(p, m) { + var xt = p[0] * m[0] + p[1] * m[2] + m[4]; + var yt = p[0] * m[1] + p[1] * m[3] + m[5]; + return [xt, yt]; + }; + + Util.applyInverseTransform = function Util_applyInverseTransform(p, m) { + var d = m[0] * m[3] - m[1] * m[2]; + var xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d; + var yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d; + return [xt, yt]; + }; + + // Applies the transform to the rectangle and finds the minimum axially + // aligned bounding box. + Util.getAxialAlignedBoundingBox = + function Util_getAxialAlignedBoundingBox(r, m) { + + var p1 = Util.applyTransform(r, m); + var p2 = Util.applyTransform(r.slice(2, 4), m); + var p3 = Util.applyTransform([r[0], r[3]], m); + var p4 = Util.applyTransform([r[2], r[1]], m); + return [ + Math.min(p1[0], p2[0], p3[0], p4[0]), + Math.min(p1[1], p2[1], p3[1], p4[1]), + Math.max(p1[0], p2[0], p3[0], p4[0]), + Math.max(p1[1], p2[1], p3[1], p4[1]) + ]; + }; + + Util.inverseTransform = function Util_inverseTransform(m) { + var d = m[0] * m[3] - m[1] * m[2]; + return [m[3] / d, -m[1] / d, -m[2] / d, m[0] / d, + (m[2] * m[5] - m[4] * m[3]) / d, (m[4] * m[1] - m[5] * m[0]) / d]; + }; + + // Apply a generic 3d matrix M on a 3-vector v: + // | a b c | | X | + // | d e f | x | Y | + // | g h i | | Z | + // M is assumed to be serialized as [a,b,c,d,e,f,g,h,i], + // with v as [X,Y,Z] + Util.apply3dTransform = function Util_apply3dTransform(m, v) { + return [ + m[0] * v[0] + m[1] * v[1] + m[2] * v[2], + m[3] * v[0] + m[4] * v[1] + m[5] * v[2], + m[6] * v[0] + m[7] * v[1] + m[8] * v[2] + ]; + }; + + // This calculation uses Singular Value Decomposition. + // The SVD can be represented with formula A = USV. We are interested in the + // matrix S here because it represents the scale values. + Util.singularValueDecompose2dScale = + function Util_singularValueDecompose2dScale(m) { + + var transpose = [m[0], m[2], m[1], m[3]]; + + // Multiply matrix m with its transpose. + var a = m[0] * transpose[0] + m[1] * transpose[2]; + var b = m[0] * transpose[1] + m[1] * transpose[3]; + var c = m[2] * transpose[0] + m[3] * transpose[2]; + var d = m[2] * transpose[1] + m[3] * transpose[3]; + + // Solve the second degree polynomial to get roots. + var first = (a + d) / 2; + var second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2; + var sx = first + second || 1; + var sy = first - second || 1; + + // Scale values are the square roots of the eigenvalues. + return [Math.sqrt(sx), Math.sqrt(sy)]; + }; + + // Normalize rectangle rect=[x1, y1, x2, y2] so that (x1,y1) < (x2,y2) + // For coordinate systems whose origin lies in the bottom-left, this + // means normalization to (BL,TR) ordering. For systems with origin in the + // top-left, this means (TL,BR) ordering. + Util.normalizeRect = function Util_normalizeRect(rect) { + var r = rect.slice(0); // clone rect + if (rect[0] > rect[2]) { + r[0] = rect[2]; + r[2] = rect[0]; + } + if (rect[1] > rect[3]) { + r[1] = rect[3]; + r[3] = rect[1]; + } + return r; + }; + + // Returns a rectangle [x1, y1, x2, y2] corresponding to the + // intersection of rect1 and rect2. If no intersection, returns 'false' + // The rectangle coordinates of rect1, rect2 should be [x1, y1, x2, y2] + Util.intersect = function Util_intersect(rect1, rect2) { + function compare(a, b) { + return a - b; + } + + // Order points along the axes + var orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare), + orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare), + result = []; + + rect1 = Util.normalizeRect(rect1); + rect2 = Util.normalizeRect(rect2); + + // X: first and second points belong to different rectangles? + if ((orderedX[0] === rect1[0] && orderedX[1] === rect2[0]) || + (orderedX[0] === rect2[0] && orderedX[1] === rect1[0])) { + // Intersection must be between second and third points + result[0] = orderedX[1]; + result[2] = orderedX[2]; + } else { + return false; + } + + // Y: first and second points belong to different rectangles? + if ((orderedY[0] === rect1[1] && orderedY[1] === rect2[1]) || + (orderedY[0] === rect2[1] && orderedY[1] === rect1[1])) { + // Intersection must be between second and third points + result[1] = orderedY[1]; + result[3] = orderedY[2]; + } else { + return false; + } + + return result; + }; + + Util.sign = function Util_sign(num) { + return num < 0 ? -1 : 1; + }; + + var ROMAN_NUMBER_MAP = [ + '', 'C', 'CC', 'CCC', 'CD', 'D', 'DC', 'DCC', 'DCCC', 'CM', + '', 'X', 'XX', 'XXX', 'XL', 'L', 'LX', 'LXX', 'LXXX', 'XC', + '', 'I', 'II', 'III', 'IV', 'V', 'VI', 'VII', 'VIII', 'IX' + ]; + /** + * Converts positive integers to (upper case) Roman numerals. + * @param {integer} number - The number that should be converted. + * @param {boolean} lowerCase - Indicates if the result should be converted + * to lower case letters. The default is false. + * @return {string} The resulting Roman number. + */ + Util.toRoman = function Util_toRoman(number, lowerCase) { + assert(isInt(number) && number > 0, + 'The number should be a positive integer.'); + var pos, romanBuf = []; + // Thousands + while (number >= 1000) { + number -= 1000; + romanBuf.push('M'); + } + // Hundreds + pos = (number / 100) | 0; + number %= 100; + romanBuf.push(ROMAN_NUMBER_MAP[pos]); + // Tens + pos = (number / 10) | 0; + number %= 10; + romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]); + // Ones + romanBuf.push(ROMAN_NUMBER_MAP[20 + number]); + + var romanStr = romanBuf.join(''); + return (lowerCase ? romanStr.toLowerCase() : romanStr); + }; + + Util.appendToArray = function Util_appendToArray(arr1, arr2) { + Array.prototype.push.apply(arr1, arr2); + }; + + Util.prependToArray = function Util_prependToArray(arr1, arr2) { + Array.prototype.unshift.apply(arr1, arr2); + }; + + Util.extendObj = function extendObj(obj1, obj2) { + for (var key in obj2) { + obj1[key] = obj2[key]; + } + }; + + Util.getInheritableProperty = function Util_getInheritableProperty(dict, + name) { + while (dict && !dict.has(name)) { + dict = dict.get('Parent'); + } + if (!dict) { + return null; + } + return dict.get(name); + }; + + Util.inherit = function Util_inherit(sub, base, prototype) { + sub.prototype = Object.create(base.prototype); + sub.prototype.constructor = sub; + for (var prop in prototype) { + sub.prototype[prop] = prototype[prop]; + } + }; + + Util.loadScript = function Util_loadScript(src, callback) { + var script = document.createElement('script'); + var loaded = false; + script.setAttribute('src', src); + if (callback) { + script.onload = function() { + if (!loaded) { + callback(); + } + loaded = true; + }; + } + document.getElementsByTagName('head')[0].appendChild(script); + }; + + return Util; +})(); + +/** + * PDF page viewport created based on scale, rotation and offset. + * @class + * @alias PDFJS.PageViewport + */ +var PageViewport = PDFJS.PageViewport = (function PageViewportClosure() { + /** + * @constructor + * @private + * @param viewBox {Array} xMin, yMin, xMax and yMax coordinates. + * @param scale {number} scale of the viewport. + * @param rotation {number} rotations of the viewport in degrees. + * @param offsetX {number} offset X + * @param offsetY {number} offset Y + * @param dontFlip {boolean} if true, axis Y will not be flipped. + */ + function PageViewport(viewBox, scale, rotation, offsetX, offsetY, dontFlip) { + this.viewBox = viewBox; + this.scale = scale; + this.rotation = rotation; + this.offsetX = offsetX; + this.offsetY = offsetY; + + // creating transform to convert pdf coordinate system to the normal + // canvas like coordinates taking in account scale and rotation + var centerX = (viewBox[2] + viewBox[0]) / 2; + var centerY = (viewBox[3] + viewBox[1]) / 2; + var rotateA, rotateB, rotateC, rotateD; + rotation = rotation % 360; + rotation = rotation < 0 ? rotation + 360 : rotation; + switch (rotation) { + case 180: + rotateA = -1; rotateB = 0; rotateC = 0; rotateD = 1; + break; + case 90: + rotateA = 0; rotateB = 1; rotateC = 1; rotateD = 0; + break; + case 270: + rotateA = 0; rotateB = -1; rotateC = -1; rotateD = 0; + break; + //case 0: + default: + rotateA = 1; rotateB = 0; rotateC = 0; rotateD = -1; + break; + } + + if (dontFlip) { + rotateC = -rotateC; rotateD = -rotateD; + } + + var offsetCanvasX, offsetCanvasY; + var width, height; + if (rotateA === 0) { + offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX; + offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY; + width = Math.abs(viewBox[3] - viewBox[1]) * scale; + height = Math.abs(viewBox[2] - viewBox[0]) * scale; + } else { + offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX; + offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY; + width = Math.abs(viewBox[2] - viewBox[0]) * scale; + height = Math.abs(viewBox[3] - viewBox[1]) * scale; + } + // creating transform for the following operations: + // translate(-centerX, -centerY), rotate and flip vertically, + // scale, and translate(offsetCanvasX, offsetCanvasY) + this.transform = [ + rotateA * scale, + rotateB * scale, + rotateC * scale, + rotateD * scale, + offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY, + offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY + ]; + + this.width = width; + this.height = height; + this.fontScale = scale; + } + PageViewport.prototype = /** @lends PDFJS.PageViewport.prototype */ { + /** + * Clones viewport with additional properties. + * @param args {Object} (optional) If specified, may contain the 'scale' or + * 'rotation' properties to override the corresponding properties in + * the cloned viewport. + * @returns {PDFJS.PageViewport} Cloned viewport. + */ + clone: function PageViewPort_clone(args) { + args = args || {}; + var scale = 'scale' in args ? args.scale : this.scale; + var rotation = 'rotation' in args ? args.rotation : this.rotation; + return new PageViewport(this.viewBox.slice(), scale, rotation, + this.offsetX, this.offsetY, args.dontFlip); + }, + /** + * Converts PDF point to the viewport coordinates. For examples, useful for + * converting PDF location into canvas pixel coordinates. + * @param x {number} X coordinate. + * @param y {number} Y coordinate. + * @returns {Object} Object that contains 'x' and 'y' properties of the + * point in the viewport coordinate space. + * @see {@link convertToPdfPoint} + * @see {@link convertToViewportRectangle} + */ + convertToViewportPoint: function PageViewport_convertToViewportPoint(x, y) { + return Util.applyTransform([x, y], this.transform); + }, + /** + * Converts PDF rectangle to the viewport coordinates. + * @param rect {Array} xMin, yMin, xMax and yMax coordinates. + * @returns {Array} Contains corresponding coordinates of the rectangle + * in the viewport coordinate space. + * @see {@link convertToViewportPoint} + */ + convertToViewportRectangle: + function PageViewport_convertToViewportRectangle(rect) { + var tl = Util.applyTransform([rect[0], rect[1]], this.transform); + var br = Util.applyTransform([rect[2], rect[3]], this.transform); + return [tl[0], tl[1], br[0], br[1]]; + }, + /** + * Converts viewport coordinates to the PDF location. For examples, useful + * for converting canvas pixel location into PDF one. + * @param x {number} X coordinate. + * @param y {number} Y coordinate. + * @returns {Object} Object that contains 'x' and 'y' properties of the + * point in the PDF coordinate space. + * @see {@link convertToViewportPoint} + */ + convertToPdfPoint: function PageViewport_convertToPdfPoint(x, y) { + return Util.applyInverseTransform([x, y], this.transform); + } + }; + return PageViewport; +})(); + +var PDFStringTranslateTable = [ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0x2D8, 0x2C7, 0x2C6, 0x2D9, 0x2DD, 0x2DB, 0x2DA, 0x2DC, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014, + 0x2013, 0x192, 0x2044, 0x2039, 0x203A, 0x2212, 0x2030, 0x201E, 0x201C, + 0x201D, 0x2018, 0x2019, 0x201A, 0x2122, 0xFB01, 0xFB02, 0x141, 0x152, 0x160, + 0x178, 0x17D, 0x131, 0x142, 0x153, 0x161, 0x17E, 0, 0x20AC +]; + +function stringToPDFString(str) { + var i, n = str.length, strBuf = []; + if (str[0] === '\xFE' && str[1] === '\xFF') { + // UTF16BE BOM + for (i = 2; i < n; i += 2) { + strBuf.push(String.fromCharCode( + (str.charCodeAt(i) << 8) | str.charCodeAt(i + 1))); + } + } else { + for (i = 0; i < n; ++i) { + var code = PDFStringTranslateTable[str.charCodeAt(i)]; + strBuf.push(code ? String.fromCharCode(code) : str.charAt(i)); + } + } + return strBuf.join(''); +} + +function stringToUTF8String(str) { + return decodeURIComponent(escape(str)); +} + +function utf8StringToString(str) { + return unescape(encodeURIComponent(str)); +} + +function isEmptyObj(obj) { + for (var key in obj) { + return false; + } + return true; +} + +function isBool(v) { + return typeof v === 'boolean'; +} + +function isInt(v) { + return typeof v === 'number' && ((v | 0) === v); +} + +function isNum(v) { + return typeof v === 'number'; +} + +function isString(v) { + return typeof v === 'string'; +} + +function isArray(v) { + return v instanceof Array; +} + +function isArrayBuffer(v) { + return typeof v === 'object' && v !== null && v.byteLength !== undefined; +} + +/** + * Promise Capability object. + * + * @typedef {Object} PromiseCapability + * @property {Promise} promise - A promise object. + * @property {function} resolve - Fullfills the promise. + * @property {function} reject - Rejects the promise. + */ + +/** + * Creates a promise capability object. + * @alias PDFJS.createPromiseCapability + * + * @return {PromiseCapability} A capability object contains: + * - a Promise, resolve and reject methods. + */ +function createPromiseCapability() { + var capability = {}; + capability.promise = new Promise(function (resolve, reject) { + capability.resolve = resolve; + capability.reject = reject; + }); + return capability; +} + +PDFJS.createPromiseCapability = createPromiseCapability; + +/** + * Polyfill for Promises: + * The following promise implementation tries to generally implement the + * Promise/A+ spec. Some notable differences from other promise libaries are: + * - There currently isn't a seperate deferred and promise object. + * - Unhandled rejections eventually show an error if they aren't handled. + * + * Based off of the work in: + * https://bugzilla.mozilla.org/show_bug.cgi?id=810490 + */ +(function PromiseClosure() { + if (globalScope.Promise) { + // Promises existing in the DOM/Worker, checking presence of all/resolve + if (typeof globalScope.Promise.all !== 'function') { + globalScope.Promise.all = function (iterable) { + var count = 0, results = [], resolve, reject; + var promise = new globalScope.Promise(function (resolve_, reject_) { + resolve = resolve_; + reject = reject_; + }); + iterable.forEach(function (p, i) { + count++; + p.then(function (result) { + results[i] = result; + count--; + if (count === 0) { + resolve(results); + } + }, reject); + }); + if (count === 0) { + resolve(results); + } + return promise; + }; + } + if (typeof globalScope.Promise.resolve !== 'function') { + globalScope.Promise.resolve = function (value) { + return new globalScope.Promise(function (resolve) { resolve(value); }); + }; + } + if (typeof globalScope.Promise.reject !== 'function') { + globalScope.Promise.reject = function (reason) { + return new globalScope.Promise(function (resolve, reject) { + reject(reason); + }); + }; + } + if (typeof globalScope.Promise.prototype.catch !== 'function') { + globalScope.Promise.prototype.catch = function (onReject) { + return globalScope.Promise.prototype.then(undefined, onReject); + }; + } + return; + } + var STATUS_PENDING = 0; + var STATUS_RESOLVED = 1; + var STATUS_REJECTED = 2; + + // In an attempt to avoid silent exceptions, unhandled rejections are + // tracked and if they aren't handled in a certain amount of time an + // error is logged. + var REJECTION_TIMEOUT = 500; + + var HandlerManager = { + handlers: [], + running: false, + unhandledRejections: [], + pendingRejectionCheck: false, + + scheduleHandlers: function scheduleHandlers(promise) { + if (promise._status === STATUS_PENDING) { + return; + } + + this.handlers = this.handlers.concat(promise._handlers); + promise._handlers = []; + + if (this.running) { + return; + } + this.running = true; + + setTimeout(this.runHandlers.bind(this), 0); + }, + + runHandlers: function runHandlers() { + var RUN_TIMEOUT = 1; // ms + var timeoutAt = Date.now() + RUN_TIMEOUT; + while (this.handlers.length > 0) { + var handler = this.handlers.shift(); + + var nextStatus = handler.thisPromise._status; + var nextValue = handler.thisPromise._value; + + try { + if (nextStatus === STATUS_RESOLVED) { + if (typeof handler.onResolve === 'function') { + nextValue = handler.onResolve(nextValue); + } + } else if (typeof handler.onReject === 'function') { + nextValue = handler.onReject(nextValue); + nextStatus = STATUS_RESOLVED; + + if (handler.thisPromise._unhandledRejection) { + this.removeUnhandeledRejection(handler.thisPromise); + } + } + } catch (ex) { + nextStatus = STATUS_REJECTED; + nextValue = ex; + } + + handler.nextPromise._updateStatus(nextStatus, nextValue); + if (Date.now() >= timeoutAt) { + break; + } + } + + if (this.handlers.length > 0) { + setTimeout(this.runHandlers.bind(this), 0); + return; + } + + this.running = false; + }, + + addUnhandledRejection: function addUnhandledRejection(promise) { + this.unhandledRejections.push({ + promise: promise, + time: Date.now() + }); + this.scheduleRejectionCheck(); + }, + + removeUnhandeledRejection: function removeUnhandeledRejection(promise) { + promise._unhandledRejection = false; + for (var i = 0; i < this.unhandledRejections.length; i++) { + if (this.unhandledRejections[i].promise === promise) { + this.unhandledRejections.splice(i); + i--; + } + } + }, + + scheduleRejectionCheck: function scheduleRejectionCheck() { + if (this.pendingRejectionCheck) { + return; + } + this.pendingRejectionCheck = true; + setTimeout(function rejectionCheck() { + this.pendingRejectionCheck = false; + var now = Date.now(); + for (var i = 0; i < this.unhandledRejections.length; i++) { + if (now - this.unhandledRejections[i].time > REJECTION_TIMEOUT) { + var unhandled = this.unhandledRejections[i].promise._value; + var msg = 'Unhandled rejection: ' + unhandled; + if (unhandled.stack) { + msg += '\n' + unhandled.stack; + } + warn(msg); + this.unhandledRejections.splice(i); + i--; + } + } + if (this.unhandledRejections.length) { + this.scheduleRejectionCheck(); + } + }.bind(this), REJECTION_TIMEOUT); + } + }; + + function Promise(resolver) { + this._status = STATUS_PENDING; + this._handlers = []; + try { + resolver.call(this, this._resolve.bind(this), this._reject.bind(this)); + } catch (e) { + this._reject(e); + } + } + /** + * Builds a promise that is resolved when all the passed in promises are + * resolved. + * @param {array} array of data and/or promises to wait for. + * @return {Promise} New dependant promise. + */ + Promise.all = function Promise_all(promises) { + var resolveAll, rejectAll; + var deferred = new Promise(function (resolve, reject) { + resolveAll = resolve; + rejectAll = reject; + }); + var unresolved = promises.length; + var results = []; + if (unresolved === 0) { + resolveAll(results); + return deferred; + } + function reject(reason) { + if (deferred._status === STATUS_REJECTED) { + return; + } + results = []; + rejectAll(reason); + } + for (var i = 0, ii = promises.length; i < ii; ++i) { + var promise = promises[i]; + var resolve = (function(i) { + return function(value) { + if (deferred._status === STATUS_REJECTED) { + return; + } + results[i] = value; + unresolved--; + if (unresolved === 0) { + resolveAll(results); + } + }; + })(i); + if (Promise.isPromise(promise)) { + promise.then(resolve, reject); + } else { + resolve(promise); + } + } + return deferred; + }; + + /** + * Checks if the value is likely a promise (has a 'then' function). + * @return {boolean} true if value is thenable + */ + Promise.isPromise = function Promise_isPromise(value) { + return value && typeof value.then === 'function'; + }; + + /** + * Creates resolved promise + * @param value resolve value + * @returns {Promise} + */ + Promise.resolve = function Promise_resolve(value) { + return new Promise(function (resolve) { resolve(value); }); + }; + + /** + * Creates rejected promise + * @param reason rejection value + * @returns {Promise} + */ + Promise.reject = function Promise_reject(reason) { + return new Promise(function (resolve, reject) { reject(reason); }); + }; + + Promise.prototype = { + _status: null, + _value: null, + _handlers: null, + _unhandledRejection: null, + + _updateStatus: function Promise__updateStatus(status, value) { + if (this._status === STATUS_RESOLVED || + this._status === STATUS_REJECTED) { + return; + } + + if (status === STATUS_RESOLVED && + Promise.isPromise(value)) { + value.then(this._updateStatus.bind(this, STATUS_RESOLVED), + this._updateStatus.bind(this, STATUS_REJECTED)); + return; + } + + this._status = status; + this._value = value; + + if (status === STATUS_REJECTED && this._handlers.length === 0) { + this._unhandledRejection = true; + HandlerManager.addUnhandledRejection(this); + } + + HandlerManager.scheduleHandlers(this); + }, + + _resolve: function Promise_resolve(value) { + this._updateStatus(STATUS_RESOLVED, value); + }, + + _reject: function Promise_reject(reason) { + this._updateStatus(STATUS_REJECTED, reason); + }, + + then: function Promise_then(onResolve, onReject) { + var nextPromise = new Promise(function (resolve, reject) { + this.resolve = resolve; + this.reject = reject; + }); + this._handlers.push({ + thisPromise: this, + onResolve: onResolve, + onReject: onReject, + nextPromise: nextPromise + }); + HandlerManager.scheduleHandlers(this); + return nextPromise; + }, + + catch: function Promise_catch(onReject) { + return this.then(undefined, onReject); + } + }; + + globalScope.Promise = Promise; +})(); + +var StatTimer = (function StatTimerClosure() { + function rpad(str, pad, length) { + while (str.length < length) { + str += pad; + } + return str; + } + function StatTimer() { + this.started = {}; + this.times = []; + this.enabled = true; + } + StatTimer.prototype = { + time: function StatTimer_time(name) { + if (!this.enabled) { + return; + } + if (name in this.started) { + warn('Timer is already running for ' + name); + } + this.started[name] = Date.now(); + }, + timeEnd: function StatTimer_timeEnd(name) { + if (!this.enabled) { + return; + } + if (!(name in this.started)) { + warn('Timer has not been started for ' + name); + } + this.times.push({ + 'name': name, + 'start': this.started[name], + 'end': Date.now() + }); + // Remove timer from started so it can be called again. + delete this.started[name]; + }, + toString: function StatTimer_toString() { + var i, ii; + var times = this.times; + var out = ''; + // Find the longest name for padding purposes. + var longest = 0; + for (i = 0, ii = times.length; i < ii; ++i) { + var name = times[i]['name']; + if (name.length > longest) { + longest = name.length; + } + } + for (i = 0, ii = times.length; i < ii; ++i) { + var span = times[i]; + var duration = span.end - span.start; + out += rpad(span['name'], ' ', longest) + ' ' + duration + 'ms\n'; + } + return out; + } + }; + return StatTimer; +})(); + +PDFJS.createBlob = function createBlob(data, contentType) { + if (typeof Blob !== 'undefined') { + return new Blob([data], { type: contentType }); + } + // Blob builder is deprecated in FF14 and removed in FF18. + var bb = new MozBlobBuilder(); + bb.append(data); + return bb.getBlob(contentType); +}; + +PDFJS.createObjectURL = (function createObjectURLClosure() { + // Blob/createObjectURL is not available, falling back to data schema. + var digits = + 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='; + + return function createObjectURL(data, contentType) { + if (!PDFJS.disableCreateObjectURL && + typeof URL !== 'undefined' && URL.createObjectURL) { + var blob = PDFJS.createBlob(data, contentType); + return URL.createObjectURL(blob); + } + + var buffer = 'data:' + contentType + ';base64,'; + for (var i = 0, ii = data.length; i < ii; i += 3) { + var b1 = data[i] & 0xFF; + var b2 = data[i + 1] & 0xFF; + var b3 = data[i + 2] & 0xFF; + var d1 = b1 >> 2, d2 = ((b1 & 3) << 4) | (b2 >> 4); + var d3 = i + 1 < ii ? ((b2 & 0xF) << 2) | (b3 >> 6) : 64; + var d4 = i + 2 < ii ? (b3 & 0x3F) : 64; + buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4]; + } + return buffer; + }; +})(); + +function MessageHandler(sourceName, targetName, comObj) { + this.sourceName = sourceName; + this.targetName = targetName; + this.comObj = comObj; + this.callbackIndex = 1; + this.postMessageTransfers = true; + var callbacksCapabilities = this.callbacksCapabilities = {}; + var ah = this.actionHandler = {}; + + this._onComObjOnMessage = function messageHandlerComObjOnMessage(event) { + var data = event.data; + if (data.targetName !== this.sourceName) { + return; + } + if (data.isReply) { + var callbackId = data.callbackId; + if (data.callbackId in callbacksCapabilities) { + var callback = callbacksCapabilities[callbackId]; + delete callbacksCapabilities[callbackId]; + if ('error' in data) { + callback.reject(data.error); + } else { + callback.resolve(data.data); + } + } else { + error('Cannot resolve callback ' + callbackId); + } + } else if (data.action in ah) { + var action = ah[data.action]; + if (data.callbackId) { + var sourceName = this.sourceName; + var targetName = data.sourceName; + Promise.resolve().then(function () { + return action[0].call(action[1], data.data); + }).then(function (result) { + comObj.postMessage({ + sourceName: sourceName, + targetName: targetName, + isReply: true, + callbackId: data.callbackId, + data: result + }); + }, function (reason) { + if (reason instanceof Error) { + // Serialize error to avoid "DataCloneError" + reason = reason + ''; + } + comObj.postMessage({ + sourceName: sourceName, + targetName: targetName, + isReply: true, + callbackId: data.callbackId, + error: reason + }); + }); + } else { + action[0].call(action[1], data.data); + } + } else { + error('Unknown action from worker: ' + data.action); + } + }.bind(this); + comObj.addEventListener('message', this._onComObjOnMessage); +} + +MessageHandler.prototype = { + on: function messageHandlerOn(actionName, handler, scope) { + var ah = this.actionHandler; + if (ah[actionName]) { + error('There is already an actionName called "' + actionName + '"'); + } + ah[actionName] = [handler, scope]; + }, + /** + * Sends a message to the comObj to invoke the action with the supplied data. + * @param {String} actionName Action to call. + * @param {JSON} data JSON data to send. + * @param {Array} [transfers] Optional list of transfers/ArrayBuffers + */ + send: function messageHandlerSend(actionName, data, transfers) { + var message = { + sourceName: this.sourceName, + targetName: this.targetName, + action: actionName, + data: data + }; + this.postMessage(message, transfers); + }, + /** + * Sends a message to the comObj to invoke the action with the supplied data. + * Expects that other side will callback with the response. + * @param {String} actionName Action to call. + * @param {JSON} data JSON data to send. + * @param {Array} [transfers] Optional list of transfers/ArrayBuffers. + * @returns {Promise} Promise to be resolved with response data. + */ + sendWithPromise: + function messageHandlerSendWithPromise(actionName, data, transfers) { + var callbackId = this.callbackIndex++; + var message = { + sourceName: this.sourceName, + targetName: this.targetName, + action: actionName, + data: data, + callbackId: callbackId + }; + var capability = createPromiseCapability(); + this.callbacksCapabilities[callbackId] = capability; + try { + this.postMessage(message, transfers); + } catch (e) { + capability.reject(e); + } + return capability.promise; + }, + /** + * Sends raw message to the comObj. + * @private + * @param message {Object} Raw message. + * @param transfers List of transfers/ArrayBuffers, or undefined. + */ + postMessage: function (message, transfers) { + if (transfers && this.postMessageTransfers) { + this.comObj.postMessage(message, transfers); + } else { + this.comObj.postMessage(message); + } + }, + + destroy: function () { + this.comObj.removeEventListener('message', this._onComObjOnMessage); + } +}; + +function loadJpegStream(id, imageUrl, objs) { + var img = new Image(); + img.onload = (function loadJpegStream_onloadClosure() { + objs.resolve(id, img); + }); + img.onerror = (function loadJpegStream_onerrorClosure() { + objs.resolve(id, null); + warn('Error during JPEG image loading'); + }); + img.src = imageUrl; +} + + // Polyfill from https://github.com/Polymer/URL +/* Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/publicdomain/zero/1.0/ */ +(function checkURLConstructor(scope) { + /* jshint ignore:start */ + + // feature detect for URL constructor + var hasWorkingUrl = false; + try { + if (typeof URL === 'function' && + typeof URL.prototype === 'object' && + ('origin' in URL.prototype)) { + var u = new URL('b', 'http://a'); + u.pathname = 'c%20d'; + hasWorkingUrl = u.href === 'http://a/c%20d'; + } + } catch(e) { } + + if (hasWorkingUrl) + return; + + var relative = Object.create(null); + relative['ftp'] = 21; + relative['file'] = 0; + relative['gopher'] = 70; + relative['http'] = 80; + relative['https'] = 443; + relative['ws'] = 80; + relative['wss'] = 443; + + var relativePathDotMapping = Object.create(null); + relativePathDotMapping['%2e'] = '.'; + relativePathDotMapping['.%2e'] = '..'; + relativePathDotMapping['%2e.'] = '..'; + relativePathDotMapping['%2e%2e'] = '..'; + + function isRelativeScheme(scheme) { + return relative[scheme] !== undefined; + } + + function invalid() { + clear.call(this); + this._isInvalid = true; + } + + function IDNAToASCII(h) { + if ('' == h) { + invalid.call(this) + } + // XXX + return h.toLowerCase() + } + + function percentEscape(c) { + var unicode = c.charCodeAt(0); + if (unicode > 0x20 && + unicode < 0x7F && + // " # < > ? ` + [0x22, 0x23, 0x3C, 0x3E, 0x3F, 0x60].indexOf(unicode) == -1 + ) { + return c; + } + return encodeURIComponent(c); + } + + function percentEscapeQuery(c) { + // XXX This actually needs to encode c using encoding and then + // convert the bytes one-by-one. + + var unicode = c.charCodeAt(0); + if (unicode > 0x20 && + unicode < 0x7F && + // " # < > ` (do not escape '?') + [0x22, 0x23, 0x3C, 0x3E, 0x60].indexOf(unicode) == -1 + ) { + return c; + } + return encodeURIComponent(c); + } + + var EOF = undefined, + ALPHA = /[a-zA-Z]/, + ALPHANUMERIC = /[a-zA-Z0-9\+\-\.]/; + + function parse(input, stateOverride, base) { + function err(message) { + errors.push(message) + } + + var state = stateOverride || 'scheme start', + cursor = 0, + buffer = '', + seenAt = false, + seenBracket = false, + errors = []; + + loop: while ((input[cursor - 1] != EOF || cursor == 0) && !this._isInvalid) { + var c = input[cursor]; + switch (state) { + case 'scheme start': + if (c && ALPHA.test(c)) { + buffer += c.toLowerCase(); // ASCII-safe + state = 'scheme'; + } else if (!stateOverride) { + buffer = ''; + state = 'no scheme'; + continue; + } else { + err('Invalid scheme.'); + break loop; + } + break; + + case 'scheme': + if (c && ALPHANUMERIC.test(c)) { + buffer += c.toLowerCase(); // ASCII-safe + } else if (':' == c) { + this._scheme = buffer; + buffer = ''; + if (stateOverride) { + break loop; + } + if (isRelativeScheme(this._scheme)) { + this._isRelative = true; + } + if ('file' == this._scheme) { + state = 'relative'; + } else if (this._isRelative && base && base._scheme == this._scheme) { + state = 'relative or authority'; + } else if (this._isRelative) { + state = 'authority first slash'; + } else { + state = 'scheme data'; + } + } else if (!stateOverride) { + buffer = ''; + cursor = 0; + state = 'no scheme'; + continue; + } else if (EOF == c) { + break loop; + } else { + err('Code point not allowed in scheme: ' + c) + break loop; + } + break; + + case 'scheme data': + if ('?' == c) { + this._query = '?'; + state = 'query'; + } else if ('#' == c) { + this._fragment = '#'; + state = 'fragment'; + } else { + // XXX error handling + if (EOF != c && '\t' != c && '\n' != c && '\r' != c) { + this._schemeData += percentEscape(c); + } + } + break; + + case 'no scheme': + if (!base || !(isRelativeScheme(base._scheme))) { + err('Missing scheme.'); + invalid.call(this); + } else { + state = 'relative'; + continue; + } + break; + + case 'relative or authority': + if ('/' == c && '/' == input[cursor+1]) { + state = 'authority ignore slashes'; + } else { + err('Expected /, got: ' + c); + state = 'relative'; + continue + } + break; + + case 'relative': + this._isRelative = true; + if ('file' != this._scheme) + this._scheme = base._scheme; + if (EOF == c) { + this._host = base._host; + this._port = base._port; + this._path = base._path.slice(); + this._query = base._query; + this._username = base._username; + this._password = base._password; + break loop; + } else if ('/' == c || '\\' == c) { + if ('\\' == c) + err('\\ is an invalid code point.'); + state = 'relative slash'; + } else if ('?' == c) { + this._host = base._host; + this._port = base._port; + this._path = base._path.slice(); + this._query = '?'; + this._username = base._username; + this._password = base._password; + state = 'query'; + } else if ('#' == c) { + this._host = base._host; + this._port = base._port; + this._path = base._path.slice(); + this._query = base._query; + this._fragment = '#'; + this._username = base._username; + this._password = base._password; + state = 'fragment'; + } else { + var nextC = input[cursor+1] + var nextNextC = input[cursor+2] + if ( + 'file' != this._scheme || !ALPHA.test(c) || + (nextC != ':' && nextC != '|') || + (EOF != nextNextC && '/' != nextNextC && '\\' != nextNextC && '?' != nextNextC && '#' != nextNextC)) { + this._host = base._host; + this._port = base._port; + this._username = base._username; + this._password = base._password; + this._path = base._path.slice(); + this._path.pop(); + } + state = 'relative path'; + continue; + } + break; + + case 'relative slash': + if ('/' == c || '\\' == c) { + if ('\\' == c) { + err('\\ is an invalid code point.'); + } + if ('file' == this._scheme) { + state = 'file host'; + } else { + state = 'authority ignore slashes'; + } + } else { + if ('file' != this._scheme) { + this._host = base._host; + this._port = base._port; + this._username = base._username; + this._password = base._password; + } + state = 'relative path'; + continue; + } + break; + + case 'authority first slash': + if ('/' == c) { + state = 'authority second slash'; + } else { + err("Expected '/', got: " + c); + state = 'authority ignore slashes'; + continue; + } + break; + + case 'authority second slash': + state = 'authority ignore slashes'; + if ('/' != c) { + err("Expected '/', got: " + c); + continue; + } + break; + + case 'authority ignore slashes': + if ('/' != c && '\\' != c) { + state = 'authority'; + continue; + } else { + err('Expected authority, got: ' + c); + } + break; + + case 'authority': + if ('@' == c) { + if (seenAt) { + err('@ already seen.'); + buffer += '%40'; + } + seenAt = true; + for (var i = 0; i < buffer.length; i++) { + var cp = buffer[i]; + if ('\t' == cp || '\n' == cp || '\r' == cp) { + err('Invalid whitespace in authority.'); + continue; + } + // XXX check URL code points + if (':' == cp && null === this._password) { + this._password = ''; + continue; + } + var tempC = percentEscape(cp); + (null !== this._password) ? this._password += tempC : this._username += tempC; + } + buffer = ''; + } else if (EOF == c || '/' == c || '\\' == c || '?' == c || '#' == c) { + cursor -= buffer.length; + buffer = ''; + state = 'host'; + continue; + } else { + buffer += c; + } + break; + + case 'file host': + if (EOF == c || '/' == c || '\\' == c || '?' == c || '#' == c) { + if (buffer.length == 2 && ALPHA.test(buffer[0]) && (buffer[1] == ':' || buffer[1] == '|')) { + state = 'relative path'; + } else if (buffer.length == 0) { + state = 'relative path start'; + } else { + this._host = IDNAToASCII.call(this, buffer); + buffer = ''; + state = 'relative path start'; + } + continue; + } else if ('\t' == c || '\n' == c || '\r' == c) { + err('Invalid whitespace in file host.'); + } else { + buffer += c; + } + break; + + case 'host': + case 'hostname': + if (':' == c && !seenBracket) { + // XXX host parsing + this._host = IDNAToASCII.call(this, buffer); + buffer = ''; + state = 'port'; + if ('hostname' == stateOverride) { + break loop; + } + } else if (EOF == c || '/' == c || '\\' == c || '?' == c || '#' == c) { + this._host = IDNAToASCII.call(this, buffer); + buffer = ''; + state = 'relative path start'; + if (stateOverride) { + break loop; + } + continue; + } else if ('\t' != c && '\n' != c && '\r' != c) { + if ('[' == c) { + seenBracket = true; + } else if (']' == c) { + seenBracket = false; + } + buffer += c; + } else { + err('Invalid code point in host/hostname: ' + c); + } + break; + + case 'port': + if (/[0-9]/.test(c)) { + buffer += c; + } else if (EOF == c || '/' == c || '\\' == c || '?' == c || '#' == c || stateOverride) { + if ('' != buffer) { + var temp = parseInt(buffer, 10); + if (temp != relative[this._scheme]) { + this._port = temp + ''; + } + buffer = ''; + } + if (stateOverride) { + break loop; + } + state = 'relative path start'; + continue; + } else if ('\t' == c || '\n' == c || '\r' == c) { + err('Invalid code point in port: ' + c); + } else { + invalid.call(this); + } + break; + + case 'relative path start': + if ('\\' == c) + err("'\\' not allowed in path."); + state = 'relative path'; + if ('/' != c && '\\' != c) { + continue; + } + break; + + case 'relative path': + if (EOF == c || '/' == c || '\\' == c || (!stateOverride && ('?' == c || '#' == c))) { + if ('\\' == c) { + err('\\ not allowed in relative path.'); + } + var tmp; + if (tmp = relativePathDotMapping[buffer.toLowerCase()]) { + buffer = tmp; + } + if ('..' == buffer) { + this._path.pop(); + if ('/' != c && '\\' != c) { + this._path.push(''); + } + } else if ('.' == buffer && '/' != c && '\\' != c) { + this._path.push(''); + } else if ('.' != buffer) { + if ('file' == this._scheme && this._path.length == 0 && buffer.length == 2 && ALPHA.test(buffer[0]) && buffer[1] == '|') { + buffer = buffer[0] + ':'; + } + this._path.push(buffer); + } + buffer = ''; + if ('?' == c) { + this._query = '?'; + state = 'query'; + } else if ('#' == c) { + this._fragment = '#'; + state = 'fragment'; + } + } else if ('\t' != c && '\n' != c && '\r' != c) { + buffer += percentEscape(c); + } + break; + + case 'query': + if (!stateOverride && '#' == c) { + this._fragment = '#'; + state = 'fragment'; + } else if (EOF != c && '\t' != c && '\n' != c && '\r' != c) { + this._query += percentEscapeQuery(c); + } + break; + + case 'fragment': + if (EOF != c && '\t' != c && '\n' != c && '\r' != c) { + this._fragment += c; + } + break; + } + + cursor++; + } + } + + function clear() { + this._scheme = ''; + this._schemeData = ''; + this._username = ''; + this._password = null; + this._host = ''; + this._port = ''; + this._path = []; + this._query = ''; + this._fragment = ''; + this._isInvalid = false; + this._isRelative = false; + } + + // Does not process domain names or IP addresses. + // Does not handle encoding for the query parameter. + function jURL(url, base /* , encoding */) { + if (base !== undefined && !(base instanceof jURL)) + base = new jURL(String(base)); + + this._url = url; + clear.call(this); + + var input = url.replace(/^[ \t\r\n\f]+|[ \t\r\n\f]+$/g, ''); + // encoding = encoding || 'utf-8' + + parse.call(this, input, null, base); + } + + jURL.prototype = { + toString: function() { + return this.href; + }, + get href() { + if (this._isInvalid) + return this._url; + + var authority = ''; + if ('' != this._username || null != this._password) { + authority = this._username + + (null != this._password ? ':' + this._password : '') + '@'; + } + + return this.protocol + + (this._isRelative ? '//' + authority + this.host : '') + + this.pathname + this._query + this._fragment; + }, + set href(href) { + clear.call(this); + parse.call(this, href); + }, + + get protocol() { + return this._scheme + ':'; + }, + set protocol(protocol) { + if (this._isInvalid) + return; + parse.call(this, protocol + ':', 'scheme start'); + }, + + get host() { + return this._isInvalid ? '' : this._port ? + this._host + ':' + this._port : this._host; + }, + set host(host) { + if (this._isInvalid || !this._isRelative) + return; + parse.call(this, host, 'host'); + }, + + get hostname() { + return this._host; + }, + set hostname(hostname) { + if (this._isInvalid || !this._isRelative) + return; + parse.call(this, hostname, 'hostname'); + }, + + get port() { + return this._port; + }, + set port(port) { + if (this._isInvalid || !this._isRelative) + return; + parse.call(this, port, 'port'); + }, + + get pathname() { + return this._isInvalid ? '' : this._isRelative ? + '/' + this._path.join('/') : this._schemeData; + }, + set pathname(pathname) { + if (this._isInvalid || !this._isRelative) + return; + this._path = []; + parse.call(this, pathname, 'relative path start'); + }, + + get search() { + return this._isInvalid || !this._query || '?' == this._query ? + '' : this._query; + }, + set search(search) { + if (this._isInvalid || !this._isRelative) + return; + this._query = '?'; + if ('?' == search[0]) + search = search.slice(1); + parse.call(this, search, 'query'); + }, + + get hash() { + return this._isInvalid || !this._fragment || '#' == this._fragment ? + '' : this._fragment; + }, + set hash(hash) { + if (this._isInvalid) + return; + this._fragment = '#'; + if ('#' == hash[0]) + hash = hash.slice(1); + parse.call(this, hash, 'fragment'); + }, + + get origin() { + var host; + if (this._isInvalid || !this._scheme) { + return ''; + } + // javascript: Gecko returns String(""), WebKit/Blink String("null") + // Gecko throws error for "data://" + // data: Gecko returns "", Blink returns "data://", WebKit returns "null" + // Gecko returns String("") for file: mailto: + // WebKit/Blink returns String("SCHEME://") for file: mailto: + switch (this._scheme) { + case 'data': + case 'file': + case 'javascript': + case 'mailto': + return 'null'; + } + host = this.host; + if (!host) { + return ''; + } + return this._scheme + '://' + host; + } + }; + + // Copy over the static methods + var OriginalURL = scope.URL; + if (OriginalURL) { + jURL.createObjectURL = function(blob) { + // IE extension allows a second optional options argument. + // http://msdn.microsoft.com/en-us/library/ie/hh772302(v=vs.85).aspx + return OriginalURL.createObjectURL.apply(OriginalURL, arguments); + }; + jURL.revokeObjectURL = function(url) { + OriginalURL.revokeObjectURL(url); + }; + } + + scope.URL = jURL; + /* jshint ignore:end */ +})(globalScope); + +exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX; +exports.IDENTITY_MATRIX = IDENTITY_MATRIX; +exports.OPS = OPS; +exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES; +exports.AnnotationBorderStyleType = AnnotationBorderStyleType; +exports.AnnotationFlag = AnnotationFlag; +exports.AnnotationType = AnnotationType; +exports.FontType = FontType; +exports.ImageKind = ImageKind; +exports.InvalidPDFException = InvalidPDFException; +exports.LinkTarget = LinkTarget; +exports.LinkTargetStringMap = LinkTargetStringMap; +exports.MessageHandler = MessageHandler; +exports.MissingDataException = MissingDataException; +exports.MissingPDFException = MissingPDFException; +exports.NotImplementedException = NotImplementedException; +exports.PasswordException = PasswordException; +exports.PasswordResponses = PasswordResponses; +exports.StatTimer = StatTimer; +exports.StreamType = StreamType; +exports.TextRenderingMode = TextRenderingMode; +exports.UnexpectedResponseException = UnexpectedResponseException; +exports.UnknownErrorException = UnknownErrorException; +exports.Util = Util; +exports.XRefParseException = XRefParseException; +exports.assert = assert; +exports.bytesToString = bytesToString; +exports.combineUrl = combineUrl; +exports.createPromiseCapability = createPromiseCapability; +exports.deprecated = deprecated; +exports.error = error; +exports.info = info; +exports.isArray = isArray; +exports.isArrayBuffer = isArrayBuffer; +exports.isBool = isBool; +exports.isEmptyObj = isEmptyObj; +exports.isExternalLinkTargetSet = isExternalLinkTargetSet; +exports.isInt = isInt; +exports.isNum = isNum; +exports.isString = isString; +exports.isValidUrl = isValidUrl; +exports.addLinkAttributes = addLinkAttributes; +exports.loadJpegStream = loadJpegStream; +exports.log2 = log2; +exports.readInt8 = readInt8; +exports.readUint16 = readUint16; +exports.readUint32 = readUint32; +exports.removeNullCharacters = removeNullCharacters; +exports.shadow = shadow; +exports.string32 = string32; +exports.stringToBytes = stringToBytes; +exports.stringToPDFString = stringToPDFString; +exports.stringToUTF8String = stringToUTF8String; +exports.utf8StringToString = utf8StringToString; +exports.warn = warn; +})); + + +(function (root, factory) { + { + factory((root.pdfjsDisplayAnnotationLayer = {}), root.pdfjsSharedUtil, + root.pdfjsDisplayDOMUtils); + } +}(this, function (exports, sharedUtil, displayDOMUtils) { + +var AnnotationBorderStyleType = sharedUtil.AnnotationBorderStyleType; +var AnnotationType = sharedUtil.AnnotationType; +var Util = sharedUtil.Util; +var addLinkAttributes = sharedUtil.addLinkAttributes; +var warn = sharedUtil.warn; +var CustomStyle = displayDOMUtils.CustomStyle; + +/** + * @typedef {Object} AnnotationElementParameters + * @property {Object} data + * @property {HTMLDivElement} layer + * @property {PDFPage} page + * @property {PageViewport} viewport + * @property {IPDFLinkService} linkService + */ + +/** + * @class + * @alias AnnotationElementFactory + */ +function AnnotationElementFactory() {} +AnnotationElementFactory.prototype = + /** @lends AnnotationElementFactory.prototype */ { + /** + * @param {AnnotationElementParameters} parameters + * @returns {AnnotationElement} + */ + create: function AnnotationElementFactory_create(parameters) { + var subtype = parameters.data.annotationType; + + switch (subtype) { + case AnnotationType.LINK: + return new LinkAnnotationElement(parameters); + + case AnnotationType.TEXT: + return new TextAnnotationElement(parameters); + + case AnnotationType.WIDGET: + return new WidgetAnnotationElement(parameters); + + case AnnotationType.POPUP: + return new PopupAnnotationElement(parameters); + + case AnnotationType.HIGHLIGHT: + return new HighlightAnnotationElement(parameters); + + case AnnotationType.UNDERLINE: + return new UnderlineAnnotationElement(parameters); + + case AnnotationType.SQUIGGLY: + return new SquigglyAnnotationElement(parameters); + + case AnnotationType.STRIKEOUT: + return new StrikeOutAnnotationElement(parameters); + + default: + throw new Error('Unimplemented annotation type "' + subtype + '"'); + } + } +}; + +/** + * @class + * @alias AnnotationElement + */ +var AnnotationElement = (function AnnotationElementClosure() { + function AnnotationElement(parameters) { + this.data = parameters.data; + this.layer = parameters.layer; + this.page = parameters.page; + this.viewport = parameters.viewport; + this.linkService = parameters.linkService; + + this.container = this._createContainer(); + } + + AnnotationElement.prototype = /** @lends AnnotationElement.prototype */ { + /** + * Create an empty container for the annotation's HTML element. + * + * @private + * @memberof AnnotationElement + * @returns {HTMLSectionElement} + */ + _createContainer: function AnnotationElement_createContainer() { + var data = this.data, page = this.page, viewport = this.viewport; + var container = document.createElement('section'); + var width = data.rect[2] - data.rect[0]; + var height = data.rect[3] - data.rect[1]; + + container.setAttribute('data-annotation-id', data.id); + + // Do *not* modify `data.rect`, since that will corrupt the annotation + // position on subsequent calls to `_createContainer` (see issue 6804). + var rect = Util.normalizeRect([ + data.rect[0], + page.view[3] - data.rect[1] + page.view[1], + data.rect[2], + page.view[3] - data.rect[3] + page.view[1] + ]); + + CustomStyle.setProp('transform', container, + 'matrix(' + viewport.transform.join(',') + ')'); + CustomStyle.setProp('transformOrigin', container, + -rect[0] + 'px ' + -rect[1] + 'px'); + + if (data.borderStyle.width > 0) { + container.style.borderWidth = data.borderStyle.width + 'px'; + if (data.borderStyle.style !== AnnotationBorderStyleType.UNDERLINE) { + // Underline styles only have a bottom border, so we do not need + // to adjust for all borders. This yields a similar result as + // Adobe Acrobat/Reader. + width = width - 2 * data.borderStyle.width; + height = height - 2 * data.borderStyle.width; + } + + var horizontalRadius = data.borderStyle.horizontalCornerRadius; + var verticalRadius = data.borderStyle.verticalCornerRadius; + if (horizontalRadius > 0 || verticalRadius > 0) { + var radius = horizontalRadius + 'px / ' + verticalRadius + 'px'; + CustomStyle.setProp('borderRadius', container, radius); + } + + switch (data.borderStyle.style) { + case AnnotationBorderStyleType.SOLID: + container.style.borderStyle = 'solid'; + break; + + case AnnotationBorderStyleType.DASHED: + container.style.borderStyle = 'dashed'; + break; + + case AnnotationBorderStyleType.BEVELED: + warn('Unimplemented border style: beveled'); + break; + + case AnnotationBorderStyleType.INSET: + warn('Unimplemented border style: inset'); + break; + + case AnnotationBorderStyleType.UNDERLINE: + container.style.borderBottomStyle = 'solid'; + break; + + default: + break; + } + + if (data.color) { + container.style.borderColor = + Util.makeCssRgb(data.color[0] | 0, + data.color[1] | 0, + data.color[2] | 0); + } else { + // Transparent (invisible) border, so do not draw it at all. + container.style.borderWidth = 0; + } + } + + container.style.left = rect[0] + 'px'; + container.style.top = rect[1] + 'px'; + + container.style.width = width + 'px'; + container.style.height = height + 'px'; + + return container; + }, + + /** + * Render the annotation's HTML element in the empty container. + * + * @public + * @memberof AnnotationElement + */ + render: function AnnotationElement_render() { + throw new Error('Abstract method AnnotationElement.render called'); + } + }; + + return AnnotationElement; +})(); + +/** + * @class + * @alias LinkAnnotationElement + */ +var LinkAnnotationElement = (function LinkAnnotationElementClosure() { + function LinkAnnotationElement(parameters) { + AnnotationElement.call(this, parameters); + } + + Util.inherit(LinkAnnotationElement, AnnotationElement, { + /** + * Render the link annotation's HTML element in the empty container. + * + * @public + * @memberof LinkAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function LinkAnnotationElement_render() { + this.container.className = 'linkAnnotation'; + + var link = document.createElement('a'); + addLinkAttributes(link, { url: this.data.url }); + + if (!this.data.url) { + if (this.data.action) { + this._bindNamedAction(link, this.data.action); + } else { + this._bindLink(link, ('dest' in this.data) ? this.data.dest : null); + } + } + + this.container.appendChild(link); + return this.container; + }, + + /** + * Bind internal links to the link element. + * + * @private + * @param {Object} link + * @param {Object} destination + * @memberof LinkAnnotationElement + */ + _bindLink: function LinkAnnotationElement_bindLink(link, destination) { + var self = this; + + link.href = this.linkService.getDestinationHash(destination); + link.onclick = function() { + if (destination) { + self.linkService.navigateTo(destination); + } + return false; + }; + if (destination) { + link.className = 'internalLink'; + } + }, + + /** + * Bind named actions to the link element. + * + * @private + * @param {Object} link + * @param {Object} action + * @memberof LinkAnnotationElement + */ + _bindNamedAction: + function LinkAnnotationElement_bindNamedAction(link, action) { + var self = this; + + link.href = this.linkService.getAnchorUrl(''); + link.onclick = function() { + self.linkService.executeNamedAction(action); + return false; + }; + link.className = 'internalLink'; + } + }); + + return LinkAnnotationElement; +})(); + +/** + * @class + * @alias TextAnnotationElement + */ +var TextAnnotationElement = (function TextAnnotationElementClosure() { + function TextAnnotationElement(parameters) { + AnnotationElement.call(this, parameters); + } + + Util.inherit(TextAnnotationElement, AnnotationElement, { + /** + * Render the text annotation's HTML element in the empty container. + * + * @public + * @memberof TextAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function TextAnnotationElement_render() { + this.container.className = 'textAnnotation'; + + var image = document.createElement('img'); + image.style.height = this.container.style.height; + image.style.width = this.container.style.width; + image.src = PDFJS.imageResourcesPath + 'annotation-' + + this.data.name.toLowerCase() + '.svg'; + image.alt = '[{{type}} Annotation]'; + image.dataset.l10nId = 'text_annotation_type'; + image.dataset.l10nArgs = JSON.stringify({type: this.data.name}); + + if (!this.data.hasPopup) { + var popupElement = new PopupElement({ + container: this.container, + trigger: image, + color: this.data.color, + title: this.data.title, + contents: this.data.contents, + hideWrapper: true + }); + var popup = popupElement.render(); + + // Position the popup next to the Text annotation's container. + popup.style.left = image.style.width; + + this.container.appendChild(popup); + } + + this.container.appendChild(image); + return this.container; + } + }); + + return TextAnnotationElement; +})(); + +/** + * @class + * @alias WidgetAnnotationElement + */ +var WidgetAnnotationElement = (function WidgetAnnotationElementClosure() { + function WidgetAnnotationElement(parameters) { + AnnotationElement.call(this, parameters); + } + + Util.inherit(WidgetAnnotationElement, AnnotationElement, { + /** + * Render the widget annotation's HTML element in the empty container. + * + * @public + * @memberof WidgetAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function WidgetAnnotationElement_render() { + var content = document.createElement('div'); + content.textContent = this.data.fieldValue; + var textAlignment = this.data.textAlignment; + content.style.textAlign = ['left', 'center', 'right'][textAlignment]; + content.style.verticalAlign = 'middle'; + content.style.display = 'table-cell'; + + var font = (this.data.fontRefName ? + this.page.commonObjs.getData(this.data.fontRefName) : null); + this._setTextStyle(content, font); + + this.container.appendChild(content); + return this.container; + }, + + /** + * Apply text styles to the text in the element. + * + * @private + * @param {HTMLDivElement} element + * @param {Object} font + * @memberof WidgetAnnotationElement + */ + _setTextStyle: + function WidgetAnnotationElement_setTextStyle(element, font) { + // TODO: This duplicates some of the logic in CanvasGraphics.setFont(). + var style = element.style; + style.fontSize = this.data.fontSize + 'px'; + style.direction = (this.data.fontDirection < 0 ? 'rtl': 'ltr'); + + if (!font) { + return; + } + + style.fontWeight = (font.black ? + (font.bold ? '900' : 'bold') : + (font.bold ? 'bold' : 'normal')); + style.fontStyle = (font.italic ? 'italic' : 'normal'); + + // Use a reasonable default font if the font doesn't specify a fallback. + var fontFamily = font.loadedName ? '"' + font.loadedName + '", ' : ''; + var fallbackName = font.fallbackName || 'Helvetica, sans-serif'; + style.fontFamily = fontFamily + fallbackName; + } + }); + + return WidgetAnnotationElement; +})(); + +/** + * @class + * @alias PopupAnnotationElement + */ +var PopupAnnotationElement = (function PopupAnnotationElementClosure() { + function PopupAnnotationElement(parameters) { + AnnotationElement.call(this, parameters); + } + + Util.inherit(PopupAnnotationElement, AnnotationElement, { + /** + * Render the popup annotation's HTML element in the empty container. + * + * @public + * @memberof PopupAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function PopupAnnotationElement_render() { + this.container.className = 'popupAnnotation'; + + var selector = '[data-annotation-id="' + this.data.parentId + '"]'; + var parentElement = this.layer.querySelector(selector); + if (!parentElement) { + return this.container; + } + + var popup = new PopupElement({ + container: this.container, + trigger: parentElement, + color: this.data.color, + title: this.data.title, + contents: this.data.contents + }); + + // Position the popup next to the parent annotation's container. + // PDF viewers ignore a popup annotation's rectangle. + var parentLeft = parseFloat(parentElement.style.left); + var parentWidth = parseFloat(parentElement.style.width); + CustomStyle.setProp('transformOrigin', this.container, + -(parentLeft + parentWidth) + 'px -' + + parentElement.style.top); + this.container.style.left = (parentLeft + parentWidth) + 'px'; + + this.container.appendChild(popup.render()); + return this.container; + } + }); + + return PopupAnnotationElement; +})(); + +/** + * @class + * @alias PopupElement + */ +var PopupElement = (function PopupElementClosure() { + var BACKGROUND_ENLIGHT = 0.7; + + function PopupElement(parameters) { + this.container = parameters.container; + this.trigger = parameters.trigger; + this.color = parameters.color; + this.title = parameters.title; + this.contents = parameters.contents; + this.hideWrapper = parameters.hideWrapper || false; + + this.pinned = false; + } + + PopupElement.prototype = /** @lends PopupElement.prototype */ { + /** + * Render the popup's HTML element. + * + * @public + * @memberof PopupElement + * @returns {HTMLSectionElement} + */ + render: function PopupElement_render() { + var wrapper = document.createElement('div'); + wrapper.className = 'popupWrapper'; + + // For Popup annotations we hide the entire section because it contains + // only the popup. However, for Text annotations without a separate Popup + // annotation, we cannot hide the entire container as the image would + // disappear too. In that special case, hiding the wrapper suffices. + this.hideElement = (this.hideWrapper ? wrapper : this.container); + this.hideElement.setAttribute('hidden', true); + + var popup = document.createElement('div'); + popup.className = 'popup'; + + var color = this.color; + if (color) { + // Enlighten the color. + var r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0]; + var g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1]; + var b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2]; + popup.style.backgroundColor = Util.makeCssRgb(r | 0, g | 0, b | 0); + } + + var contents = this._formatContents(this.contents); + var title = document.createElement('h1'); + title.textContent = this.title; + + // Attach the event listeners to the trigger element. + this.trigger.addEventListener('click', this._toggle.bind(this)); + this.trigger.addEventListener('mouseover', this._show.bind(this, false)); + this.trigger.addEventListener('mouseout', this._hide.bind(this, false)); + popup.addEventListener('click', this._hide.bind(this, true)); + + popup.appendChild(title); + popup.appendChild(contents); + wrapper.appendChild(popup); + return wrapper; + }, + + /** + * Format the contents of the popup by adding newlines where necessary. + * + * @private + * @param {string} contents + * @memberof PopupElement + * @returns {HTMLParagraphElement} + */ + _formatContents: function PopupElement_formatContents(contents) { + var p = document.createElement('p'); + var lines = contents.split(/(?:\r\n?|\n)/); + for (var i = 0, ii = lines.length; i < ii; ++i) { + var line = lines[i]; + p.appendChild(document.createTextNode(line)); + if (i < (ii - 1)) { + p.appendChild(document.createElement('br')); + } + } + return p; + }, + + /** + * Toggle the visibility of the popup. + * + * @private + * @memberof PopupElement + */ + _toggle: function PopupElement_toggle() { + if (this.pinned) { + this._hide(true); + } else { + this._show(true); + } + }, + + /** + * Show the popup. + * + * @private + * @param {boolean} pin + * @memberof PopupElement + */ + _show: function PopupElement_show(pin) { + if (pin) { + this.pinned = true; + } + if (this.hideElement.hasAttribute('hidden')) { + this.hideElement.removeAttribute('hidden'); + this.container.style.zIndex += 1; + } + }, + + /** + * Hide the popup. + * + * @private + * @param {boolean} unpin + * @memberof PopupElement + */ + _hide: function PopupElement_hide(unpin) { + if (unpin) { + this.pinned = false; + } + if (!this.hideElement.hasAttribute('hidden') && !this.pinned) { + this.hideElement.setAttribute('hidden', true); + this.container.style.zIndex -= 1; + } + } + }; + + return PopupElement; +})(); + +/** + * @class + * @alias HighlightAnnotationElement + */ +var HighlightAnnotationElement = ( + function HighlightAnnotationElementClosure() { + function HighlightAnnotationElement(parameters) { + AnnotationElement.call(this, parameters); + } + + Util.inherit(HighlightAnnotationElement, AnnotationElement, { + /** + * Render the highlight annotation's HTML element in the empty container. + * + * @public + * @memberof HighlightAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function HighlightAnnotationElement_render() { + this.container.className = 'highlightAnnotation'; + return this.container; + } + }); + + return HighlightAnnotationElement; +})(); + +/** + * @class + * @alias UnderlineAnnotationElement + */ +var UnderlineAnnotationElement = ( + function UnderlineAnnotationElementClosure() { + function UnderlineAnnotationElement(parameters) { + AnnotationElement.call(this, parameters); + } + + Util.inherit(UnderlineAnnotationElement, AnnotationElement, { + /** + * Render the underline annotation's HTML element in the empty container. + * + * @public + * @memberof UnderlineAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function UnderlineAnnotationElement_render() { + this.container.className = 'underlineAnnotation'; + return this.container; + } + }); + + return UnderlineAnnotationElement; +})(); + +/** + * @class + * @alias SquigglyAnnotationElement + */ +var SquigglyAnnotationElement = (function SquigglyAnnotationElementClosure() { + function SquigglyAnnotationElement(parameters) { + AnnotationElement.call(this, parameters); + } + + Util.inherit(SquigglyAnnotationElement, AnnotationElement, { + /** + * Render the squiggly annotation's HTML element in the empty container. + * + * @public + * @memberof SquigglyAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function SquigglyAnnotationElement_render() { + this.container.className = 'squigglyAnnotation'; + return this.container; + } + }); + + return SquigglyAnnotationElement; +})(); + +/** + * @class + * @alias StrikeOutAnnotationElement + */ +var StrikeOutAnnotationElement = ( + function StrikeOutAnnotationElementClosure() { + function StrikeOutAnnotationElement(parameters) { + AnnotationElement.call(this, parameters); + } + + Util.inherit(StrikeOutAnnotationElement, AnnotationElement, { + /** + * Render the strikeout annotation's HTML element in the empty container. + * + * @public + * @memberof StrikeOutAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function StrikeOutAnnotationElement_render() { + this.container.className = 'strikeoutAnnotation'; + return this.container; + } + }); + + return StrikeOutAnnotationElement; +})(); + +/** + * @typedef {Object} AnnotationLayerParameters + * @property {PageViewport} viewport + * @property {HTMLDivElement} div + * @property {Array} annotations + * @property {PDFPage} page + * @property {IPDFLinkService} linkService + */ + +/** + * @class + * @alias AnnotationLayer + */ +var AnnotationLayer = (function AnnotationLayerClosure() { + return { + /** + * Render a new annotation layer with all annotation elements. + * + * @public + * @param {AnnotationLayerParameters} parameters + * @memberof AnnotationLayer + */ + render: function AnnotationLayer_render(parameters) { + var annotationElementFactory = new AnnotationElementFactory(); + + for (var i = 0, ii = parameters.annotations.length; i < ii; i++) { + var data = parameters.annotations[i]; + if (!data || !data.hasHtml) { + continue; + } + + var properties = { + data: data, + layer: parameters.div, + page: parameters.page, + viewport: parameters.viewport, + linkService: parameters.linkService + }; + var element = annotationElementFactory.create(properties); + parameters.div.appendChild(element.render()); + } + }, + + /** + * Update the annotation elements on existing annotation layer. + * + * @public + * @param {AnnotationLayerParameters} parameters + * @memberof AnnotationLayer + */ + update: function AnnotationLayer_update(parameters) { + for (var i = 0, ii = parameters.annotations.length; i < ii; i++) { + var data = parameters.annotations[i]; + var element = parameters.div.querySelector( + '[data-annotation-id="' + data.id + '"]'); + if (element) { + CustomStyle.setProp('transform', element, + 'matrix(' + parameters.viewport.transform.join(',') + ')'); + } + } + parameters.div.removeAttribute('hidden'); + } + }; +})(); + +PDFJS.AnnotationLayer = AnnotationLayer; + +exports.AnnotationLayer = AnnotationLayer; +})); + + +(function (root, factory) { + { + factory((root.pdfjsDisplayFontLoader = {}), root.pdfjsSharedUtil, + root.pdfjsSharedGlobal); + } +}(this, function (exports, sharedUtil, sharedGlobal) { + +var assert = sharedUtil.assert; +var bytesToString = sharedUtil.bytesToString; +var string32 = sharedUtil.string32; +var shadow = sharedUtil.shadow; +var warn = sharedUtil.warn; + +var PDFJS = sharedGlobal.PDFJS; +var globalScope = sharedGlobal.globalScope; +var isWorker = sharedGlobal.isWorker; + +function FontLoader(docId) { + this.docId = docId; + this.styleElement = null; + this.nativeFontFaces = []; + this.loadTestFontId = 0; + this.loadingContext = { + requests: [], + nextRequestId: 0 + }; +} +FontLoader.prototype = { + insertRule: function fontLoaderInsertRule(rule) { + var styleElement = this.styleElement; + if (!styleElement) { + styleElement = this.styleElement = document.createElement('style'); + styleElement.id = 'PDFJS_FONT_STYLE_TAG_' + this.docId; + document.documentElement.getElementsByTagName('head')[0].appendChild( + styleElement); + } + + var styleSheet = styleElement.sheet; + styleSheet.insertRule(rule, styleSheet.cssRules.length); + }, + + clear: function fontLoaderClear() { + var styleElement = this.styleElement; + if (styleElement) { + styleElement.parentNode.removeChild(styleElement); + styleElement = this.styleElement = null; + } + this.nativeFontFaces.forEach(function(nativeFontFace) { + document.fonts.delete(nativeFontFace); + }); + this.nativeFontFaces.length = 0; + }, + get loadTestFont() { + // This is a CFF font with 1 glyph for '.' that fills its entire width and + // height. + return shadow(this, 'loadTestFont', atob( + 'T1RUTwALAIAAAwAwQ0ZGIDHtZg4AAAOYAAAAgUZGVE1lkzZwAAAEHAAAABxHREVGABQAFQ' + + 'AABDgAAAAeT1MvMlYNYwkAAAEgAAAAYGNtYXABDQLUAAACNAAAAUJoZWFk/xVFDQAAALwA' + + 'AAA2aGhlYQdkA+oAAAD0AAAAJGhtdHgD6AAAAAAEWAAAAAZtYXhwAAJQAAAAARgAAAAGbm' + + 'FtZVjmdH4AAAGAAAAAsXBvc3T/hgAzAAADeAAAACAAAQAAAAEAALZRFsRfDzz1AAsD6AAA' + + 'AADOBOTLAAAAAM4KHDwAAAAAA+gDIQAAAAgAAgAAAAAAAAABAAADIQAAAFoD6AAAAAAD6A' + + 'ABAAAAAAAAAAAAAAAAAAAAAQAAUAAAAgAAAAQD6AH0AAUAAAKKArwAAACMAooCvAAAAeAA' + + 'MQECAAACAAYJAAAAAAAAAAAAAQAAAAAAAAAAAAAAAFBmRWQAwAAuAC4DIP84AFoDIQAAAA' + + 'AAAQAAAAAAAAAAACAAIAABAAAADgCuAAEAAAAAAAAAAQAAAAEAAAAAAAEAAQAAAAEAAAAA' + + 'AAIAAQAAAAEAAAAAAAMAAQAAAAEAAAAAAAQAAQAAAAEAAAAAAAUAAQAAAAEAAAAAAAYAAQ' + + 'AAAAMAAQQJAAAAAgABAAMAAQQJAAEAAgABAAMAAQQJAAIAAgABAAMAAQQJAAMAAgABAAMA' + + 'AQQJAAQAAgABAAMAAQQJAAUAAgABAAMAAQQJAAYAAgABWABYAAAAAAAAAwAAAAMAAAAcAA' + + 'EAAAAAADwAAwABAAAAHAAEACAAAAAEAAQAAQAAAC7//wAAAC7////TAAEAAAAAAAABBgAA' + + 'AQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAA' + + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMAAA' + + 'AAAAD/gwAyAAAAAQAAAAAAAAAAAAAAAAAAAAABAAQEAAEBAQJYAAEBASH4DwD4GwHEAvgc' + + 'A/gXBIwMAYuL+nz5tQXkD5j3CBLnEQACAQEBIVhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWF' + + 'hYWFhYWFhYAAABAQAADwACAQEEE/t3Dov6fAH6fAT+fPp8+nwHDosMCvm1Cvm1DAz6fBQA' + + 'AAAAAAABAAAAAMmJbzEAAAAAzgTjFQAAAADOBOQpAAEAAAAAAAAADAAUAAQAAAABAAAAAg' + + 'ABAAAAAAAAAAAD6AAAAAAAAA==' + )); + }, + + addNativeFontFace: function fontLoader_addNativeFontFace(nativeFontFace) { + this.nativeFontFaces.push(nativeFontFace); + document.fonts.add(nativeFontFace); + }, + + bind: function fontLoaderBind(fonts, callback) { + assert(!isWorker, 'bind() shall be called from main thread'); + + var rules = []; + var fontsToLoad = []; + var fontLoadPromises = []; + var getNativeFontPromise = function(nativeFontFace) { + // Return a promise that is always fulfilled, even when the font fails to + // load. + return nativeFontFace.loaded.catch(function(e) { + warn('Failed to load font "' + nativeFontFace.family + '": ' + e); + }); + }; + for (var i = 0, ii = fonts.length; i < ii; i++) { + var font = fonts[i]; + + // Add the font to the DOM only once or skip if the font + // is already loaded. + if (font.attached || font.loading === false) { + continue; + } + font.attached = true; + + if (FontLoader.isFontLoadingAPISupported) { + var nativeFontFace = font.createNativeFontFace(); + if (nativeFontFace) { + this.addNativeFontFace(nativeFontFace); + fontLoadPromises.push(getNativeFontPromise(nativeFontFace)); + } + } else { + var rule = font.createFontFaceRule(); + if (rule) { + this.insertRule(rule); + rules.push(rule); + fontsToLoad.push(font); + } + } + } + + var request = this.queueLoadingCallback(callback); + if (FontLoader.isFontLoadingAPISupported) { + Promise.all(fontLoadPromises).then(function() { + request.complete(); + }); + } else if (rules.length > 0 && !FontLoader.isSyncFontLoadingSupported) { + this.prepareFontLoadEvent(rules, fontsToLoad, request); + } else { + request.complete(); + } + }, + + queueLoadingCallback: function FontLoader_queueLoadingCallback(callback) { + function LoadLoader_completeRequest() { + assert(!request.end, 'completeRequest() cannot be called twice'); + request.end = Date.now(); + + // sending all completed requests in order how they were queued + while (context.requests.length > 0 && context.requests[0].end) { + var otherRequest = context.requests.shift(); + setTimeout(otherRequest.callback, 0); + } + } + + var context = this.loadingContext; + var requestId = 'pdfjs-font-loading-' + (context.nextRequestId++); + var request = { + id: requestId, + complete: LoadLoader_completeRequest, + callback: callback, + started: Date.now() + }; + context.requests.push(request); + return request; + }, + + prepareFontLoadEvent: function fontLoaderPrepareFontLoadEvent(rules, + fonts, + request) { + /** Hack begin */ + // There's currently no event when a font has finished downloading so the + // following code is a dirty hack to 'guess' when a font is + // ready. It's assumed fonts are loaded in order, so add a known test + // font after the desired fonts and then test for the loading of that + // test font. + + function int32(data, offset) { + return (data.charCodeAt(offset) << 24) | + (data.charCodeAt(offset + 1) << 16) | + (data.charCodeAt(offset + 2) << 8) | + (data.charCodeAt(offset + 3) & 0xff); + } + + function spliceString(s, offset, remove, insert) { + var chunk1 = s.substr(0, offset); + var chunk2 = s.substr(offset + remove); + return chunk1 + insert + chunk2; + } + + var i, ii; + + var canvas = document.createElement('canvas'); + canvas.width = 1; + canvas.height = 1; + var ctx = canvas.getContext('2d'); + + var called = 0; + function isFontReady(name, callback) { + called++; + // With setTimeout clamping this gives the font ~100ms to load. + if(called > 30) { + warn('Load test font never loaded.'); + callback(); + return; + } + ctx.font = '30px ' + name; + ctx.fillText('.', 0, 20); + var imageData = ctx.getImageData(0, 0, 1, 1); + if (imageData.data[3] > 0) { + callback(); + return; + } + setTimeout(isFontReady.bind(null, name, callback)); + } + + var loadTestFontId = 'lt' + Date.now() + this.loadTestFontId++; + // Chromium seems to cache fonts based on a hash of the actual font data, + // so the font must be modified for each load test else it will appear to + // be loaded already. + // TODO: This could maybe be made faster by avoiding the btoa of the full + // font by splitting it in chunks before hand and padding the font id. + var data = this.loadTestFont; + var COMMENT_OFFSET = 976; // has to be on 4 byte boundary (for checksum) + data = spliceString(data, COMMENT_OFFSET, loadTestFontId.length, + loadTestFontId); + // CFF checksum is important for IE, adjusting it + var CFF_CHECKSUM_OFFSET = 16; + var XXXX_VALUE = 0x58585858; // the "comment" filled with 'X' + var checksum = int32(data, CFF_CHECKSUM_OFFSET); + for (i = 0, ii = loadTestFontId.length - 3; i < ii; i += 4) { + checksum = (checksum - XXXX_VALUE + int32(loadTestFontId, i)) | 0; + } + if (i < loadTestFontId.length) { // align to 4 bytes boundary + checksum = (checksum - XXXX_VALUE + + int32(loadTestFontId + 'XXX', i)) | 0; + } + data = spliceString(data, CFF_CHECKSUM_OFFSET, 4, string32(checksum)); + + var url = 'url(data:font/opentype;base64,' + btoa(data) + ');'; + var rule = '@font-face { font-family:"' + loadTestFontId + '";src:' + + url + '}'; + this.insertRule(rule); + + var names = []; + for (i = 0, ii = fonts.length; i < ii; i++) { + names.push(fonts[i].loadedName); + } + names.push(loadTestFontId); + + var div = document.createElement('div'); + div.setAttribute('style', + 'visibility: hidden;' + + 'width: 10px; height: 10px;' + + 'position: absolute; top: 0px; left: 0px;'); + for (i = 0, ii = names.length; i < ii; ++i) { + var span = document.createElement('span'); + span.textContent = 'Hi'; + span.style.fontFamily = names[i]; + div.appendChild(span); + } + document.body.appendChild(div); + + isFontReady(loadTestFontId, function() { + document.body.removeChild(div); + request.complete(); + }); + /** Hack end */ + } +}; +FontLoader.isFontLoadingAPISupported = (!isWorker && + typeof document !== 'undefined' && !!document.fonts); +Object.defineProperty(FontLoader, 'isSyncFontLoadingSupported', { + get: function () { + var supported = false; + + // User agent string sniffing is bad, but there is no reliable way to tell + // if font is fully loaded and ready to be used with canvas. + var userAgent = window.navigator.userAgent; + var m = /Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(userAgent); + if (m && m[1] >= 14) { + supported = true; + } + // TODO other browsers + if (userAgent === 'node') { + supported = true; + } + return shadow(FontLoader, 'isSyncFontLoadingSupported', supported); + }, + enumerable: true, + configurable: true +}); + +var FontFaceObject = (function FontFaceObjectClosure() { + function FontFaceObject(translatedData) { + this.compiledGlyphs = {}; + // importing translated data + for (var i in translatedData) { + this[i] = translatedData[i]; + } + } + Object.defineProperty(FontFaceObject, 'isEvalSupported', { + get: function () { + var evalSupport = false; + if (PDFJS.isEvalSupported) { + try { + /* jshint evil: true */ + new Function(''); + evalSupport = true; + } catch (e) {} + } + return shadow(this, 'isEvalSupported', evalSupport); + }, + enumerable: true, + configurable: true + }); + FontFaceObject.prototype = { + createNativeFontFace: function FontFaceObject_createNativeFontFace() { + if (!this.data) { + return null; + } + + if (PDFJS.disableFontFace) { + this.disableFontFace = true; + return null; + } + + var nativeFontFace = new FontFace(this.loadedName, this.data, {}); + + if (PDFJS.pdfBug && 'FontInspector' in globalScope && + globalScope['FontInspector'].enabled) { + globalScope['FontInspector'].fontAdded(this); + } + return nativeFontFace; + }, + + createFontFaceRule: function FontFaceObject_createFontFaceRule() { + if (!this.data) { + return null; + } + + if (PDFJS.disableFontFace) { + this.disableFontFace = true; + return null; + } + + var data = bytesToString(new Uint8Array(this.data)); + var fontName = this.loadedName; + + // Add the font-face rule to the document + var url = ('url(data:' + this.mimetype + ';base64,' + + window.btoa(data) + ');'); + var rule = '@font-face { font-family:"' + fontName + '";src:' + url + '}'; + + if (PDFJS.pdfBug && 'FontInspector' in globalScope && + globalScope['FontInspector'].enabled) { + globalScope['FontInspector'].fontAdded(this, url); + } + + return rule; + }, + + getPathGenerator: + function FontFaceObject_getPathGenerator(objs, character) { + if (!(character in this.compiledGlyphs)) { + var cmds = objs.get(this.loadedName + '_path_' + character); + var current, i, len; + + // If we can, compile cmds into JS for MAXIMUM SPEED + if (FontFaceObject.isEvalSupported) { + var args, js = ''; + for (i = 0, len = cmds.length; i < len; i++) { + current = cmds[i]; + + if (current.args !== undefined) { + args = current.args.join(','); + } else { + args = ''; + } + + js += 'c.' + current.cmd + '(' + args + ');\n'; + } + /* jshint -W054 */ + this.compiledGlyphs[character] = new Function('c', 'size', js); + } else { + // But fall back on using Function.prototype.apply() if we're + // blocked from using eval() for whatever reason (like CSP policies) + this.compiledGlyphs[character] = function(c, size) { + for (i = 0, len = cmds.length; i < len; i++) { + current = cmds[i]; + + if (current.cmd === 'scale') { + current.args = [size, -size]; + } + + c[current.cmd].apply(c, current.args); + } + }; + } + } + return this.compiledGlyphs[character]; + } + }; + return FontFaceObject; +})(); + +exports.FontFaceObject = FontFaceObject; +exports.FontLoader = FontLoader; +})); + + +(function (root, factory) { + { + factory((root.pdfjsDisplayMetadata = {}), root.pdfjsSharedUtil); + } +}(this, function (exports, sharedUtil) { + +var error = sharedUtil.error; + +var Metadata = PDFJS.Metadata = (function MetadataClosure() { + function fixMetadata(meta) { + return meta.replace(/>\\376\\377([^<]+)/g, function(all, codes) { + var bytes = codes.replace(/\\([0-3])([0-7])([0-7])/g, + function(code, d1, d2, d3) { + return String.fromCharCode(d1 * 64 + d2 * 8 + d3 * 1); + }); + var chars = ''; + for (var i = 0; i < bytes.length; i += 2) { + var code = bytes.charCodeAt(i) * 256 + bytes.charCodeAt(i + 1); + chars += code >= 32 && code < 127 && code !== 60 && code !== 62 && + code !== 38 && false ? String.fromCharCode(code) : + '&#x' + (0x10000 + code).toString(16).substring(1) + ';'; + } + return '>' + chars; + }); + } + + function Metadata(meta) { + if (typeof meta === 'string') { + // Ghostscript produces invalid metadata + meta = fixMetadata(meta); + + var parser = new DOMParser(); + meta = parser.parseFromString(meta, 'application/xml'); + } else if (!(meta instanceof Document)) { + error('Metadata: Invalid metadata object'); + } + + this.metaDocument = meta; + this.metadata = {}; + this.parse(); + } + + Metadata.prototype = { + parse: function Metadata_parse() { + var doc = this.metaDocument; + var rdf = doc.documentElement; + + if (rdf.nodeName.toLowerCase() !== 'rdf:rdf') { // Wrapped in + rdf = rdf.firstChild; + while (rdf && rdf.nodeName.toLowerCase() !== 'rdf:rdf') { + rdf = rdf.nextSibling; + } + } + + var nodeName = (rdf) ? rdf.nodeName.toLowerCase() : null; + if (!rdf || nodeName !== 'rdf:rdf' || !rdf.hasChildNodes()) { + return; + } + + var children = rdf.childNodes, desc, entry, name, i, ii, length, iLength; + for (i = 0, length = children.length; i < length; i++) { + desc = children[i]; + if (desc.nodeName.toLowerCase() !== 'rdf:description') { + continue; + } + + for (ii = 0, iLength = desc.childNodes.length; ii < iLength; ii++) { + if (desc.childNodes[ii].nodeName.toLowerCase() !== '#text') { + entry = desc.childNodes[ii]; + name = entry.nodeName.toLowerCase(); + this.metadata[name] = entry.textContent.trim(); + } + } + } + }, + + get: function Metadata_get(name) { + return this.metadata[name] || null; + }, + + has: function Metadata_has(name) { + return typeof this.metadata[name] !== 'undefined'; + } + }; + + return Metadata; +})(); + +exports.Metadata = Metadata; +})); + + +(function (root, factory) { + { + factory((root.pdfjsDisplaySVG = {}), root.pdfjsSharedUtil); + } +}(this, function (exports, sharedUtil) { + +var FONT_IDENTITY_MATRIX = sharedUtil.FONT_IDENTITY_MATRIX; +var IDENTITY_MATRIX = sharedUtil.IDENTITY_MATRIX; +var ImageKind = sharedUtil.ImageKind; +var OPS = sharedUtil.OPS; +var Util = sharedUtil.Util; +var isNum = sharedUtil.isNum; +var isArray = sharedUtil.isArray; +var warn = sharedUtil.warn; + +var SVG_DEFAULTS = { + fontStyle: 'normal', + fontWeight: 'normal', + fillColor: '#000000' +}; + +var convertImgDataToPng = (function convertImgDataToPngClosure() { + var PNG_HEADER = + new Uint8Array([0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a]); + + var CHUNK_WRAPPER_SIZE = 12; + + var crcTable = new Int32Array(256); + for (var i = 0; i < 256; i++) { + var c = i; + for (var h = 0; h < 8; h++) { + if (c & 1) { + c = 0xedB88320 ^ ((c >> 1) & 0x7fffffff); + } else { + c = (c >> 1) & 0x7fffffff; + } + } + crcTable[i] = c; + } + + function crc32(data, start, end) { + var crc = -1; + for (var i = start; i < end; i++) { + var a = (crc ^ data[i]) & 0xff; + var b = crcTable[a]; + crc = (crc >>> 8) ^ b; + } + return crc ^ -1; + } + + function writePngChunk(type, body, data, offset) { + var p = offset; + var len = body.length; + + data[p] = len >> 24 & 0xff; + data[p + 1] = len >> 16 & 0xff; + data[p + 2] = len >> 8 & 0xff; + data[p + 3] = len & 0xff; + p += 4; + + data[p] = type.charCodeAt(0) & 0xff; + data[p + 1] = type.charCodeAt(1) & 0xff; + data[p + 2] = type.charCodeAt(2) & 0xff; + data[p + 3] = type.charCodeAt(3) & 0xff; + p += 4; + + data.set(body, p); + p += body.length; + + var crc = crc32(data, offset + 4, p); + + data[p] = crc >> 24 & 0xff; + data[p + 1] = crc >> 16 & 0xff; + data[p + 2] = crc >> 8 & 0xff; + data[p + 3] = crc & 0xff; + } + + function adler32(data, start, end) { + var a = 1; + var b = 0; + for (var i = start; i < end; ++i) { + a = (a + (data[i] & 0xff)) % 65521; + b = (b + a) % 65521; + } + return (b << 16) | a; + } + + function encode(imgData, kind) { + var width = imgData.width; + var height = imgData.height; + var bitDepth, colorType, lineSize; + var bytes = imgData.data; + + switch (kind) { + case ImageKind.GRAYSCALE_1BPP: + colorType = 0; + bitDepth = 1; + lineSize = (width + 7) >> 3; + break; + case ImageKind.RGB_24BPP: + colorType = 2; + bitDepth = 8; + lineSize = width * 3; + break; + case ImageKind.RGBA_32BPP: + colorType = 6; + bitDepth = 8; + lineSize = width * 4; + break; + default: + throw new Error('invalid format'); + } + + // prefix every row with predictor 0 + var literals = new Uint8Array((1 + lineSize) * height); + var offsetLiterals = 0, offsetBytes = 0; + var y, i; + for (y = 0; y < height; ++y) { + literals[offsetLiterals++] = 0; // no prediction + literals.set(bytes.subarray(offsetBytes, offsetBytes + lineSize), + offsetLiterals); + offsetBytes += lineSize; + offsetLiterals += lineSize; + } + + if (kind === ImageKind.GRAYSCALE_1BPP) { + // inverting for B/W + offsetLiterals = 0; + for (y = 0; y < height; y++) { + offsetLiterals++; // skipping predictor + for (i = 0; i < lineSize; i++) { + literals[offsetLiterals++] ^= 0xFF; + } + } + } + + var ihdr = new Uint8Array([ + width >> 24 & 0xff, + width >> 16 & 0xff, + width >> 8 & 0xff, + width & 0xff, + height >> 24 & 0xff, + height >> 16 & 0xff, + height >> 8 & 0xff, + height & 0xff, + bitDepth, // bit depth + colorType, // color type + 0x00, // compression method + 0x00, // filter method + 0x00 // interlace method + ]); + + var len = literals.length; + var maxBlockLength = 0xFFFF; + + var deflateBlocks = Math.ceil(len / maxBlockLength); + var idat = new Uint8Array(2 + len + deflateBlocks * 5 + 4); + var pi = 0; + idat[pi++] = 0x78; // compression method and flags + idat[pi++] = 0x9c; // flags + + var pos = 0; + while (len > maxBlockLength) { + // writing non-final DEFLATE blocks type 0 and length of 65535 + idat[pi++] = 0x00; + idat[pi++] = 0xff; + idat[pi++] = 0xff; + idat[pi++] = 0x00; + idat[pi++] = 0x00; + idat.set(literals.subarray(pos, pos + maxBlockLength), pi); + pi += maxBlockLength; + pos += maxBlockLength; + len -= maxBlockLength; + } + + // writing non-final DEFLATE blocks type 0 + idat[pi++] = 0x01; + idat[pi++] = len & 0xff; + idat[pi++] = len >> 8 & 0xff; + idat[pi++] = (~len & 0xffff) & 0xff; + idat[pi++] = (~len & 0xffff) >> 8 & 0xff; + idat.set(literals.subarray(pos), pi); + pi += literals.length - pos; + + var adler = adler32(literals, 0, literals.length); // checksum + idat[pi++] = adler >> 24 & 0xff; + idat[pi++] = adler >> 16 & 0xff; + idat[pi++] = adler >> 8 & 0xff; + idat[pi++] = adler & 0xff; + + // PNG will consists: header, IHDR+data, IDAT+data, and IEND. + var pngLength = PNG_HEADER.length + (CHUNK_WRAPPER_SIZE * 3) + + ihdr.length + idat.length; + var data = new Uint8Array(pngLength); + var offset = 0; + data.set(PNG_HEADER, offset); + offset += PNG_HEADER.length; + writePngChunk('IHDR', ihdr, data, offset); + offset += CHUNK_WRAPPER_SIZE + ihdr.length; + writePngChunk('IDATA', idat, data, offset); + offset += CHUNK_WRAPPER_SIZE + idat.length; + writePngChunk('IEND', new Uint8Array(0), data, offset); + + return PDFJS.createObjectURL(data, 'image/png'); + } + + return function convertImgDataToPng(imgData) { + var kind = (imgData.kind === undefined ? + ImageKind.GRAYSCALE_1BPP : imgData.kind); + return encode(imgData, kind); + }; +})(); + +var SVGExtraState = (function SVGExtraStateClosure() { + function SVGExtraState() { + this.fontSizeScale = 1; + this.fontWeight = SVG_DEFAULTS.fontWeight; + this.fontSize = 0; + + this.textMatrix = IDENTITY_MATRIX; + this.fontMatrix = FONT_IDENTITY_MATRIX; + this.leading = 0; + + // Current point (in user coordinates) + this.x = 0; + this.y = 0; + + // Start of text line (in text coordinates) + this.lineX = 0; + this.lineY = 0; + + // Character and word spacing + this.charSpacing = 0; + this.wordSpacing = 0; + this.textHScale = 1; + this.textRise = 0; + + // Default foreground and background colors + this.fillColor = SVG_DEFAULTS.fillColor; + this.strokeColor = '#000000'; + + this.fillAlpha = 1; + this.strokeAlpha = 1; + this.lineWidth = 1; + this.lineJoin = ''; + this.lineCap = ''; + this.miterLimit = 0; + + this.dashArray = []; + this.dashPhase = 0; + + this.dependencies = []; + + // Clipping + this.clipId = ''; + this.pendingClip = false; + + this.maskId = ''; + } + + SVGExtraState.prototype = { + clone: function SVGExtraState_clone() { + return Object.create(this); + }, + setCurrentPoint: function SVGExtraState_setCurrentPoint(x, y) { + this.x = x; + this.y = y; + } + }; + return SVGExtraState; +})(); + +var SVGGraphics = (function SVGGraphicsClosure() { + function createScratchSVG(width, height) { + var NS = 'http://www.w3.org/2000/svg'; + var svg = document.createElementNS(NS, 'svg:svg'); + svg.setAttributeNS(null, 'version', '1.1'); + svg.setAttributeNS(null, 'width', width + 'px'); + svg.setAttributeNS(null, 'height', height + 'px'); + svg.setAttributeNS(null, 'viewBox', '0 0 ' + width + ' ' + height); + return svg; + } + + function opListToTree(opList) { + var opTree = []; + var tmp = []; + var opListLen = opList.length; + + for (var x = 0; x < opListLen; x++) { + if (opList[x].fn === 'save') { + opTree.push({'fnId': 92, 'fn': 'group', 'items': []}); + tmp.push(opTree); + opTree = opTree[opTree.length - 1].items; + continue; + } + + if(opList[x].fn === 'restore') { + opTree = tmp.pop(); + } else { + opTree.push(opList[x]); + } + } + return opTree; + } + + /** + * Formats float number. + * @param value {number} number to format. + * @returns {string} + */ + function pf(value) { + if (value === (value | 0)) { // integer number + return value.toString(); + } + var s = value.toFixed(10); + var i = s.length - 1; + if (s[i] !== '0') { + return s; + } + // removing trailing zeros + do { + i--; + } while (s[i] === '0'); + return s.substr(0, s[i] === '.' ? i : i + 1); + } + + /** + * Formats transform matrix. The standard rotation, scale and translate + * matrices are replaced by their shorter forms, and for identity matrix + * returns empty string to save the memory. + * @param m {Array} matrix to format. + * @returns {string} + */ + function pm(m) { + if (m[4] === 0 && m[5] === 0) { + if (m[1] === 0 && m[2] === 0) { + if (m[0] === 1 && m[3] === 1) { + return ''; + } + return 'scale(' + pf(m[0]) + ' ' + pf(m[3]) + ')'; + } + if (m[0] === m[3] && m[1] === -m[2]) { + var a = Math.acos(m[0]) * 180 / Math.PI; + return 'rotate(' + pf(a) + ')'; + } + } else { + if (m[0] === 1 && m[1] === 0 && m[2] === 0 && m[3] === 1) { + return 'translate(' + pf(m[4]) + ' ' + pf(m[5]) + ')'; + } + } + return 'matrix(' + pf(m[0]) + ' ' + pf(m[1]) + ' ' + pf(m[2]) + ' ' + + pf(m[3]) + ' ' + pf(m[4]) + ' ' + pf(m[5]) + ')'; + } + + function SVGGraphics(commonObjs, objs) { + this.current = new SVGExtraState(); + this.transformMatrix = IDENTITY_MATRIX; // Graphics state matrix + this.transformStack = []; + this.extraStack = []; + this.commonObjs = commonObjs; + this.objs = objs; + this.pendingEOFill = false; + + this.embedFonts = false; + this.embeddedFonts = {}; + this.cssStyle = null; + } + + var NS = 'http://www.w3.org/2000/svg'; + var XML_NS = 'http://www.w3.org/XML/1998/namespace'; + var XLINK_NS = 'http://www.w3.org/1999/xlink'; + var LINE_CAP_STYLES = ['butt', 'round', 'square']; + var LINE_JOIN_STYLES = ['miter', 'round', 'bevel']; + var clipCount = 0; + var maskCount = 0; + + SVGGraphics.prototype = { + save: function SVGGraphics_save() { + this.transformStack.push(this.transformMatrix); + var old = this.current; + this.extraStack.push(old); + this.current = old.clone(); + }, + + restore: function SVGGraphics_restore() { + this.transformMatrix = this.transformStack.pop(); + this.current = this.extraStack.pop(); + + this.tgrp = document.createElementNS(NS, 'svg:g'); + this.tgrp.setAttributeNS(null, 'transform', pm(this.transformMatrix)); + this.pgrp.appendChild(this.tgrp); + }, + + group: function SVGGraphics_group(items) { + this.save(); + this.executeOpTree(items); + this.restore(); + }, + + loadDependencies: function SVGGraphics_loadDependencies(operatorList) { + var fnArray = operatorList.fnArray; + var fnArrayLen = fnArray.length; + var argsArray = operatorList.argsArray; + + var self = this; + for (var i = 0; i < fnArrayLen; i++) { + if (OPS.dependency === fnArray[i]) { + var deps = argsArray[i]; + for (var n = 0, nn = deps.length; n < nn; n++) { + var obj = deps[n]; + var common = obj.substring(0, 2) === 'g_'; + var promise; + if (common) { + promise = new Promise(function(resolve) { + self.commonObjs.get(obj, resolve); + }); + } else { + promise = new Promise(function(resolve) { + self.objs.get(obj, resolve); + }); + } + this.current.dependencies.push(promise); + } + } + } + return Promise.all(this.current.dependencies); + }, + + transform: function SVGGraphics_transform(a, b, c, d, e, f) { + var transformMatrix = [a, b, c, d, e, f]; + this.transformMatrix = PDFJS.Util.transform(this.transformMatrix, + transformMatrix); + + this.tgrp = document.createElementNS(NS, 'svg:g'); + this.tgrp.setAttributeNS(null, 'transform', pm(this.transformMatrix)); + }, + + getSVG: function SVGGraphics_getSVG(operatorList, viewport) { + this.svg = createScratchSVG(viewport.width, viewport.height); + this.viewport = viewport; + + return this.loadDependencies(operatorList).then(function () { + this.transformMatrix = IDENTITY_MATRIX; + this.pgrp = document.createElementNS(NS, 'svg:g'); // Parent group + this.pgrp.setAttributeNS(null, 'transform', pm(viewport.transform)); + this.tgrp = document.createElementNS(NS, 'svg:g'); // Transform group + this.tgrp.setAttributeNS(null, 'transform', pm(this.transformMatrix)); + this.defs = document.createElementNS(NS, 'svg:defs'); + this.pgrp.appendChild(this.defs); + this.pgrp.appendChild(this.tgrp); + this.svg.appendChild(this.pgrp); + var opTree = this.convertOpList(operatorList); + this.executeOpTree(opTree); + return this.svg; + }.bind(this)); + }, + + convertOpList: function SVGGraphics_convertOpList(operatorList) { + var argsArray = operatorList.argsArray; + var fnArray = operatorList.fnArray; + var fnArrayLen = fnArray.length; + var REVOPS = []; + var opList = []; + + for (var op in OPS) { + REVOPS[OPS[op]] = op; + } + + for (var x = 0; x < fnArrayLen; x++) { + var fnId = fnArray[x]; + opList.push({'fnId' : fnId, 'fn': REVOPS[fnId], 'args': argsArray[x]}); + } + return opListToTree(opList); + }, + + executeOpTree: function SVGGraphics_executeOpTree(opTree) { + var opTreeLen = opTree.length; + for(var x = 0; x < opTreeLen; x++) { + var fn = opTree[x].fn; + var fnId = opTree[x].fnId; + var args = opTree[x].args; + + switch (fnId | 0) { + case OPS.beginText: + this.beginText(); + break; + case OPS.setLeading: + this.setLeading(args); + break; + case OPS.setLeadingMoveText: + this.setLeadingMoveText(args[0], args[1]); + break; + case OPS.setFont: + this.setFont(args); + break; + case OPS.showText: + this.showText(args[0]); + break; + case OPS.showSpacedText: + this.showText(args[0]); + break; + case OPS.endText: + this.endText(); + break; + case OPS.moveText: + this.moveText(args[0], args[1]); + break; + case OPS.setCharSpacing: + this.setCharSpacing(args[0]); + break; + case OPS.setWordSpacing: + this.setWordSpacing(args[0]); + break; + case OPS.setHScale: + this.setHScale(args[0]); + break; + case OPS.setTextMatrix: + this.setTextMatrix(args[0], args[1], args[2], + args[3], args[4], args[5]); + break; + case OPS.setLineWidth: + this.setLineWidth(args[0]); + break; + case OPS.setLineJoin: + this.setLineJoin(args[0]); + break; + case OPS.setLineCap: + this.setLineCap(args[0]); + break; + case OPS.setMiterLimit: + this.setMiterLimit(args[0]); + break; + case OPS.setFillRGBColor: + this.setFillRGBColor(args[0], args[1], args[2]); + break; + case OPS.setStrokeRGBColor: + this.setStrokeRGBColor(args[0], args[1], args[2]); + break; + case OPS.setDash: + this.setDash(args[0], args[1]); + break; + case OPS.setGState: + this.setGState(args[0]); + break; + case OPS.fill: + this.fill(); + break; + case OPS.eoFill: + this.eoFill(); + break; + case OPS.stroke: + this.stroke(); + break; + case OPS.fillStroke: + this.fillStroke(); + break; + case OPS.eoFillStroke: + this.eoFillStroke(); + break; + case OPS.clip: + this.clip('nonzero'); + break; + case OPS.eoClip: + this.clip('evenodd'); + break; + case OPS.paintSolidColorImageMask: + this.paintSolidColorImageMask(); + break; + case OPS.paintJpegXObject: + this.paintJpegXObject(args[0], args[1], args[2]); + break; + case OPS.paintImageXObject: + this.paintImageXObject(args[0]); + break; + case OPS.paintInlineImageXObject: + this.paintInlineImageXObject(args[0]); + break; + case OPS.paintImageMaskXObject: + this.paintImageMaskXObject(args[0]); + break; + case OPS.paintFormXObjectBegin: + this.paintFormXObjectBegin(args[0], args[1]); + break; + case OPS.paintFormXObjectEnd: + this.paintFormXObjectEnd(); + break; + case OPS.closePath: + this.closePath(); + break; + case OPS.closeStroke: + this.closeStroke(); + break; + case OPS.closeFillStroke: + this.closeFillStroke(); + break; + case OPS.nextLine: + this.nextLine(); + break; + case OPS.transform: + this.transform(args[0], args[1], args[2], args[3], + args[4], args[5]); + break; + case OPS.constructPath: + this.constructPath(args[0], args[1]); + break; + case OPS.endPath: + this.endPath(); + break; + case 92: + this.group(opTree[x].items); + break; + default: + warn('Unimplemented method '+ fn); + break; + } + } + }, + + setWordSpacing: function SVGGraphics_setWordSpacing(wordSpacing) { + this.current.wordSpacing = wordSpacing; + }, + + setCharSpacing: function SVGGraphics_setCharSpacing(charSpacing) { + this.current.charSpacing = charSpacing; + }, + + nextLine: function SVGGraphics_nextLine() { + this.moveText(0, this.current.leading); + }, + + setTextMatrix: function SVGGraphics_setTextMatrix(a, b, c, d, e, f) { + var current = this.current; + this.current.textMatrix = this.current.lineMatrix = [a, b, c, d, e, f]; + + this.current.x = this.current.lineX = 0; + this.current.y = this.current.lineY = 0; + + current.xcoords = []; + current.tspan = document.createElementNS(NS, 'svg:tspan'); + current.tspan.setAttributeNS(null, 'font-family', current.fontFamily); + current.tspan.setAttributeNS(null, 'font-size', + pf(current.fontSize) + 'px'); + current.tspan.setAttributeNS(null, 'y', pf(-current.y)); + + current.txtElement = document.createElementNS(NS, 'svg:text'); + current.txtElement.appendChild(current.tspan); + }, + + beginText: function SVGGraphics_beginText() { + this.current.x = this.current.lineX = 0; + this.current.y = this.current.lineY = 0; + this.current.textMatrix = IDENTITY_MATRIX; + this.current.lineMatrix = IDENTITY_MATRIX; + this.current.tspan = document.createElementNS(NS, 'svg:tspan'); + this.current.txtElement = document.createElementNS(NS, 'svg:text'); + this.current.txtgrp = document.createElementNS(NS, 'svg:g'); + this.current.xcoords = []; + }, + + moveText: function SVGGraphics_moveText(x, y) { + var current = this.current; + this.current.x = this.current.lineX += x; + this.current.y = this.current.lineY += y; + + current.xcoords = []; + current.tspan = document.createElementNS(NS, 'svg:tspan'); + current.tspan.setAttributeNS(null, 'font-family', current.fontFamily); + current.tspan.setAttributeNS(null, 'font-size', + pf(current.fontSize) + 'px'); + current.tspan.setAttributeNS(null, 'y', pf(-current.y)); + }, + + showText: function SVGGraphics_showText(glyphs) { + var current = this.current; + var font = current.font; + var fontSize = current.fontSize; + + if (fontSize === 0) { + return; + } + + var charSpacing = current.charSpacing; + var wordSpacing = current.wordSpacing; + var fontDirection = current.fontDirection; + var textHScale = current.textHScale * fontDirection; + var glyphsLength = glyphs.length; + var vertical = font.vertical; + var widthAdvanceScale = fontSize * current.fontMatrix[0]; + + var x = 0, i; + for (i = 0; i < glyphsLength; ++i) { + var glyph = glyphs[i]; + if (glyph === null) { + // word break + x += fontDirection * wordSpacing; + continue; + } else if (isNum(glyph)) { + x += -glyph * fontSize * 0.001; + continue; + } + current.xcoords.push(current.x + x * textHScale); + + var width = glyph.width; + var character = glyph.fontChar; + var charWidth = width * widthAdvanceScale + charSpacing * fontDirection; + x += charWidth; + + current.tspan.textContent += character; + } + if (vertical) { + current.y -= x * textHScale; + } else { + current.x += x * textHScale; + } + + current.tspan.setAttributeNS(null, 'x', + current.xcoords.map(pf).join(' ')); + current.tspan.setAttributeNS(null, 'y', pf(-current.y)); + current.tspan.setAttributeNS(null, 'font-family', current.fontFamily); + current.tspan.setAttributeNS(null, 'font-size', + pf(current.fontSize) + 'px'); + if (current.fontStyle !== SVG_DEFAULTS.fontStyle) { + current.tspan.setAttributeNS(null, 'font-style', current.fontStyle); + } + if (current.fontWeight !== SVG_DEFAULTS.fontWeight) { + current.tspan.setAttributeNS(null, 'font-weight', current.fontWeight); + } + if (current.fillColor !== SVG_DEFAULTS.fillColor) { + current.tspan.setAttributeNS(null, 'fill', current.fillColor); + } + + current.txtElement.setAttributeNS(null, 'transform', + pm(current.textMatrix) + + ' scale(1, -1)' ); + current.txtElement.setAttributeNS(XML_NS, 'xml:space', 'preserve'); + current.txtElement.appendChild(current.tspan); + current.txtgrp.appendChild(current.txtElement); + + this.tgrp.appendChild(current.txtElement); + + }, + + setLeadingMoveText: function SVGGraphics_setLeadingMoveText(x, y) { + this.setLeading(-y); + this.moveText(x, y); + }, + + addFontStyle: function SVGGraphics_addFontStyle(fontObj) { + if (!this.cssStyle) { + this.cssStyle = document.createElementNS(NS, 'svg:style'); + this.cssStyle.setAttributeNS(null, 'type', 'text/css'); + this.defs.appendChild(this.cssStyle); + } + + var url = PDFJS.createObjectURL(fontObj.data, fontObj.mimetype); + this.cssStyle.textContent += + '@font-face { font-family: "' + fontObj.loadedName + '";' + + ' src: url(' + url + '); }\n'; + }, + + setFont: function SVGGraphics_setFont(details) { + var current = this.current; + var fontObj = this.commonObjs.get(details[0]); + var size = details[1]; + this.current.font = fontObj; + + if (this.embedFonts && fontObj.data && + !this.embeddedFonts[fontObj.loadedName]) { + this.addFontStyle(fontObj); + this.embeddedFonts[fontObj.loadedName] = fontObj; + } + + current.fontMatrix = (fontObj.fontMatrix ? + fontObj.fontMatrix : FONT_IDENTITY_MATRIX); + + var bold = fontObj.black ? (fontObj.bold ? 'bolder' : 'bold') : + (fontObj.bold ? 'bold' : 'normal'); + var italic = fontObj.italic ? 'italic' : 'normal'; + + if (size < 0) { + size = -size; + current.fontDirection = -1; + } else { + current.fontDirection = 1; + } + current.fontSize = size; + current.fontFamily = fontObj.loadedName; + current.fontWeight = bold; + current.fontStyle = italic; + + current.tspan = document.createElementNS(NS, 'svg:tspan'); + current.tspan.setAttributeNS(null, 'y', pf(-current.y)); + current.xcoords = []; + }, + + endText: function SVGGraphics_endText() { + if (this.current.pendingClip) { + this.cgrp.appendChild(this.tgrp); + this.pgrp.appendChild(this.cgrp); + } else { + this.pgrp.appendChild(this.tgrp); + } + this.tgrp = document.createElementNS(NS, 'svg:g'); + this.tgrp.setAttributeNS(null, 'transform', pm(this.transformMatrix)); + }, + + // Path properties + setLineWidth: function SVGGraphics_setLineWidth(width) { + this.current.lineWidth = width; + }, + setLineCap: function SVGGraphics_setLineCap(style) { + this.current.lineCap = LINE_CAP_STYLES[style]; + }, + setLineJoin: function SVGGraphics_setLineJoin(style) { + this.current.lineJoin = LINE_JOIN_STYLES[style]; + }, + setMiterLimit: function SVGGraphics_setMiterLimit(limit) { + this.current.miterLimit = limit; + }, + setStrokeRGBColor: function SVGGraphics_setStrokeRGBColor(r, g, b) { + var color = Util.makeCssRgb(r, g, b); + this.current.strokeColor = color; + }, + setFillRGBColor: function SVGGraphics_setFillRGBColor(r, g, b) { + var color = Util.makeCssRgb(r, g, b); + this.current.fillColor = color; + this.current.tspan = document.createElementNS(NS, 'svg:tspan'); + this.current.xcoords = []; + }, + setDash: function SVGGraphics_setDash(dashArray, dashPhase) { + this.current.dashArray = dashArray; + this.current.dashPhase = dashPhase; + }, + + constructPath: function SVGGraphics_constructPath(ops, args) { + var current = this.current; + var x = current.x, y = current.y; + current.path = document.createElementNS(NS, 'svg:path'); + var d = []; + var opLength = ops.length; + + for (var i = 0, j = 0; i < opLength; i++) { + switch (ops[i] | 0) { + case OPS.rectangle: + x = args[j++]; + y = args[j++]; + var width = args[j++]; + var height = args[j++]; + var xw = x + width; + var yh = y + height; + d.push('M', pf(x), pf(y), 'L', pf(xw) , pf(y), 'L', pf(xw), pf(yh), + 'L', pf(x), pf(yh), 'Z'); + break; + case OPS.moveTo: + x = args[j++]; + y = args[j++]; + d.push('M', pf(x), pf(y)); + break; + case OPS.lineTo: + x = args[j++]; + y = args[j++]; + d.push('L', pf(x) , pf(y)); + break; + case OPS.curveTo: + x = args[j + 4]; + y = args[j + 5]; + d.push('C', pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), + pf(args[j + 3]), pf(x), pf(y)); + j += 6; + break; + case OPS.curveTo2: + x = args[j + 2]; + y = args[j + 3]; + d.push('C', pf(x), pf(y), pf(args[j]), pf(args[j + 1]), + pf(args[j + 2]), pf(args[j + 3])); + j += 4; + break; + case OPS.curveTo3: + x = args[j + 2]; + y = args[j + 3]; + d.push('C', pf(args[j]), pf(args[j + 1]), pf(x), pf(y), + pf(x), pf(y)); + j += 4; + break; + case OPS.closePath: + d.push('Z'); + break; + } + } + current.path.setAttributeNS(null, 'd', d.join(' ')); + current.path.setAttributeNS(null, 'stroke-miterlimit', + pf(current.miterLimit)); + current.path.setAttributeNS(null, 'stroke-linecap', current.lineCap); + current.path.setAttributeNS(null, 'stroke-linejoin', current.lineJoin); + current.path.setAttributeNS(null, 'stroke-width', + pf(current.lineWidth) + 'px'); + current.path.setAttributeNS(null, 'stroke-dasharray', + current.dashArray.map(pf).join(' ')); + current.path.setAttributeNS(null, 'stroke-dashoffset', + pf(current.dashPhase) + 'px'); + current.path.setAttributeNS(null, 'fill', 'none'); + + this.tgrp.appendChild(current.path); + if (current.pendingClip) { + this.cgrp.appendChild(this.tgrp); + this.pgrp.appendChild(this.cgrp); + } else { + this.pgrp.appendChild(this.tgrp); + } + // Saving a reference in current.element so that it can be addressed + // in 'fill' and 'stroke' + current.element = current.path; + current.setCurrentPoint(x, y); + }, + + endPath: function SVGGraphics_endPath() { + var current = this.current; + if (current.pendingClip) { + this.cgrp.appendChild(this.tgrp); + this.pgrp.appendChild(this.cgrp); + } else { + this.pgrp.appendChild(this.tgrp); + } + this.tgrp = document.createElementNS(NS, 'svg:g'); + this.tgrp.setAttributeNS(null, 'transform', pm(this.transformMatrix)); + }, + + clip: function SVGGraphics_clip(type) { + var current = this.current; + // Add current path to clipping path + current.clipId = 'clippath' + clipCount; + clipCount++; + this.clippath = document.createElementNS(NS, 'svg:clipPath'); + this.clippath.setAttributeNS(null, 'id', current.clipId); + var clipElement = current.element.cloneNode(); + if (type === 'evenodd') { + clipElement.setAttributeNS(null, 'clip-rule', 'evenodd'); + } else { + clipElement.setAttributeNS(null, 'clip-rule', 'nonzero'); + } + this.clippath.setAttributeNS(null, 'transform', pm(this.transformMatrix)); + this.clippath.appendChild(clipElement); + this.defs.appendChild(this.clippath); + + // Create a new group with that attribute + current.pendingClip = true; + this.cgrp = document.createElementNS(NS, 'svg:g'); + this.cgrp.setAttributeNS(null, 'clip-path', + 'url(#' + current.clipId + ')'); + this.pgrp.appendChild(this.cgrp); + }, + + closePath: function SVGGraphics_closePath() { + var current = this.current; + var d = current.path.getAttributeNS(null, 'd'); + d += 'Z'; + current.path.setAttributeNS(null, 'd', d); + }, + + setLeading: function SVGGraphics_setLeading(leading) { + this.current.leading = -leading; + }, + + setTextRise: function SVGGraphics_setTextRise(textRise) { + this.current.textRise = textRise; + }, + + setHScale: function SVGGraphics_setHScale(scale) { + this.current.textHScale = scale / 100; + }, + + setGState: function SVGGraphics_setGState(states) { + for (var i = 0, ii = states.length; i < ii; i++) { + var state = states[i]; + var key = state[0]; + var value = state[1]; + + switch (key) { + case 'LW': + this.setLineWidth(value); + break; + case 'LC': + this.setLineCap(value); + break; + case 'LJ': + this.setLineJoin(value); + break; + case 'ML': + this.setMiterLimit(value); + break; + case 'D': + this.setDash(value[0], value[1]); + break; + case 'RI': + break; + case 'FL': + break; + case 'Font': + this.setFont(value); + break; + case 'CA': + break; + case 'ca': + break; + case 'BM': + break; + case 'SMask': + break; + } + } + }, + + fill: function SVGGraphics_fill() { + var current = this.current; + current.element.setAttributeNS(null, 'fill', current.fillColor); + }, + + stroke: function SVGGraphics_stroke() { + var current = this.current; + current.element.setAttributeNS(null, 'stroke', current.strokeColor); + current.element.setAttributeNS(null, 'fill', 'none'); + }, + + eoFill: function SVGGraphics_eoFill() { + var current = this.current; + current.element.setAttributeNS(null, 'fill', current.fillColor); + current.element.setAttributeNS(null, 'fill-rule', 'evenodd'); + }, + + fillStroke: function SVGGraphics_fillStroke() { + // Order is important since stroke wants fill to be none. + // First stroke, then if fill needed, it will be overwritten. + this.stroke(); + this.fill(); + }, + + eoFillStroke: function SVGGraphics_eoFillStroke() { + this.current.element.setAttributeNS(null, 'fill-rule', 'evenodd'); + this.fillStroke(); + }, + + closeStroke: function SVGGraphics_closeStroke() { + this.closePath(); + this.stroke(); + }, + + closeFillStroke: function SVGGraphics_closeFillStroke() { + this.closePath(); + this.fillStroke(); + }, + + paintSolidColorImageMask: + function SVGGraphics_paintSolidColorImageMask() { + var current = this.current; + var rect = document.createElementNS(NS, 'svg:rect'); + rect.setAttributeNS(null, 'x', '0'); + rect.setAttributeNS(null, 'y', '0'); + rect.setAttributeNS(null, 'width', '1px'); + rect.setAttributeNS(null, 'height', '1px'); + rect.setAttributeNS(null, 'fill', current.fillColor); + this.tgrp.appendChild(rect); + }, + + paintJpegXObject: function SVGGraphics_paintJpegXObject(objId, w, h) { + var current = this.current; + var imgObj = this.objs.get(objId); + var imgEl = document.createElementNS(NS, 'svg:image'); + imgEl.setAttributeNS(XLINK_NS, 'xlink:href', imgObj.src); + imgEl.setAttributeNS(null, 'width', imgObj.width + 'px'); + imgEl.setAttributeNS(null, 'height', imgObj.height + 'px'); + imgEl.setAttributeNS(null, 'x', '0'); + imgEl.setAttributeNS(null, 'y', pf(-h)); + imgEl.setAttributeNS(null, 'transform', + 'scale(' + pf(1 / w) + ' ' + pf(-1 / h) + ')'); + + this.tgrp.appendChild(imgEl); + if (current.pendingClip) { + this.cgrp.appendChild(this.tgrp); + this.pgrp.appendChild(this.cgrp); + } else { + this.pgrp.appendChild(this.tgrp); + } + }, + + paintImageXObject: function SVGGraphics_paintImageXObject(objId) { + var imgData = this.objs.get(objId); + if (!imgData) { + warn('Dependent image isn\'t ready yet'); + return; + } + this.paintInlineImageXObject(imgData); + }, + + paintInlineImageXObject: + function SVGGraphics_paintInlineImageXObject(imgData, mask) { + var current = this.current; + var width = imgData.width; + var height = imgData.height; + + var imgSrc = convertImgDataToPng(imgData); + var cliprect = document.createElementNS(NS, 'svg:rect'); + cliprect.setAttributeNS(null, 'x', '0'); + cliprect.setAttributeNS(null, 'y', '0'); + cliprect.setAttributeNS(null, 'width', pf(width)); + cliprect.setAttributeNS(null, 'height', pf(height)); + current.element = cliprect; + this.clip('nonzero'); + var imgEl = document.createElementNS(NS, 'svg:image'); + imgEl.setAttributeNS(XLINK_NS, 'xlink:href', imgSrc); + imgEl.setAttributeNS(null, 'x', '0'); + imgEl.setAttributeNS(null, 'y', pf(-height)); + imgEl.setAttributeNS(null, 'width', pf(width) + 'px'); + imgEl.setAttributeNS(null, 'height', pf(height) + 'px'); + imgEl.setAttributeNS(null, 'transform', + 'scale(' + pf(1 / width) + ' ' + + pf(-1 / height) + ')'); + if (mask) { + mask.appendChild(imgEl); + } else { + this.tgrp.appendChild(imgEl); + } + if (current.pendingClip) { + this.cgrp.appendChild(this.tgrp); + this.pgrp.appendChild(this.cgrp); + } else { + this.pgrp.appendChild(this.tgrp); + } + }, + + paintImageMaskXObject: + function SVGGraphics_paintImageMaskXObject(imgData) { + var current = this.current; + var width = imgData.width; + var height = imgData.height; + var fillColor = current.fillColor; + + current.maskId = 'mask' + maskCount++; + var mask = document.createElementNS(NS, 'svg:mask'); + mask.setAttributeNS(null, 'id', current.maskId); + + var rect = document.createElementNS(NS, 'svg:rect'); + rect.setAttributeNS(null, 'x', '0'); + rect.setAttributeNS(null, 'y', '0'); + rect.setAttributeNS(null, 'width', pf(width)); + rect.setAttributeNS(null, 'height', pf(height)); + rect.setAttributeNS(null, 'fill', fillColor); + rect.setAttributeNS(null, 'mask', 'url(#' + current.maskId +')'); + this.defs.appendChild(mask); + this.tgrp.appendChild(rect); + + this.paintInlineImageXObject(imgData, mask); + }, + + paintFormXObjectBegin: + function SVGGraphics_paintFormXObjectBegin(matrix, bbox) { + this.save(); + + if (isArray(matrix) && matrix.length === 6) { + this.transform(matrix[0], matrix[1], matrix[2], + matrix[3], matrix[4], matrix[5]); + } + + if (isArray(bbox) && bbox.length === 4) { + var width = bbox[2] - bbox[0]; + var height = bbox[3] - bbox[1]; + + var cliprect = document.createElementNS(NS, 'svg:rect'); + cliprect.setAttributeNS(null, 'x', bbox[0]); + cliprect.setAttributeNS(null, 'y', bbox[1]); + cliprect.setAttributeNS(null, 'width', pf(width)); + cliprect.setAttributeNS(null, 'height', pf(height)); + this.current.element = cliprect; + this.clip('nonzero'); + this.endPath(); + } + }, + + paintFormXObjectEnd: + function SVGGraphics_paintFormXObjectEnd() { + this.restore(); + } + }; + return SVGGraphics; +})(); + +PDFJS.SVGGraphics = SVGGraphics; + +exports.SVGGraphics = SVGGraphics; +})); + + +(function (root, factory) { + { + factory((root.pdfjsDisplayTextLayer = {}), root.pdfjsSharedUtil, + root.pdfjsDisplayDOMUtils, root.pdfjsSharedGlobal); + } +}(this, function (exports, sharedUtil, displayDOMUtils, sharedGlobal) { + +var Util = sharedUtil.Util; +var createPromiseCapability = sharedUtil.createPromiseCapability; +var CustomStyle = displayDOMUtils.CustomStyle; +var PDFJS = sharedGlobal.PDFJS; + +/** + * Text layer render parameters. + * + * @typedef {Object} TextLayerRenderParameters + * @property {TextContent} textContent - Text content to render (the object is + * returned by the page's getTextContent() method). + * @property {HTMLElement} container - HTML element that will contain text runs. + * @property {PDFJS.PageViewport} viewport - The target viewport to properly + * layout the text runs. + * @property {Array} textDivs - (optional) HTML elements that are correspond + * the text items of the textContent input. This is output and shall be + * initially be set to empty array. + * @property {number} timeout - (optional) Delay in milliseconds before + * rendering of the text runs occurs. + */ +var renderTextLayer = (function renderTextLayerClosure() { + var MAX_TEXT_DIVS_TO_RENDER = 100000; + + var NonWhitespaceRegexp = /\S/; + + function isAllWhitespace(str) { + return !NonWhitespaceRegexp.test(str); + } + + function appendText(textDivs, viewport, geom, styles) { + var style = styles[geom.fontName]; + var textDiv = document.createElement('div'); + textDivs.push(textDiv); + if (isAllWhitespace(geom.str)) { + textDiv.dataset.isWhitespace = true; + return; + } + var tx = Util.transform(viewport.transform, geom.transform); + var angle = Math.atan2(tx[1], tx[0]); + if (style.vertical) { + angle += Math.PI / 2; + } + var fontHeight = Math.sqrt((tx[2] * tx[2]) + (tx[3] * tx[3])); + var fontAscent = fontHeight; + if (style.ascent) { + fontAscent = style.ascent * fontAscent; + } else if (style.descent) { + fontAscent = (1 + style.descent) * fontAscent; + } + + var left; + var top; + if (angle === 0) { + left = tx[4]; + top = tx[5] - fontAscent; + } else { + left = tx[4] + (fontAscent * Math.sin(angle)); + top = tx[5] - (fontAscent * Math.cos(angle)); + } + textDiv.style.left = left + 'px'; + textDiv.style.top = top + 'px'; + textDiv.style.fontSize = fontHeight + 'px'; + textDiv.style.fontFamily = style.fontFamily; + + textDiv.textContent = geom.str; + // |fontName| is only used by the Font Inspector. This test will succeed + // when e.g. the Font Inspector is off but the Stepper is on, but it's + // not worth the effort to do a more accurate test. + if (PDFJS.pdfBug) { + textDiv.dataset.fontName = geom.fontName; + } + // Storing into dataset will convert number into string. + if (angle !== 0) { + textDiv.dataset.angle = angle * (180 / Math.PI); + } + // We don't bother scaling single-char text divs, because it has very + // little effect on text highlighting. This makes scrolling on docs with + // lots of such divs a lot faster. + if (geom.str.length > 1) { + if (style.vertical) { + textDiv.dataset.canvasWidth = geom.height * viewport.scale; + } else { + textDiv.dataset.canvasWidth = geom.width * viewport.scale; + } + } + } + + function render(task) { + if (task._canceled) { + return; + } + var textLayerFrag = task._container; + var textDivs = task._textDivs; + var capability = task._capability; + var textDivsLength = textDivs.length; + + // No point in rendering many divs as it would make the browser + // unusable even after the divs are rendered. + if (textDivsLength > MAX_TEXT_DIVS_TO_RENDER) { + capability.resolve(); + return; + } + + var canvas = document.createElement('canvas'); + canvas.mozOpaque = true; + var ctx = canvas.getContext('2d', {alpha: false}); + + var lastFontSize; + var lastFontFamily; + for (var i = 0; i < textDivsLength; i++) { + var textDiv = textDivs[i]; + if (textDiv.dataset.isWhitespace !== undefined) { + continue; + } + + var fontSize = textDiv.style.fontSize; + var fontFamily = textDiv.style.fontFamily; + + // Only build font string and set to context if different from last. + if (fontSize !== lastFontSize || fontFamily !== lastFontFamily) { + ctx.font = fontSize + ' ' + fontFamily; + lastFontSize = fontSize; + lastFontFamily = fontFamily; + } + + var width = ctx.measureText(textDiv.textContent).width; + if (width > 0) { + textLayerFrag.appendChild(textDiv); + var transform; + if (textDiv.dataset.canvasWidth !== undefined) { + // Dataset values come of type string. + var textScale = textDiv.dataset.canvasWidth / width; + transform = 'scaleX(' + textScale + ')'; + } else { + transform = ''; + } + var rotation = textDiv.dataset.angle; + if (rotation) { + transform = 'rotate(' + rotation + 'deg) ' + transform; + } + if (transform) { + CustomStyle.setProp('transform' , textDiv, transform); + } + } + } + capability.resolve(); + } + + /** + * Text layer rendering task. + * + * @param {TextContent} textContent + * @param {HTMLElement} container + * @param {PDFJS.PageViewport} viewport + * @param {Array} textDivs + * @private + */ + function TextLayerRenderTask(textContent, container, viewport, textDivs) { + this._textContent = textContent; + this._container = container; + this._viewport = viewport; + textDivs = textDivs || []; + this._textDivs = textDivs; + this._canceled = false; + this._capability = createPromiseCapability(); + this._renderTimer = null; + } + TextLayerRenderTask.prototype = { + get promise() { + return this._capability.promise; + }, + + cancel: function TextLayer_cancel() { + this._canceled = true; + if (this._renderTimer !== null) { + clearTimeout(this._renderTimer); + this._renderTimer = null; + } + this._capability.reject('canceled'); + }, + + _render: function TextLayer_render(timeout) { + var textItems = this._textContent.items; + var styles = this._textContent.styles; + var textDivs = this._textDivs; + var viewport = this._viewport; + for (var i = 0, len = textItems.length; i < len; i++) { + appendText(textDivs, viewport, textItems[i], styles); + } + + if (!timeout) { // Render right away + render(this); + } else { // Schedule + var self = this; + this._renderTimer = setTimeout(function() { + render(self); + self._renderTimer = null; + }, timeout); + } + } + }; + + + /** + * Starts rendering of the text layer. + * + * @param {TextLayerRenderParameters} renderParameters + * @returns {TextLayerRenderTask} + */ + function renderTextLayer(renderParameters) { + var task = new TextLayerRenderTask(renderParameters.textContent, + renderParameters.container, + renderParameters.viewport, + renderParameters.textDivs); + task._render(renderParameters.timeout); + return task; + } + + return renderTextLayer; +})(); + +PDFJS.renderTextLayer = renderTextLayer; + +exports.renderTextLayer = renderTextLayer; +})); + + +(function (root, factory) { + { + factory((root.pdfjsDisplayWebGL = {}), root.pdfjsSharedUtil); + } +}(this, function (exports, sharedUtil) { + +var shadow = sharedUtil.shadow; + +var WebGLUtils = (function WebGLUtilsClosure() { + function loadShader(gl, code, shaderType) { + var shader = gl.createShader(shaderType); + gl.shaderSource(shader, code); + gl.compileShader(shader); + var compiled = gl.getShaderParameter(shader, gl.COMPILE_STATUS); + if (!compiled) { + var errorMsg = gl.getShaderInfoLog(shader); + throw new Error('Error during shader compilation: ' + errorMsg); + } + return shader; + } + function createVertexShader(gl, code) { + return loadShader(gl, code, gl.VERTEX_SHADER); + } + function createFragmentShader(gl, code) { + return loadShader(gl, code, gl.FRAGMENT_SHADER); + } + function createProgram(gl, shaders) { + var program = gl.createProgram(); + for (var i = 0, ii = shaders.length; i < ii; ++i) { + gl.attachShader(program, shaders[i]); + } + gl.linkProgram(program); + var linked = gl.getProgramParameter(program, gl.LINK_STATUS); + if (!linked) { + var errorMsg = gl.getProgramInfoLog(program); + throw new Error('Error during program linking: ' + errorMsg); + } + return program; + } + function createTexture(gl, image, textureId) { + gl.activeTexture(textureId); + var texture = gl.createTexture(); + gl.bindTexture(gl.TEXTURE_2D, texture); + + // Set the parameters so we can render any size image. + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); + + // Upload the image into the texture. + gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image); + return texture; + } + + var currentGL, currentCanvas; + function generateGL() { + if (currentGL) { + return; + } + currentCanvas = document.createElement('canvas'); + currentGL = currentCanvas.getContext('webgl', + { premultipliedalpha: false }); + } + + var smaskVertexShaderCode = '\ + attribute vec2 a_position; \ + attribute vec2 a_texCoord; \ + \ + uniform vec2 u_resolution; \ + \ + varying vec2 v_texCoord; \ + \ + void main() { \ + vec2 clipSpace = (a_position / u_resolution) * 2.0 - 1.0; \ + gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \ + \ + v_texCoord = a_texCoord; \ + } '; + + var smaskFragmentShaderCode = '\ + precision mediump float; \ + \ + uniform vec4 u_backdrop; \ + uniform int u_subtype; \ + uniform sampler2D u_image; \ + uniform sampler2D u_mask; \ + \ + varying vec2 v_texCoord; \ + \ + void main() { \ + vec4 imageColor = texture2D(u_image, v_texCoord); \ + vec4 maskColor = texture2D(u_mask, v_texCoord); \ + if (u_backdrop.a > 0.0) { \ + maskColor.rgb = maskColor.rgb * maskColor.a + \ + u_backdrop.rgb * (1.0 - maskColor.a); \ + } \ + float lum; \ + if (u_subtype == 0) { \ + lum = maskColor.a; \ + } else { \ + lum = maskColor.r * 0.3 + maskColor.g * 0.59 + \ + maskColor.b * 0.11; \ + } \ + imageColor.a *= lum; \ + imageColor.rgb *= imageColor.a; \ + gl_FragColor = imageColor; \ + } '; + + var smaskCache = null; + + function initSmaskGL() { + var canvas, gl; + + generateGL(); + canvas = currentCanvas; + currentCanvas = null; + gl = currentGL; + currentGL = null; + + // setup a GLSL program + var vertexShader = createVertexShader(gl, smaskVertexShaderCode); + var fragmentShader = createFragmentShader(gl, smaskFragmentShaderCode); + var program = createProgram(gl, [vertexShader, fragmentShader]); + gl.useProgram(program); + + var cache = {}; + cache.gl = gl; + cache.canvas = canvas; + cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution'); + cache.positionLocation = gl.getAttribLocation(program, 'a_position'); + cache.backdropLocation = gl.getUniformLocation(program, 'u_backdrop'); + cache.subtypeLocation = gl.getUniformLocation(program, 'u_subtype'); + + var texCoordLocation = gl.getAttribLocation(program, 'a_texCoord'); + var texLayerLocation = gl.getUniformLocation(program, 'u_image'); + var texMaskLocation = gl.getUniformLocation(program, 'u_mask'); + + // provide texture coordinates for the rectangle. + var texCoordBuffer = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, texCoordBuffer); + gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ + 0.0, 0.0, + 1.0, 0.0, + 0.0, 1.0, + 0.0, 1.0, + 1.0, 0.0, + 1.0, 1.0]), gl.STATIC_DRAW); + gl.enableVertexAttribArray(texCoordLocation); + gl.vertexAttribPointer(texCoordLocation, 2, gl.FLOAT, false, 0, 0); + + gl.uniform1i(texLayerLocation, 0); + gl.uniform1i(texMaskLocation, 1); + + smaskCache = cache; + } + + function composeSMask(layer, mask, properties) { + var width = layer.width, height = layer.height; + + if (!smaskCache) { + initSmaskGL(); + } + var cache = smaskCache,canvas = cache.canvas, gl = cache.gl; + canvas.width = width; + canvas.height = height; + gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight); + gl.uniform2f(cache.resolutionLocation, width, height); + + if (properties.backdrop) { + gl.uniform4f(cache.resolutionLocation, properties.backdrop[0], + properties.backdrop[1], properties.backdrop[2], 1); + } else { + gl.uniform4f(cache.resolutionLocation, 0, 0, 0, 0); + } + gl.uniform1i(cache.subtypeLocation, + properties.subtype === 'Luminosity' ? 1 : 0); + + // Create a textures + var texture = createTexture(gl, layer, gl.TEXTURE0); + var maskTexture = createTexture(gl, mask, gl.TEXTURE1); + + + // Create a buffer and put a single clipspace rectangle in + // it (2 triangles) + var buffer = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, buffer); + gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ + 0, 0, + width, 0, + 0, height, + 0, height, + width, 0, + width, height]), gl.STATIC_DRAW); + gl.enableVertexAttribArray(cache.positionLocation); + gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0); + + // draw + gl.clearColor(0, 0, 0, 0); + gl.enable(gl.BLEND); + gl.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA); + gl.clear(gl.COLOR_BUFFER_BIT); + + gl.drawArrays(gl.TRIANGLES, 0, 6); + + gl.flush(); + + gl.deleteTexture(texture); + gl.deleteTexture(maskTexture); + gl.deleteBuffer(buffer); + + return canvas; + } + + var figuresVertexShaderCode = '\ + attribute vec2 a_position; \ + attribute vec3 a_color; \ + \ + uniform vec2 u_resolution; \ + uniform vec2 u_scale; \ + uniform vec2 u_offset; \ + \ + varying vec4 v_color; \ + \ + void main() { \ + vec2 position = (a_position + u_offset) * u_scale; \ + vec2 clipSpace = (position / u_resolution) * 2.0 - 1.0; \ + gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \ + \ + v_color = vec4(a_color / 255.0, 1.0); \ + } '; + + var figuresFragmentShaderCode = '\ + precision mediump float; \ + \ + varying vec4 v_color; \ + \ + void main() { \ + gl_FragColor = v_color; \ + } '; + + var figuresCache = null; + + function initFiguresGL() { + var canvas, gl; + + generateGL(); + canvas = currentCanvas; + currentCanvas = null; + gl = currentGL; + currentGL = null; + + // setup a GLSL program + var vertexShader = createVertexShader(gl, figuresVertexShaderCode); + var fragmentShader = createFragmentShader(gl, figuresFragmentShaderCode); + var program = createProgram(gl, [vertexShader, fragmentShader]); + gl.useProgram(program); + + var cache = {}; + cache.gl = gl; + cache.canvas = canvas; + cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution'); + cache.scaleLocation = gl.getUniformLocation(program, 'u_scale'); + cache.offsetLocation = gl.getUniformLocation(program, 'u_offset'); + cache.positionLocation = gl.getAttribLocation(program, 'a_position'); + cache.colorLocation = gl.getAttribLocation(program, 'a_color'); + + figuresCache = cache; + } + + function drawFigures(width, height, backgroundColor, figures, context) { + if (!figuresCache) { + initFiguresGL(); + } + var cache = figuresCache, canvas = cache.canvas, gl = cache.gl; + + canvas.width = width; + canvas.height = height; + gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight); + gl.uniform2f(cache.resolutionLocation, width, height); + + // count triangle points + var count = 0; + var i, ii, rows; + for (i = 0, ii = figures.length; i < ii; i++) { + switch (figures[i].type) { + case 'lattice': + rows = (figures[i].coords.length / figures[i].verticesPerRow) | 0; + count += (rows - 1) * (figures[i].verticesPerRow - 1) * 6; + break; + case 'triangles': + count += figures[i].coords.length; + break; + } + } + // transfer data + var coords = new Float32Array(count * 2); + var colors = new Uint8Array(count * 3); + var coordsMap = context.coords, colorsMap = context.colors; + var pIndex = 0, cIndex = 0; + for (i = 0, ii = figures.length; i < ii; i++) { + var figure = figures[i], ps = figure.coords, cs = figure.colors; + switch (figure.type) { + case 'lattice': + var cols = figure.verticesPerRow; + rows = (ps.length / cols) | 0; + for (var row = 1; row < rows; row++) { + var offset = row * cols + 1; + for (var col = 1; col < cols; col++, offset++) { + coords[pIndex] = coordsMap[ps[offset - cols - 1]]; + coords[pIndex + 1] = coordsMap[ps[offset - cols - 1] + 1]; + coords[pIndex + 2] = coordsMap[ps[offset - cols]]; + coords[pIndex + 3] = coordsMap[ps[offset - cols] + 1]; + coords[pIndex + 4] = coordsMap[ps[offset - 1]]; + coords[pIndex + 5] = coordsMap[ps[offset - 1] + 1]; + colors[cIndex] = colorsMap[cs[offset - cols - 1]]; + colors[cIndex + 1] = colorsMap[cs[offset - cols - 1] + 1]; + colors[cIndex + 2] = colorsMap[cs[offset - cols - 1] + 2]; + colors[cIndex + 3] = colorsMap[cs[offset - cols]]; + colors[cIndex + 4] = colorsMap[cs[offset - cols] + 1]; + colors[cIndex + 5] = colorsMap[cs[offset - cols] + 2]; + colors[cIndex + 6] = colorsMap[cs[offset - 1]]; + colors[cIndex + 7] = colorsMap[cs[offset - 1] + 1]; + colors[cIndex + 8] = colorsMap[cs[offset - 1] + 2]; + + coords[pIndex + 6] = coords[pIndex + 2]; + coords[pIndex + 7] = coords[pIndex + 3]; + coords[pIndex + 8] = coords[pIndex + 4]; + coords[pIndex + 9] = coords[pIndex + 5]; + coords[pIndex + 10] = coordsMap[ps[offset]]; + coords[pIndex + 11] = coordsMap[ps[offset] + 1]; + colors[cIndex + 9] = colors[cIndex + 3]; + colors[cIndex + 10] = colors[cIndex + 4]; + colors[cIndex + 11] = colors[cIndex + 5]; + colors[cIndex + 12] = colors[cIndex + 6]; + colors[cIndex + 13] = colors[cIndex + 7]; + colors[cIndex + 14] = colors[cIndex + 8]; + colors[cIndex + 15] = colorsMap[cs[offset]]; + colors[cIndex + 16] = colorsMap[cs[offset] + 1]; + colors[cIndex + 17] = colorsMap[cs[offset] + 2]; + pIndex += 12; + cIndex += 18; + } + } + break; + case 'triangles': + for (var j = 0, jj = ps.length; j < jj; j++) { + coords[pIndex] = coordsMap[ps[j]]; + coords[pIndex + 1] = coordsMap[ps[j] + 1]; + colors[cIndex] = colorsMap[cs[j]]; + colors[cIndex + 1] = colorsMap[cs[j] + 1]; + colors[cIndex + 2] = colorsMap[cs[j] + 2]; + pIndex += 2; + cIndex += 3; + } + break; + } + } + + // draw + if (backgroundColor) { + gl.clearColor(backgroundColor[0] / 255, backgroundColor[1] / 255, + backgroundColor[2] / 255, 1.0); + } else { + gl.clearColor(0, 0, 0, 0); + } + gl.clear(gl.COLOR_BUFFER_BIT); + + var coordsBuffer = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, coordsBuffer); + gl.bufferData(gl.ARRAY_BUFFER, coords, gl.STATIC_DRAW); + gl.enableVertexAttribArray(cache.positionLocation); + gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0); + + var colorsBuffer = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, colorsBuffer); + gl.bufferData(gl.ARRAY_BUFFER, colors, gl.STATIC_DRAW); + gl.enableVertexAttribArray(cache.colorLocation); + gl.vertexAttribPointer(cache.colorLocation, 3, gl.UNSIGNED_BYTE, false, + 0, 0); + + gl.uniform2f(cache.scaleLocation, context.scaleX, context.scaleY); + gl.uniform2f(cache.offsetLocation, context.offsetX, context.offsetY); + + gl.drawArrays(gl.TRIANGLES, 0, count); + + gl.flush(); + + gl.deleteBuffer(coordsBuffer); + gl.deleteBuffer(colorsBuffer); + + return canvas; + } + + function cleanup() { + if (smaskCache && smaskCache.canvas) { + smaskCache.canvas.width = 0; + smaskCache.canvas.height = 0; + } + if (figuresCache && figuresCache.canvas) { + figuresCache.canvas.width = 0; + figuresCache.canvas.height = 0; + } + smaskCache = null; + figuresCache = null; + } + + return { + get isEnabled() { + if (PDFJS.disableWebGL) { + return false; + } + var enabled = false; + try { + generateGL(); + enabled = !!currentGL; + } catch (e) { } + return shadow(this, 'isEnabled', enabled); + }, + composeSMask: composeSMask, + drawFigures: drawFigures, + clear: cleanup + }; +})(); + +exports.WebGLUtils = WebGLUtils; +})); + + +(function (root, factory) { + { + factory((root.pdfjsDisplayPatternHelper = {}), root.pdfjsSharedUtil, + root.pdfjsDisplayWebGL); + } +}(this, function (exports, sharedUtil, displayWebGL) { + +var Util = sharedUtil.Util; +var info = sharedUtil.info; +var isArray = sharedUtil.isArray; +var error = sharedUtil.error; +var WebGLUtils = displayWebGL.WebGLUtils; + +var ShadingIRs = {}; + +ShadingIRs.RadialAxial = { + fromIR: function RadialAxial_fromIR(raw) { + var type = raw[1]; + var colorStops = raw[2]; + var p0 = raw[3]; + var p1 = raw[4]; + var r0 = raw[5]; + var r1 = raw[6]; + return { + type: 'Pattern', + getPattern: function RadialAxial_getPattern(ctx) { + var grad; + if (type === 'axial') { + grad = ctx.createLinearGradient(p0[0], p0[1], p1[0], p1[1]); + } else if (type === 'radial') { + grad = ctx.createRadialGradient(p0[0], p0[1], r0, p1[0], p1[1], r1); + } + + for (var i = 0, ii = colorStops.length; i < ii; ++i) { + var c = colorStops[i]; + grad.addColorStop(c[0], c[1]); + } + return grad; + } + }; + } +}; + +var createMeshCanvas = (function createMeshCanvasClosure() { + function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) { + // Very basic Gouraud-shaded triangle rasterization algorithm. + var coords = context.coords, colors = context.colors; + var bytes = data.data, rowSize = data.width * 4; + var tmp; + if (coords[p1 + 1] > coords[p2 + 1]) { + tmp = p1; p1 = p2; p2 = tmp; tmp = c1; c1 = c2; c2 = tmp; + } + if (coords[p2 + 1] > coords[p3 + 1]) { + tmp = p2; p2 = p3; p3 = tmp; tmp = c2; c2 = c3; c3 = tmp; + } + if (coords[p1 + 1] > coords[p2 + 1]) { + tmp = p1; p1 = p2; p2 = tmp; tmp = c1; c1 = c2; c2 = tmp; + } + var x1 = (coords[p1] + context.offsetX) * context.scaleX; + var y1 = (coords[p1 + 1] + context.offsetY) * context.scaleY; + var x2 = (coords[p2] + context.offsetX) * context.scaleX; + var y2 = (coords[p2 + 1] + context.offsetY) * context.scaleY; + var x3 = (coords[p3] + context.offsetX) * context.scaleX; + var y3 = (coords[p3 + 1] + context.offsetY) * context.scaleY; + if (y1 >= y3) { + return; + } + var c1r = colors[c1], c1g = colors[c1 + 1], c1b = colors[c1 + 2]; + var c2r = colors[c2], c2g = colors[c2 + 1], c2b = colors[c2 + 2]; + var c3r = colors[c3], c3g = colors[c3 + 1], c3b = colors[c3 + 2]; + + var minY = Math.round(y1), maxY = Math.round(y3); + var xa, car, cag, cab; + var xb, cbr, cbg, cbb; + var k; + for (var y = minY; y <= maxY; y++) { + if (y < y2) { + k = y < y1 ? 0 : y1 === y2 ? 1 : (y1 - y) / (y1 - y2); + xa = x1 - (x1 - x2) * k; + car = c1r - (c1r - c2r) * k; + cag = c1g - (c1g - c2g) * k; + cab = c1b - (c1b - c2b) * k; + } else { + k = y > y3 ? 1 : y2 === y3 ? 0 : (y2 - y) / (y2 - y3); + xa = x2 - (x2 - x3) * k; + car = c2r - (c2r - c3r) * k; + cag = c2g - (c2g - c3g) * k; + cab = c2b - (c2b - c3b) * k; + } + k = y < y1 ? 0 : y > y3 ? 1 : (y1 - y) / (y1 - y3); + xb = x1 - (x1 - x3) * k; + cbr = c1r - (c1r - c3r) * k; + cbg = c1g - (c1g - c3g) * k; + cbb = c1b - (c1b - c3b) * k; + var x1_ = Math.round(Math.min(xa, xb)); + var x2_ = Math.round(Math.max(xa, xb)); + var j = rowSize * y + x1_ * 4; + for (var x = x1_; x <= x2_; x++) { + k = (xa - x) / (xa - xb); + k = k < 0 ? 0 : k > 1 ? 1 : k; + bytes[j++] = (car - (car - cbr) * k) | 0; + bytes[j++] = (cag - (cag - cbg) * k) | 0; + bytes[j++] = (cab - (cab - cbb) * k) | 0; + bytes[j++] = 255; + } + } + } + + function drawFigure(data, figure, context) { + var ps = figure.coords; + var cs = figure.colors; + var i, ii; + switch (figure.type) { + case 'lattice': + var verticesPerRow = figure.verticesPerRow; + var rows = Math.floor(ps.length / verticesPerRow) - 1; + var cols = verticesPerRow - 1; + for (i = 0; i < rows; i++) { + var q = i * verticesPerRow; + for (var j = 0; j < cols; j++, q++) { + drawTriangle(data, context, + ps[q], ps[q + 1], ps[q + verticesPerRow], + cs[q], cs[q + 1], cs[q + verticesPerRow]); + drawTriangle(data, context, + ps[q + verticesPerRow + 1], ps[q + 1], ps[q + verticesPerRow], + cs[q + verticesPerRow + 1], cs[q + 1], cs[q + verticesPerRow]); + } + } + break; + case 'triangles': + for (i = 0, ii = ps.length; i < ii; i += 3) { + drawTriangle(data, context, + ps[i], ps[i + 1], ps[i + 2], + cs[i], cs[i + 1], cs[i + 2]); + } + break; + default: + error('illigal figure'); + break; + } + } + + function createMeshCanvas(bounds, combinesScale, coords, colors, figures, + backgroundColor, cachedCanvases) { + // we will increase scale on some weird factor to let antialiasing take + // care of "rough" edges + var EXPECTED_SCALE = 1.1; + // MAX_PATTERN_SIZE is used to avoid OOM situation. + var MAX_PATTERN_SIZE = 3000; // 10in @ 300dpi shall be enough + + var offsetX = Math.floor(bounds[0]); + var offsetY = Math.floor(bounds[1]); + var boundsWidth = Math.ceil(bounds[2]) - offsetX; + var boundsHeight = Math.ceil(bounds[3]) - offsetY; + + var width = Math.min(Math.ceil(Math.abs(boundsWidth * combinesScale[0] * + EXPECTED_SCALE)), MAX_PATTERN_SIZE); + var height = Math.min(Math.ceil(Math.abs(boundsHeight * combinesScale[1] * + EXPECTED_SCALE)), MAX_PATTERN_SIZE); + var scaleX = boundsWidth / width; + var scaleY = boundsHeight / height; + + var context = { + coords: coords, + colors: colors, + offsetX: -offsetX, + offsetY: -offsetY, + scaleX: 1 / scaleX, + scaleY: 1 / scaleY + }; + + var canvas, tmpCanvas, i, ii; + if (WebGLUtils.isEnabled) { + canvas = WebGLUtils.drawFigures(width, height, backgroundColor, + figures, context); + + // https://bugzilla.mozilla.org/show_bug.cgi?id=972126 + tmpCanvas = cachedCanvases.getCanvas('mesh', width, height, false); + tmpCanvas.context.drawImage(canvas, 0, 0); + canvas = tmpCanvas.canvas; + } else { + tmpCanvas = cachedCanvases.getCanvas('mesh', width, height, false); + var tmpCtx = tmpCanvas.context; + + var data = tmpCtx.createImageData(width, height); + if (backgroundColor) { + var bytes = data.data; + for (i = 0, ii = bytes.length; i < ii; i += 4) { + bytes[i] = backgroundColor[0]; + bytes[i + 1] = backgroundColor[1]; + bytes[i + 2] = backgroundColor[2]; + bytes[i + 3] = 255; + } + } + for (i = 0; i < figures.length; i++) { + drawFigure(data, figures[i], context); + } + tmpCtx.putImageData(data, 0, 0); + canvas = tmpCanvas.canvas; + } + + return {canvas: canvas, offsetX: offsetX, offsetY: offsetY, + scaleX: scaleX, scaleY: scaleY}; + } + return createMeshCanvas; +})(); + +ShadingIRs.Mesh = { + fromIR: function Mesh_fromIR(raw) { + //var type = raw[1]; + var coords = raw[2]; + var colors = raw[3]; + var figures = raw[4]; + var bounds = raw[5]; + var matrix = raw[6]; + //var bbox = raw[7]; + var background = raw[8]; + return { + type: 'Pattern', + getPattern: function Mesh_getPattern(ctx, owner, shadingFill) { + var scale; + if (shadingFill) { + scale = Util.singularValueDecompose2dScale(ctx.mozCurrentTransform); + } else { + // Obtain scale from matrix and current transformation matrix. + scale = Util.singularValueDecompose2dScale(owner.baseTransform); + if (matrix) { + var matrixScale = Util.singularValueDecompose2dScale(matrix); + scale = [scale[0] * matrixScale[0], + scale[1] * matrixScale[1]]; + } + } + + + // Rasterizing on the main thread since sending/queue large canvases + // might cause OOM. + var temporaryPatternCanvas = createMeshCanvas(bounds, scale, coords, + colors, figures, shadingFill ? null : background, + owner.cachedCanvases); + + if (!shadingFill) { + ctx.setTransform.apply(ctx, owner.baseTransform); + if (matrix) { + ctx.transform.apply(ctx, matrix); + } + } + + ctx.translate(temporaryPatternCanvas.offsetX, + temporaryPatternCanvas.offsetY); + ctx.scale(temporaryPatternCanvas.scaleX, + temporaryPatternCanvas.scaleY); + + return ctx.createPattern(temporaryPatternCanvas.canvas, 'no-repeat'); + } + }; + } +}; + +ShadingIRs.Dummy = { + fromIR: function Dummy_fromIR() { + return { + type: 'Pattern', + getPattern: function Dummy_fromIR_getPattern() { + return 'hotpink'; + } + }; + } +}; + +function getShadingPatternFromIR(raw) { + var shadingIR = ShadingIRs[raw[0]]; + if (!shadingIR) { + error('Unknown IR type: ' + raw[0]); + } + return shadingIR.fromIR(raw); +} + +var TilingPattern = (function TilingPatternClosure() { + var PaintType = { + COLORED: 1, + UNCOLORED: 2 + }; + + var MAX_PATTERN_SIZE = 3000; // 10in @ 300dpi shall be enough + + function TilingPattern(IR, color, ctx, canvasGraphicsFactory, baseTransform) { + this.operatorList = IR[2]; + this.matrix = IR[3] || [1, 0, 0, 1, 0, 0]; + this.bbox = IR[4]; + this.xstep = IR[5]; + this.ystep = IR[6]; + this.paintType = IR[7]; + this.tilingType = IR[8]; + this.color = color; + this.canvasGraphicsFactory = canvasGraphicsFactory; + this.baseTransform = baseTransform; + this.type = 'Pattern'; + this.ctx = ctx; + } + + TilingPattern.prototype = { + createPatternCanvas: function TilinPattern_createPatternCanvas(owner) { + var operatorList = this.operatorList; + var bbox = this.bbox; + var xstep = this.xstep; + var ystep = this.ystep; + var paintType = this.paintType; + var tilingType = this.tilingType; + var color = this.color; + var canvasGraphicsFactory = this.canvasGraphicsFactory; + + info('TilingType: ' + tilingType); + + var x0 = bbox[0], y0 = bbox[1], x1 = bbox[2], y1 = bbox[3]; + + var topLeft = [x0, y0]; + // we want the canvas to be as large as the step size + var botRight = [x0 + xstep, y0 + ystep]; + + var width = botRight[0] - topLeft[0]; + var height = botRight[1] - topLeft[1]; + + // Obtain scale from matrix and current transformation matrix. + var matrixScale = Util.singularValueDecompose2dScale(this.matrix); + var curMatrixScale = Util.singularValueDecompose2dScale( + this.baseTransform); + var combinedScale = [matrixScale[0] * curMatrixScale[0], + matrixScale[1] * curMatrixScale[1]]; + + // MAX_PATTERN_SIZE is used to avoid OOM situation. + // Use width and height values that are as close as possible to the end + // result when the pattern is used. Too low value makes the pattern look + // blurry. Too large value makes it look too crispy. + width = Math.min(Math.ceil(Math.abs(width * combinedScale[0])), + MAX_PATTERN_SIZE); + + height = Math.min(Math.ceil(Math.abs(height * combinedScale[1])), + MAX_PATTERN_SIZE); + + var tmpCanvas = owner.cachedCanvases.getCanvas('pattern', + width, height, true); + var tmpCtx = tmpCanvas.context; + var graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx); + graphics.groupLevel = owner.groupLevel; + + this.setFillAndStrokeStyleToContext(tmpCtx, paintType, color); + + this.setScale(width, height, xstep, ystep); + this.transformToScale(graphics); + + // transform coordinates to pattern space + var tmpTranslate = [1, 0, 0, 1, -topLeft[0], -topLeft[1]]; + graphics.transform.apply(graphics, tmpTranslate); + + this.clipBbox(graphics, bbox, x0, y0, x1, y1); + + graphics.executeOperatorList(operatorList); + return tmpCanvas.canvas; + }, + + setScale: function TilingPattern_setScale(width, height, xstep, ystep) { + this.scale = [width / xstep, height / ystep]; + }, + + transformToScale: function TilingPattern_transformToScale(graphics) { + var scale = this.scale; + var tmpScale = [scale[0], 0, 0, scale[1], 0, 0]; + graphics.transform.apply(graphics, tmpScale); + }, + + scaleToContext: function TilingPattern_scaleToContext() { + var scale = this.scale; + this.ctx.scale(1 / scale[0], 1 / scale[1]); + }, + + clipBbox: function clipBbox(graphics, bbox, x0, y0, x1, y1) { + if (bbox && isArray(bbox) && bbox.length === 4) { + var bboxWidth = x1 - x0; + var bboxHeight = y1 - y0; + graphics.ctx.rect(x0, y0, bboxWidth, bboxHeight); + graphics.clip(); + graphics.endPath(); + } + }, + + setFillAndStrokeStyleToContext: + function setFillAndStrokeStyleToContext(context, paintType, color) { + switch (paintType) { + case PaintType.COLORED: + var ctx = this.ctx; + context.fillStyle = ctx.fillStyle; + context.strokeStyle = ctx.strokeStyle; + break; + case PaintType.UNCOLORED: + var cssColor = Util.makeCssRgb(color[0], color[1], color[2]); + context.fillStyle = cssColor; + context.strokeStyle = cssColor; + break; + default: + error('Unsupported paint type: ' + paintType); + } + }, + + getPattern: function TilingPattern_getPattern(ctx, owner) { + var temporaryPatternCanvas = this.createPatternCanvas(owner); + + ctx = this.ctx; + ctx.setTransform.apply(ctx, this.baseTransform); + ctx.transform.apply(ctx, this.matrix); + this.scaleToContext(); + + return ctx.createPattern(temporaryPatternCanvas, 'repeat'); + } + }; + + return TilingPattern; +})(); + +exports.getShadingPatternFromIR = getShadingPatternFromIR; +exports.TilingPattern = TilingPattern; +})); + + +(function (root, factory) { + { + factory((root.pdfjsDisplayCanvas = {}), root.pdfjsSharedUtil, + root.pdfjsDisplayPatternHelper, root.pdfjsDisplayWebGL); + } +}(this, function (exports, sharedUtil, displayPatternHelper, displayWebGL) { + +var FONT_IDENTITY_MATRIX = sharedUtil.FONT_IDENTITY_MATRIX; +var IDENTITY_MATRIX = sharedUtil.IDENTITY_MATRIX; +var ImageKind = sharedUtil.ImageKind; +var OPS = sharedUtil.OPS; +var TextRenderingMode = sharedUtil.TextRenderingMode; +var Uint32ArrayView = sharedUtil.Uint32ArrayView; +var Util = sharedUtil.Util; +var assert = sharedUtil.assert; +var info = sharedUtil.info; +var isNum = sharedUtil.isNum; +var isArray = sharedUtil.isArray; +var error = sharedUtil.error; +var shadow = sharedUtil.shadow; +var warn = sharedUtil.warn; +var TilingPattern = displayPatternHelper.TilingPattern; +var getShadingPatternFromIR = displayPatternHelper.getShadingPatternFromIR; +var WebGLUtils = displayWebGL.WebGLUtils; + +// contexts store most of the state we need natively. +// However, PDF needs a bit more state, which we store here. + +// Minimal font size that would be used during canvas fillText operations. +var MIN_FONT_SIZE = 16; +// Maximum font size that would be used during canvas fillText operations. +var MAX_FONT_SIZE = 100; +var MAX_GROUP_SIZE = 4096; + +// Heuristic value used when enforcing minimum line widths. +var MIN_WIDTH_FACTOR = 0.65; + +var COMPILE_TYPE3_GLYPHS = true; +var MAX_SIZE_TO_COMPILE = 1000; + +var FULL_CHUNK_HEIGHT = 16; + +function createScratchCanvas(width, height) { + var canvas = document.createElement('canvas'); + canvas.width = width; + canvas.height = height; + return canvas; +} + +function addContextCurrentTransform(ctx) { + // If the context doesn't expose a `mozCurrentTransform`, add a JS based one. + if (!ctx.mozCurrentTransform) { + ctx._originalSave = ctx.save; + ctx._originalRestore = ctx.restore; + ctx._originalRotate = ctx.rotate; + ctx._originalScale = ctx.scale; + ctx._originalTranslate = ctx.translate; + ctx._originalTransform = ctx.transform; + ctx._originalSetTransform = ctx.setTransform; + + ctx._transformMatrix = ctx._transformMatrix || [1, 0, 0, 1, 0, 0]; + ctx._transformStack = []; + + Object.defineProperty(ctx, 'mozCurrentTransform', { + get: function getCurrentTransform() { + return this._transformMatrix; + } + }); + + Object.defineProperty(ctx, 'mozCurrentTransformInverse', { + get: function getCurrentTransformInverse() { + // Calculation done using WolframAlpha: + // http://www.wolframalpha.com/input/? + // i=Inverse+{{a%2C+c%2C+e}%2C+{b%2C+d%2C+f}%2C+{0%2C+0%2C+1}} + + var m = this._transformMatrix; + var a = m[0], b = m[1], c = m[2], d = m[3], e = m[4], f = m[5]; + + var ad_bc = a * d - b * c; + var bc_ad = b * c - a * d; + + return [ + d / ad_bc, + b / bc_ad, + c / bc_ad, + a / ad_bc, + (d * e - c * f) / bc_ad, + (b * e - a * f) / ad_bc + ]; + } + }); + + ctx.save = function ctxSave() { + var old = this._transformMatrix; + this._transformStack.push(old); + this._transformMatrix = old.slice(0, 6); + + this._originalSave(); + }; + + ctx.restore = function ctxRestore() { + var prev = this._transformStack.pop(); + if (prev) { + this._transformMatrix = prev; + this._originalRestore(); + } + }; + + ctx.translate = function ctxTranslate(x, y) { + var m = this._transformMatrix; + m[4] = m[0] * x + m[2] * y + m[4]; + m[5] = m[1] * x + m[3] * y + m[5]; + + this._originalTranslate(x, y); + }; + + ctx.scale = function ctxScale(x, y) { + var m = this._transformMatrix; + m[0] = m[0] * x; + m[1] = m[1] * x; + m[2] = m[2] * y; + m[3] = m[3] * y; + + this._originalScale(x, y); + }; + + ctx.transform = function ctxTransform(a, b, c, d, e, f) { + var m = this._transformMatrix; + this._transformMatrix = [ + m[0] * a + m[2] * b, + m[1] * a + m[3] * b, + m[0] * c + m[2] * d, + m[1] * c + m[3] * d, + m[0] * e + m[2] * f + m[4], + m[1] * e + m[3] * f + m[5] + ]; + + ctx._originalTransform(a, b, c, d, e, f); + }; + + ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) { + this._transformMatrix = [a, b, c, d, e, f]; + + ctx._originalSetTransform(a, b, c, d, e, f); + }; + + ctx.rotate = function ctxRotate(angle) { + var cosValue = Math.cos(angle); + var sinValue = Math.sin(angle); + + var m = this._transformMatrix; + this._transformMatrix = [ + m[0] * cosValue + m[2] * sinValue, + m[1] * cosValue + m[3] * sinValue, + m[0] * (-sinValue) + m[2] * cosValue, + m[1] * (-sinValue) + m[3] * cosValue, + m[4], + m[5] + ]; + + this._originalRotate(angle); + }; + } +} + +var CachedCanvases = (function CachedCanvasesClosure() { + function CachedCanvases() { + this.cache = Object.create(null); + } + CachedCanvases.prototype = { + getCanvas: function CachedCanvases_getCanvas(id, width, height, + trackTransform) { + var canvasEntry; + if (this.cache[id] !== undefined) { + canvasEntry = this.cache[id]; + canvasEntry.canvas.width = width; + canvasEntry.canvas.height = height; + // reset canvas transform for emulated mozCurrentTransform, if needed + canvasEntry.context.setTransform(1, 0, 0, 1, 0, 0); + } else { + var canvas = createScratchCanvas(width, height); + var ctx = canvas.getContext('2d'); + if (trackTransform) { + addContextCurrentTransform(ctx); + } + this.cache[id] = canvasEntry = {canvas: canvas, context: ctx}; + } + return canvasEntry; + }, + clear: function () { + for (var id in this.cache) { + var canvasEntry = this.cache[id]; + // Zeroing the width and height causes Firefox to release graphics + // resources immediately, which can greatly reduce memory consumption. + canvasEntry.canvas.width = 0; + canvasEntry.canvas.height = 0; + delete this.cache[id]; + } + } + }; + return CachedCanvases; +})(); + +function compileType3Glyph(imgData) { + var POINT_TO_PROCESS_LIMIT = 1000; + + var width = imgData.width, height = imgData.height; + var i, j, j0, width1 = width + 1; + var points = new Uint8Array(width1 * (height + 1)); + var POINT_TYPES = + new Uint8Array([0, 2, 4, 0, 1, 0, 5, 4, 8, 10, 0, 8, 0, 2, 1, 0]); + + // decodes bit-packed mask data + var lineSize = (width + 7) & ~7, data0 = imgData.data; + var data = new Uint8Array(lineSize * height), pos = 0, ii; + for (i = 0, ii = data0.length; i < ii; i++) { + var mask = 128, elem = data0[i]; + while (mask > 0) { + data[pos++] = (elem & mask) ? 0 : 255; + mask >>= 1; + } + } + + // finding iteresting points: every point is located between mask pixels, + // so there will be points of the (width + 1)x(height + 1) grid. Every point + // will have flags assigned based on neighboring mask pixels: + // 4 | 8 + // --P-- + // 2 | 1 + // We are interested only in points with the flags: + // - outside corners: 1, 2, 4, 8; + // - inside corners: 7, 11, 13, 14; + // - and, intersections: 5, 10. + var count = 0; + pos = 0; + if (data[pos] !== 0) { + points[0] = 1; + ++count; + } + for (j = 1; j < width; j++) { + if (data[pos] !== data[pos + 1]) { + points[j] = data[pos] ? 2 : 1; + ++count; + } + pos++; + } + if (data[pos] !== 0) { + points[j] = 2; + ++count; + } + for (i = 1; i < height; i++) { + pos = i * lineSize; + j0 = i * width1; + if (data[pos - lineSize] !== data[pos]) { + points[j0] = data[pos] ? 1 : 8; + ++count; + } + // 'sum' is the position of the current pixel configuration in the 'TYPES' + // array (in order 8-1-2-4, so we can use '>>2' to shift the column). + var sum = (data[pos] ? 4 : 0) + (data[pos - lineSize] ? 8 : 0); + for (j = 1; j < width; j++) { + sum = (sum >> 2) + (data[pos + 1] ? 4 : 0) + + (data[pos - lineSize + 1] ? 8 : 0); + if (POINT_TYPES[sum]) { + points[j0 + j] = POINT_TYPES[sum]; + ++count; + } + pos++; + } + if (data[pos - lineSize] !== data[pos]) { + points[j0 + j] = data[pos] ? 2 : 4; + ++count; + } + + if (count > POINT_TO_PROCESS_LIMIT) { + return null; + } + } + + pos = lineSize * (height - 1); + j0 = i * width1; + if (data[pos] !== 0) { + points[j0] = 8; + ++count; + } + for (j = 1; j < width; j++) { + if (data[pos] !== data[pos + 1]) { + points[j0 + j] = data[pos] ? 4 : 8; + ++count; + } + pos++; + } + if (data[pos] !== 0) { + points[j0 + j] = 4; + ++count; + } + if (count > POINT_TO_PROCESS_LIMIT) { + return null; + } + + // building outlines + var steps = new Int32Array([0, width1, -1, 0, -width1, 0, 0, 0, 1]); + var outlines = []; + for (i = 0; count && i <= height; i++) { + var p = i * width1; + var end = p + width; + while (p < end && !points[p]) { + p++; + } + if (p === end) { + continue; + } + var coords = [p % width1, i]; + + var type = points[p], p0 = p, pp; + do { + var step = steps[type]; + do { + p += step; + } while (!points[p]); + + pp = points[p]; + if (pp !== 5 && pp !== 10) { + // set new direction + type = pp; + // delete mark + points[p] = 0; + } else { // type is 5 or 10, ie, a crossing + // set new direction + type = pp & ((0x33 * type) >> 4); + // set new type for "future hit" + points[p] &= (type >> 2 | type << 2); + } + + coords.push(p % width1); + coords.push((p / width1) | 0); + --count; + } while (p0 !== p); + outlines.push(coords); + --i; + } + + var drawOutline = function(c) { + c.save(); + // the path shall be painted in [0..1]x[0..1] space + c.scale(1 / width, -1 / height); + c.translate(0, -height); + c.beginPath(); + for (var i = 0, ii = outlines.length; i < ii; i++) { + var o = outlines[i]; + c.moveTo(o[0], o[1]); + for (var j = 2, jj = o.length; j < jj; j += 2) { + c.lineTo(o[j], o[j+1]); + } + } + c.fill(); + c.beginPath(); + c.restore(); + }; + + return drawOutline; +} + +var CanvasExtraState = (function CanvasExtraStateClosure() { + function CanvasExtraState(old) { + // Are soft masks and alpha values shapes or opacities? + this.alphaIsShape = false; + this.fontSize = 0; + this.fontSizeScale = 1; + this.textMatrix = IDENTITY_MATRIX; + this.textMatrixScale = 1; + this.fontMatrix = FONT_IDENTITY_MATRIX; + this.leading = 0; + // Current point (in user coordinates) + this.x = 0; + this.y = 0; + // Start of text line (in text coordinates) + this.lineX = 0; + this.lineY = 0; + // Character and word spacing + this.charSpacing = 0; + this.wordSpacing = 0; + this.textHScale = 1; + this.textRenderingMode = TextRenderingMode.FILL; + this.textRise = 0; + // Default fore and background colors + this.fillColor = '#000000'; + this.strokeColor = '#000000'; + this.patternFill = false; + // Note: fill alpha applies to all non-stroking operations + this.fillAlpha = 1; + this.strokeAlpha = 1; + this.lineWidth = 1; + this.activeSMask = null; // nonclonable field (see the save method below) + + this.old = old; + } + + CanvasExtraState.prototype = { + clone: function CanvasExtraState_clone() { + return Object.create(this); + }, + setCurrentPoint: function CanvasExtraState_setCurrentPoint(x, y) { + this.x = x; + this.y = y; + } + }; + return CanvasExtraState; +})(); + +var CanvasGraphics = (function CanvasGraphicsClosure() { + // Defines the time the executeOperatorList is going to be executing + // before it stops and shedules a continue of execution. + var EXECUTION_TIME = 15; + // Defines the number of steps before checking the execution time + var EXECUTION_STEPS = 10; + + function CanvasGraphics(canvasCtx, commonObjs, objs, imageLayer) { + this.ctx = canvasCtx; + this.current = new CanvasExtraState(); + this.stateStack = []; + this.pendingClip = null; + this.pendingEOFill = false; + this.res = null; + this.xobjs = null; + this.commonObjs = commonObjs; + this.objs = objs; + this.imageLayer = imageLayer; + this.groupStack = []; + this.processingType3 = null; + // Patterns are painted relative to the initial page/form transform, see pdf + // spec 8.7.2 NOTE 1. + this.baseTransform = null; + this.baseTransformStack = []; + this.groupLevel = 0; + this.smaskStack = []; + this.smaskCounter = 0; + this.tempSMask = null; + this.cachedCanvases = new CachedCanvases(); + if (canvasCtx) { + // NOTE: if mozCurrentTransform is polyfilled, then the current state of + // the transformation must already be set in canvasCtx._transformMatrix. + addContextCurrentTransform(canvasCtx); + } + this.cachedGetSinglePixelWidth = null; + } + + function putBinaryImageData(ctx, imgData) { + if (typeof ImageData !== 'undefined' && imgData instanceof ImageData) { + ctx.putImageData(imgData, 0, 0); + return; + } + + // Put the image data to the canvas in chunks, rather than putting the + // whole image at once. This saves JS memory, because the ImageData object + // is smaller. It also possibly saves C++ memory within the implementation + // of putImageData(). (E.g. in Firefox we make two short-lived copies of + // the data passed to putImageData()). |n| shouldn't be too small, however, + // because too many putImageData() calls will slow things down. + // + // Note: as written, if the last chunk is partial, the putImageData() call + // will (conceptually) put pixels past the bounds of the canvas. But + // that's ok; any such pixels are ignored. + + var height = imgData.height, width = imgData.width; + var partialChunkHeight = height % FULL_CHUNK_HEIGHT; + var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT; + var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1; + + var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT); + var srcPos = 0, destPos; + var src = imgData.data; + var dest = chunkImgData.data; + var i, j, thisChunkHeight, elemsInThisChunk; + + // There are multiple forms in which the pixel data can be passed, and + // imgData.kind tells us which one this is. + if (imgData.kind === ImageKind.GRAYSCALE_1BPP) { + // Grayscale, 1 bit per pixel (i.e. black-and-white). + var srcLength = src.byteLength; + var dest32 = PDFJS.hasCanvasTypedArrays ? new Uint32Array(dest.buffer) : + new Uint32ArrayView(dest); + var dest32DataLength = dest32.length; + var fullSrcDiff = (width + 7) >> 3; + var white = 0xFFFFFFFF; + var black = (PDFJS.isLittleEndian || !PDFJS.hasCanvasTypedArrays) ? + 0xFF000000 : 0x000000FF; + for (i = 0; i < totalChunks; i++) { + thisChunkHeight = + (i < fullChunks) ? FULL_CHUNK_HEIGHT : partialChunkHeight; + destPos = 0; + for (j = 0; j < thisChunkHeight; j++) { + var srcDiff = srcLength - srcPos; + var k = 0; + var kEnd = (srcDiff > fullSrcDiff) ? width : srcDiff * 8 - 7; + var kEndUnrolled = kEnd & ~7; + var mask = 0; + var srcByte = 0; + for (; k < kEndUnrolled; k += 8) { + srcByte = src[srcPos++]; + dest32[destPos++] = (srcByte & 128) ? white : black; + dest32[destPos++] = (srcByte & 64) ? white : black; + dest32[destPos++] = (srcByte & 32) ? white : black; + dest32[destPos++] = (srcByte & 16) ? white : black; + dest32[destPos++] = (srcByte & 8) ? white : black; + dest32[destPos++] = (srcByte & 4) ? white : black; + dest32[destPos++] = (srcByte & 2) ? white : black; + dest32[destPos++] = (srcByte & 1) ? white : black; + } + for (; k < kEnd; k++) { + if (mask === 0) { + srcByte = src[srcPos++]; + mask = 128; + } + + dest32[destPos++] = (srcByte & mask) ? white : black; + mask >>= 1; + } + } + // We ran out of input. Make all remaining pixels transparent. + while (destPos < dest32DataLength) { + dest32[destPos++] = 0; + } + + ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT); + } + } else if (imgData.kind === ImageKind.RGBA_32BPP) { + // RGBA, 32-bits per pixel. + + j = 0; + elemsInThisChunk = width * FULL_CHUNK_HEIGHT * 4; + for (i = 0; i < fullChunks; i++) { + dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk)); + srcPos += elemsInThisChunk; + + ctx.putImageData(chunkImgData, 0, j); + j += FULL_CHUNK_HEIGHT; + } + if (i < totalChunks) { + elemsInThisChunk = width * partialChunkHeight * 4; + dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk)); + ctx.putImageData(chunkImgData, 0, j); + } + + } else if (imgData.kind === ImageKind.RGB_24BPP) { + // RGB, 24-bits per pixel. + thisChunkHeight = FULL_CHUNK_HEIGHT; + elemsInThisChunk = width * thisChunkHeight; + for (i = 0; i < totalChunks; i++) { + if (i >= fullChunks) { + thisChunkHeight = partialChunkHeight; + elemsInThisChunk = width * thisChunkHeight; + } + + destPos = 0; + for (j = elemsInThisChunk; j--;) { + dest[destPos++] = src[srcPos++]; + dest[destPos++] = src[srcPos++]; + dest[destPos++] = src[srcPos++]; + dest[destPos++] = 255; + } + ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT); + } + } else { + error('bad image kind: ' + imgData.kind); + } + } + + function putBinaryImageMask(ctx, imgData) { + var height = imgData.height, width = imgData.width; + var partialChunkHeight = height % FULL_CHUNK_HEIGHT; + var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT; + var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1; + + var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT); + var srcPos = 0; + var src = imgData.data; + var dest = chunkImgData.data; + + for (var i = 0; i < totalChunks; i++) { + var thisChunkHeight = + (i < fullChunks) ? FULL_CHUNK_HEIGHT : partialChunkHeight; + + // Expand the mask so it can be used by the canvas. Any required + // inversion has already been handled. + var destPos = 3; // alpha component offset + for (var j = 0; j < thisChunkHeight; j++) { + var mask = 0; + for (var k = 0; k < width; k++) { + if (!mask) { + var elem = src[srcPos++]; + mask = 128; + } + dest[destPos] = (elem & mask) ? 0 : 255; + destPos += 4; + mask >>= 1; + } + } + ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT); + } + } + + function copyCtxState(sourceCtx, destCtx) { + var properties = ['strokeStyle', 'fillStyle', 'fillRule', 'globalAlpha', + 'lineWidth', 'lineCap', 'lineJoin', 'miterLimit', + 'globalCompositeOperation', 'font']; + for (var i = 0, ii = properties.length; i < ii; i++) { + var property = properties[i]; + if (sourceCtx[property] !== undefined) { + destCtx[property] = sourceCtx[property]; + } + } + if (sourceCtx.setLineDash !== undefined) { + destCtx.setLineDash(sourceCtx.getLineDash()); + destCtx.lineDashOffset = sourceCtx.lineDashOffset; + } else if (sourceCtx.mozDashOffset !== undefined) { + destCtx.mozDash = sourceCtx.mozDash; + destCtx.mozDashOffset = sourceCtx.mozDashOffset; + } + } + + function composeSMaskBackdrop(bytes, r0, g0, b0) { + var length = bytes.length; + for (var i = 3; i < length; i += 4) { + var alpha = bytes[i]; + if (alpha === 0) { + bytes[i - 3] = r0; + bytes[i - 2] = g0; + bytes[i - 1] = b0; + } else if (alpha < 255) { + var alpha_ = 255 - alpha; + bytes[i - 3] = (bytes[i - 3] * alpha + r0 * alpha_) >> 8; + bytes[i - 2] = (bytes[i - 2] * alpha + g0 * alpha_) >> 8; + bytes[i - 1] = (bytes[i - 1] * alpha + b0 * alpha_) >> 8; + } + } + } + + function composeSMaskAlpha(maskData, layerData, transferMap) { + var length = maskData.length; + var scale = 1 / 255; + for (var i = 3; i < length; i += 4) { + var alpha = transferMap ? transferMap[maskData[i]] : maskData[i]; + layerData[i] = (layerData[i] * alpha * scale) | 0; + } + } + + function composeSMaskLuminosity(maskData, layerData, transferMap) { + var length = maskData.length; + for (var i = 3; i < length; i += 4) { + var y = (maskData[i - 3] * 77) + // * 0.3 / 255 * 0x10000 + (maskData[i - 2] * 152) + // * 0.59 .... + (maskData[i - 1] * 28); // * 0.11 .... + layerData[i] = transferMap ? + (layerData[i] * transferMap[y >> 8]) >> 8 : + (layerData[i] * y) >> 16; + } + } + + function genericComposeSMask(maskCtx, layerCtx, width, height, + subtype, backdrop, transferMap) { + var hasBackdrop = !!backdrop; + var r0 = hasBackdrop ? backdrop[0] : 0; + var g0 = hasBackdrop ? backdrop[1] : 0; + var b0 = hasBackdrop ? backdrop[2] : 0; + + var composeFn; + if (subtype === 'Luminosity') { + composeFn = composeSMaskLuminosity; + } else { + composeFn = composeSMaskAlpha; + } + + // processing image in chunks to save memory + var PIXELS_TO_PROCESS = 1048576; + var chunkSize = Math.min(height, Math.ceil(PIXELS_TO_PROCESS / width)); + for (var row = 0; row < height; row += chunkSize) { + var chunkHeight = Math.min(chunkSize, height - row); + var maskData = maskCtx.getImageData(0, row, width, chunkHeight); + var layerData = layerCtx.getImageData(0, row, width, chunkHeight); + + if (hasBackdrop) { + composeSMaskBackdrop(maskData.data, r0, g0, b0); + } + composeFn(maskData.data, layerData.data, transferMap); + + maskCtx.putImageData(layerData, 0, row); + } + } + + function composeSMask(ctx, smask, layerCtx) { + var mask = smask.canvas; + var maskCtx = smask.context; + + ctx.setTransform(smask.scaleX, 0, 0, smask.scaleY, + smask.offsetX, smask.offsetY); + + var backdrop = smask.backdrop || null; + if (!smask.transferMap && WebGLUtils.isEnabled) { + var composed = WebGLUtils.composeSMask(layerCtx.canvas, mask, + {subtype: smask.subtype, backdrop: backdrop}); + ctx.setTransform(1, 0, 0, 1, 0, 0); + ctx.drawImage(composed, smask.offsetX, smask.offsetY); + return; + } + genericComposeSMask(maskCtx, layerCtx, mask.width, mask.height, + smask.subtype, backdrop, smask.transferMap); + ctx.drawImage(mask, 0, 0); + } + + var LINE_CAP_STYLES = ['butt', 'round', 'square']; + var LINE_JOIN_STYLES = ['miter', 'round', 'bevel']; + var NORMAL_CLIP = {}; + var EO_CLIP = {}; + + CanvasGraphics.prototype = { + + beginDrawing: function CanvasGraphics_beginDrawing(transform, viewport, + transparency) { + // For pdfs that use blend modes we have to clear the canvas else certain + // blend modes can look wrong since we'd be blending with a white + // backdrop. The problem with a transparent backdrop though is we then + // don't get sub pixel anti aliasing on text, creating temporary + // transparent canvas when we have blend modes. + var width = this.ctx.canvas.width; + var height = this.ctx.canvas.height; + + this.ctx.save(); + this.ctx.fillStyle = 'rgb(255, 255, 255)'; + this.ctx.fillRect(0, 0, width, height); + this.ctx.restore(); + + if (transparency) { + var transparentCanvas = this.cachedCanvases.getCanvas( + 'transparent', width, height, true); + this.compositeCtx = this.ctx; + this.transparentCanvas = transparentCanvas.canvas; + this.ctx = transparentCanvas.context; + this.ctx.save(); + // The transform can be applied before rendering, transferring it to + // the new canvas. + this.ctx.transform.apply(this.ctx, + this.compositeCtx.mozCurrentTransform); + } + + this.ctx.save(); + if (transform) { + this.ctx.transform.apply(this.ctx, transform); + } + this.ctx.transform.apply(this.ctx, viewport.transform); + + this.baseTransform = this.ctx.mozCurrentTransform.slice(); + + if (this.imageLayer) { + this.imageLayer.beginLayout(); + } + }, + + executeOperatorList: function CanvasGraphics_executeOperatorList( + operatorList, + executionStartIdx, continueCallback, + stepper) { + var argsArray = operatorList.argsArray; + var fnArray = operatorList.fnArray; + var i = executionStartIdx || 0; + var argsArrayLen = argsArray.length; + + // Sometimes the OperatorList to execute is empty. + if (argsArrayLen === i) { + return i; + } + + var chunkOperations = (argsArrayLen - i > EXECUTION_STEPS && + typeof continueCallback === 'function'); + var endTime = chunkOperations ? Date.now() + EXECUTION_TIME : 0; + var steps = 0; + + var commonObjs = this.commonObjs; + var objs = this.objs; + var fnId; + + while (true) { + if (stepper !== undefined && i === stepper.nextBreakPoint) { + stepper.breakIt(i, continueCallback); + return i; + } + + fnId = fnArray[i]; + + if (fnId !== OPS.dependency) { + this[fnId].apply(this, argsArray[i]); + } else { + var deps = argsArray[i]; + for (var n = 0, nn = deps.length; n < nn; n++) { + var depObjId = deps[n]; + var common = depObjId[0] === 'g' && depObjId[1] === '_'; + var objsPool = common ? commonObjs : objs; + + // If the promise isn't resolved yet, add the continueCallback + // to the promise and bail out. + if (!objsPool.isResolved(depObjId)) { + objsPool.get(depObjId, continueCallback); + return i; + } + } + } + + i++; + + // If the entire operatorList was executed, stop as were done. + if (i === argsArrayLen) { + return i; + } + + // If the execution took longer then a certain amount of time and + // `continueCallback` is specified, interrupt the execution. + if (chunkOperations && ++steps > EXECUTION_STEPS) { + if (Date.now() > endTime) { + continueCallback(); + return i; + } + steps = 0; + } + + // If the operatorList isn't executed completely yet OR the execution + // time was short enough, do another execution round. + } + }, + + endDrawing: function CanvasGraphics_endDrawing() { + this.ctx.restore(); + + if (this.transparentCanvas) { + this.ctx = this.compositeCtx; + this.ctx.drawImage(this.transparentCanvas, 0, 0); + this.transparentCanvas = null; + } + + this.cachedCanvases.clear(); + WebGLUtils.clear(); + + if (this.imageLayer) { + this.imageLayer.endLayout(); + } + }, + + // Graphics state + setLineWidth: function CanvasGraphics_setLineWidth(width) { + this.current.lineWidth = width; + this.ctx.lineWidth = width; + }, + setLineCap: function CanvasGraphics_setLineCap(style) { + this.ctx.lineCap = LINE_CAP_STYLES[style]; + }, + setLineJoin: function CanvasGraphics_setLineJoin(style) { + this.ctx.lineJoin = LINE_JOIN_STYLES[style]; + }, + setMiterLimit: function CanvasGraphics_setMiterLimit(limit) { + this.ctx.miterLimit = limit; + }, + setDash: function CanvasGraphics_setDash(dashArray, dashPhase) { + var ctx = this.ctx; + if (ctx.setLineDash !== undefined) { + ctx.setLineDash(dashArray); + ctx.lineDashOffset = dashPhase; + } else { + ctx.mozDash = dashArray; + ctx.mozDashOffset = dashPhase; + } + }, + setRenderingIntent: function CanvasGraphics_setRenderingIntent(intent) { + // Maybe if we one day fully support color spaces this will be important + // for now we can ignore. + // TODO set rendering intent? + }, + setFlatness: function CanvasGraphics_setFlatness(flatness) { + // There's no way to control this with canvas, but we can safely ignore. + // TODO set flatness? + }, + setGState: function CanvasGraphics_setGState(states) { + for (var i = 0, ii = states.length; i < ii; i++) { + var state = states[i]; + var key = state[0]; + var value = state[1]; + + switch (key) { + case 'LW': + this.setLineWidth(value); + break; + case 'LC': + this.setLineCap(value); + break; + case 'LJ': + this.setLineJoin(value); + break; + case 'ML': + this.setMiterLimit(value); + break; + case 'D': + this.setDash(value[0], value[1]); + break; + case 'RI': + this.setRenderingIntent(value); + break; + case 'FL': + this.setFlatness(value); + break; + case 'Font': + this.setFont(value[0], value[1]); + break; + case 'CA': + this.current.strokeAlpha = state[1]; + break; + case 'ca': + this.current.fillAlpha = state[1]; + this.ctx.globalAlpha = state[1]; + break; + case 'BM': + if (value && value.name && (value.name !== 'Normal')) { + var mode = value.name.replace(/([A-Z])/g, + function(c) { + return '-' + c.toLowerCase(); + } + ).substring(1); + this.ctx.globalCompositeOperation = mode; + if (this.ctx.globalCompositeOperation !== mode) { + warn('globalCompositeOperation "' + mode + + '" is not supported'); + } + } else { + this.ctx.globalCompositeOperation = 'source-over'; + } + break; + case 'SMask': + if (this.current.activeSMask) { + this.endSMaskGroup(); + } + this.current.activeSMask = value ? this.tempSMask : null; + if (this.current.activeSMask) { + this.beginSMaskGroup(); + } + this.tempSMask = null; + break; + } + } + }, + beginSMaskGroup: function CanvasGraphics_beginSMaskGroup() { + + var activeSMask = this.current.activeSMask; + var drawnWidth = activeSMask.canvas.width; + var drawnHeight = activeSMask.canvas.height; + var cacheId = 'smaskGroupAt' + this.groupLevel; + var scratchCanvas = this.cachedCanvases.getCanvas( + cacheId, drawnWidth, drawnHeight, true); + + var currentCtx = this.ctx; + var currentTransform = currentCtx.mozCurrentTransform; + this.ctx.save(); + + var groupCtx = scratchCanvas.context; + groupCtx.scale(1 / activeSMask.scaleX, 1 / activeSMask.scaleY); + groupCtx.translate(-activeSMask.offsetX, -activeSMask.offsetY); + groupCtx.transform.apply(groupCtx, currentTransform); + + copyCtxState(currentCtx, groupCtx); + this.ctx = groupCtx; + this.setGState([ + ['BM', 'Normal'], + ['ca', 1], + ['CA', 1] + ]); + this.groupStack.push(currentCtx); + this.groupLevel++; + }, + endSMaskGroup: function CanvasGraphics_endSMaskGroup() { + var groupCtx = this.ctx; + this.groupLevel--; + this.ctx = this.groupStack.pop(); + + composeSMask(this.ctx, this.current.activeSMask, groupCtx); + this.ctx.restore(); + copyCtxState(groupCtx, this.ctx); + }, + save: function CanvasGraphics_save() { + this.ctx.save(); + var old = this.current; + this.stateStack.push(old); + this.current = old.clone(); + this.current.activeSMask = null; + }, + restore: function CanvasGraphics_restore() { + if (this.stateStack.length !== 0) { + if (this.current.activeSMask !== null) { + this.endSMaskGroup(); + } + + this.current = this.stateStack.pop(); + this.ctx.restore(); + + // Ensure that the clipping path is reset (fixes issue6413.pdf). + this.pendingClip = null; + + this.cachedGetSinglePixelWidth = null; + } + }, + transform: function CanvasGraphics_transform(a, b, c, d, e, f) { + this.ctx.transform(a, b, c, d, e, f); + + this.cachedGetSinglePixelWidth = null; + }, + + // Path + constructPath: function CanvasGraphics_constructPath(ops, args) { + var ctx = this.ctx; + var current = this.current; + var x = current.x, y = current.y; + for (var i = 0, j = 0, ii = ops.length; i < ii; i++) { + switch (ops[i] | 0) { + case OPS.rectangle: + x = args[j++]; + y = args[j++]; + var width = args[j++]; + var height = args[j++]; + if (width === 0) { + width = this.getSinglePixelWidth(); + } + if (height === 0) { + height = this.getSinglePixelWidth(); + } + var xw = x + width; + var yh = y + height; + this.ctx.moveTo(x, y); + this.ctx.lineTo(xw, y); + this.ctx.lineTo(xw, yh); + this.ctx.lineTo(x, yh); + this.ctx.lineTo(x, y); + this.ctx.closePath(); + break; + case OPS.moveTo: + x = args[j++]; + y = args[j++]; + ctx.moveTo(x, y); + break; + case OPS.lineTo: + x = args[j++]; + y = args[j++]; + ctx.lineTo(x, y); + break; + case OPS.curveTo: + x = args[j + 4]; + y = args[j + 5]; + ctx.bezierCurveTo(args[j], args[j + 1], args[j + 2], args[j + 3], + x, y); + j += 6; + break; + case OPS.curveTo2: + ctx.bezierCurveTo(x, y, args[j], args[j + 1], + args[j + 2], args[j + 3]); + x = args[j + 2]; + y = args[j + 3]; + j += 4; + break; + case OPS.curveTo3: + x = args[j + 2]; + y = args[j + 3]; + ctx.bezierCurveTo(args[j], args[j + 1], x, y, x, y); + j += 4; + break; + case OPS.closePath: + ctx.closePath(); + break; + } + } + current.setCurrentPoint(x, y); + }, + closePath: function CanvasGraphics_closePath() { + this.ctx.closePath(); + }, + stroke: function CanvasGraphics_stroke(consumePath) { + consumePath = typeof consumePath !== 'undefined' ? consumePath : true; + var ctx = this.ctx; + var strokeColor = this.current.strokeColor; + // Prevent drawing too thin lines by enforcing a minimum line width. + ctx.lineWidth = Math.max(this.getSinglePixelWidth() * MIN_WIDTH_FACTOR, + this.current.lineWidth); + // For stroke we want to temporarily change the global alpha to the + // stroking alpha. + ctx.globalAlpha = this.current.strokeAlpha; + if (strokeColor && strokeColor.hasOwnProperty('type') && + strokeColor.type === 'Pattern') { + // for patterns, we transform to pattern space, calculate + // the pattern, call stroke, and restore to user space + ctx.save(); + ctx.strokeStyle = strokeColor.getPattern(ctx, this); + ctx.stroke(); + ctx.restore(); + } else { + ctx.stroke(); + } + if (consumePath) { + this.consumePath(); + } + // Restore the global alpha to the fill alpha + ctx.globalAlpha = this.current.fillAlpha; + }, + closeStroke: function CanvasGraphics_closeStroke() { + this.closePath(); + this.stroke(); + }, + fill: function CanvasGraphics_fill(consumePath) { + consumePath = typeof consumePath !== 'undefined' ? consumePath : true; + var ctx = this.ctx; + var fillColor = this.current.fillColor; + var isPatternFill = this.current.patternFill; + var needRestore = false; + + if (isPatternFill) { + ctx.save(); + if (this.baseTransform) { + ctx.setTransform.apply(ctx, this.baseTransform); + } + ctx.fillStyle = fillColor.getPattern(ctx, this); + needRestore = true; + } + + if (this.pendingEOFill) { + if (ctx.mozFillRule !== undefined) { + ctx.mozFillRule = 'evenodd'; + ctx.fill(); + ctx.mozFillRule = 'nonzero'; + } else { + ctx.fill('evenodd'); + } + this.pendingEOFill = false; + } else { + ctx.fill(); + } + + if (needRestore) { + ctx.restore(); + } + if (consumePath) { + this.consumePath(); + } + }, + eoFill: function CanvasGraphics_eoFill() { + this.pendingEOFill = true; + this.fill(); + }, + fillStroke: function CanvasGraphics_fillStroke() { + this.fill(false); + this.stroke(false); + + this.consumePath(); + }, + eoFillStroke: function CanvasGraphics_eoFillStroke() { + this.pendingEOFill = true; + this.fillStroke(); + }, + closeFillStroke: function CanvasGraphics_closeFillStroke() { + this.closePath(); + this.fillStroke(); + }, + closeEOFillStroke: function CanvasGraphics_closeEOFillStroke() { + this.pendingEOFill = true; + this.closePath(); + this.fillStroke(); + }, + endPath: function CanvasGraphics_endPath() { + this.consumePath(); + }, + + // Clipping + clip: function CanvasGraphics_clip() { + this.pendingClip = NORMAL_CLIP; + }, + eoClip: function CanvasGraphics_eoClip() { + this.pendingClip = EO_CLIP; + }, + + // Text + beginText: function CanvasGraphics_beginText() { + this.current.textMatrix = IDENTITY_MATRIX; + this.current.textMatrixScale = 1; + this.current.x = this.current.lineX = 0; + this.current.y = this.current.lineY = 0; + }, + endText: function CanvasGraphics_endText() { + var paths = this.pendingTextPaths; + var ctx = this.ctx; + if (paths === undefined) { + ctx.beginPath(); + return; + } + + ctx.save(); + ctx.beginPath(); + for (var i = 0; i < paths.length; i++) { + var path = paths[i]; + ctx.setTransform.apply(ctx, path.transform); + ctx.translate(path.x, path.y); + path.addToPath(ctx, path.fontSize); + } + ctx.restore(); + ctx.clip(); + ctx.beginPath(); + delete this.pendingTextPaths; + }, + setCharSpacing: function CanvasGraphics_setCharSpacing(spacing) { + this.current.charSpacing = spacing; + }, + setWordSpacing: function CanvasGraphics_setWordSpacing(spacing) { + this.current.wordSpacing = spacing; + }, + setHScale: function CanvasGraphics_setHScale(scale) { + this.current.textHScale = scale / 100; + }, + setLeading: function CanvasGraphics_setLeading(leading) { + this.current.leading = -leading; + }, + setFont: function CanvasGraphics_setFont(fontRefName, size) { + var fontObj = this.commonObjs.get(fontRefName); + var current = this.current; + + if (!fontObj) { + error('Can\'t find font for ' + fontRefName); + } + + current.fontMatrix = (fontObj.fontMatrix ? + fontObj.fontMatrix : FONT_IDENTITY_MATRIX); + + // A valid matrix needs all main diagonal elements to be non-zero + // This also ensures we bypass FF bugzilla bug #719844. + if (current.fontMatrix[0] === 0 || + current.fontMatrix[3] === 0) { + warn('Invalid font matrix for font ' + fontRefName); + } + + // The spec for Tf (setFont) says that 'size' specifies the font 'scale', + // and in some docs this can be negative (inverted x-y axes). + if (size < 0) { + size = -size; + current.fontDirection = -1; + } else { + current.fontDirection = 1; + } + + this.current.font = fontObj; + this.current.fontSize = size; + + if (fontObj.isType3Font) { + return; // we don't need ctx.font for Type3 fonts + } + + var name = fontObj.loadedName || 'sans-serif'; + var bold = fontObj.black ? (fontObj.bold ? '900' : 'bold') : + (fontObj.bold ? 'bold' : 'normal'); + + var italic = fontObj.italic ? 'italic' : 'normal'; + var typeface = '"' + name + '", ' + fontObj.fallbackName; + + // Some font backends cannot handle fonts below certain size. + // Keeping the font at minimal size and using the fontSizeScale to change + // the current transformation matrix before the fillText/strokeText. + // See https://bugzilla.mozilla.org/show_bug.cgi?id=726227 + var browserFontSize = size < MIN_FONT_SIZE ? MIN_FONT_SIZE : + size > MAX_FONT_SIZE ? MAX_FONT_SIZE : size; + this.current.fontSizeScale = size / browserFontSize; + + var rule = italic + ' ' + bold + ' ' + browserFontSize + 'px ' + typeface; + this.ctx.font = rule; + }, + setTextRenderingMode: function CanvasGraphics_setTextRenderingMode(mode) { + this.current.textRenderingMode = mode; + }, + setTextRise: function CanvasGraphics_setTextRise(rise) { + this.current.textRise = rise; + }, + moveText: function CanvasGraphics_moveText(x, y) { + this.current.x = this.current.lineX += x; + this.current.y = this.current.lineY += y; + }, + setLeadingMoveText: function CanvasGraphics_setLeadingMoveText(x, y) { + this.setLeading(-y); + this.moveText(x, y); + }, + setTextMatrix: function CanvasGraphics_setTextMatrix(a, b, c, d, e, f) { + this.current.textMatrix = [a, b, c, d, e, f]; + this.current.textMatrixScale = Math.sqrt(a * a + b * b); + + this.current.x = this.current.lineX = 0; + this.current.y = this.current.lineY = 0; + }, + nextLine: function CanvasGraphics_nextLine() { + this.moveText(0, this.current.leading); + }, + + paintChar: function CanvasGraphics_paintChar(character, x, y) { + var ctx = this.ctx; + var current = this.current; + var font = current.font; + var textRenderingMode = current.textRenderingMode; + var fontSize = current.fontSize / current.fontSizeScale; + var fillStrokeMode = textRenderingMode & + TextRenderingMode.FILL_STROKE_MASK; + var isAddToPathSet = !!(textRenderingMode & + TextRenderingMode.ADD_TO_PATH_FLAG); + + var addToPath; + if (font.disableFontFace || isAddToPathSet) { + addToPath = font.getPathGenerator(this.commonObjs, character); + } + + if (font.disableFontFace) { + ctx.save(); + ctx.translate(x, y); + ctx.beginPath(); + addToPath(ctx, fontSize); + if (fillStrokeMode === TextRenderingMode.FILL || + fillStrokeMode === TextRenderingMode.FILL_STROKE) { + ctx.fill(); + } + if (fillStrokeMode === TextRenderingMode.STROKE || + fillStrokeMode === TextRenderingMode.FILL_STROKE) { + ctx.stroke(); + } + ctx.restore(); + } else { + if (fillStrokeMode === TextRenderingMode.FILL || + fillStrokeMode === TextRenderingMode.FILL_STROKE) { + ctx.fillText(character, x, y); + } + if (fillStrokeMode === TextRenderingMode.STROKE || + fillStrokeMode === TextRenderingMode.FILL_STROKE) { + ctx.strokeText(character, x, y); + } + } + + if (isAddToPathSet) { + var paths = this.pendingTextPaths || (this.pendingTextPaths = []); + paths.push({ + transform: ctx.mozCurrentTransform, + x: x, + y: y, + fontSize: fontSize, + addToPath: addToPath + }); + } + }, + + get isFontSubpixelAAEnabled() { + // Checks if anti-aliasing is enabled when scaled text is painted. + // On Windows GDI scaled fonts looks bad. + var ctx = document.createElement('canvas').getContext('2d'); + ctx.scale(1.5, 1); + ctx.fillText('I', 0, 10); + var data = ctx.getImageData(0, 0, 10, 10).data; + var enabled = false; + for (var i = 3; i < data.length; i += 4) { + if (data[i] > 0 && data[i] < 255) { + enabled = true; + break; + } + } + return shadow(this, 'isFontSubpixelAAEnabled', enabled); + }, + + showText: function CanvasGraphics_showText(glyphs) { + var current = this.current; + var font = current.font; + if (font.isType3Font) { + return this.showType3Text(glyphs); + } + + var fontSize = current.fontSize; + if (fontSize === 0) { + return; + } + + var ctx = this.ctx; + var fontSizeScale = current.fontSizeScale; + var charSpacing = current.charSpacing; + var wordSpacing = current.wordSpacing; + var fontDirection = current.fontDirection; + var textHScale = current.textHScale * fontDirection; + var glyphsLength = glyphs.length; + var vertical = font.vertical; + var spacingDir = vertical ? 1 : -1; + var defaultVMetrics = font.defaultVMetrics; + var widthAdvanceScale = fontSize * current.fontMatrix[0]; + + var simpleFillText = + current.textRenderingMode === TextRenderingMode.FILL && + !font.disableFontFace; + + ctx.save(); + ctx.transform.apply(ctx, current.textMatrix); + ctx.translate(current.x, current.y + current.textRise); + + if (current.patternFill) { + // TODO: Some shading patterns are not applied correctly to text, + // e.g. issues 3988 and 5432, and ShowText-ShadingPattern.pdf. + ctx.fillStyle = current.fillColor.getPattern(ctx, this); + } + + if (fontDirection > 0) { + ctx.scale(textHScale, -1); + } else { + ctx.scale(textHScale, 1); + } + + var lineWidth = current.lineWidth; + var scale = current.textMatrixScale; + if (scale === 0 || lineWidth === 0) { + var fillStrokeMode = current.textRenderingMode & + TextRenderingMode.FILL_STROKE_MASK; + if (fillStrokeMode === TextRenderingMode.STROKE || + fillStrokeMode === TextRenderingMode.FILL_STROKE) { + this.cachedGetSinglePixelWidth = null; + lineWidth = this.getSinglePixelWidth() * MIN_WIDTH_FACTOR; + } + } else { + lineWidth /= scale; + } + + if (fontSizeScale !== 1.0) { + ctx.scale(fontSizeScale, fontSizeScale); + lineWidth /= fontSizeScale; + } + + ctx.lineWidth = lineWidth; + + var x = 0, i; + for (i = 0; i < glyphsLength; ++i) { + var glyph = glyphs[i]; + if (isNum(glyph)) { + x += spacingDir * glyph * fontSize / 1000; + continue; + } + + var restoreNeeded = false; + var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing; + var character = glyph.fontChar; + var accent = glyph.accent; + var scaledX, scaledY, scaledAccentX, scaledAccentY; + var width = glyph.width; + if (vertical) { + var vmetric, vx, vy; + vmetric = glyph.vmetric || defaultVMetrics; + vx = glyph.vmetric ? vmetric[1] : width * 0.5; + vx = -vx * widthAdvanceScale; + vy = vmetric[2] * widthAdvanceScale; + + width = vmetric ? -vmetric[0] : width; + scaledX = vx / fontSizeScale; + scaledY = (x + vy) / fontSizeScale; + } else { + scaledX = x / fontSizeScale; + scaledY = 0; + } + + if (font.remeasure && width > 0) { + // Some standard fonts may not have the exact width: rescale per + // character if measured width is greater than expected glyph width + // and subpixel-aa is enabled, otherwise just center the glyph. + var measuredWidth = ctx.measureText(character).width * 1000 / + fontSize * fontSizeScale; + if (width < measuredWidth && this.isFontSubpixelAAEnabled) { + var characterScaleX = width / measuredWidth; + restoreNeeded = true; + ctx.save(); + ctx.scale(characterScaleX, 1); + scaledX /= characterScaleX; + } else if (width !== measuredWidth) { + scaledX += (width - measuredWidth) / 2000 * + fontSize / fontSizeScale; + } + } + + if (simpleFillText && !accent) { + // common case + ctx.fillText(character, scaledX, scaledY); + } else { + this.paintChar(character, scaledX, scaledY); + if (accent) { + scaledAccentX = scaledX + accent.offset.x / fontSizeScale; + scaledAccentY = scaledY - accent.offset.y / fontSizeScale; + this.paintChar(accent.fontChar, scaledAccentX, scaledAccentY); + } + } + + var charWidth = width * widthAdvanceScale + spacing * fontDirection; + x += charWidth; + + if (restoreNeeded) { + ctx.restore(); + } + } + if (vertical) { + current.y -= x * textHScale; + } else { + current.x += x * textHScale; + } + ctx.restore(); + }, + + showType3Text: function CanvasGraphics_showType3Text(glyphs) { + // Type3 fonts - each glyph is a "mini-PDF" + var ctx = this.ctx; + var current = this.current; + var font = current.font; + var fontSize = current.fontSize; + var fontDirection = current.fontDirection; + var spacingDir = font.vertical ? 1 : -1; + var charSpacing = current.charSpacing; + var wordSpacing = current.wordSpacing; + var textHScale = current.textHScale * fontDirection; + var fontMatrix = current.fontMatrix || FONT_IDENTITY_MATRIX; + var glyphsLength = glyphs.length; + var isTextInvisible = + current.textRenderingMode === TextRenderingMode.INVISIBLE; + var i, glyph, width, spacingLength; + + if (isTextInvisible || fontSize === 0) { + return; + } + this.cachedGetSinglePixelWidth = null; + + ctx.save(); + ctx.transform.apply(ctx, current.textMatrix); + ctx.translate(current.x, current.y); + + ctx.scale(textHScale, fontDirection); + + for (i = 0; i < glyphsLength; ++i) { + glyph = glyphs[i]; + if (isNum(glyph)) { + spacingLength = spacingDir * glyph * fontSize / 1000; + this.ctx.translate(spacingLength, 0); + current.x += spacingLength * textHScale; + continue; + } + + var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing; + var operatorList = font.charProcOperatorList[glyph.operatorListId]; + if (!operatorList) { + warn('Type3 character \"' + glyph.operatorListId + + '\" is not available'); + continue; + } + this.processingType3 = glyph; + this.save(); + ctx.scale(fontSize, fontSize); + ctx.transform.apply(ctx, fontMatrix); + this.executeOperatorList(operatorList); + this.restore(); + + var transformed = Util.applyTransform([glyph.width, 0], fontMatrix); + width = transformed[0] * fontSize + spacing; + + ctx.translate(width, 0); + current.x += width * textHScale; + } + ctx.restore(); + this.processingType3 = null; + }, + + // Type3 fonts + setCharWidth: function CanvasGraphics_setCharWidth(xWidth, yWidth) { + // We can safely ignore this since the width should be the same + // as the width in the Widths array. + }, + setCharWidthAndBounds: function CanvasGraphics_setCharWidthAndBounds(xWidth, + yWidth, + llx, + lly, + urx, + ury) { + // TODO According to the spec we're also suppose to ignore any operators + // that set color or include images while processing this type3 font. + this.ctx.rect(llx, lly, urx - llx, ury - lly); + this.clip(); + this.endPath(); + }, + + // Color + getColorN_Pattern: function CanvasGraphics_getColorN_Pattern(IR) { + var pattern; + if (IR[0] === 'TilingPattern') { + var color = IR[1]; + var baseTransform = this.baseTransform || + this.ctx.mozCurrentTransform.slice(); + var self = this; + var canvasGraphicsFactory = { + createCanvasGraphics: function (ctx) { + return new CanvasGraphics(ctx, self.commonObjs, self.objs); + } + }; + pattern = new TilingPattern(IR, color, this.ctx, canvasGraphicsFactory, + baseTransform); + } else { + pattern = getShadingPatternFromIR(IR); + } + return pattern; + }, + setStrokeColorN: function CanvasGraphics_setStrokeColorN(/*...*/) { + this.current.strokeColor = this.getColorN_Pattern(arguments); + }, + setFillColorN: function CanvasGraphics_setFillColorN(/*...*/) { + this.current.fillColor = this.getColorN_Pattern(arguments); + this.current.patternFill = true; + }, + setStrokeRGBColor: function CanvasGraphics_setStrokeRGBColor(r, g, b) { + var color = Util.makeCssRgb(r, g, b); + this.ctx.strokeStyle = color; + this.current.strokeColor = color; + }, + setFillRGBColor: function CanvasGraphics_setFillRGBColor(r, g, b) { + var color = Util.makeCssRgb(r, g, b); + this.ctx.fillStyle = color; + this.current.fillColor = color; + this.current.patternFill = false; + }, + + shadingFill: function CanvasGraphics_shadingFill(patternIR) { + var ctx = this.ctx; + + this.save(); + var pattern = getShadingPatternFromIR(patternIR); + ctx.fillStyle = pattern.getPattern(ctx, this, true); + + var inv = ctx.mozCurrentTransformInverse; + if (inv) { + var canvas = ctx.canvas; + var width = canvas.width; + var height = canvas.height; + + var bl = Util.applyTransform([0, 0], inv); + var br = Util.applyTransform([0, height], inv); + var ul = Util.applyTransform([width, 0], inv); + var ur = Util.applyTransform([width, height], inv); + + var x0 = Math.min(bl[0], br[0], ul[0], ur[0]); + var y0 = Math.min(bl[1], br[1], ul[1], ur[1]); + var x1 = Math.max(bl[0], br[0], ul[0], ur[0]); + var y1 = Math.max(bl[1], br[1], ul[1], ur[1]); + + this.ctx.fillRect(x0, y0, x1 - x0, y1 - y0); + } else { + // HACK to draw the gradient onto an infinite rectangle. + // PDF gradients are drawn across the entire image while + // Canvas only allows gradients to be drawn in a rectangle + // The following bug should allow us to remove this. + // https://bugzilla.mozilla.org/show_bug.cgi?id=664884 + + this.ctx.fillRect(-1e10, -1e10, 2e10, 2e10); + } + + this.restore(); + }, + + // Images + beginInlineImage: function CanvasGraphics_beginInlineImage() { + error('Should not call beginInlineImage'); + }, + beginImageData: function CanvasGraphics_beginImageData() { + error('Should not call beginImageData'); + }, + + paintFormXObjectBegin: function CanvasGraphics_paintFormXObjectBegin(matrix, + bbox) { + this.save(); + this.baseTransformStack.push(this.baseTransform); + + if (isArray(matrix) && 6 === matrix.length) { + this.transform.apply(this, matrix); + } + + this.baseTransform = this.ctx.mozCurrentTransform; + + if (isArray(bbox) && 4 === bbox.length) { + var width = bbox[2] - bbox[0]; + var height = bbox[3] - bbox[1]; + this.ctx.rect(bbox[0], bbox[1], width, height); + this.clip(); + this.endPath(); + } + }, + + paintFormXObjectEnd: function CanvasGraphics_paintFormXObjectEnd() { + this.restore(); + this.baseTransform = this.baseTransformStack.pop(); + }, + + beginGroup: function CanvasGraphics_beginGroup(group) { + this.save(); + var currentCtx = this.ctx; + // TODO non-isolated groups - according to Rik at adobe non-isolated + // group results aren't usually that different and they even have tools + // that ignore this setting. Notes from Rik on implmenting: + // - When you encounter an transparency group, create a new canvas with + // the dimensions of the bbox + // - copy the content from the previous canvas to the new canvas + // - draw as usual + // - remove the backdrop alpha: + // alphaNew = 1 - (1 - alpha)/(1 - alphaBackdrop) with 'alpha' the alpha + // value of your transparency group and 'alphaBackdrop' the alpha of the + // backdrop + // - remove background color: + // colorNew = color - alphaNew *colorBackdrop /(1 - alphaNew) + if (!group.isolated) { + info('TODO: Support non-isolated groups.'); + } + + // TODO knockout - supposedly possible with the clever use of compositing + // modes. + if (group.knockout) { + warn('Knockout groups not supported.'); + } + + var currentTransform = currentCtx.mozCurrentTransform; + if (group.matrix) { + currentCtx.transform.apply(currentCtx, group.matrix); + } + assert(group.bbox, 'Bounding box is required.'); + + // Based on the current transform figure out how big the bounding box + // will actually be. + var bounds = Util.getAxialAlignedBoundingBox( + group.bbox, + currentCtx.mozCurrentTransform); + // Clip the bounding box to the current canvas. + var canvasBounds = [0, + 0, + currentCtx.canvas.width, + currentCtx.canvas.height]; + bounds = Util.intersect(bounds, canvasBounds) || [0, 0, 0, 0]; + // Use ceil in case we're between sizes so we don't create canvas that is + // too small and make the canvas at least 1x1 pixels. + var offsetX = Math.floor(bounds[0]); + var offsetY = Math.floor(bounds[1]); + var drawnWidth = Math.max(Math.ceil(bounds[2]) - offsetX, 1); + var drawnHeight = Math.max(Math.ceil(bounds[3]) - offsetY, 1); + var scaleX = 1, scaleY = 1; + if (drawnWidth > MAX_GROUP_SIZE) { + scaleX = drawnWidth / MAX_GROUP_SIZE; + drawnWidth = MAX_GROUP_SIZE; + } + if (drawnHeight > MAX_GROUP_SIZE) { + scaleY = drawnHeight / MAX_GROUP_SIZE; + drawnHeight = MAX_GROUP_SIZE; + } + + var cacheId = 'groupAt' + this.groupLevel; + if (group.smask) { + // Using two cache entries is case if masks are used one after another. + cacheId += '_smask_' + ((this.smaskCounter++) % 2); + } + var scratchCanvas = this.cachedCanvases.getCanvas( + cacheId, drawnWidth, drawnHeight, true); + var groupCtx = scratchCanvas.context; + + // Since we created a new canvas that is just the size of the bounding box + // we have to translate the group ctx. + groupCtx.scale(1 / scaleX, 1 / scaleY); + groupCtx.translate(-offsetX, -offsetY); + groupCtx.transform.apply(groupCtx, currentTransform); + + if (group.smask) { + // Saving state and cached mask to be used in setGState. + this.smaskStack.push({ + canvas: scratchCanvas.canvas, + context: groupCtx, + offsetX: offsetX, + offsetY: offsetY, + scaleX: scaleX, + scaleY: scaleY, + subtype: group.smask.subtype, + backdrop: group.smask.backdrop, + transferMap: group.smask.transferMap || null + }); + } else { + // Setup the current ctx so when the group is popped we draw it at the + // right location. + currentCtx.setTransform(1, 0, 0, 1, 0, 0); + currentCtx.translate(offsetX, offsetY); + currentCtx.scale(scaleX, scaleY); + } + // The transparency group inherits all off the current graphics state + // except the blend mode, soft mask, and alpha constants. + copyCtxState(currentCtx, groupCtx); + this.ctx = groupCtx; + this.setGState([ + ['BM', 'Normal'], + ['ca', 1], + ['CA', 1] + ]); + this.groupStack.push(currentCtx); + this.groupLevel++; + }, + + endGroup: function CanvasGraphics_endGroup(group) { + this.groupLevel--; + var groupCtx = this.ctx; + this.ctx = this.groupStack.pop(); + // Turn off image smoothing to avoid sub pixel interpolation which can + // look kind of blurry for some pdfs. + if (this.ctx.imageSmoothingEnabled !== undefined) { + this.ctx.imageSmoothingEnabled = false; + } else { + this.ctx.mozImageSmoothingEnabled = false; + } + if (group.smask) { + this.tempSMask = this.smaskStack.pop(); + } else { + this.ctx.drawImage(groupCtx.canvas, 0, 0); + } + this.restore(); + }, + + beginAnnotations: function CanvasGraphics_beginAnnotations() { + this.save(); + this.current = new CanvasExtraState(); + + if (this.baseTransform) { + this.ctx.setTransform.apply(this.ctx, this.baseTransform); + } + }, + + endAnnotations: function CanvasGraphics_endAnnotations() { + this.restore(); + }, + + beginAnnotation: function CanvasGraphics_beginAnnotation(rect, transform, + matrix) { + this.save(); + + if (isArray(rect) && 4 === rect.length) { + var width = rect[2] - rect[0]; + var height = rect[3] - rect[1]; + this.ctx.rect(rect[0], rect[1], width, height); + this.clip(); + this.endPath(); + } + + this.transform.apply(this, transform); + this.transform.apply(this, matrix); + }, + + endAnnotation: function CanvasGraphics_endAnnotation() { + this.restore(); + }, + + paintJpegXObject: function CanvasGraphics_paintJpegXObject(objId, w, h) { + var domImage = this.objs.get(objId); + if (!domImage) { + warn('Dependent image isn\'t ready yet'); + return; + } + + this.save(); + + var ctx = this.ctx; + // scale the image to the unit square + ctx.scale(1 / w, -1 / h); + + ctx.drawImage(domImage, 0, 0, domImage.width, domImage.height, + 0, -h, w, h); + if (this.imageLayer) { + var currentTransform = ctx.mozCurrentTransformInverse; + var position = this.getCanvasPosition(0, 0); + this.imageLayer.appendImage({ + objId: objId, + left: position[0], + top: position[1], + width: w / currentTransform[0], + height: h / currentTransform[3] + }); + } + this.restore(); + }, + + paintImageMaskXObject: function CanvasGraphics_paintImageMaskXObject(img) { + var ctx = this.ctx; + var width = img.width, height = img.height; + var fillColor = this.current.fillColor; + var isPatternFill = this.current.patternFill; + + var glyph = this.processingType3; + + if (COMPILE_TYPE3_GLYPHS && glyph && glyph.compiled === undefined) { + if (width <= MAX_SIZE_TO_COMPILE && height <= MAX_SIZE_TO_COMPILE) { + glyph.compiled = + compileType3Glyph({data: img.data, width: width, height: height}); + } else { + glyph.compiled = null; + } + } + + if (glyph && glyph.compiled) { + glyph.compiled(ctx); + return; + } + + var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', + width, height); + var maskCtx = maskCanvas.context; + maskCtx.save(); + + putBinaryImageMask(maskCtx, img); + + maskCtx.globalCompositeOperation = 'source-in'; + + maskCtx.fillStyle = isPatternFill ? + fillColor.getPattern(maskCtx, this) : fillColor; + maskCtx.fillRect(0, 0, width, height); + + maskCtx.restore(); + + this.paintInlineImageXObject(maskCanvas.canvas); + }, + + paintImageMaskXObjectRepeat: + function CanvasGraphics_paintImageMaskXObjectRepeat(imgData, scaleX, + scaleY, positions) { + var width = imgData.width; + var height = imgData.height; + var fillColor = this.current.fillColor; + var isPatternFill = this.current.patternFill; + + var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', + width, height); + var maskCtx = maskCanvas.context; + maskCtx.save(); + + putBinaryImageMask(maskCtx, imgData); + + maskCtx.globalCompositeOperation = 'source-in'; + + maskCtx.fillStyle = isPatternFill ? + fillColor.getPattern(maskCtx, this) : fillColor; + maskCtx.fillRect(0, 0, width, height); + + maskCtx.restore(); + + var ctx = this.ctx; + for (var i = 0, ii = positions.length; i < ii; i += 2) { + ctx.save(); + ctx.transform(scaleX, 0, 0, scaleY, positions[i], positions[i + 1]); + ctx.scale(1, -1); + ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, + 0, -1, 1, 1); + ctx.restore(); + } + }, + + paintImageMaskXObjectGroup: + function CanvasGraphics_paintImageMaskXObjectGroup(images) { + var ctx = this.ctx; + + var fillColor = this.current.fillColor; + var isPatternFill = this.current.patternFill; + for (var i = 0, ii = images.length; i < ii; i++) { + var image = images[i]; + var width = image.width, height = image.height; + + var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', + width, height); + var maskCtx = maskCanvas.context; + maskCtx.save(); + + putBinaryImageMask(maskCtx, image); + + maskCtx.globalCompositeOperation = 'source-in'; + + maskCtx.fillStyle = isPatternFill ? + fillColor.getPattern(maskCtx, this) : fillColor; + maskCtx.fillRect(0, 0, width, height); + + maskCtx.restore(); + + ctx.save(); + ctx.transform.apply(ctx, image.transform); + ctx.scale(1, -1); + ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, + 0, -1, 1, 1); + ctx.restore(); + } + }, + + paintImageXObject: function CanvasGraphics_paintImageXObject(objId) { + var imgData = this.objs.get(objId); + if (!imgData) { + warn('Dependent image isn\'t ready yet'); + return; + } + + this.paintInlineImageXObject(imgData); + }, + + paintImageXObjectRepeat: + function CanvasGraphics_paintImageXObjectRepeat(objId, scaleX, scaleY, + positions) { + var imgData = this.objs.get(objId); + if (!imgData) { + warn('Dependent image isn\'t ready yet'); + return; + } + + var width = imgData.width; + var height = imgData.height; + var map = []; + for (var i = 0, ii = positions.length; i < ii; i += 2) { + map.push({transform: [scaleX, 0, 0, scaleY, positions[i], + positions[i + 1]], x: 0, y: 0, w: width, h: height}); + } + this.paintInlineImageXObjectGroup(imgData, map); + }, + + paintInlineImageXObject: + function CanvasGraphics_paintInlineImageXObject(imgData) { + var width = imgData.width; + var height = imgData.height; + var ctx = this.ctx; + + this.save(); + // scale the image to the unit square + ctx.scale(1 / width, -1 / height); + + var currentTransform = ctx.mozCurrentTransformInverse; + var a = currentTransform[0], b = currentTransform[1]; + var widthScale = Math.max(Math.sqrt(a * a + b * b), 1); + var c = currentTransform[2], d = currentTransform[3]; + var heightScale = Math.max(Math.sqrt(c * c + d * d), 1); + + var imgToPaint, tmpCanvas; + // instanceof HTMLElement does not work in jsdom node.js module + if (imgData instanceof HTMLElement || !imgData.data) { + imgToPaint = imgData; + } else { + tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', + width, height); + var tmpCtx = tmpCanvas.context; + putBinaryImageData(tmpCtx, imgData); + imgToPaint = tmpCanvas.canvas; + } + + var paintWidth = width, paintHeight = height; + var tmpCanvasId = 'prescale1'; + // Vertial or horizontal scaling shall not be more than 2 to not loose the + // pixels during drawImage operation, painting on the temporary canvas(es) + // that are twice smaller in size + while ((widthScale > 2 && paintWidth > 1) || + (heightScale > 2 && paintHeight > 1)) { + var newWidth = paintWidth, newHeight = paintHeight; + if (widthScale > 2 && paintWidth > 1) { + newWidth = Math.ceil(paintWidth / 2); + widthScale /= paintWidth / newWidth; + } + if (heightScale > 2 && paintHeight > 1) { + newHeight = Math.ceil(paintHeight / 2); + heightScale /= paintHeight / newHeight; + } + tmpCanvas = this.cachedCanvases.getCanvas(tmpCanvasId, + newWidth, newHeight); + tmpCtx = tmpCanvas.context; + tmpCtx.clearRect(0, 0, newWidth, newHeight); + tmpCtx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, + 0, 0, newWidth, newHeight); + imgToPaint = tmpCanvas.canvas; + paintWidth = newWidth; + paintHeight = newHeight; + tmpCanvasId = tmpCanvasId === 'prescale1' ? 'prescale2' : 'prescale1'; + } + ctx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, + 0, -height, width, height); + + if (this.imageLayer) { + var position = this.getCanvasPosition(0, -height); + this.imageLayer.appendImage({ + imgData: imgData, + left: position[0], + top: position[1], + width: width / currentTransform[0], + height: height / currentTransform[3] + }); + } + this.restore(); + }, + + paintInlineImageXObjectGroup: + function CanvasGraphics_paintInlineImageXObjectGroup(imgData, map) { + var ctx = this.ctx; + var w = imgData.width; + var h = imgData.height; + + var tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', w, h); + var tmpCtx = tmpCanvas.context; + putBinaryImageData(tmpCtx, imgData); + + for (var i = 0, ii = map.length; i < ii; i++) { + var entry = map[i]; + ctx.save(); + ctx.transform.apply(ctx, entry.transform); + ctx.scale(1, -1); + ctx.drawImage(tmpCanvas.canvas, entry.x, entry.y, entry.w, entry.h, + 0, -1, 1, 1); + if (this.imageLayer) { + var position = this.getCanvasPosition(entry.x, entry.y); + this.imageLayer.appendImage({ + imgData: imgData, + left: position[0], + top: position[1], + width: w, + height: h + }); + } + ctx.restore(); + } + }, + + paintSolidColorImageMask: + function CanvasGraphics_paintSolidColorImageMask() { + this.ctx.fillRect(0, 0, 1, 1); + }, + + paintXObject: function CanvasGraphics_paintXObject() { + warn('Unsupported \'paintXObject\' command.'); + }, + + // Marked content + + markPoint: function CanvasGraphics_markPoint(tag) { + // TODO Marked content. + }, + markPointProps: function CanvasGraphics_markPointProps(tag, properties) { + // TODO Marked content. + }, + beginMarkedContent: function CanvasGraphics_beginMarkedContent(tag) { + // TODO Marked content. + }, + beginMarkedContentProps: function CanvasGraphics_beginMarkedContentProps( + tag, properties) { + // TODO Marked content. + }, + endMarkedContent: function CanvasGraphics_endMarkedContent() { + // TODO Marked content. + }, + + // Compatibility + + beginCompat: function CanvasGraphics_beginCompat() { + // TODO ignore undefined operators (should we do that anyway?) + }, + endCompat: function CanvasGraphics_endCompat() { + // TODO stop ignoring undefined operators + }, + + // Helper functions + + consumePath: function CanvasGraphics_consumePath() { + var ctx = this.ctx; + if (this.pendingClip) { + if (this.pendingClip === EO_CLIP) { + if (ctx.mozFillRule !== undefined) { + ctx.mozFillRule = 'evenodd'; + ctx.clip(); + ctx.mozFillRule = 'nonzero'; + } else { + ctx.clip('evenodd'); + } + } else { + ctx.clip(); + } + this.pendingClip = null; + } + ctx.beginPath(); + }, + getSinglePixelWidth: function CanvasGraphics_getSinglePixelWidth(scale) { + if (this.cachedGetSinglePixelWidth === null) { + var inverse = this.ctx.mozCurrentTransformInverse; + // max of the current horizontal and vertical scale + this.cachedGetSinglePixelWidth = Math.sqrt(Math.max( + (inverse[0] * inverse[0] + inverse[1] * inverse[1]), + (inverse[2] * inverse[2] + inverse[3] * inverse[3]))); + } + return this.cachedGetSinglePixelWidth; + }, + getCanvasPosition: function CanvasGraphics_getCanvasPosition(x, y) { + var transform = this.ctx.mozCurrentTransform; + return [ + transform[0] * x + transform[2] * y + transform[4], + transform[1] * x + transform[3] * y + transform[5] + ]; + } + }; + + for (var op in OPS) { + CanvasGraphics.prototype[OPS[op]] = CanvasGraphics.prototype[op]; + } + + return CanvasGraphics; +})(); + +exports.CanvasGraphics = CanvasGraphics; +exports.createScratchCanvas = createScratchCanvas; +})); + + +(function (root, factory) { + { + factory((root.pdfjsDisplayAPI = {}), root.pdfjsSharedUtil, + root.pdfjsDisplayFontLoader, root.pdfjsDisplayCanvas, + root.pdfjsDisplayMetadata, root.pdfjsSharedGlobal); + } +}(this, function (exports, sharedUtil, displayFontLoader, displayCanvas, + displayMetadata, sharedGlobal, amdRequire) { + +var InvalidPDFException = sharedUtil.InvalidPDFException; +var MessageHandler = sharedUtil.MessageHandler; +var MissingPDFException = sharedUtil.MissingPDFException; +var PasswordResponses = sharedUtil.PasswordResponses; +var PasswordException = sharedUtil.PasswordException; +var StatTimer = sharedUtil.StatTimer; +var UnexpectedResponseException = sharedUtil.UnexpectedResponseException; +var UnknownErrorException = sharedUtil.UnknownErrorException; +var Util = sharedUtil.Util; +var createPromiseCapability = sharedUtil.createPromiseCapability; +var combineUrl = sharedUtil.combineUrl; +var error = sharedUtil.error; +var deprecated = sharedUtil.deprecated; +var info = sharedUtil.info; +var isArrayBuffer = sharedUtil.isArrayBuffer; +var loadJpegStream = sharedUtil.loadJpegStream; +var stringToBytes = sharedUtil.stringToBytes; +var warn = sharedUtil.warn; +var FontFaceObject = displayFontLoader.FontFaceObject; +var FontLoader = displayFontLoader.FontLoader; +var CanvasGraphics = displayCanvas.CanvasGraphics; +var createScratchCanvas = displayCanvas.createScratchCanvas; +var Metadata = displayMetadata.Metadata; +var PDFJS = sharedGlobal.PDFJS; +var globalScope = sharedGlobal.globalScope; + +var DEFAULT_RANGE_CHUNK_SIZE = 65536; // 2^16 = 65536 + + +var useRequireEnsure = false; +if (typeof module !== 'undefined' && module.require) { + // node.js - disable worker and set require.ensure. + PDFJS.disableWorker = true; + if (typeof require.ensure === 'undefined') { + require.ensure = require('node-ensure'); + } + useRequireEnsure = true; +} +if (typeof __webpack_require__ !== 'undefined') { + // Webpack - get/bundle pdf.worker.js as additional file. + PDFJS.workerSrc = require('entry?name=[hash]-worker.js!./pdf.worker.js'); + useRequireEnsure = true; +} +if (typeof requirejs !== 'undefined' && requirejs.toUrl) { + PDFJS.workerSrc = requirejs.toUrl('pdfjs-dist/build/pdf.worker.js'); +} +var fakeWorkerFilesLoader = useRequireEnsure ? (function (callback) { + require.ensure([], function () { + require('./pdf.worker.js'); + callback(); + }); +}) : (typeof requirejs !== 'undefined') ? (function (callback) { + requirejs(['pdfjs-dist/build/pdf.worker'], function (worker) { + callback(); + }); +}) : null; + + +/** + * The maximum allowed image size in total pixels e.g. width * height. Images + * above this value will not be drawn. Use -1 for no limit. + * @var {number} + */ +PDFJS.maxImageSize = (PDFJS.maxImageSize === undefined ? + -1 : PDFJS.maxImageSize); + +/** + * The url of where the predefined Adobe CMaps are located. Include trailing + * slash. + * @var {string} + */ +PDFJS.cMapUrl = (PDFJS.cMapUrl === undefined ? null : PDFJS.cMapUrl); + +/** + * Specifies if CMaps are binary packed. + * @var {boolean} + */ +PDFJS.cMapPacked = PDFJS.cMapPacked === undefined ? false : PDFJS.cMapPacked; + +/** + * By default fonts are converted to OpenType fonts and loaded via font face + * rules. If disabled, the font will be rendered using a built in font renderer + * that constructs the glyphs with primitive path commands. + * @var {boolean} + */ +PDFJS.disableFontFace = (PDFJS.disableFontFace === undefined ? + false : PDFJS.disableFontFace); + +/** + * Path for image resources, mainly for annotation icons. Include trailing + * slash. + * @var {string} + */ +PDFJS.imageResourcesPath = (PDFJS.imageResourcesPath === undefined ? + '' : PDFJS.imageResourcesPath); + +/** + * Disable the web worker and run all code on the main thread. This will happen + * automatically if the browser doesn't support workers or sending typed arrays + * to workers. + * @var {boolean} + */ +PDFJS.disableWorker = (PDFJS.disableWorker === undefined ? + false : PDFJS.disableWorker); + +/** + * Path and filename of the worker file. Required when the worker is enabled in + * development mode. If unspecified in the production build, the worker will be + * loaded based on the location of the pdf.js file. It is recommended that + * the workerSrc is set in a custom application to prevent issues caused by + * third-party frameworks and libraries. + * @var {string} + */ +PDFJS.workerSrc = (PDFJS.workerSrc === undefined ? null : PDFJS.workerSrc); + +/** + * Disable range request loading of PDF files. When enabled and if the server + * supports partial content requests then the PDF will be fetched in chunks. + * Enabled (false) by default. + * @var {boolean} + */ +PDFJS.disableRange = (PDFJS.disableRange === undefined ? + false : PDFJS.disableRange); + +/** + * Disable streaming of PDF file data. By default PDF.js attempts to load PDF + * in chunks. This default behavior can be disabled. + * @var {boolean} + */ +PDFJS.disableStream = (PDFJS.disableStream === undefined ? + false : PDFJS.disableStream); + +/** + * Disable pre-fetching of PDF file data. When range requests are enabled PDF.js + * will automatically keep fetching more data even if it isn't needed to display + * the current page. This default behavior can be disabled. + * + * NOTE: It is also necessary to disable streaming, see above, + * in order for disabling of pre-fetching to work correctly. + * @var {boolean} + */ +PDFJS.disableAutoFetch = (PDFJS.disableAutoFetch === undefined ? + false : PDFJS.disableAutoFetch); + +/** + * Enables special hooks for debugging PDF.js. + * @var {boolean} + */ +PDFJS.pdfBug = (PDFJS.pdfBug === undefined ? false : PDFJS.pdfBug); + +/** + * Enables transfer usage in postMessage for ArrayBuffers. + * @var {boolean} + */ +PDFJS.postMessageTransfers = (PDFJS.postMessageTransfers === undefined ? + true : PDFJS.postMessageTransfers); + +/** + * Disables URL.createObjectURL usage. + * @var {boolean} + */ +PDFJS.disableCreateObjectURL = (PDFJS.disableCreateObjectURL === undefined ? + false : PDFJS.disableCreateObjectURL); + +/** + * Disables WebGL usage. + * @var {boolean} + */ +PDFJS.disableWebGL = (PDFJS.disableWebGL === undefined ? + true : PDFJS.disableWebGL); + +/** + * Disables fullscreen support, and by extension Presentation Mode, + * in browsers which support the fullscreen API. + * @var {boolean} + */ +PDFJS.disableFullscreen = (PDFJS.disableFullscreen === undefined ? + false : PDFJS.disableFullscreen); + +/** + * Enables CSS only zooming. + * @var {boolean} + */ +PDFJS.useOnlyCssZoom = (PDFJS.useOnlyCssZoom === undefined ? + false : PDFJS.useOnlyCssZoom); + +/** + * Controls the logging level. + * The constants from PDFJS.VERBOSITY_LEVELS should be used: + * - errors + * - warnings [default] + * - infos + * @var {number} + */ +PDFJS.verbosity = (PDFJS.verbosity === undefined ? + PDFJS.VERBOSITY_LEVELS.warnings : PDFJS.verbosity); + +/** + * The maximum supported canvas size in total pixels e.g. width * height. + * The default value is 4096 * 4096. Use -1 for no limit. + * @var {number} + */ +PDFJS.maxCanvasPixels = (PDFJS.maxCanvasPixels === undefined ? + 16777216 : PDFJS.maxCanvasPixels); + +/** + * (Deprecated) Opens external links in a new window if enabled. + * The default behavior opens external links in the PDF.js window. + * + * NOTE: This property has been deprecated, please use + * `PDFJS.externalLinkTarget = PDFJS.LinkTarget.BLANK` instead. + * @var {boolean} + */ +PDFJS.openExternalLinksInNewWindow = ( + PDFJS.openExternalLinksInNewWindow === undefined ? + false : PDFJS.openExternalLinksInNewWindow); + +/** + * Specifies the |target| attribute for external links. + * The constants from PDFJS.LinkTarget should be used: + * - NONE [default] + * - SELF + * - BLANK + * - PARENT + * - TOP + * @var {number} + */ +PDFJS.externalLinkTarget = (PDFJS.externalLinkTarget === undefined ? + PDFJS.LinkTarget.NONE : PDFJS.externalLinkTarget); + +/** + * Specifies the |rel| attribute for external links. Defaults to stripping + * the referrer. + * @var {string} + */ +PDFJS.externalLinkRel = (PDFJS.externalLinkRel === undefined ? + 'noreferrer' : PDFJS.externalLinkRel); + +/** + * Determines if we can eval strings as JS. Primarily used to improve + * performance for font rendering. + * @var {boolean} + */ +PDFJS.isEvalSupported = (PDFJS.isEvalSupported === undefined ? + true : PDFJS.isEvalSupported); + +/** + * Document initialization / loading parameters object. + * + * @typedef {Object} DocumentInitParameters + * @property {string} url - The URL of the PDF. + * @property {TypedArray|Array|string} data - Binary PDF data. Use typed arrays + * (Uint8Array) to improve the memory usage. If PDF data is BASE64-encoded, + * use atob() to convert it to a binary string first. + * @property {Object} httpHeaders - Basic authentication headers. + * @property {boolean} withCredentials - Indicates whether or not cross-site + * Access-Control requests should be made using credentials such as cookies + * or authorization headers. The default is false. + * @property {string} password - For decrypting password-protected PDFs. + * @property {TypedArray} initialData - A typed array with the first portion or + * all of the pdf data. Used by the extension since some data is already + * loaded before the switch to range requests. + * @property {number} length - The PDF file length. It's used for progress + * reports and range requests operations. + * @property {PDFDataRangeTransport} range + * @property {number} rangeChunkSize - Optional parameter to specify + * maximum number of bytes fetched per range request. The default value is + * 2^16 = 65536. + * @property {PDFWorker} worker - The worker that will be used for the loading + * and parsing of the PDF data. + */ + +/** + * @typedef {Object} PDFDocumentStats + * @property {Array} streamTypes - Used stream types in the document (an item + * is set to true if specific stream ID was used in the document). + * @property {Array} fontTypes - Used font type in the document (an item is set + * to true if specific font ID was used in the document). + */ + +/** + * This is the main entry point for loading a PDF and interacting with it. + * NOTE: If a URL is used to fetch the PDF data a standard XMLHttpRequest(XHR) + * is used, which means it must follow the same origin rules that any XHR does + * e.g. No cross domain requests without CORS. + * + * @param {string|TypedArray|DocumentInitParameters|PDFDataRangeTransport} src + * Can be a url to where a PDF is located, a typed array (Uint8Array) + * already populated with data or parameter object. + * + * @param {PDFDataRangeTransport} pdfDataRangeTransport (deprecated) It is used + * if you want to manually serve range requests for data in the PDF. + * + * @param {function} passwordCallback (deprecated) It is used to request a + * password if wrong or no password was provided. The callback receives two + * parameters: function that needs to be called with new password and reason + * (see {PasswordResponses}). + * + * @param {function} progressCallback (deprecated) It is used to be able to + * monitor the loading progress of the PDF file (necessary to implement e.g. + * a loading bar). The callback receives an {Object} with the properties: + * {number} loaded and {number} total. + * + * @return {PDFDocumentLoadingTask} + */ +PDFJS.getDocument = function getDocument(src, + pdfDataRangeTransport, + passwordCallback, + progressCallback) { + var task = new PDFDocumentLoadingTask(); + + // Support of the obsolete arguments (for compatibility with API v1.0) + if (arguments.length > 1) { + deprecated('getDocument is called with pdfDataRangeTransport, ' + + 'passwordCallback or progressCallback argument'); + } + if (pdfDataRangeTransport) { + if (!(pdfDataRangeTransport instanceof PDFDataRangeTransport)) { + // Not a PDFDataRangeTransport instance, trying to add missing properties. + pdfDataRangeTransport = Object.create(pdfDataRangeTransport); + pdfDataRangeTransport.length = src.length; + pdfDataRangeTransport.initialData = src.initialData; + if (!pdfDataRangeTransport.abort) { + pdfDataRangeTransport.abort = function () {}; + } + } + src = Object.create(src); + src.range = pdfDataRangeTransport; + } + task.onPassword = passwordCallback || null; + task.onProgress = progressCallback || null; + + var source; + if (typeof src === 'string') { + source = { url: src }; + } else if (isArrayBuffer(src)) { + source = { data: src }; + } else if (src instanceof PDFDataRangeTransport) { + source = { range: src }; + } else { + if (typeof src !== 'object') { + error('Invalid parameter in getDocument, need either Uint8Array, ' + + 'string or a parameter object'); + } + if (!src.url && !src.data && !src.range) { + error('Invalid parameter object: need either .data, .range or .url'); + } + + source = src; + } + + var params = {}; + var rangeTransport = null; + var worker = null; + for (var key in source) { + if (key === 'url' && typeof window !== 'undefined') { + // The full path is required in the 'url' field. + params[key] = combineUrl(window.location.href, source[key]); + continue; + } else if (key === 'range') { + rangeTransport = source[key]; + continue; + } else if (key === 'worker') { + worker = source[key]; + continue; + } else if (key === 'data' && !(source[key] instanceof Uint8Array)) { + // Converting string or array-like data to Uint8Array. + var pdfBytes = source[key]; + if (typeof pdfBytes === 'string') { + params[key] = stringToBytes(pdfBytes); + } else if (typeof pdfBytes === 'object' && pdfBytes !== null && + !isNaN(pdfBytes.length)) { + params[key] = new Uint8Array(pdfBytes); + } else if (isArrayBuffer(pdfBytes)) { + params[key] = new Uint8Array(pdfBytes); + } else { + error('Invalid PDF binary data: either typed array, string or ' + + 'array-like object is expected in the data property.'); + } + continue; + } + params[key] = source[key]; + } + + params.rangeChunkSize = params.rangeChunkSize || DEFAULT_RANGE_CHUNK_SIZE; + + if (!worker) { + // Worker was not provided -- creating and owning our own. + worker = new PDFWorker(); + task._worker = worker; + } + var docId = task.docId; + worker.promise.then(function () { + if (task.destroyed) { + throw new Error('Loading aborted'); + } + return _fetchDocument(worker, params, rangeTransport, docId).then( + function (workerId) { + if (task.destroyed) { + throw new Error('Loading aborted'); + } + var messageHandler = new MessageHandler(docId, workerId, worker.port); + messageHandler.send('Ready', null); + var transport = new WorkerTransport(messageHandler, task, rangeTransport); + task._transport = transport; + }); + }).catch(task._capability.reject); + + return task; +}; + +/** + * Starts fetching of specified PDF document/data. + * @param {PDFWorker} worker + * @param {Object} source + * @param {PDFDataRangeTransport} pdfDataRangeTransport + * @param {string} docId Unique document id, used as MessageHandler id. + * @returns {Promise} The promise, which is resolved when worker id of + * MessageHandler is known. + * @private + */ +function _fetchDocument(worker, source, pdfDataRangeTransport, docId) { + if (worker.destroyed) { + return Promise.reject(new Error('Worker was destroyed')); + } + + source.disableAutoFetch = PDFJS.disableAutoFetch; + source.disableStream = PDFJS.disableStream; + source.chunkedViewerLoading = !!pdfDataRangeTransport; + if (pdfDataRangeTransport) { + source.length = pdfDataRangeTransport.length; + source.initialData = pdfDataRangeTransport.initialData; + } + return worker.messageHandler.sendWithPromise('GetDocRequest', { + docId: docId, + source: source, + disableRange: PDFJS.disableRange, + maxImageSize: PDFJS.maxImageSize, + cMapUrl: PDFJS.cMapUrl, + cMapPacked: PDFJS.cMapPacked, + disableFontFace: PDFJS.disableFontFace, + disableCreateObjectURL: PDFJS.disableCreateObjectURL, + verbosity: PDFJS.verbosity + }).then(function (workerId) { + if (worker.destroyed) { + throw new Error('Worker was destroyed'); + } + return workerId; + }); +} + +/** + * PDF document loading operation. + * @class + * @alias PDFDocumentLoadingTask + */ +var PDFDocumentLoadingTask = (function PDFDocumentLoadingTaskClosure() { + var nextDocumentId = 0; + + /** @constructs PDFDocumentLoadingTask */ + function PDFDocumentLoadingTask() { + this._capability = createPromiseCapability(); + this._transport = null; + this._worker = null; + + /** + * Unique document loading task id -- used in MessageHandlers. + * @type {string} + */ + this.docId = 'd' + (nextDocumentId++); + + /** + * Shows if loading task is destroyed. + * @type {boolean} + */ + this.destroyed = false; + + /** + * Callback to request a password if wrong or no password was provided. + * The callback receives two parameters: function that needs to be called + * with new password and reason (see {PasswordResponses}). + */ + this.onPassword = null; + + /** + * Callback to be able to monitor the loading progress of the PDF file + * (necessary to implement e.g. a loading bar). The callback receives + * an {Object} with the properties: {number} loaded and {number} total. + */ + this.onProgress = null; + + /** + * Callback to when unsupported feature is used. The callback receives + * an {PDFJS.UNSUPPORTED_FEATURES} argument. + */ + this.onUnsupportedFeature = null; + } + + PDFDocumentLoadingTask.prototype = + /** @lends PDFDocumentLoadingTask.prototype */ { + /** + * @return {Promise} + */ + get promise() { + return this._capability.promise; + }, + + /** + * Aborts all network requests and destroys worker. + * @return {Promise} A promise that is resolved after destruction activity + * is completed. + */ + destroy: function () { + this.destroyed = true; + + var transportDestroyed = !this._transport ? Promise.resolve() : + this._transport.destroy(); + return transportDestroyed.then(function () { + this._transport = null; + if (this._worker) { + this._worker.destroy(); + this._worker = null; + } + }.bind(this)); + }, + + /** + * Registers callbacks to indicate the document loading completion. + * + * @param {function} onFulfilled The callback for the loading completion. + * @param {function} onRejected The callback for the loading failure. + * @return {Promise} A promise that is resolved after the onFulfilled or + * onRejected callback. + */ + then: function PDFDocumentLoadingTask_then(onFulfilled, onRejected) { + return this.promise.then.apply(this.promise, arguments); + } + }; + + return PDFDocumentLoadingTask; +})(); + +/** + * Abstract class to support range requests file loading. + * @class + * @alias PDFJS.PDFDataRangeTransport + * @param {number} length + * @param {Uint8Array} initialData + */ +var PDFDataRangeTransport = (function pdfDataRangeTransportClosure() { + function PDFDataRangeTransport(length, initialData) { + this.length = length; + this.initialData = initialData; + + this._rangeListeners = []; + this._progressListeners = []; + this._progressiveReadListeners = []; + this._readyCapability = createPromiseCapability(); + } + PDFDataRangeTransport.prototype = + /** @lends PDFDataRangeTransport.prototype */ { + addRangeListener: + function PDFDataRangeTransport_addRangeListener(listener) { + this._rangeListeners.push(listener); + }, + + addProgressListener: + function PDFDataRangeTransport_addProgressListener(listener) { + this._progressListeners.push(listener); + }, + + addProgressiveReadListener: + function PDFDataRangeTransport_addProgressiveReadListener(listener) { + this._progressiveReadListeners.push(listener); + }, + + onDataRange: function PDFDataRangeTransport_onDataRange(begin, chunk) { + var listeners = this._rangeListeners; + for (var i = 0, n = listeners.length; i < n; ++i) { + listeners[i](begin, chunk); + } + }, + + onDataProgress: function PDFDataRangeTransport_onDataProgress(loaded) { + this._readyCapability.promise.then(function () { + var listeners = this._progressListeners; + for (var i = 0, n = listeners.length; i < n; ++i) { + listeners[i](loaded); + } + }.bind(this)); + }, + + onDataProgressiveRead: + function PDFDataRangeTransport_onDataProgress(chunk) { + this._readyCapability.promise.then(function () { + var listeners = this._progressiveReadListeners; + for (var i = 0, n = listeners.length; i < n; ++i) { + listeners[i](chunk); + } + }.bind(this)); + }, + + transportReady: function PDFDataRangeTransport_transportReady() { + this._readyCapability.resolve(); + }, + + requestDataRange: + function PDFDataRangeTransport_requestDataRange(begin, end) { + throw new Error('Abstract method PDFDataRangeTransport.requestDataRange'); + }, + + abort: function PDFDataRangeTransport_abort() { + } + }; + return PDFDataRangeTransport; +})(); + +PDFJS.PDFDataRangeTransport = PDFDataRangeTransport; + +/** + * Proxy to a PDFDocument in the worker thread. Also, contains commonly used + * properties that can be read synchronously. + * @class + * @alias PDFDocumentProxy + */ +var PDFDocumentProxy = (function PDFDocumentProxyClosure() { + function PDFDocumentProxy(pdfInfo, transport, loadingTask) { + this.pdfInfo = pdfInfo; + this.transport = transport; + this.loadingTask = loadingTask; + } + PDFDocumentProxy.prototype = /** @lends PDFDocumentProxy.prototype */ { + /** + * @return {number} Total number of pages the PDF contains. + */ + get numPages() { + return this.pdfInfo.numPages; + }, + /** + * @return {string} A unique ID to identify a PDF. Not guaranteed to be + * unique. + */ + get fingerprint() { + return this.pdfInfo.fingerprint; + }, + /** + * @param {number} pageNumber The page number to get. The first page is 1. + * @return {Promise} A promise that is resolved with a {@link PDFPageProxy} + * object. + */ + getPage: function PDFDocumentProxy_getPage(pageNumber) { + return this.transport.getPage(pageNumber); + }, + /** + * @param {{num: number, gen: number}} ref The page reference. Must have + * the 'num' and 'gen' properties. + * @return {Promise} A promise that is resolved with the page index that is + * associated with the reference. + */ + getPageIndex: function PDFDocumentProxy_getPageIndex(ref) { + return this.transport.getPageIndex(ref); + }, + /** + * @return {Promise} A promise that is resolved with a lookup table for + * mapping named destinations to reference numbers. + * + * This can be slow for large documents: use getDestination instead + */ + getDestinations: function PDFDocumentProxy_getDestinations() { + return this.transport.getDestinations(); + }, + /** + * @param {string} id The named destination to get. + * @return {Promise} A promise that is resolved with all information + * of the given named destination. + */ + getDestination: function PDFDocumentProxy_getDestination(id) { + return this.transport.getDestination(id); + }, + /** + * @return {Promise} A promise that is resolved with: + * an Array containing the pageLabels that correspond to the pageIndexes, + * or `null` when no pageLabels are present in the PDF file. + */ + getPageLabels: function PDFDocumentProxy_getPageLabels() { + return this.transport.getPageLabels(); + }, + /** + * @return {Promise} A promise that is resolved with a lookup table for + * mapping named attachments to their content. + */ + getAttachments: function PDFDocumentProxy_getAttachments() { + return this.transport.getAttachments(); + }, + /** + * @return {Promise} A promise that is resolved with an array of all the + * JavaScript strings in the name tree. + */ + getJavaScript: function PDFDocumentProxy_getJavaScript() { + return this.transport.getJavaScript(); + }, + /** + * @return {Promise} A promise that is resolved with an {Array} that is a + * tree outline (if it has one) of the PDF. The tree is in the format of: + * [ + * { + * title: string, + * bold: boolean, + * italic: boolean, + * color: rgb array, + * dest: dest obj, + * url: string, + * items: array of more items like this + * }, + * ... + * ]. + */ + getOutline: function PDFDocumentProxy_getOutline() { + return this.transport.getOutline(); + }, + /** + * @return {Promise} A promise that is resolved with an {Object} that has + * info and metadata properties. Info is an {Object} filled with anything + * available in the information dictionary and similarly metadata is a + * {Metadata} object with information from the metadata section of the PDF. + */ + getMetadata: function PDFDocumentProxy_getMetadata() { + return this.transport.getMetadata(); + }, + /** + * @return {Promise} A promise that is resolved with a TypedArray that has + * the raw data from the PDF. + */ + getData: function PDFDocumentProxy_getData() { + return this.transport.getData(); + }, + /** + * @return {Promise} A promise that is resolved when the document's data + * is loaded. It is resolved with an {Object} that contains the length + * property that indicates size of the PDF data in bytes. + */ + getDownloadInfo: function PDFDocumentProxy_getDownloadInfo() { + return this.transport.downloadInfoCapability.promise; + }, + /** + * @return {Promise} A promise this is resolved with current stats about + * document structures (see {@link PDFDocumentStats}). + */ + getStats: function PDFDocumentProxy_getStats() { + return this.transport.getStats(); + }, + /** + * Cleans up resources allocated by the document, e.g. created @font-face. + */ + cleanup: function PDFDocumentProxy_cleanup() { + this.transport.startCleanup(); + }, + /** + * Destroys current document instance and terminates worker. + */ + destroy: function PDFDocumentProxy_destroy() { + return this.loadingTask.destroy(); + } + }; + return PDFDocumentProxy; +})(); + +/** + * Page getTextContent parameters. + * + * @typedef {Object} getTextContentParameters + * @param {boolean} normalizeWhitespace - replaces all occurrences of + * whitespace with standard spaces (0x20). The default value is `false`. + */ + +/** + * Page text content. + * + * @typedef {Object} TextContent + * @property {array} items - array of {@link TextItem} + * @property {Object} styles - {@link TextStyles} objects, indexed by font + * name. + */ + +/** + * Page text content part. + * + * @typedef {Object} TextItem + * @property {string} str - text content. + * @property {string} dir - text direction: 'ttb', 'ltr' or 'rtl'. + * @property {array} transform - transformation matrix. + * @property {number} width - width in device space. + * @property {number} height - height in device space. + * @property {string} fontName - font name used by pdf.js for converted font. + */ + +/** + * Text style. + * + * @typedef {Object} TextStyle + * @property {number} ascent - font ascent. + * @property {number} descent - font descent. + * @property {boolean} vertical - text is in vertical mode. + * @property {string} fontFamily - possible font family + */ + +/** + * Page annotation parameters. + * + * @typedef {Object} GetAnnotationsParameters + * @param {string} intent - Determines the annotations that will be fetched, + * can be either 'display' (viewable annotations) or 'print' + * (printable annotations). + * If the parameter is omitted, all annotations are fetched. + */ + +/** + * Page render parameters. + * + * @typedef {Object} RenderParameters + * @property {Object} canvasContext - A 2D context of a DOM Canvas object. + * @property {PDFJS.PageViewport} viewport - Rendering viewport obtained by + * calling of PDFPage.getViewport method. + * @property {string} intent - Rendering intent, can be 'display' or 'print' + * (default value is 'display'). + * @property {Array} transform - (optional) Additional transform, applied + * just before viewport transform. + * @property {Object} imageLayer - (optional) An object that has beginLayout, + * endLayout and appendImage functions. + * @property {function} continueCallback - (deprecated) A function that will be + * called each time the rendering is paused. To continue + * rendering call the function that is the first argument + * to the callback. + */ + +/** + * PDF page operator list. + * + * @typedef {Object} PDFOperatorList + * @property {Array} fnArray - Array containing the operator functions. + * @property {Array} argsArray - Array containing the arguments of the + * functions. + */ + +/** + * Proxy to a PDFPage in the worker thread. + * @class + * @alias PDFPageProxy + */ +var PDFPageProxy = (function PDFPageProxyClosure() { + function PDFPageProxy(pageIndex, pageInfo, transport) { + this.pageIndex = pageIndex; + this.pageInfo = pageInfo; + this.transport = transport; + this.stats = new StatTimer(); + this.stats.enabled = !!globalScope.PDFJS.enableStats; + this.commonObjs = transport.commonObjs; + this.objs = new PDFObjects(); + this.cleanupAfterRender = false; + this.pendingCleanup = false; + this.intentStates = {}; + this.destroyed = false; + } + PDFPageProxy.prototype = /** @lends PDFPageProxy.prototype */ { + /** + * @return {number} Page number of the page. First page is 1. + */ + get pageNumber() { + return this.pageIndex + 1; + }, + /** + * @return {number} The number of degrees the page is rotated clockwise. + */ + get rotate() { + return this.pageInfo.rotate; + }, + /** + * @return {Object} The reference that points to this page. It has 'num' and + * 'gen' properties. + */ + get ref() { + return this.pageInfo.ref; + }, + /** + * @return {Array} An array of the visible portion of the PDF page in the + * user space units - [x1, y1, x2, y2]. + */ + get view() { + return this.pageInfo.view; + }, + /** + * @param {number} scale The desired scale of the viewport. + * @param {number} rotate Degrees to rotate the viewport. If omitted this + * defaults to the page rotation. + * @return {PDFJS.PageViewport} Contains 'width' and 'height' properties + * along with transforms required for rendering. + */ + getViewport: function PDFPageProxy_getViewport(scale, rotate) { + if (arguments.length < 2) { + rotate = this.rotate; + } + return new PDFJS.PageViewport(this.view, scale, rotate, 0, 0); + }, + /** + * @param {GetAnnotationsParameters} params - Annotation parameters. + * @return {Promise} A promise that is resolved with an {Array} of the + * annotation objects. + */ + getAnnotations: function PDFPageProxy_getAnnotations(params) { + var intent = (params && params.intent) || null; + + if (!this.annotationsPromise || this.annotationsIntent !== intent) { + this.annotationsPromise = this.transport.getAnnotations(this.pageIndex, + intent); + this.annotationsIntent = intent; + } + return this.annotationsPromise; + }, + /** + * Begins the process of rendering a page to the desired context. + * @param {RenderParameters} params Page render parameters. + * @return {RenderTask} An object that contains the promise, which + * is resolved when the page finishes rendering. + */ + render: function PDFPageProxy_render(params) { + var stats = this.stats; + stats.time('Overall'); + + // If there was a pending destroy cancel it so no cleanup happens during + // this call to render. + this.pendingCleanup = false; + + var renderingIntent = (params.intent === 'print' ? 'print' : 'display'); + + if (!this.intentStates[renderingIntent]) { + this.intentStates[renderingIntent] = {}; + } + var intentState = this.intentStates[renderingIntent]; + + // If there's no displayReadyCapability yet, then the operatorList + // was never requested before. Make the request and create the promise. + if (!intentState.displayReadyCapability) { + intentState.receivingOperatorList = true; + intentState.displayReadyCapability = createPromiseCapability(); + intentState.operatorList = { + fnArray: [], + argsArray: [], + lastChunk: false + }; + + this.stats.time('Page Request'); + this.transport.messageHandler.send('RenderPageRequest', { + pageIndex: this.pageNumber - 1, + intent: renderingIntent + }); + } + + var internalRenderTask = new InternalRenderTask(complete, params, + this.objs, + this.commonObjs, + intentState.operatorList, + this.pageNumber); + internalRenderTask.useRequestAnimationFrame = renderingIntent !== 'print'; + if (!intentState.renderTasks) { + intentState.renderTasks = []; + } + intentState.renderTasks.push(internalRenderTask); + var renderTask = internalRenderTask.task; + + // Obsolete parameter support + if (params.continueCallback) { + deprecated('render is used with continueCallback parameter'); + renderTask.onContinue = params.continueCallback; + } + + var self = this; + intentState.displayReadyCapability.promise.then( + function pageDisplayReadyPromise(transparency) { + if (self.pendingCleanup) { + complete(); + return; + } + stats.time('Rendering'); + internalRenderTask.initalizeGraphics(transparency); + internalRenderTask.operatorListChanged(); + }, + function pageDisplayReadPromiseError(reason) { + complete(reason); + } + ); + + function complete(error) { + var i = intentState.renderTasks.indexOf(internalRenderTask); + if (i >= 0) { + intentState.renderTasks.splice(i, 1); + } + + if (self.cleanupAfterRender) { + self.pendingCleanup = true; + } + self._tryCleanup(); + + if (error) { + internalRenderTask.capability.reject(error); + } else { + internalRenderTask.capability.resolve(); + } + stats.timeEnd('Rendering'); + stats.timeEnd('Overall'); + } + + return renderTask; + }, + + /** + * @return {Promise} A promise resolved with an {@link PDFOperatorList} + * object that represents page's operator list. + */ + getOperatorList: function PDFPageProxy_getOperatorList() { + function operatorListChanged() { + if (intentState.operatorList.lastChunk) { + intentState.opListReadCapability.resolve(intentState.operatorList); + } + } + + var renderingIntent = 'oplist'; + if (!this.intentStates[renderingIntent]) { + this.intentStates[renderingIntent] = {}; + } + var intentState = this.intentStates[renderingIntent]; + + if (!intentState.opListReadCapability) { + var opListTask = {}; + opListTask.operatorListChanged = operatorListChanged; + intentState.receivingOperatorList = true; + intentState.opListReadCapability = createPromiseCapability(); + intentState.renderTasks = []; + intentState.renderTasks.push(opListTask); + intentState.operatorList = { + fnArray: [], + argsArray: [], + lastChunk: false + }; + + this.transport.messageHandler.send('RenderPageRequest', { + pageIndex: this.pageIndex, + intent: renderingIntent + }); + } + return intentState.opListReadCapability.promise; + }, + + /** + * @param {getTextContentParameters} params - getTextContent parameters. + * @return {Promise} That is resolved a {@link TextContent} + * object that represent the page text content. + */ + getTextContent: function PDFPageProxy_getTextContent(params) { + var normalizeWhitespace = (params && params.normalizeWhitespace) || false; + + return this.transport.messageHandler.sendWithPromise('GetTextContent', { + pageIndex: this.pageNumber - 1, + normalizeWhitespace: normalizeWhitespace, + }); + }, + + /** + * Destroys page object. + */ + _destroy: function PDFPageProxy_destroy() { + this.destroyed = true; + this.transport.pageCache[this.pageIndex] = null; + + var waitOn = []; + Object.keys(this.intentStates).forEach(function(intent) { + var intentState = this.intentStates[intent]; + intentState.renderTasks.forEach(function(renderTask) { + var renderCompleted = renderTask.capability.promise. + catch(function () {}); // ignoring failures + waitOn.push(renderCompleted); + renderTask.cancel(); + }); + }, this); + this.objs.clear(); + this.annotationsPromise = null; + this.pendingCleanup = false; + return Promise.all(waitOn); + }, + + /** + * Cleans up resources allocated by the page. (deprecated) + */ + destroy: function() { + deprecated('page destroy method, use cleanup() instead'); + this.cleanup(); + }, + + /** + * Cleans up resources allocated by the page. + */ + cleanup: function PDFPageProxy_cleanup() { + this.pendingCleanup = true; + this._tryCleanup(); + }, + /** + * For internal use only. Attempts to clean up if rendering is in a state + * where that's possible. + * @ignore + */ + _tryCleanup: function PDFPageProxy_tryCleanup() { + if (!this.pendingCleanup || + Object.keys(this.intentStates).some(function(intent) { + var intentState = this.intentStates[intent]; + return (intentState.renderTasks.length !== 0 || + intentState.receivingOperatorList); + }, this)) { + return; + } + + Object.keys(this.intentStates).forEach(function(intent) { + delete this.intentStates[intent]; + }, this); + this.objs.clear(); + this.annotationsPromise = null; + this.pendingCleanup = false; + }, + /** + * For internal use only. + * @ignore + */ + _startRenderPage: function PDFPageProxy_startRenderPage(transparency, + intent) { + var intentState = this.intentStates[intent]; + // TODO Refactor RenderPageRequest to separate rendering + // and operator list logic + if (intentState.displayReadyCapability) { + intentState.displayReadyCapability.resolve(transparency); + } + }, + /** + * For internal use only. + * @ignore + */ + _renderPageChunk: function PDFPageProxy_renderPageChunk(operatorListChunk, + intent) { + var intentState = this.intentStates[intent]; + var i, ii; + // Add the new chunk to the current operator list. + for (i = 0, ii = operatorListChunk.length; i < ii; i++) { + intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]); + intentState.operatorList.argsArray.push( + operatorListChunk.argsArray[i]); + } + intentState.operatorList.lastChunk = operatorListChunk.lastChunk; + + // Notify all the rendering tasks there are more operators to be consumed. + for (i = 0; i < intentState.renderTasks.length; i++) { + intentState.renderTasks[i].operatorListChanged(); + } + + if (operatorListChunk.lastChunk) { + intentState.receivingOperatorList = false; + this._tryCleanup(); + } + } + }; + return PDFPageProxy; +})(); + +/** + * PDF.js web worker abstraction, it controls instantiation of PDF documents and + * WorkerTransport for them. If creation of a web worker is not possible, + * a "fake" worker will be used instead. + * @class + */ +var PDFWorker = (function PDFWorkerClosure() { + var nextFakeWorkerId = 0; + + function getWorkerSrc() { + if (PDFJS.workerSrc) { + return PDFJS.workerSrc; + } + if (pdfjsFilePath) { + return pdfjsFilePath.replace(/\.js$/i, '.worker.js'); + } + error('No PDFJS.workerSrc specified'); + } + + // Loads worker code into main thread. + function setupFakeWorkerGlobal() { + if (!PDFJS.fakeWorkerFilesLoadedCapability) { + PDFJS.fakeWorkerFilesLoadedCapability = createPromiseCapability(); + // In the developer build load worker_loader which in turn loads all the + // other files and resolves the promise. In production only the + // pdf.worker.js file is needed. + var loader = fakeWorkerFilesLoader || function (callback) { + Util.loadScript(getWorkerSrc(), callback); + }; + loader(function () { + PDFJS.fakeWorkerFilesLoadedCapability.resolve(); + }); + } + return PDFJS.fakeWorkerFilesLoadedCapability.promise; + } + + function PDFWorker(name) { + this.name = name; + this.destroyed = false; + + this._readyCapability = createPromiseCapability(); + this._port = null; + this._webWorker = null; + this._messageHandler = null; + this._initialize(); + } + + PDFWorker.prototype = /** @lends PDFWorker.prototype */ { + get promise() { + return this._readyCapability.promise; + }, + + get port() { + return this._port; + }, + + get messageHandler() { + return this._messageHandler; + }, + + _initialize: function PDFWorker_initialize() { + // If worker support isn't disabled explicit and the browser has worker + // support, create a new web worker and test if it/the browser fullfills + // all requirements to run parts of pdf.js in a web worker. + // Right now, the requirement is, that an Uint8Array is still an + // Uint8Array as it arrives on the worker. (Chrome added this with v.15.) + if (!globalScope.PDFJS.disableWorker && typeof Worker !== 'undefined') { + var workerSrc = getWorkerSrc(); + + try { + // Some versions of FF can't create a worker on localhost, see: + // https://bugzilla.mozilla.org/show_bug.cgi?id=683280 + var worker = new Worker(workerSrc); + var messageHandler = new MessageHandler('main', 'worker', worker); + messageHandler.on('test', function PDFWorker_test(data) { + if (this.destroyed) { + this._readyCapability.reject(new Error('Worker was destroyed')); + messageHandler.destroy(); + worker.terminate(); + return; // worker was destroyed + } + var supportTypedArray = data && data.supportTypedArray; + if (supportTypedArray) { + this._messageHandler = messageHandler; + this._port = worker; + this._webWorker = worker; + if (!data.supportTransfers) { + PDFJS.postMessageTransfers = false; + } + this._readyCapability.resolve(); + } else { + this._setupFakeWorker(); + messageHandler.destroy(); + worker.terminate(); + } + }.bind(this)); + + messageHandler.on('console_log', function (data) { + console.log.apply(console, data); + }); + messageHandler.on('console_error', function (data) { + console.error.apply(console, data); + }); + + messageHandler.on('ready', function (data) { + if (this.destroyed) { + this._readyCapability.reject(new Error('Worker was destroyed')); + messageHandler.destroy(); + worker.terminate(); + return; // worker was destroyed + } + try { + sendTest(); + } catch (e) { + // We need fallback to a faked worker. + this._setupFakeWorker(); + } + }.bind(this)); + + var sendTest = function () { + var testObj = new Uint8Array( + [PDFJS.postMessageTransfers ? 255 : 0]); + // Some versions of Opera throw a DATA_CLONE_ERR on serializing the + // typed array. Also, checking if we can use transfers. + try { + messageHandler.send('test', testObj, [testObj.buffer]); + } catch (ex) { + info('Cannot use postMessage transfers'); + testObj[0] = 0; + messageHandler.send('test', testObj); + } + }; + + // It might take time for worker to initialize (especially when AMD + // loader is used). We will try to send test immediately, and then + // when 'ready' message will arrive. The worker shall process only + // first received 'test'. + sendTest(); + return; + } catch (e) { + info('The worker has been disabled.'); + } + } + // Either workers are disabled, not supported or have thrown an exception. + // Thus, we fallback to a faked worker. + this._setupFakeWorker(); + }, + + _setupFakeWorker: function PDFWorker_setupFakeWorker() { + if (!globalScope.PDFJS.disableWorker) { + warn('Setting up fake worker.'); + globalScope.PDFJS.disableWorker = true; + } + + setupFakeWorkerGlobal().then(function () { + if (this.destroyed) { + this._readyCapability.reject(new Error('Worker was destroyed')); + return; + } + + // If we don't use a worker, just post/sendMessage to the main thread. + var port = { + _listeners: [], + postMessage: function (obj) { + var e = {data: obj}; + this._listeners.forEach(function (listener) { + listener.call(this, e); + }, this); + }, + addEventListener: function (name, listener) { + this._listeners.push(listener); + }, + removeEventListener: function (name, listener) { + var i = this._listeners.indexOf(listener); + this._listeners.splice(i, 1); + }, + terminate: function () {} + }; + this._port = port; + + // All fake workers use the same port, making id unique. + var id = 'fake' + (nextFakeWorkerId++); + + // If the main thread is our worker, setup the handling for the + // messages -- the main thread sends to it self. + var workerHandler = new MessageHandler(id + '_worker', id, port); + PDFJS.WorkerMessageHandler.setup(workerHandler, port); + + var messageHandler = new MessageHandler(id, id + '_worker', port); + this._messageHandler = messageHandler; + this._readyCapability.resolve(); + }.bind(this)); + }, + + /** + * Destroys the worker instance. + */ + destroy: function PDFWorker_destroy() { + this.destroyed = true; + if (this._webWorker) { + // We need to terminate only web worker created resource. + this._webWorker.terminate(); + this._webWorker = null; + } + this._port = null; + if (this._messageHandler) { + this._messageHandler.destroy(); + this._messageHandler = null; + } + } + }; + + return PDFWorker; +})(); +PDFJS.PDFWorker = PDFWorker; + +/** + * For internal use only. + * @ignore + */ +var WorkerTransport = (function WorkerTransportClosure() { + function WorkerTransport(messageHandler, loadingTask, pdfDataRangeTransport) { + this.messageHandler = messageHandler; + this.loadingTask = loadingTask; + this.pdfDataRangeTransport = pdfDataRangeTransport; + this.commonObjs = new PDFObjects(); + this.fontLoader = new FontLoader(loadingTask.docId); + + this.destroyed = false; + this.destroyCapability = null; + + this.pageCache = []; + this.pagePromises = []; + this.downloadInfoCapability = createPromiseCapability(); + + this.setupMessageHandler(); + } + WorkerTransport.prototype = { + destroy: function WorkerTransport_destroy() { + if (this.destroyCapability) { + return this.destroyCapability.promise; + } + + this.destroyed = true; + this.destroyCapability = createPromiseCapability(); + + var waitOn = []; + // We need to wait for all renderings to be completed, e.g. + // timeout/rAF can take a long time. + this.pageCache.forEach(function (page) { + if (page) { + waitOn.push(page._destroy()); + } + }); + this.pageCache = []; + this.pagePromises = []; + var self = this; + // We also need to wait for the worker to finish its long running tasks. + var terminated = this.messageHandler.sendWithPromise('Terminate', null); + waitOn.push(terminated); + Promise.all(waitOn).then(function () { + self.fontLoader.clear(); + if (self.pdfDataRangeTransport) { + self.pdfDataRangeTransport.abort(); + self.pdfDataRangeTransport = null; + } + if (self.messageHandler) { + self.messageHandler.destroy(); + self.messageHandler = null; + } + self.destroyCapability.resolve(); + }, this.destroyCapability.reject); + return this.destroyCapability.promise; + }, + + setupMessageHandler: + function WorkerTransport_setupMessageHandler() { + var messageHandler = this.messageHandler; + + function updatePassword(password) { + messageHandler.send('UpdatePassword', password); + } + + var pdfDataRangeTransport = this.pdfDataRangeTransport; + if (pdfDataRangeTransport) { + pdfDataRangeTransport.addRangeListener(function(begin, chunk) { + messageHandler.send('OnDataRange', { + begin: begin, + chunk: chunk + }); + }); + + pdfDataRangeTransport.addProgressListener(function(loaded) { + messageHandler.send('OnDataProgress', { + loaded: loaded + }); + }); + + pdfDataRangeTransport.addProgressiveReadListener(function(chunk) { + messageHandler.send('OnDataRange', { + chunk: chunk + }); + }); + + messageHandler.on('RequestDataRange', + function transportDataRange(data) { + pdfDataRangeTransport.requestDataRange(data.begin, data.end); + }, this); + } + + messageHandler.on('GetDoc', function transportDoc(data) { + var pdfInfo = data.pdfInfo; + this.numPages = data.pdfInfo.numPages; + var loadingTask = this.loadingTask; + var pdfDocument = new PDFDocumentProxy(pdfInfo, this, loadingTask); + this.pdfDocument = pdfDocument; + loadingTask._capability.resolve(pdfDocument); + }, this); + + messageHandler.on('NeedPassword', + function transportNeedPassword(exception) { + var loadingTask = this.loadingTask; + if (loadingTask.onPassword) { + return loadingTask.onPassword(updatePassword, + PasswordResponses.NEED_PASSWORD); + } + loadingTask._capability.reject( + new PasswordException(exception.message, exception.code)); + }, this); + + messageHandler.on('IncorrectPassword', + function transportIncorrectPassword(exception) { + var loadingTask = this.loadingTask; + if (loadingTask.onPassword) { + return loadingTask.onPassword(updatePassword, + PasswordResponses.INCORRECT_PASSWORD); + } + loadingTask._capability.reject( + new PasswordException(exception.message, exception.code)); + }, this); + + messageHandler.on('InvalidPDF', function transportInvalidPDF(exception) { + this.loadingTask._capability.reject( + new InvalidPDFException(exception.message)); + }, this); + + messageHandler.on('MissingPDF', function transportMissingPDF(exception) { + this.loadingTask._capability.reject( + new MissingPDFException(exception.message)); + }, this); + + messageHandler.on('UnexpectedResponse', + function transportUnexpectedResponse(exception) { + this.loadingTask._capability.reject( + new UnexpectedResponseException(exception.message, exception.status)); + }, this); + + messageHandler.on('UnknownError', + function transportUnknownError(exception) { + this.loadingTask._capability.reject( + new UnknownErrorException(exception.message, exception.details)); + }, this); + + messageHandler.on('DataLoaded', function transportPage(data) { + this.downloadInfoCapability.resolve(data); + }, this); + + messageHandler.on('PDFManagerReady', function transportPage(data) { + if (this.pdfDataRangeTransport) { + this.pdfDataRangeTransport.transportReady(); + } + }, this); + + messageHandler.on('StartRenderPage', function transportRender(data) { + if (this.destroyed) { + return; // Ignore any pending requests if the worker was terminated. + } + var page = this.pageCache[data.pageIndex]; + + page.stats.timeEnd('Page Request'); + page._startRenderPage(data.transparency, data.intent); + }, this); + + messageHandler.on('RenderPageChunk', function transportRender(data) { + if (this.destroyed) { + return; // Ignore any pending requests if the worker was terminated. + } + var page = this.pageCache[data.pageIndex]; + + page._renderPageChunk(data.operatorList, data.intent); + }, this); + + messageHandler.on('commonobj', function transportObj(data) { + if (this.destroyed) { + return; // Ignore any pending requests if the worker was terminated. + } + + var id = data[0]; + var type = data[1]; + if (this.commonObjs.hasData(id)) { + return; + } + + switch (type) { + case 'Font': + var exportedData = data[2]; + + var font; + if ('error' in exportedData) { + var error = exportedData.error; + warn('Error during font loading: ' + error); + this.commonObjs.resolve(id, error); + break; + } else { + font = new FontFaceObject(exportedData); + } + + this.fontLoader.bind( + [font], + function fontReady(fontObjs) { + this.commonObjs.resolve(id, font); + }.bind(this) + ); + break; + case 'FontPath': + this.commonObjs.resolve(id, data[2]); + break; + default: + error('Got unknown common object type ' + type); + } + }, this); + + messageHandler.on('obj', function transportObj(data) { + if (this.destroyed) { + return; // Ignore any pending requests if the worker was terminated. + } + + var id = data[0]; + var pageIndex = data[1]; + var type = data[2]; + var pageProxy = this.pageCache[pageIndex]; + var imageData; + if (pageProxy.objs.hasData(id)) { + return; + } + + switch (type) { + case 'JpegStream': + imageData = data[3]; + loadJpegStream(id, imageData, pageProxy.objs); + break; + case 'Image': + imageData = data[3]; + pageProxy.objs.resolve(id, imageData); + + // heuristics that will allow not to store large data + var MAX_IMAGE_SIZE_TO_STORE = 8000000; + if (imageData && 'data' in imageData && + imageData.data.length > MAX_IMAGE_SIZE_TO_STORE) { + pageProxy.cleanupAfterRender = true; + } + break; + default: + error('Got unknown object type ' + type); + } + }, this); + + messageHandler.on('DocProgress', function transportDocProgress(data) { + if (this.destroyed) { + return; // Ignore any pending requests if the worker was terminated. + } + + var loadingTask = this.loadingTask; + if (loadingTask.onProgress) { + loadingTask.onProgress({ + loaded: data.loaded, + total: data.total + }); + } + }, this); + + messageHandler.on('PageError', function transportError(data) { + if (this.destroyed) { + return; // Ignore any pending requests if the worker was terminated. + } + + var page = this.pageCache[data.pageNum - 1]; + var intentState = page.intentStates[data.intent]; + if (intentState.displayReadyCapability) { + intentState.displayReadyCapability.reject(data.error); + } else { + error(data.error); + } + }, this); + + messageHandler.on('UnsupportedFeature', + function transportUnsupportedFeature(data) { + if (this.destroyed) { + return; // Ignore any pending requests if the worker was terminated. + } + var featureId = data.featureId; + var loadingTask = this.loadingTask; + if (loadingTask.onUnsupportedFeature) { + loadingTask.onUnsupportedFeature(featureId); + } + PDFJS.UnsupportedManager.notify(featureId); + }, this); + + messageHandler.on('JpegDecode', function(data) { + if (this.destroyed) { + return Promise.reject('Worker was terminated'); + } + + var imageUrl = data[0]; + var components = data[1]; + if (components !== 3 && components !== 1) { + return Promise.reject( + new Error('Only 3 components or 1 component can be returned')); + } + + return new Promise(function (resolve, reject) { + var img = new Image(); + img.onload = function () { + var width = img.width; + var height = img.height; + var size = width * height; + var rgbaLength = size * 4; + var buf = new Uint8Array(size * components); + var tmpCanvas = createScratchCanvas(width, height); + var tmpCtx = tmpCanvas.getContext('2d'); + tmpCtx.drawImage(img, 0, 0); + var data = tmpCtx.getImageData(0, 0, width, height).data; + var i, j; + + if (components === 3) { + for (i = 0, j = 0; i < rgbaLength; i += 4, j += 3) { + buf[j] = data[i]; + buf[j + 1] = data[i + 1]; + buf[j + 2] = data[i + 2]; + } + } else if (components === 1) { + for (i = 0, j = 0; i < rgbaLength; i += 4, j++) { + buf[j] = data[i]; + } + } + resolve({ data: buf, width: width, height: height}); + }; + img.onerror = function () { + reject(new Error('JpegDecode failed to load image')); + }; + img.src = imageUrl; + }); + }, this); + }, + + getData: function WorkerTransport_getData() { + return this.messageHandler.sendWithPromise('GetData', null); + }, + + getPage: function WorkerTransport_getPage(pageNumber, capability) { + if (pageNumber <= 0 || pageNumber > this.numPages || + (pageNumber|0) !== pageNumber) { + return Promise.reject(new Error('Invalid page request')); + } + + var pageIndex = pageNumber - 1; + if (pageIndex in this.pagePromises) { + return this.pagePromises[pageIndex]; + } + var promise = this.messageHandler.sendWithPromise('GetPage', { + pageIndex: pageIndex + }).then(function (pageInfo) { + if (this.destroyed) { + throw new Error('Transport destroyed'); + } + var page = new PDFPageProxy(pageIndex, pageInfo, this); + this.pageCache[pageIndex] = page; + return page; + }.bind(this)); + this.pagePromises[pageIndex] = promise; + return promise; + }, + + getPageIndex: function WorkerTransport_getPageIndexByRef(ref) { + return this.messageHandler.sendWithPromise('GetPageIndex', { ref: ref }); + }, + + getAnnotations: function WorkerTransport_getAnnotations(pageIndex, intent) { + return this.messageHandler.sendWithPromise('GetAnnotations', { + pageIndex: pageIndex, + intent: intent, + }); + }, + + getDestinations: function WorkerTransport_getDestinations() { + return this.messageHandler.sendWithPromise('GetDestinations', null); + }, + + getDestination: function WorkerTransport_getDestination(id) { + return this.messageHandler.sendWithPromise('GetDestination', { id: id }); + }, + + getPageLabels: function WorkerTransport_getPageLabels() { + return this.messageHandler.sendWithPromise('GetPageLabels', null); + }, + + getAttachments: function WorkerTransport_getAttachments() { + return this.messageHandler.sendWithPromise('GetAttachments', null); + }, + + getJavaScript: function WorkerTransport_getJavaScript() { + return this.messageHandler.sendWithPromise('GetJavaScript', null); + }, + + getOutline: function WorkerTransport_getOutline() { + return this.messageHandler.sendWithPromise('GetOutline', null); + }, + + getMetadata: function WorkerTransport_getMetadata() { + return this.messageHandler.sendWithPromise('GetMetadata', null). + then(function transportMetadata(results) { + return { + info: results[0], + metadata: (results[1] ? new Metadata(results[1]) : null) + }; + }); + }, + + getStats: function WorkerTransport_getStats() { + return this.messageHandler.sendWithPromise('GetStats', null); + }, + + startCleanup: function WorkerTransport_startCleanup() { + this.messageHandler.sendWithPromise('Cleanup', null). + then(function endCleanup() { + for (var i = 0, ii = this.pageCache.length; i < ii; i++) { + var page = this.pageCache[i]; + if (page) { + page.cleanup(); + } + } + this.commonObjs.clear(); + this.fontLoader.clear(); + }.bind(this)); + } + }; + return WorkerTransport; + +})(); + +/** + * A PDF document and page is built of many objects. E.g. there are objects + * for fonts, images, rendering code and such. These objects might get processed + * inside of a worker. The `PDFObjects` implements some basic functions to + * manage these objects. + * @ignore + */ +var PDFObjects = (function PDFObjectsClosure() { + function PDFObjects() { + this.objs = {}; + } + + PDFObjects.prototype = { + /** + * Internal function. + * Ensures there is an object defined for `objId`. + */ + ensureObj: function PDFObjects_ensureObj(objId) { + if (this.objs[objId]) { + return this.objs[objId]; + } + + var obj = { + capability: createPromiseCapability(), + data: null, + resolved: false + }; + this.objs[objId] = obj; + + return obj; + }, + + /** + * If called *without* callback, this returns the data of `objId` but the + * object needs to be resolved. If it isn't, this function throws. + * + * If called *with* a callback, the callback is called with the data of the + * object once the object is resolved. That means, if you call this + * function and the object is already resolved, the callback gets called + * right away. + */ + get: function PDFObjects_get(objId, callback) { + // If there is a callback, then the get can be async and the object is + // not required to be resolved right now + if (callback) { + this.ensureObj(objId).capability.promise.then(callback); + return null; + } + + // If there isn't a callback, the user expects to get the resolved data + // directly. + var obj = this.objs[objId]; + + // If there isn't an object yet or the object isn't resolved, then the + // data isn't ready yet! + if (!obj || !obj.resolved) { + error('Requesting object that isn\'t resolved yet ' + objId); + } + + return obj.data; + }, + + /** + * Resolves the object `objId` with optional `data`. + */ + resolve: function PDFObjects_resolve(objId, data) { + var obj = this.ensureObj(objId); + + obj.resolved = true; + obj.data = data; + obj.capability.resolve(data); + }, + + isResolved: function PDFObjects_isResolved(objId) { + var objs = this.objs; + + if (!objs[objId]) { + return false; + } else { + return objs[objId].resolved; + } + }, + + hasData: function PDFObjects_hasData(objId) { + return this.isResolved(objId); + }, + + /** + * Returns the data of `objId` if object exists, null otherwise. + */ + getData: function PDFObjects_getData(objId) { + var objs = this.objs; + if (!objs[objId] || !objs[objId].resolved) { + return null; + } else { + return objs[objId].data; + } + }, + + clear: function PDFObjects_clear() { + this.objs = {}; + } + }; + return PDFObjects; +})(); + +/** + * Allows controlling of the rendering tasks. + * @class + * @alias RenderTask + */ +var RenderTask = (function RenderTaskClosure() { + function RenderTask(internalRenderTask) { + this._internalRenderTask = internalRenderTask; + + /** + * Callback for incremental rendering -- a function that will be called + * each time the rendering is paused. To continue rendering call the + * function that is the first argument to the callback. + * @type {function} + */ + this.onContinue = null; + } + + RenderTask.prototype = /** @lends RenderTask.prototype */ { + /** + * Promise for rendering task completion. + * @return {Promise} + */ + get promise() { + return this._internalRenderTask.capability.promise; + }, + + /** + * Cancels the rendering task. If the task is currently rendering it will + * not be cancelled until graphics pauses with a timeout. The promise that + * this object extends will resolved when cancelled. + */ + cancel: function RenderTask_cancel() { + this._internalRenderTask.cancel(); + }, + + /** + * Registers callbacks to indicate the rendering task completion. + * + * @param {function} onFulfilled The callback for the rendering completion. + * @param {function} onRejected The callback for the rendering failure. + * @return {Promise} A promise that is resolved after the onFulfilled or + * onRejected callback. + */ + then: function RenderTask_then(onFulfilled, onRejected) { + return this.promise.then.apply(this.promise, arguments); + } + }; + + return RenderTask; +})(); + +/** + * For internal use only. + * @ignore + */ +var InternalRenderTask = (function InternalRenderTaskClosure() { + + function InternalRenderTask(callback, params, objs, commonObjs, operatorList, + pageNumber) { + this.callback = callback; + this.params = params; + this.objs = objs; + this.commonObjs = commonObjs; + this.operatorListIdx = null; + this.operatorList = operatorList; + this.pageNumber = pageNumber; + this.running = false; + this.graphicsReadyCallback = null; + this.graphicsReady = false; + this.useRequestAnimationFrame = false; + this.cancelled = false; + this.capability = createPromiseCapability(); + this.task = new RenderTask(this); + // caching this-bound methods + this._continueBound = this._continue.bind(this); + this._scheduleNextBound = this._scheduleNext.bind(this); + this._nextBound = this._next.bind(this); + } + + InternalRenderTask.prototype = { + + initalizeGraphics: + function InternalRenderTask_initalizeGraphics(transparency) { + + if (this.cancelled) { + return; + } + if (PDFJS.pdfBug && 'StepperManager' in globalScope && + globalScope.StepperManager.enabled) { + this.stepper = globalScope.StepperManager.create(this.pageNumber - 1); + this.stepper.init(this.operatorList); + this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint(); + } + + var params = this.params; + this.gfx = new CanvasGraphics(params.canvasContext, this.commonObjs, + this.objs, params.imageLayer); + + this.gfx.beginDrawing(params.transform, params.viewport, transparency); + this.operatorListIdx = 0; + this.graphicsReady = true; + if (this.graphicsReadyCallback) { + this.graphicsReadyCallback(); + } + }, + + cancel: function InternalRenderTask_cancel() { + this.running = false; + this.cancelled = true; + this.callback('cancelled'); + }, + + operatorListChanged: function InternalRenderTask_operatorListChanged() { + if (!this.graphicsReady) { + if (!this.graphicsReadyCallback) { + this.graphicsReadyCallback = this._continueBound; + } + return; + } + + if (this.stepper) { + this.stepper.updateOperatorList(this.operatorList); + } + + if (this.running) { + return; + } + this._continue(); + }, + + _continue: function InternalRenderTask__continue() { + this.running = true; + if (this.cancelled) { + return; + } + if (this.task.onContinue) { + this.task.onContinue.call(this.task, this._scheduleNextBound); + } else { + this._scheduleNext(); + } + }, + + _scheduleNext: function InternalRenderTask__scheduleNext() { + if (this.useRequestAnimationFrame) { + window.requestAnimationFrame(this._nextBound); + } else { + Promise.resolve(undefined).then(this._nextBound); + } + }, + + _next: function InternalRenderTask__next() { + if (this.cancelled) { + return; + } + this.operatorListIdx = this.gfx.executeOperatorList(this.operatorList, + this.operatorListIdx, + this._continueBound, + this.stepper); + if (this.operatorListIdx === this.operatorList.argsArray.length) { + this.running = false; + if (this.operatorList.lastChunk) { + this.gfx.endDrawing(); + this.callback(); + } + } + } + + }; + + return InternalRenderTask; +})(); + +/** + * (Deprecated) Global observer of unsupported feature usages. Use + * onUnsupportedFeature callback of the {PDFDocumentLoadingTask} instance. + */ +PDFJS.UnsupportedManager = (function UnsupportedManagerClosure() { + var listeners = []; + return { + listen: function (cb) { + deprecated('Global UnsupportedManager.listen is used: ' + + ' use PDFDocumentLoadingTask.onUnsupportedFeature instead'); + listeners.push(cb); + }, + notify: function (featureId) { + for (var i = 0, ii = listeners.length; i < ii; i++) { + listeners[i](featureId); + } + } + }; +})(); + +exports.getDocument = PDFJS.getDocument; +exports.PDFDataRangeTransport = PDFDataRangeTransport; +exports.PDFDocumentProxy = PDFDocumentProxy; +exports.PDFPageProxy = PDFPageProxy; +})); + + + }).call(pdfjsLibs); + + exports.PDFJS = pdfjsLibs.pdfjsSharedGlobal.PDFJS; + + exports.getDocument = pdfjsLibs.pdfjsDisplayAPI.getDocument; + exports.PDFDataRangeTransport = + pdfjsLibs.pdfjsDisplayAPI.PDFDataRangeTransport; + exports.renderTextLayer = pdfjsLibs.pdfjsDisplayTextLayer.renderTextLayer; + exports.AnnotationLayer = + pdfjsLibs.pdfjsDisplayAnnotationLayer.AnnotationLayer; + exports.CustomStyle = pdfjsLibs.pdfjsDisplayDOMUtils.CustomStyle; + exports.PasswordResponses = pdfjsLibs.pdfjsSharedUtil.PasswordResponses; + exports.InvalidPDFException = pdfjsLibs.pdfjsSharedUtil.InvalidPDFException; + exports.MissingPDFException = pdfjsLibs.pdfjsSharedUtil.MissingPDFException; + exports.UnexpectedResponseException = + pdfjsLibs.pdfjsSharedUtil.UnexpectedResponseException; +})); + + diff --git a/public/plugins/pdfjs-1.4.20/build/pdf.worker.js b/public/plugins/pdfjs-1.4.20/build/pdf.worker.js new file mode 100644 index 000000000..821ceac93 --- /dev/null +++ b/public/plugins/pdfjs-1.4.20/build/pdf.worker.js @@ -0,0 +1,42034 @@ +/* Copyright 2012 Mozilla Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +/* jshint globalstrict: false */ +/* umdutils ignore */ + +(function (root, factory) { + 'use strict'; + if (typeof define === 'function' && define.amd) { +define('pdfjs-dist/build/pdf.worker', ['exports'], factory); + } else if (typeof exports !== 'undefined') { + factory(exports); + } else { +factory((root.pdfjsDistBuildPdfWorker = {})); + } +}(this, function (exports) { + // Use strict in our context only - users might not want it + 'use strict'; + +var pdfjsVersion = '1.4.20'; +var pdfjsBuild = 'b15f335'; + + var pdfjsFilePath = + typeof document !== 'undefined' && document.currentScript ? + document.currentScript.src : null; + + var pdfjsLibs = {}; + + (function pdfjsWrapper() { + + + +(function (root, factory) { + { + factory((root.pdfjsCoreArithmeticDecoder = {})); + } +}(this, function (exports) { + +/* This class implements the QM Coder decoding as defined in + * JPEG 2000 Part I Final Committee Draft Version 1.0 + * Annex C.3 Arithmetic decoding procedure + * available at http://www.jpeg.org/public/fcd15444-1.pdf + * + * The arithmetic decoder is used in conjunction with context models to decode + * JPEG2000 and JBIG2 streams. + */ +var ArithmeticDecoder = (function ArithmeticDecoderClosure() { + // Table C-2 + var QeTable = [ + {qe: 0x5601, nmps: 1, nlps: 1, switchFlag: 1}, + {qe: 0x3401, nmps: 2, nlps: 6, switchFlag: 0}, + {qe: 0x1801, nmps: 3, nlps: 9, switchFlag: 0}, + {qe: 0x0AC1, nmps: 4, nlps: 12, switchFlag: 0}, + {qe: 0x0521, nmps: 5, nlps: 29, switchFlag: 0}, + {qe: 0x0221, nmps: 38, nlps: 33, switchFlag: 0}, + {qe: 0x5601, nmps: 7, nlps: 6, switchFlag: 1}, + {qe: 0x5401, nmps: 8, nlps: 14, switchFlag: 0}, + {qe: 0x4801, nmps: 9, nlps: 14, switchFlag: 0}, + {qe: 0x3801, nmps: 10, nlps: 14, switchFlag: 0}, + {qe: 0x3001, nmps: 11, nlps: 17, switchFlag: 0}, + {qe: 0x2401, nmps: 12, nlps: 18, switchFlag: 0}, + {qe: 0x1C01, nmps: 13, nlps: 20, switchFlag: 0}, + {qe: 0x1601, nmps: 29, nlps: 21, switchFlag: 0}, + {qe: 0x5601, nmps: 15, nlps: 14, switchFlag: 1}, + {qe: 0x5401, nmps: 16, nlps: 14, switchFlag: 0}, + {qe: 0x5101, nmps: 17, nlps: 15, switchFlag: 0}, + {qe: 0x4801, nmps: 18, nlps: 16, switchFlag: 0}, + {qe: 0x3801, nmps: 19, nlps: 17, switchFlag: 0}, + {qe: 0x3401, nmps: 20, nlps: 18, switchFlag: 0}, + {qe: 0x3001, nmps: 21, nlps: 19, switchFlag: 0}, + {qe: 0x2801, nmps: 22, nlps: 19, switchFlag: 0}, + {qe: 0x2401, nmps: 23, nlps: 20, switchFlag: 0}, + {qe: 0x2201, nmps: 24, nlps: 21, switchFlag: 0}, + {qe: 0x1C01, nmps: 25, nlps: 22, switchFlag: 0}, + {qe: 0x1801, nmps: 26, nlps: 23, switchFlag: 0}, + {qe: 0x1601, nmps: 27, nlps: 24, switchFlag: 0}, + {qe: 0x1401, nmps: 28, nlps: 25, switchFlag: 0}, + {qe: 0x1201, nmps: 29, nlps: 26, switchFlag: 0}, + {qe: 0x1101, nmps: 30, nlps: 27, switchFlag: 0}, + {qe: 0x0AC1, nmps: 31, nlps: 28, switchFlag: 0}, + {qe: 0x09C1, nmps: 32, nlps: 29, switchFlag: 0}, + {qe: 0x08A1, nmps: 33, nlps: 30, switchFlag: 0}, + {qe: 0x0521, nmps: 34, nlps: 31, switchFlag: 0}, + {qe: 0x0441, nmps: 35, nlps: 32, switchFlag: 0}, + {qe: 0x02A1, nmps: 36, nlps: 33, switchFlag: 0}, + {qe: 0x0221, nmps: 37, nlps: 34, switchFlag: 0}, + {qe: 0x0141, nmps: 38, nlps: 35, switchFlag: 0}, + {qe: 0x0111, nmps: 39, nlps: 36, switchFlag: 0}, + {qe: 0x0085, nmps: 40, nlps: 37, switchFlag: 0}, + {qe: 0x0049, nmps: 41, nlps: 38, switchFlag: 0}, + {qe: 0x0025, nmps: 42, nlps: 39, switchFlag: 0}, + {qe: 0x0015, nmps: 43, nlps: 40, switchFlag: 0}, + {qe: 0x0009, nmps: 44, nlps: 41, switchFlag: 0}, + {qe: 0x0005, nmps: 45, nlps: 42, switchFlag: 0}, + {qe: 0x0001, nmps: 45, nlps: 43, switchFlag: 0}, + {qe: 0x5601, nmps: 46, nlps: 46, switchFlag: 0} + ]; + + // C.3.5 Initialisation of the decoder (INITDEC) + function ArithmeticDecoder(data, start, end) { + this.data = data; + this.bp = start; + this.dataEnd = end; + + this.chigh = data[start]; + this.clow = 0; + + this.byteIn(); + + this.chigh = ((this.chigh << 7) & 0xFFFF) | ((this.clow >> 9) & 0x7F); + this.clow = (this.clow << 7) & 0xFFFF; + this.ct -= 7; + this.a = 0x8000; + } + + ArithmeticDecoder.prototype = { + // C.3.4 Compressed data input (BYTEIN) + byteIn: function ArithmeticDecoder_byteIn() { + var data = this.data; + var bp = this.bp; + if (data[bp] === 0xFF) { + var b1 = data[bp + 1]; + if (b1 > 0x8F) { + this.clow += 0xFF00; + this.ct = 8; + } else { + bp++; + this.clow += (data[bp] << 9); + this.ct = 7; + this.bp = bp; + } + } else { + bp++; + this.clow += bp < this.dataEnd ? (data[bp] << 8) : 0xFF00; + this.ct = 8; + this.bp = bp; + } + if (this.clow > 0xFFFF) { + this.chigh += (this.clow >> 16); + this.clow &= 0xFFFF; + } + }, + // C.3.2 Decoding a decision (DECODE) + readBit: function ArithmeticDecoder_readBit(contexts, pos) { + // contexts are packed into 1 byte: + // highest 7 bits carry cx.index, lowest bit carries cx.mps + var cx_index = contexts[pos] >> 1, cx_mps = contexts[pos] & 1; + var qeTableIcx = QeTable[cx_index]; + var qeIcx = qeTableIcx.qe; + var d; + var a = this.a - qeIcx; + + if (this.chigh < qeIcx) { + // exchangeLps + if (a < qeIcx) { + a = qeIcx; + d = cx_mps; + cx_index = qeTableIcx.nmps; + } else { + a = qeIcx; + d = 1 ^ cx_mps; + if (qeTableIcx.switchFlag === 1) { + cx_mps = d; + } + cx_index = qeTableIcx.nlps; + } + } else { + this.chigh -= qeIcx; + if ((a & 0x8000) !== 0) { + this.a = a; + return cx_mps; + } + // exchangeMps + if (a < qeIcx) { + d = 1 ^ cx_mps; + if (qeTableIcx.switchFlag === 1) { + cx_mps = d; + } + cx_index = qeTableIcx.nlps; + } else { + d = cx_mps; + cx_index = qeTableIcx.nmps; + } + } + // C.3.3 renormD; + do { + if (this.ct === 0) { + this.byteIn(); + } + + a <<= 1; + this.chigh = ((this.chigh << 1) & 0xFFFF) | ((this.clow >> 15) & 1); + this.clow = (this.clow << 1) & 0xFFFF; + this.ct--; + } while ((a & 0x8000) === 0); + this.a = a; + + contexts[pos] = cx_index << 1 | cx_mps; + return d; + } + }; + + return ArithmeticDecoder; +})(); + +exports.ArithmeticDecoder = ArithmeticDecoder; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreCharsets = {})); + } +}(this, function (exports) { + +var ISOAdobeCharset = [ + '.notdef', 'space', 'exclam', 'quotedbl', 'numbersign', 'dollar', + 'percent', 'ampersand', 'quoteright', 'parenleft', 'parenright', + 'asterisk', 'plus', 'comma', 'hyphen', 'period', 'slash', 'zero', + 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', + 'nine', 'colon', 'semicolon', 'less', 'equal', 'greater', 'question', + 'at', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', + 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', + 'bracketleft', 'backslash', 'bracketright', 'asciicircum', 'underscore', + 'quoteleft', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', + 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', + 'braceleft', 'bar', 'braceright', 'asciitilde', 'exclamdown', 'cent', + 'sterling', 'fraction', 'yen', 'florin', 'section', 'currency', + 'quotesingle', 'quotedblleft', 'guillemotleft', 'guilsinglleft', + 'guilsinglright', 'fi', 'fl', 'endash', 'dagger', 'daggerdbl', + 'periodcentered', 'paragraph', 'bullet', 'quotesinglbase', + 'quotedblbase', 'quotedblright', 'guillemotright', 'ellipsis', + 'perthousand', 'questiondown', 'grave', 'acute', 'circumflex', 'tilde', + 'macron', 'breve', 'dotaccent', 'dieresis', 'ring', 'cedilla', + 'hungarumlaut', 'ogonek', 'caron', 'emdash', 'AE', 'ordfeminine', + 'Lslash', 'Oslash', 'OE', 'ordmasculine', 'ae', 'dotlessi', 'lslash', + 'oslash', 'oe', 'germandbls', 'onesuperior', 'logicalnot', 'mu', + 'trademark', 'Eth', 'onehalf', 'plusminus', 'Thorn', 'onequarter', + 'divide', 'brokenbar', 'degree', 'thorn', 'threequarters', 'twosuperior', + 'registered', 'minus', 'eth', 'multiply', 'threesuperior', 'copyright', + 'Aacute', 'Acircumflex', 'Adieresis', 'Agrave', 'Aring', 'Atilde', + 'Ccedilla', 'Eacute', 'Ecircumflex', 'Edieresis', 'Egrave', 'Iacute', + 'Icircumflex', 'Idieresis', 'Igrave', 'Ntilde', 'Oacute', 'Ocircumflex', + 'Odieresis', 'Ograve', 'Otilde', 'Scaron', 'Uacute', 'Ucircumflex', + 'Udieresis', 'Ugrave', 'Yacute', 'Ydieresis', 'Zcaron', 'aacute', + 'acircumflex', 'adieresis', 'agrave', 'aring', 'atilde', 'ccedilla', + 'eacute', 'ecircumflex', 'edieresis', 'egrave', 'iacute', 'icircumflex', + 'idieresis', 'igrave', 'ntilde', 'oacute', 'ocircumflex', 'odieresis', + 'ograve', 'otilde', 'scaron', 'uacute', 'ucircumflex', 'udieresis', + 'ugrave', 'yacute', 'ydieresis', 'zcaron' +]; + +var ExpertCharset = [ + '.notdef', 'space', 'exclamsmall', 'Hungarumlautsmall', 'dollaroldstyle', + 'dollarsuperior', 'ampersandsmall', 'Acutesmall', 'parenleftsuperior', + 'parenrightsuperior', 'twodotenleader', 'onedotenleader', 'comma', + 'hyphen', 'period', 'fraction', 'zerooldstyle', 'oneoldstyle', + 'twooldstyle', 'threeoldstyle', 'fouroldstyle', 'fiveoldstyle', + 'sixoldstyle', 'sevenoldstyle', 'eightoldstyle', 'nineoldstyle', + 'colon', 'semicolon', 'commasuperior', 'threequartersemdash', + 'periodsuperior', 'questionsmall', 'asuperior', 'bsuperior', + 'centsuperior', 'dsuperior', 'esuperior', 'isuperior', 'lsuperior', + 'msuperior', 'nsuperior', 'osuperior', 'rsuperior', 'ssuperior', + 'tsuperior', 'ff', 'fi', 'fl', 'ffi', 'ffl', 'parenleftinferior', + 'parenrightinferior', 'Circumflexsmall', 'hyphensuperior', 'Gravesmall', + 'Asmall', 'Bsmall', 'Csmall', 'Dsmall', 'Esmall', 'Fsmall', 'Gsmall', + 'Hsmall', 'Ismall', 'Jsmall', 'Ksmall', 'Lsmall', 'Msmall', 'Nsmall', + 'Osmall', 'Psmall', 'Qsmall', 'Rsmall', 'Ssmall', 'Tsmall', 'Usmall', + 'Vsmall', 'Wsmall', 'Xsmall', 'Ysmall', 'Zsmall', 'colonmonetary', + 'onefitted', 'rupiah', 'Tildesmall', 'exclamdownsmall', 'centoldstyle', + 'Lslashsmall', 'Scaronsmall', 'Zcaronsmall', 'Dieresissmall', + 'Brevesmall', 'Caronsmall', 'Dotaccentsmall', 'Macronsmall', + 'figuredash', 'hypheninferior', 'Ogoneksmall', 'Ringsmall', + 'Cedillasmall', 'onequarter', 'onehalf', 'threequarters', + 'questiondownsmall', 'oneeighth', 'threeeighths', 'fiveeighths', + 'seveneighths', 'onethird', 'twothirds', 'zerosuperior', 'onesuperior', + 'twosuperior', 'threesuperior', 'foursuperior', 'fivesuperior', + 'sixsuperior', 'sevensuperior', 'eightsuperior', 'ninesuperior', + 'zeroinferior', 'oneinferior', 'twoinferior', 'threeinferior', + 'fourinferior', 'fiveinferior', 'sixinferior', 'seveninferior', + 'eightinferior', 'nineinferior', 'centinferior', 'dollarinferior', + 'periodinferior', 'commainferior', 'Agravesmall', 'Aacutesmall', + 'Acircumflexsmall', 'Atildesmall', 'Adieresissmall', 'Aringsmall', + 'AEsmall', 'Ccedillasmall', 'Egravesmall', 'Eacutesmall', + 'Ecircumflexsmall', 'Edieresissmall', 'Igravesmall', 'Iacutesmall', + 'Icircumflexsmall', 'Idieresissmall', 'Ethsmall', 'Ntildesmall', + 'Ogravesmall', 'Oacutesmall', 'Ocircumflexsmall', 'Otildesmall', + 'Odieresissmall', 'OEsmall', 'Oslashsmall', 'Ugravesmall', 'Uacutesmall', + 'Ucircumflexsmall', 'Udieresissmall', 'Yacutesmall', 'Thornsmall', + 'Ydieresissmall' +]; + +var ExpertSubsetCharset = [ + '.notdef', 'space', 'dollaroldstyle', 'dollarsuperior', + 'parenleftsuperior', 'parenrightsuperior', 'twodotenleader', + 'onedotenleader', 'comma', 'hyphen', 'period', 'fraction', + 'zerooldstyle', 'oneoldstyle', 'twooldstyle', 'threeoldstyle', + 'fouroldstyle', 'fiveoldstyle', 'sixoldstyle', 'sevenoldstyle', + 'eightoldstyle', 'nineoldstyle', 'colon', 'semicolon', 'commasuperior', + 'threequartersemdash', 'periodsuperior', 'asuperior', 'bsuperior', + 'centsuperior', 'dsuperior', 'esuperior', 'isuperior', 'lsuperior', + 'msuperior', 'nsuperior', 'osuperior', 'rsuperior', 'ssuperior', + 'tsuperior', 'ff', 'fi', 'fl', 'ffi', 'ffl', 'parenleftinferior', + 'parenrightinferior', 'hyphensuperior', 'colonmonetary', 'onefitted', + 'rupiah', 'centoldstyle', 'figuredash', 'hypheninferior', 'onequarter', + 'onehalf', 'threequarters', 'oneeighth', 'threeeighths', 'fiveeighths', + 'seveneighths', 'onethird', 'twothirds', 'zerosuperior', 'onesuperior', + 'twosuperior', 'threesuperior', 'foursuperior', 'fivesuperior', + 'sixsuperior', 'sevensuperior', 'eightsuperior', 'ninesuperior', + 'zeroinferior', 'oneinferior', 'twoinferior', 'threeinferior', + 'fourinferior', 'fiveinferior', 'sixinferior', 'seveninferior', + 'eightinferior', 'nineinferior', 'centinferior', 'dollarinferior', + 'periodinferior', 'commainferior' +]; + +exports.ISOAdobeCharset = ISOAdobeCharset; +exports.ExpertCharset = ExpertCharset; +exports.ExpertSubsetCharset = ExpertSubsetCharset; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreGlyphList = {})); + } +}(this, function (exports) { + +var GlyphsUnicode = { + A: 0x0041, + AE: 0x00C6, + AEacute: 0x01FC, + AEmacron: 0x01E2, + AEsmall: 0xF7E6, + Aacute: 0x00C1, + Aacutesmall: 0xF7E1, + Abreve: 0x0102, + Abreveacute: 0x1EAE, + Abrevecyrillic: 0x04D0, + Abrevedotbelow: 0x1EB6, + Abrevegrave: 0x1EB0, + Abrevehookabove: 0x1EB2, + Abrevetilde: 0x1EB4, + Acaron: 0x01CD, + Acircle: 0x24B6, + Acircumflex: 0x00C2, + Acircumflexacute: 0x1EA4, + Acircumflexdotbelow: 0x1EAC, + Acircumflexgrave: 0x1EA6, + Acircumflexhookabove: 0x1EA8, + Acircumflexsmall: 0xF7E2, + Acircumflextilde: 0x1EAA, + Acute: 0xF6C9, + Acutesmall: 0xF7B4, + Acyrillic: 0x0410, + Adblgrave: 0x0200, + Adieresis: 0x00C4, + Adieresiscyrillic: 0x04D2, + Adieresismacron: 0x01DE, + Adieresissmall: 0xF7E4, + Adotbelow: 0x1EA0, + Adotmacron: 0x01E0, + Agrave: 0x00C0, + Agravesmall: 0xF7E0, + Ahookabove: 0x1EA2, + Aiecyrillic: 0x04D4, + Ainvertedbreve: 0x0202, + Alpha: 0x0391, + Alphatonos: 0x0386, + Amacron: 0x0100, + Amonospace: 0xFF21, + Aogonek: 0x0104, + Aring: 0x00C5, + Aringacute: 0x01FA, + Aringbelow: 0x1E00, + Aringsmall: 0xF7E5, + Asmall: 0xF761, + Atilde: 0x00C3, + Atildesmall: 0xF7E3, + Aybarmenian: 0x0531, + B: 0x0042, + Bcircle: 0x24B7, + Bdotaccent: 0x1E02, + Bdotbelow: 0x1E04, + Becyrillic: 0x0411, + Benarmenian: 0x0532, + Beta: 0x0392, + Bhook: 0x0181, + Blinebelow: 0x1E06, + Bmonospace: 0xFF22, + Brevesmall: 0xF6F4, + Bsmall: 0xF762, + Btopbar: 0x0182, + C: 0x0043, + Caarmenian: 0x053E, + Cacute: 0x0106, + Caron: 0xF6CA, + Caronsmall: 0xF6F5, + Ccaron: 0x010C, + Ccedilla: 0x00C7, + Ccedillaacute: 0x1E08, + Ccedillasmall: 0xF7E7, + Ccircle: 0x24B8, + Ccircumflex: 0x0108, + Cdot: 0x010A, + Cdotaccent: 0x010A, + Cedillasmall: 0xF7B8, + Chaarmenian: 0x0549, + Cheabkhasiancyrillic: 0x04BC, + Checyrillic: 0x0427, + Chedescenderabkhasiancyrillic: 0x04BE, + Chedescendercyrillic: 0x04B6, + Chedieresiscyrillic: 0x04F4, + Cheharmenian: 0x0543, + Chekhakassiancyrillic: 0x04CB, + Cheverticalstrokecyrillic: 0x04B8, + Chi: 0x03A7, + Chook: 0x0187, + Circumflexsmall: 0xF6F6, + Cmonospace: 0xFF23, + Coarmenian: 0x0551, + Csmall: 0xF763, + D: 0x0044, + DZ: 0x01F1, + DZcaron: 0x01C4, + Daarmenian: 0x0534, + Dafrican: 0x0189, + Dcaron: 0x010E, + Dcedilla: 0x1E10, + Dcircle: 0x24B9, + Dcircumflexbelow: 0x1E12, + Dcroat: 0x0110, + Ddotaccent: 0x1E0A, + Ddotbelow: 0x1E0C, + Decyrillic: 0x0414, + Deicoptic: 0x03EE, + Delta: 0x2206, + Deltagreek: 0x0394, + Dhook: 0x018A, + Dieresis: 0xF6CB, + DieresisAcute: 0xF6CC, + DieresisGrave: 0xF6CD, + Dieresissmall: 0xF7A8, + Digammagreek: 0x03DC, + Djecyrillic: 0x0402, + Dlinebelow: 0x1E0E, + Dmonospace: 0xFF24, + Dotaccentsmall: 0xF6F7, + Dslash: 0x0110, + Dsmall: 0xF764, + Dtopbar: 0x018B, + Dz: 0x01F2, + Dzcaron: 0x01C5, + Dzeabkhasiancyrillic: 0x04E0, + Dzecyrillic: 0x0405, + Dzhecyrillic: 0x040F, + E: 0x0045, + Eacute: 0x00C9, + Eacutesmall: 0xF7E9, + Ebreve: 0x0114, + Ecaron: 0x011A, + Ecedillabreve: 0x1E1C, + Echarmenian: 0x0535, + Ecircle: 0x24BA, + Ecircumflex: 0x00CA, + Ecircumflexacute: 0x1EBE, + Ecircumflexbelow: 0x1E18, + Ecircumflexdotbelow: 0x1EC6, + Ecircumflexgrave: 0x1EC0, + Ecircumflexhookabove: 0x1EC2, + Ecircumflexsmall: 0xF7EA, + Ecircumflextilde: 0x1EC4, + Ecyrillic: 0x0404, + Edblgrave: 0x0204, + Edieresis: 0x00CB, + Edieresissmall: 0xF7EB, + Edot: 0x0116, + Edotaccent: 0x0116, + Edotbelow: 0x1EB8, + Efcyrillic: 0x0424, + Egrave: 0x00C8, + Egravesmall: 0xF7E8, + Eharmenian: 0x0537, + Ehookabove: 0x1EBA, + Eightroman: 0x2167, + Einvertedbreve: 0x0206, + Eiotifiedcyrillic: 0x0464, + Elcyrillic: 0x041B, + Elevenroman: 0x216A, + Emacron: 0x0112, + Emacronacute: 0x1E16, + Emacrongrave: 0x1E14, + Emcyrillic: 0x041C, + Emonospace: 0xFF25, + Encyrillic: 0x041D, + Endescendercyrillic: 0x04A2, + Eng: 0x014A, + Enghecyrillic: 0x04A4, + Enhookcyrillic: 0x04C7, + Eogonek: 0x0118, + Eopen: 0x0190, + Epsilon: 0x0395, + Epsilontonos: 0x0388, + Ercyrillic: 0x0420, + Ereversed: 0x018E, + Ereversedcyrillic: 0x042D, + Escyrillic: 0x0421, + Esdescendercyrillic: 0x04AA, + Esh: 0x01A9, + Esmall: 0xF765, + Eta: 0x0397, + Etarmenian: 0x0538, + Etatonos: 0x0389, + Eth: 0x00D0, + Ethsmall: 0xF7F0, + Etilde: 0x1EBC, + Etildebelow: 0x1E1A, + Euro: 0x20AC, + Ezh: 0x01B7, + Ezhcaron: 0x01EE, + Ezhreversed: 0x01B8, + F: 0x0046, + Fcircle: 0x24BB, + Fdotaccent: 0x1E1E, + Feharmenian: 0x0556, + Feicoptic: 0x03E4, + Fhook: 0x0191, + Fitacyrillic: 0x0472, + Fiveroman: 0x2164, + Fmonospace: 0xFF26, + Fourroman: 0x2163, + Fsmall: 0xF766, + G: 0x0047, + GBsquare: 0x3387, + Gacute: 0x01F4, + Gamma: 0x0393, + Gammaafrican: 0x0194, + Gangiacoptic: 0x03EA, + Gbreve: 0x011E, + Gcaron: 0x01E6, + Gcedilla: 0x0122, + Gcircle: 0x24BC, + Gcircumflex: 0x011C, + Gcommaaccent: 0x0122, + Gdot: 0x0120, + Gdotaccent: 0x0120, + Gecyrillic: 0x0413, + Ghadarmenian: 0x0542, + Ghemiddlehookcyrillic: 0x0494, + Ghestrokecyrillic: 0x0492, + Gheupturncyrillic: 0x0490, + Ghook: 0x0193, + Gimarmenian: 0x0533, + Gjecyrillic: 0x0403, + Gmacron: 0x1E20, + Gmonospace: 0xFF27, + Grave: 0xF6CE, + Gravesmall: 0xF760, + Gsmall: 0xF767, + Gsmallhook: 0x029B, + Gstroke: 0x01E4, + H: 0x0048, + H18533: 0x25CF, + H18543: 0x25AA, + H18551: 0x25AB, + H22073: 0x25A1, + HPsquare: 0x33CB, + Haabkhasiancyrillic: 0x04A8, + Hadescendercyrillic: 0x04B2, + Hardsigncyrillic: 0x042A, + Hbar: 0x0126, + Hbrevebelow: 0x1E2A, + Hcedilla: 0x1E28, + Hcircle: 0x24BD, + Hcircumflex: 0x0124, + Hdieresis: 0x1E26, + Hdotaccent: 0x1E22, + Hdotbelow: 0x1E24, + Hmonospace: 0xFF28, + Hoarmenian: 0x0540, + Horicoptic: 0x03E8, + Hsmall: 0xF768, + Hungarumlaut: 0xF6CF, + Hungarumlautsmall: 0xF6F8, + Hzsquare: 0x3390, + I: 0x0049, + IAcyrillic: 0x042F, + IJ: 0x0132, + IUcyrillic: 0x042E, + Iacute: 0x00CD, + Iacutesmall: 0xF7ED, + Ibreve: 0x012C, + Icaron: 0x01CF, + Icircle: 0x24BE, + Icircumflex: 0x00CE, + Icircumflexsmall: 0xF7EE, + Icyrillic: 0x0406, + Idblgrave: 0x0208, + Idieresis: 0x00CF, + Idieresisacute: 0x1E2E, + Idieresiscyrillic: 0x04E4, + Idieresissmall: 0xF7EF, + Idot: 0x0130, + Idotaccent: 0x0130, + Idotbelow: 0x1ECA, + Iebrevecyrillic: 0x04D6, + Iecyrillic: 0x0415, + Ifraktur: 0x2111, + Igrave: 0x00CC, + Igravesmall: 0xF7EC, + Ihookabove: 0x1EC8, + Iicyrillic: 0x0418, + Iinvertedbreve: 0x020A, + Iishortcyrillic: 0x0419, + Imacron: 0x012A, + Imacroncyrillic: 0x04E2, + Imonospace: 0xFF29, + Iniarmenian: 0x053B, + Iocyrillic: 0x0401, + Iogonek: 0x012E, + Iota: 0x0399, + Iotaafrican: 0x0196, + Iotadieresis: 0x03AA, + Iotatonos: 0x038A, + Ismall: 0xF769, + Istroke: 0x0197, + Itilde: 0x0128, + Itildebelow: 0x1E2C, + Izhitsacyrillic: 0x0474, + Izhitsadblgravecyrillic: 0x0476, + J: 0x004A, + Jaarmenian: 0x0541, + Jcircle: 0x24BF, + Jcircumflex: 0x0134, + Jecyrillic: 0x0408, + Jheharmenian: 0x054B, + Jmonospace: 0xFF2A, + Jsmall: 0xF76A, + K: 0x004B, + KBsquare: 0x3385, + KKsquare: 0x33CD, + Kabashkircyrillic: 0x04A0, + Kacute: 0x1E30, + Kacyrillic: 0x041A, + Kadescendercyrillic: 0x049A, + Kahookcyrillic: 0x04C3, + Kappa: 0x039A, + Kastrokecyrillic: 0x049E, + Kaverticalstrokecyrillic: 0x049C, + Kcaron: 0x01E8, + Kcedilla: 0x0136, + Kcircle: 0x24C0, + Kcommaaccent: 0x0136, + Kdotbelow: 0x1E32, + Keharmenian: 0x0554, + Kenarmenian: 0x053F, + Khacyrillic: 0x0425, + Kheicoptic: 0x03E6, + Khook: 0x0198, + Kjecyrillic: 0x040C, + Klinebelow: 0x1E34, + Kmonospace: 0xFF2B, + Koppacyrillic: 0x0480, + Koppagreek: 0x03DE, + Ksicyrillic: 0x046E, + Ksmall: 0xF76B, + L: 0x004C, + LJ: 0x01C7, + LL: 0xF6BF, + Lacute: 0x0139, + Lambda: 0x039B, + Lcaron: 0x013D, + Lcedilla: 0x013B, + Lcircle: 0x24C1, + Lcircumflexbelow: 0x1E3C, + Lcommaaccent: 0x013B, + Ldot: 0x013F, + Ldotaccent: 0x013F, + Ldotbelow: 0x1E36, + Ldotbelowmacron: 0x1E38, + Liwnarmenian: 0x053C, + Lj: 0x01C8, + Ljecyrillic: 0x0409, + Llinebelow: 0x1E3A, + Lmonospace: 0xFF2C, + Lslash: 0x0141, + Lslashsmall: 0xF6F9, + Lsmall: 0xF76C, + M: 0x004D, + MBsquare: 0x3386, + Macron: 0xF6D0, + Macronsmall: 0xF7AF, + Macute: 0x1E3E, + Mcircle: 0x24C2, + Mdotaccent: 0x1E40, + Mdotbelow: 0x1E42, + Menarmenian: 0x0544, + Mmonospace: 0xFF2D, + Msmall: 0xF76D, + Mturned: 0x019C, + Mu: 0x039C, + N: 0x004E, + NJ: 0x01CA, + Nacute: 0x0143, + Ncaron: 0x0147, + Ncedilla: 0x0145, + Ncircle: 0x24C3, + Ncircumflexbelow: 0x1E4A, + Ncommaaccent: 0x0145, + Ndotaccent: 0x1E44, + Ndotbelow: 0x1E46, + Nhookleft: 0x019D, + Nineroman: 0x2168, + Nj: 0x01CB, + Njecyrillic: 0x040A, + Nlinebelow: 0x1E48, + Nmonospace: 0xFF2E, + Nowarmenian: 0x0546, + Nsmall: 0xF76E, + Ntilde: 0x00D1, + Ntildesmall: 0xF7F1, + Nu: 0x039D, + O: 0x004F, + OE: 0x0152, + OEsmall: 0xF6FA, + Oacute: 0x00D3, + Oacutesmall: 0xF7F3, + Obarredcyrillic: 0x04E8, + Obarreddieresiscyrillic: 0x04EA, + Obreve: 0x014E, + Ocaron: 0x01D1, + Ocenteredtilde: 0x019F, + Ocircle: 0x24C4, + Ocircumflex: 0x00D4, + Ocircumflexacute: 0x1ED0, + Ocircumflexdotbelow: 0x1ED8, + Ocircumflexgrave: 0x1ED2, + Ocircumflexhookabove: 0x1ED4, + Ocircumflexsmall: 0xF7F4, + Ocircumflextilde: 0x1ED6, + Ocyrillic: 0x041E, + Odblacute: 0x0150, + Odblgrave: 0x020C, + Odieresis: 0x00D6, + Odieresiscyrillic: 0x04E6, + Odieresissmall: 0xF7F6, + Odotbelow: 0x1ECC, + Ogoneksmall: 0xF6FB, + Ograve: 0x00D2, + Ogravesmall: 0xF7F2, + Oharmenian: 0x0555, + Ohm: 0x2126, + Ohookabove: 0x1ECE, + Ohorn: 0x01A0, + Ohornacute: 0x1EDA, + Ohorndotbelow: 0x1EE2, + Ohorngrave: 0x1EDC, + Ohornhookabove: 0x1EDE, + Ohorntilde: 0x1EE0, + Ohungarumlaut: 0x0150, + Oi: 0x01A2, + Oinvertedbreve: 0x020E, + Omacron: 0x014C, + Omacronacute: 0x1E52, + Omacrongrave: 0x1E50, + Omega: 0x2126, + Omegacyrillic: 0x0460, + Omegagreek: 0x03A9, + Omegaroundcyrillic: 0x047A, + Omegatitlocyrillic: 0x047C, + Omegatonos: 0x038F, + Omicron: 0x039F, + Omicrontonos: 0x038C, + Omonospace: 0xFF2F, + Oneroman: 0x2160, + Oogonek: 0x01EA, + Oogonekmacron: 0x01EC, + Oopen: 0x0186, + Oslash: 0x00D8, + Oslashacute: 0x01FE, + Oslashsmall: 0xF7F8, + Osmall: 0xF76F, + Ostrokeacute: 0x01FE, + Otcyrillic: 0x047E, + Otilde: 0x00D5, + Otildeacute: 0x1E4C, + Otildedieresis: 0x1E4E, + Otildesmall: 0xF7F5, + P: 0x0050, + Pacute: 0x1E54, + Pcircle: 0x24C5, + Pdotaccent: 0x1E56, + Pecyrillic: 0x041F, + Peharmenian: 0x054A, + Pemiddlehookcyrillic: 0x04A6, + Phi: 0x03A6, + Phook: 0x01A4, + Pi: 0x03A0, + Piwrarmenian: 0x0553, + Pmonospace: 0xFF30, + Psi: 0x03A8, + Psicyrillic: 0x0470, + Psmall: 0xF770, + Q: 0x0051, + Qcircle: 0x24C6, + Qmonospace: 0xFF31, + Qsmall: 0xF771, + R: 0x0052, + Raarmenian: 0x054C, + Racute: 0x0154, + Rcaron: 0x0158, + Rcedilla: 0x0156, + Rcircle: 0x24C7, + Rcommaaccent: 0x0156, + Rdblgrave: 0x0210, + Rdotaccent: 0x1E58, + Rdotbelow: 0x1E5A, + Rdotbelowmacron: 0x1E5C, + Reharmenian: 0x0550, + Rfraktur: 0x211C, + Rho: 0x03A1, + Ringsmall: 0xF6FC, + Rinvertedbreve: 0x0212, + Rlinebelow: 0x1E5E, + Rmonospace: 0xFF32, + Rsmall: 0xF772, + Rsmallinverted: 0x0281, + Rsmallinvertedsuperior: 0x02B6, + S: 0x0053, + SF010000: 0x250C, + SF020000: 0x2514, + SF030000: 0x2510, + SF040000: 0x2518, + SF050000: 0x253C, + SF060000: 0x252C, + SF070000: 0x2534, + SF080000: 0x251C, + SF090000: 0x2524, + SF100000: 0x2500, + SF110000: 0x2502, + SF190000: 0x2561, + SF200000: 0x2562, + SF210000: 0x2556, + SF220000: 0x2555, + SF230000: 0x2563, + SF240000: 0x2551, + SF250000: 0x2557, + SF260000: 0x255D, + SF270000: 0x255C, + SF280000: 0x255B, + SF360000: 0x255E, + SF370000: 0x255F, + SF380000: 0x255A, + SF390000: 0x2554, + SF400000: 0x2569, + SF410000: 0x2566, + SF420000: 0x2560, + SF430000: 0x2550, + SF440000: 0x256C, + SF450000: 0x2567, + SF460000: 0x2568, + SF470000: 0x2564, + SF480000: 0x2565, + SF490000: 0x2559, + SF500000: 0x2558, + SF510000: 0x2552, + SF520000: 0x2553, + SF530000: 0x256B, + SF540000: 0x256A, + Sacute: 0x015A, + Sacutedotaccent: 0x1E64, + Sampigreek: 0x03E0, + Scaron: 0x0160, + Scarondotaccent: 0x1E66, + Scaronsmall: 0xF6FD, + Scedilla: 0x015E, + Schwa: 0x018F, + Schwacyrillic: 0x04D8, + Schwadieresiscyrillic: 0x04DA, + Scircle: 0x24C8, + Scircumflex: 0x015C, + Scommaaccent: 0x0218, + Sdotaccent: 0x1E60, + Sdotbelow: 0x1E62, + Sdotbelowdotaccent: 0x1E68, + Seharmenian: 0x054D, + Sevenroman: 0x2166, + Shaarmenian: 0x0547, + Shacyrillic: 0x0428, + Shchacyrillic: 0x0429, + Sheicoptic: 0x03E2, + Shhacyrillic: 0x04BA, + Shimacoptic: 0x03EC, + Sigma: 0x03A3, + Sixroman: 0x2165, + Smonospace: 0xFF33, + Softsigncyrillic: 0x042C, + Ssmall: 0xF773, + Stigmagreek: 0x03DA, + T: 0x0054, + Tau: 0x03A4, + Tbar: 0x0166, + Tcaron: 0x0164, + Tcedilla: 0x0162, + Tcircle: 0x24C9, + Tcircumflexbelow: 0x1E70, + Tcommaaccent: 0x0162, + Tdotaccent: 0x1E6A, + Tdotbelow: 0x1E6C, + Tecyrillic: 0x0422, + Tedescendercyrillic: 0x04AC, + Tenroman: 0x2169, + Tetsecyrillic: 0x04B4, + Theta: 0x0398, + Thook: 0x01AC, + Thorn: 0x00DE, + Thornsmall: 0xF7FE, + Threeroman: 0x2162, + Tildesmall: 0xF6FE, + Tiwnarmenian: 0x054F, + Tlinebelow: 0x1E6E, + Tmonospace: 0xFF34, + Toarmenian: 0x0539, + Tonefive: 0x01BC, + Tonesix: 0x0184, + Tonetwo: 0x01A7, + Tretroflexhook: 0x01AE, + Tsecyrillic: 0x0426, + Tshecyrillic: 0x040B, + Tsmall: 0xF774, + Twelveroman: 0x216B, + Tworoman: 0x2161, + U: 0x0055, + Uacute: 0x00DA, + Uacutesmall: 0xF7FA, + Ubreve: 0x016C, + Ucaron: 0x01D3, + Ucircle: 0x24CA, + Ucircumflex: 0x00DB, + Ucircumflexbelow: 0x1E76, + Ucircumflexsmall: 0xF7FB, + Ucyrillic: 0x0423, + Udblacute: 0x0170, + Udblgrave: 0x0214, + Udieresis: 0x00DC, + Udieresisacute: 0x01D7, + Udieresisbelow: 0x1E72, + Udieresiscaron: 0x01D9, + Udieresiscyrillic: 0x04F0, + Udieresisgrave: 0x01DB, + Udieresismacron: 0x01D5, + Udieresissmall: 0xF7FC, + Udotbelow: 0x1EE4, + Ugrave: 0x00D9, + Ugravesmall: 0xF7F9, + Uhookabove: 0x1EE6, + Uhorn: 0x01AF, + Uhornacute: 0x1EE8, + Uhorndotbelow: 0x1EF0, + Uhorngrave: 0x1EEA, + Uhornhookabove: 0x1EEC, + Uhorntilde: 0x1EEE, + Uhungarumlaut: 0x0170, + Uhungarumlautcyrillic: 0x04F2, + Uinvertedbreve: 0x0216, + Ukcyrillic: 0x0478, + Umacron: 0x016A, + Umacroncyrillic: 0x04EE, + Umacrondieresis: 0x1E7A, + Umonospace: 0xFF35, + Uogonek: 0x0172, + Upsilon: 0x03A5, + Upsilon1: 0x03D2, + Upsilonacutehooksymbolgreek: 0x03D3, + Upsilonafrican: 0x01B1, + Upsilondieresis: 0x03AB, + Upsilondieresishooksymbolgreek: 0x03D4, + Upsilonhooksymbol: 0x03D2, + Upsilontonos: 0x038E, + Uring: 0x016E, + Ushortcyrillic: 0x040E, + Usmall: 0xF775, + Ustraightcyrillic: 0x04AE, + Ustraightstrokecyrillic: 0x04B0, + Utilde: 0x0168, + Utildeacute: 0x1E78, + Utildebelow: 0x1E74, + V: 0x0056, + Vcircle: 0x24CB, + Vdotbelow: 0x1E7E, + Vecyrillic: 0x0412, + Vewarmenian: 0x054E, + Vhook: 0x01B2, + Vmonospace: 0xFF36, + Voarmenian: 0x0548, + Vsmall: 0xF776, + Vtilde: 0x1E7C, + W: 0x0057, + Wacute: 0x1E82, + Wcircle: 0x24CC, + Wcircumflex: 0x0174, + Wdieresis: 0x1E84, + Wdotaccent: 0x1E86, + Wdotbelow: 0x1E88, + Wgrave: 0x1E80, + Wmonospace: 0xFF37, + Wsmall: 0xF777, + X: 0x0058, + Xcircle: 0x24CD, + Xdieresis: 0x1E8C, + Xdotaccent: 0x1E8A, + Xeharmenian: 0x053D, + Xi: 0x039E, + Xmonospace: 0xFF38, + Xsmall: 0xF778, + Y: 0x0059, + Yacute: 0x00DD, + Yacutesmall: 0xF7FD, + Yatcyrillic: 0x0462, + Ycircle: 0x24CE, + Ycircumflex: 0x0176, + Ydieresis: 0x0178, + Ydieresissmall: 0xF7FF, + Ydotaccent: 0x1E8E, + Ydotbelow: 0x1EF4, + Yericyrillic: 0x042B, + Yerudieresiscyrillic: 0x04F8, + Ygrave: 0x1EF2, + Yhook: 0x01B3, + Yhookabove: 0x1EF6, + Yiarmenian: 0x0545, + Yicyrillic: 0x0407, + Yiwnarmenian: 0x0552, + Ymonospace: 0xFF39, + Ysmall: 0xF779, + Ytilde: 0x1EF8, + Yusbigcyrillic: 0x046A, + Yusbigiotifiedcyrillic: 0x046C, + Yuslittlecyrillic: 0x0466, + Yuslittleiotifiedcyrillic: 0x0468, + Z: 0x005A, + Zaarmenian: 0x0536, + Zacute: 0x0179, + Zcaron: 0x017D, + Zcaronsmall: 0xF6FF, + Zcircle: 0x24CF, + Zcircumflex: 0x1E90, + Zdot: 0x017B, + Zdotaccent: 0x017B, + Zdotbelow: 0x1E92, + Zecyrillic: 0x0417, + Zedescendercyrillic: 0x0498, + Zedieresiscyrillic: 0x04DE, + Zeta: 0x0396, + Zhearmenian: 0x053A, + Zhebrevecyrillic: 0x04C1, + Zhecyrillic: 0x0416, + Zhedescendercyrillic: 0x0496, + Zhedieresiscyrillic: 0x04DC, + Zlinebelow: 0x1E94, + Zmonospace: 0xFF3A, + Zsmall: 0xF77A, + Zstroke: 0x01B5, + a: 0x0061, + aabengali: 0x0986, + aacute: 0x00E1, + aadeva: 0x0906, + aagujarati: 0x0A86, + aagurmukhi: 0x0A06, + aamatragurmukhi: 0x0A3E, + aarusquare: 0x3303, + aavowelsignbengali: 0x09BE, + aavowelsigndeva: 0x093E, + aavowelsigngujarati: 0x0ABE, + abbreviationmarkarmenian: 0x055F, + abbreviationsigndeva: 0x0970, + abengali: 0x0985, + abopomofo: 0x311A, + abreve: 0x0103, + abreveacute: 0x1EAF, + abrevecyrillic: 0x04D1, + abrevedotbelow: 0x1EB7, + abrevegrave: 0x1EB1, + abrevehookabove: 0x1EB3, + abrevetilde: 0x1EB5, + acaron: 0x01CE, + acircle: 0x24D0, + acircumflex: 0x00E2, + acircumflexacute: 0x1EA5, + acircumflexdotbelow: 0x1EAD, + acircumflexgrave: 0x1EA7, + acircumflexhookabove: 0x1EA9, + acircumflextilde: 0x1EAB, + acute: 0x00B4, + acutebelowcmb: 0x0317, + acutecmb: 0x0301, + acutecomb: 0x0301, + acutedeva: 0x0954, + acutelowmod: 0x02CF, + acutetonecmb: 0x0341, + acyrillic: 0x0430, + adblgrave: 0x0201, + addakgurmukhi: 0x0A71, + adeva: 0x0905, + adieresis: 0x00E4, + adieresiscyrillic: 0x04D3, + adieresismacron: 0x01DF, + adotbelow: 0x1EA1, + adotmacron: 0x01E1, + ae: 0x00E6, + aeacute: 0x01FD, + aekorean: 0x3150, + aemacron: 0x01E3, + afii00208: 0x2015, + afii08941: 0x20A4, + afii10017: 0x0410, + afii10018: 0x0411, + afii10019: 0x0412, + afii10020: 0x0413, + afii10021: 0x0414, + afii10022: 0x0415, + afii10023: 0x0401, + afii10024: 0x0416, + afii10025: 0x0417, + afii10026: 0x0418, + afii10027: 0x0419, + afii10028: 0x041A, + afii10029: 0x041B, + afii10030: 0x041C, + afii10031: 0x041D, + afii10032: 0x041E, + afii10033: 0x041F, + afii10034: 0x0420, + afii10035: 0x0421, + afii10036: 0x0422, + afii10037: 0x0423, + afii10038: 0x0424, + afii10039: 0x0425, + afii10040: 0x0426, + afii10041: 0x0427, + afii10042: 0x0428, + afii10043: 0x0429, + afii10044: 0x042A, + afii10045: 0x042B, + afii10046: 0x042C, + afii10047: 0x042D, + afii10048: 0x042E, + afii10049: 0x042F, + afii10050: 0x0490, + afii10051: 0x0402, + afii10052: 0x0403, + afii10053: 0x0404, + afii10054: 0x0405, + afii10055: 0x0406, + afii10056: 0x0407, + afii10057: 0x0408, + afii10058: 0x0409, + afii10059: 0x040A, + afii10060: 0x040B, + afii10061: 0x040C, + afii10062: 0x040E, + afii10063: 0xF6C4, + afii10064: 0xF6C5, + afii10065: 0x0430, + afii10066: 0x0431, + afii10067: 0x0432, + afii10068: 0x0433, + afii10069: 0x0434, + afii10070: 0x0435, + afii10071: 0x0451, + afii10072: 0x0436, + afii10073: 0x0437, + afii10074: 0x0438, + afii10075: 0x0439, + afii10076: 0x043A, + afii10077: 0x043B, + afii10078: 0x043C, + afii10079: 0x043D, + afii10080: 0x043E, + afii10081: 0x043F, + afii10082: 0x0440, + afii10083: 0x0441, + afii10084: 0x0442, + afii10085: 0x0443, + afii10086: 0x0444, + afii10087: 0x0445, + afii10088: 0x0446, + afii10089: 0x0447, + afii10090: 0x0448, + afii10091: 0x0449, + afii10092: 0x044A, + afii10093: 0x044B, + afii10094: 0x044C, + afii10095: 0x044D, + afii10096: 0x044E, + afii10097: 0x044F, + afii10098: 0x0491, + afii10099: 0x0452, + afii10100: 0x0453, + afii10101: 0x0454, + afii10102: 0x0455, + afii10103: 0x0456, + afii10104: 0x0457, + afii10105: 0x0458, + afii10106: 0x0459, + afii10107: 0x045A, + afii10108: 0x045B, + afii10109: 0x045C, + afii10110: 0x045E, + afii10145: 0x040F, + afii10146: 0x0462, + afii10147: 0x0472, + afii10148: 0x0474, + afii10192: 0xF6C6, + afii10193: 0x045F, + afii10194: 0x0463, + afii10195: 0x0473, + afii10196: 0x0475, + afii10831: 0xF6C7, + afii10832: 0xF6C8, + afii10846: 0x04D9, + afii299: 0x200E, + afii300: 0x200F, + afii301: 0x200D, + afii57381: 0x066A, + afii57388: 0x060C, + afii57392: 0x0660, + afii57393: 0x0661, + afii57394: 0x0662, + afii57395: 0x0663, + afii57396: 0x0664, + afii57397: 0x0665, + afii57398: 0x0666, + afii57399: 0x0667, + afii57400: 0x0668, + afii57401: 0x0669, + afii57403: 0x061B, + afii57407: 0x061F, + afii57409: 0x0621, + afii57410: 0x0622, + afii57411: 0x0623, + afii57412: 0x0624, + afii57413: 0x0625, + afii57414: 0x0626, + afii57415: 0x0627, + afii57416: 0x0628, + afii57417: 0x0629, + afii57418: 0x062A, + afii57419: 0x062B, + afii57420: 0x062C, + afii57421: 0x062D, + afii57422: 0x062E, + afii57423: 0x062F, + afii57424: 0x0630, + afii57425: 0x0631, + afii57426: 0x0632, + afii57427: 0x0633, + afii57428: 0x0634, + afii57429: 0x0635, + afii57430: 0x0636, + afii57431: 0x0637, + afii57432: 0x0638, + afii57433: 0x0639, + afii57434: 0x063A, + afii57440: 0x0640, + afii57441: 0x0641, + afii57442: 0x0642, + afii57443: 0x0643, + afii57444: 0x0644, + afii57445: 0x0645, + afii57446: 0x0646, + afii57448: 0x0648, + afii57449: 0x0649, + afii57450: 0x064A, + afii57451: 0x064B, + afii57452: 0x064C, + afii57453: 0x064D, + afii57454: 0x064E, + afii57455: 0x064F, + afii57456: 0x0650, + afii57457: 0x0651, + afii57458: 0x0652, + afii57470: 0x0647, + afii57505: 0x06A4, + afii57506: 0x067E, + afii57507: 0x0686, + afii57508: 0x0698, + afii57509: 0x06AF, + afii57511: 0x0679, + afii57512: 0x0688, + afii57513: 0x0691, + afii57514: 0x06BA, + afii57519: 0x06D2, + afii57534: 0x06D5, + afii57636: 0x20AA, + afii57645: 0x05BE, + afii57658: 0x05C3, + afii57664: 0x05D0, + afii57665: 0x05D1, + afii57666: 0x05D2, + afii57667: 0x05D3, + afii57668: 0x05D4, + afii57669: 0x05D5, + afii57670: 0x05D6, + afii57671: 0x05D7, + afii57672: 0x05D8, + afii57673: 0x05D9, + afii57674: 0x05DA, + afii57675: 0x05DB, + afii57676: 0x05DC, + afii57677: 0x05DD, + afii57678: 0x05DE, + afii57679: 0x05DF, + afii57680: 0x05E0, + afii57681: 0x05E1, + afii57682: 0x05E2, + afii57683: 0x05E3, + afii57684: 0x05E4, + afii57685: 0x05E5, + afii57686: 0x05E6, + afii57687: 0x05E7, + afii57688: 0x05E8, + afii57689: 0x05E9, + afii57690: 0x05EA, + afii57694: 0xFB2A, + afii57695: 0xFB2B, + afii57700: 0xFB4B, + afii57705: 0xFB1F, + afii57716: 0x05F0, + afii57717: 0x05F1, + afii57718: 0x05F2, + afii57723: 0xFB35, + afii57793: 0x05B4, + afii57794: 0x05B5, + afii57795: 0x05B6, + afii57796: 0x05BB, + afii57797: 0x05B8, + afii57798: 0x05B7, + afii57799: 0x05B0, + afii57800: 0x05B2, + afii57801: 0x05B1, + afii57802: 0x05B3, + afii57803: 0x05C2, + afii57804: 0x05C1, + afii57806: 0x05B9, + afii57807: 0x05BC, + afii57839: 0x05BD, + afii57841: 0x05BF, + afii57842: 0x05C0, + afii57929: 0x02BC, + afii61248: 0x2105, + afii61289: 0x2113, + afii61352: 0x2116, + afii61573: 0x202C, + afii61574: 0x202D, + afii61575: 0x202E, + afii61664: 0x200C, + afii63167: 0x066D, + afii64937: 0x02BD, + agrave: 0x00E0, + agujarati: 0x0A85, + agurmukhi: 0x0A05, + ahiragana: 0x3042, + ahookabove: 0x1EA3, + aibengali: 0x0990, + aibopomofo: 0x311E, + aideva: 0x0910, + aiecyrillic: 0x04D5, + aigujarati: 0x0A90, + aigurmukhi: 0x0A10, + aimatragurmukhi: 0x0A48, + ainarabic: 0x0639, + ainfinalarabic: 0xFECA, + aininitialarabic: 0xFECB, + ainmedialarabic: 0xFECC, + ainvertedbreve: 0x0203, + aivowelsignbengali: 0x09C8, + aivowelsigndeva: 0x0948, + aivowelsigngujarati: 0x0AC8, + akatakana: 0x30A2, + akatakanahalfwidth: 0xFF71, + akorean: 0x314F, + alef: 0x05D0, + alefarabic: 0x0627, + alefdageshhebrew: 0xFB30, + aleffinalarabic: 0xFE8E, + alefhamzaabovearabic: 0x0623, + alefhamzaabovefinalarabic: 0xFE84, + alefhamzabelowarabic: 0x0625, + alefhamzabelowfinalarabic: 0xFE88, + alefhebrew: 0x05D0, + aleflamedhebrew: 0xFB4F, + alefmaddaabovearabic: 0x0622, + alefmaddaabovefinalarabic: 0xFE82, + alefmaksuraarabic: 0x0649, + alefmaksurafinalarabic: 0xFEF0, + alefmaksurainitialarabic: 0xFEF3, + alefmaksuramedialarabic: 0xFEF4, + alefpatahhebrew: 0xFB2E, + alefqamatshebrew: 0xFB2F, + aleph: 0x2135, + allequal: 0x224C, + alpha: 0x03B1, + alphatonos: 0x03AC, + amacron: 0x0101, + amonospace: 0xFF41, + ampersand: 0x0026, + ampersandmonospace: 0xFF06, + ampersandsmall: 0xF726, + amsquare: 0x33C2, + anbopomofo: 0x3122, + angbopomofo: 0x3124, + angbracketleft: 0x3008, // This glyph is missing from Adobe's original list. + angbracketright: 0x3009, // This glyph is missing from Adobe's original list. + angkhankhuthai: 0x0E5A, + angle: 0x2220, + anglebracketleft: 0x3008, + anglebracketleftvertical: 0xFE3F, + anglebracketright: 0x3009, + anglebracketrightvertical: 0xFE40, + angleleft: 0x2329, + angleright: 0x232A, + angstrom: 0x212B, + anoteleia: 0x0387, + anudattadeva: 0x0952, + anusvarabengali: 0x0982, + anusvaradeva: 0x0902, + anusvaragujarati: 0x0A82, + aogonek: 0x0105, + apaatosquare: 0x3300, + aparen: 0x249C, + apostrophearmenian: 0x055A, + apostrophemod: 0x02BC, + apple: 0xF8FF, + approaches: 0x2250, + approxequal: 0x2248, + approxequalorimage: 0x2252, + approximatelyequal: 0x2245, + araeaekorean: 0x318E, + araeakorean: 0x318D, + arc: 0x2312, + arighthalfring: 0x1E9A, + aring: 0x00E5, + aringacute: 0x01FB, + aringbelow: 0x1E01, + arrowboth: 0x2194, + arrowdashdown: 0x21E3, + arrowdashleft: 0x21E0, + arrowdashright: 0x21E2, + arrowdashup: 0x21E1, + arrowdblboth: 0x21D4, + arrowdbldown: 0x21D3, + arrowdblleft: 0x21D0, + arrowdblright: 0x21D2, + arrowdblup: 0x21D1, + arrowdown: 0x2193, + arrowdownleft: 0x2199, + arrowdownright: 0x2198, + arrowdownwhite: 0x21E9, + arrowheaddownmod: 0x02C5, + arrowheadleftmod: 0x02C2, + arrowheadrightmod: 0x02C3, + arrowheadupmod: 0x02C4, + arrowhorizex: 0xF8E7, + arrowleft: 0x2190, + arrowleftdbl: 0x21D0, + arrowleftdblstroke: 0x21CD, + arrowleftoverright: 0x21C6, + arrowleftwhite: 0x21E6, + arrowright: 0x2192, + arrowrightdblstroke: 0x21CF, + arrowrightheavy: 0x279E, + arrowrightoverleft: 0x21C4, + arrowrightwhite: 0x21E8, + arrowtableft: 0x21E4, + arrowtabright: 0x21E5, + arrowup: 0x2191, + arrowupdn: 0x2195, + arrowupdnbse: 0x21A8, + arrowupdownbase: 0x21A8, + arrowupleft: 0x2196, + arrowupleftofdown: 0x21C5, + arrowupright: 0x2197, + arrowupwhite: 0x21E7, + arrowvertex: 0xF8E6, + asciicircum: 0x005E, + asciicircummonospace: 0xFF3E, + asciitilde: 0x007E, + asciitildemonospace: 0xFF5E, + ascript: 0x0251, + ascriptturned: 0x0252, + asmallhiragana: 0x3041, + asmallkatakana: 0x30A1, + asmallkatakanahalfwidth: 0xFF67, + asterisk: 0x002A, + asteriskaltonearabic: 0x066D, + asteriskarabic: 0x066D, + asteriskmath: 0x2217, + asteriskmonospace: 0xFF0A, + asterisksmall: 0xFE61, + asterism: 0x2042, + asuperior: 0xF6E9, + asymptoticallyequal: 0x2243, + at: 0x0040, + atilde: 0x00E3, + atmonospace: 0xFF20, + atsmall: 0xFE6B, + aturned: 0x0250, + aubengali: 0x0994, + aubopomofo: 0x3120, + audeva: 0x0914, + augujarati: 0x0A94, + augurmukhi: 0x0A14, + aulengthmarkbengali: 0x09D7, + aumatragurmukhi: 0x0A4C, + auvowelsignbengali: 0x09CC, + auvowelsigndeva: 0x094C, + auvowelsigngujarati: 0x0ACC, + avagrahadeva: 0x093D, + aybarmenian: 0x0561, + ayin: 0x05E2, + ayinaltonehebrew: 0xFB20, + ayinhebrew: 0x05E2, + b: 0x0062, + babengali: 0x09AC, + backslash: 0x005C, + backslashmonospace: 0xFF3C, + badeva: 0x092C, + bagujarati: 0x0AAC, + bagurmukhi: 0x0A2C, + bahiragana: 0x3070, + bahtthai: 0x0E3F, + bakatakana: 0x30D0, + bar: 0x007C, + barmonospace: 0xFF5C, + bbopomofo: 0x3105, + bcircle: 0x24D1, + bdotaccent: 0x1E03, + bdotbelow: 0x1E05, + beamedsixteenthnotes: 0x266C, + because: 0x2235, + becyrillic: 0x0431, + beharabic: 0x0628, + behfinalarabic: 0xFE90, + behinitialarabic: 0xFE91, + behiragana: 0x3079, + behmedialarabic: 0xFE92, + behmeeminitialarabic: 0xFC9F, + behmeemisolatedarabic: 0xFC08, + behnoonfinalarabic: 0xFC6D, + bekatakana: 0x30D9, + benarmenian: 0x0562, + bet: 0x05D1, + beta: 0x03B2, + betasymbolgreek: 0x03D0, + betdagesh: 0xFB31, + betdageshhebrew: 0xFB31, + bethebrew: 0x05D1, + betrafehebrew: 0xFB4C, + bhabengali: 0x09AD, + bhadeva: 0x092D, + bhagujarati: 0x0AAD, + bhagurmukhi: 0x0A2D, + bhook: 0x0253, + bihiragana: 0x3073, + bikatakana: 0x30D3, + bilabialclick: 0x0298, + bindigurmukhi: 0x0A02, + birusquare: 0x3331, + blackcircle: 0x25CF, + blackdiamond: 0x25C6, + blackdownpointingtriangle: 0x25BC, + blackleftpointingpointer: 0x25C4, + blackleftpointingtriangle: 0x25C0, + blacklenticularbracketleft: 0x3010, + blacklenticularbracketleftvertical: 0xFE3B, + blacklenticularbracketright: 0x3011, + blacklenticularbracketrightvertical: 0xFE3C, + blacklowerlefttriangle: 0x25E3, + blacklowerrighttriangle: 0x25E2, + blackrectangle: 0x25AC, + blackrightpointingpointer: 0x25BA, + blackrightpointingtriangle: 0x25B6, + blacksmallsquare: 0x25AA, + blacksmilingface: 0x263B, + blacksquare: 0x25A0, + blackstar: 0x2605, + blackupperlefttriangle: 0x25E4, + blackupperrighttriangle: 0x25E5, + blackuppointingsmalltriangle: 0x25B4, + blackuppointingtriangle: 0x25B2, + blank: 0x2423, + blinebelow: 0x1E07, + block: 0x2588, + bmonospace: 0xFF42, + bobaimaithai: 0x0E1A, + bohiragana: 0x307C, + bokatakana: 0x30DC, + bparen: 0x249D, + bqsquare: 0x33C3, + braceex: 0xF8F4, + braceleft: 0x007B, + braceleftbt: 0xF8F3, + braceleftmid: 0xF8F2, + braceleftmonospace: 0xFF5B, + braceleftsmall: 0xFE5B, + bracelefttp: 0xF8F1, + braceleftvertical: 0xFE37, + braceright: 0x007D, + bracerightbt: 0xF8FE, + bracerightmid: 0xF8FD, + bracerightmonospace: 0xFF5D, + bracerightsmall: 0xFE5C, + bracerighttp: 0xF8FC, + bracerightvertical: 0xFE38, + bracketleft: 0x005B, + bracketleftbt: 0xF8F0, + bracketleftex: 0xF8EF, + bracketleftmonospace: 0xFF3B, + bracketlefttp: 0xF8EE, + bracketright: 0x005D, + bracketrightbt: 0xF8FB, + bracketrightex: 0xF8FA, + bracketrightmonospace: 0xFF3D, + bracketrighttp: 0xF8F9, + breve: 0x02D8, + brevebelowcmb: 0x032E, + brevecmb: 0x0306, + breveinvertedbelowcmb: 0x032F, + breveinvertedcmb: 0x0311, + breveinverteddoublecmb: 0x0361, + bridgebelowcmb: 0x032A, + bridgeinvertedbelowcmb: 0x033A, + brokenbar: 0x00A6, + bstroke: 0x0180, + bsuperior: 0xF6EA, + btopbar: 0x0183, + buhiragana: 0x3076, + bukatakana: 0x30D6, + bullet: 0x2022, + bulletinverse: 0x25D8, + bulletoperator: 0x2219, + bullseye: 0x25CE, + c: 0x0063, + caarmenian: 0x056E, + cabengali: 0x099A, + cacute: 0x0107, + cadeva: 0x091A, + cagujarati: 0x0A9A, + cagurmukhi: 0x0A1A, + calsquare: 0x3388, + candrabindubengali: 0x0981, + candrabinducmb: 0x0310, + candrabindudeva: 0x0901, + candrabindugujarati: 0x0A81, + capslock: 0x21EA, + careof: 0x2105, + caron: 0x02C7, + caronbelowcmb: 0x032C, + caroncmb: 0x030C, + carriagereturn: 0x21B5, + cbopomofo: 0x3118, + ccaron: 0x010D, + ccedilla: 0x00E7, + ccedillaacute: 0x1E09, + ccircle: 0x24D2, + ccircumflex: 0x0109, + ccurl: 0x0255, + cdot: 0x010B, + cdotaccent: 0x010B, + cdsquare: 0x33C5, + cedilla: 0x00B8, + cedillacmb: 0x0327, + cent: 0x00A2, + centigrade: 0x2103, + centinferior: 0xF6DF, + centmonospace: 0xFFE0, + centoldstyle: 0xF7A2, + centsuperior: 0xF6E0, + chaarmenian: 0x0579, + chabengali: 0x099B, + chadeva: 0x091B, + chagujarati: 0x0A9B, + chagurmukhi: 0x0A1B, + chbopomofo: 0x3114, + cheabkhasiancyrillic: 0x04BD, + checkmark: 0x2713, + checyrillic: 0x0447, + chedescenderabkhasiancyrillic: 0x04BF, + chedescendercyrillic: 0x04B7, + chedieresiscyrillic: 0x04F5, + cheharmenian: 0x0573, + chekhakassiancyrillic: 0x04CC, + cheverticalstrokecyrillic: 0x04B9, + chi: 0x03C7, + chieuchacirclekorean: 0x3277, + chieuchaparenkorean: 0x3217, + chieuchcirclekorean: 0x3269, + chieuchkorean: 0x314A, + chieuchparenkorean: 0x3209, + chochangthai: 0x0E0A, + chochanthai: 0x0E08, + chochingthai: 0x0E09, + chochoethai: 0x0E0C, + chook: 0x0188, + cieucacirclekorean: 0x3276, + cieucaparenkorean: 0x3216, + cieuccirclekorean: 0x3268, + cieuckorean: 0x3148, + cieucparenkorean: 0x3208, + cieucuparenkorean: 0x321C, + circle: 0x25CB, + circlecopyrt: 0x00A9, // This glyph is missing from Adobe's original list. + circlemultiply: 0x2297, + circleot: 0x2299, + circleplus: 0x2295, + circlepostalmark: 0x3036, + circlewithlefthalfblack: 0x25D0, + circlewithrighthalfblack: 0x25D1, + circumflex: 0x02C6, + circumflexbelowcmb: 0x032D, + circumflexcmb: 0x0302, + clear: 0x2327, + clickalveolar: 0x01C2, + clickdental: 0x01C0, + clicklateral: 0x01C1, + clickretroflex: 0x01C3, + club: 0x2663, + clubsuitblack: 0x2663, + clubsuitwhite: 0x2667, + cmcubedsquare: 0x33A4, + cmonospace: 0xFF43, + cmsquaredsquare: 0x33A0, + coarmenian: 0x0581, + colon: 0x003A, + colonmonetary: 0x20A1, + colonmonospace: 0xFF1A, + colonsign: 0x20A1, + colonsmall: 0xFE55, + colontriangularhalfmod: 0x02D1, + colontriangularmod: 0x02D0, + comma: 0x002C, + commaabovecmb: 0x0313, + commaaboverightcmb: 0x0315, + commaaccent: 0xF6C3, + commaarabic: 0x060C, + commaarmenian: 0x055D, + commainferior: 0xF6E1, + commamonospace: 0xFF0C, + commareversedabovecmb: 0x0314, + commareversedmod: 0x02BD, + commasmall: 0xFE50, + commasuperior: 0xF6E2, + commaturnedabovecmb: 0x0312, + commaturnedmod: 0x02BB, + compass: 0x263C, + congruent: 0x2245, + contourintegral: 0x222E, + control: 0x2303, + controlACK: 0x0006, + controlBEL: 0x0007, + controlBS: 0x0008, + controlCAN: 0x0018, + controlCR: 0x000D, + controlDC1: 0x0011, + controlDC2: 0x0012, + controlDC3: 0x0013, + controlDC4: 0x0014, + controlDEL: 0x007F, + controlDLE: 0x0010, + controlEM: 0x0019, + controlENQ: 0x0005, + controlEOT: 0x0004, + controlESC: 0x001B, + controlETB: 0x0017, + controlETX: 0x0003, + controlFF: 0x000C, + controlFS: 0x001C, + controlGS: 0x001D, + controlHT: 0x0009, + controlLF: 0x000A, + controlNAK: 0x0015, + controlRS: 0x001E, + controlSI: 0x000F, + controlSO: 0x000E, + controlSOT: 0x0002, + controlSTX: 0x0001, + controlSUB: 0x001A, + controlSYN: 0x0016, + controlUS: 0x001F, + controlVT: 0x000B, + copyright: 0x00A9, + copyrightsans: 0xF8E9, + copyrightserif: 0xF6D9, + cornerbracketleft: 0x300C, + cornerbracketlefthalfwidth: 0xFF62, + cornerbracketleftvertical: 0xFE41, + cornerbracketright: 0x300D, + cornerbracketrighthalfwidth: 0xFF63, + cornerbracketrightvertical: 0xFE42, + corporationsquare: 0x337F, + cosquare: 0x33C7, + coverkgsquare: 0x33C6, + cparen: 0x249E, + cruzeiro: 0x20A2, + cstretched: 0x0297, + curlyand: 0x22CF, + curlyor: 0x22CE, + currency: 0x00A4, + cyrBreve: 0xF6D1, + cyrFlex: 0xF6D2, + cyrbreve: 0xF6D4, + cyrflex: 0xF6D5, + d: 0x0064, + daarmenian: 0x0564, + dabengali: 0x09A6, + dadarabic: 0x0636, + dadeva: 0x0926, + dadfinalarabic: 0xFEBE, + dadinitialarabic: 0xFEBF, + dadmedialarabic: 0xFEC0, + dagesh: 0x05BC, + dageshhebrew: 0x05BC, + dagger: 0x2020, + daggerdbl: 0x2021, + dagujarati: 0x0AA6, + dagurmukhi: 0x0A26, + dahiragana: 0x3060, + dakatakana: 0x30C0, + dalarabic: 0x062F, + dalet: 0x05D3, + daletdagesh: 0xFB33, + daletdageshhebrew: 0xFB33, + dalethebrew: 0x05D3, + dalfinalarabic: 0xFEAA, + dammaarabic: 0x064F, + dammalowarabic: 0x064F, + dammatanaltonearabic: 0x064C, + dammatanarabic: 0x064C, + danda: 0x0964, + dargahebrew: 0x05A7, + dargalefthebrew: 0x05A7, + dasiapneumatacyrilliccmb: 0x0485, + dblGrave: 0xF6D3, + dblanglebracketleft: 0x300A, + dblanglebracketleftvertical: 0xFE3D, + dblanglebracketright: 0x300B, + dblanglebracketrightvertical: 0xFE3E, + dblarchinvertedbelowcmb: 0x032B, + dblarrowleft: 0x21D4, + dblarrowright: 0x21D2, + dbldanda: 0x0965, + dblgrave: 0xF6D6, + dblgravecmb: 0x030F, + dblintegral: 0x222C, + dbllowline: 0x2017, + dbllowlinecmb: 0x0333, + dbloverlinecmb: 0x033F, + dblprimemod: 0x02BA, + dblverticalbar: 0x2016, + dblverticallineabovecmb: 0x030E, + dbopomofo: 0x3109, + dbsquare: 0x33C8, + dcaron: 0x010F, + dcedilla: 0x1E11, + dcircle: 0x24D3, + dcircumflexbelow: 0x1E13, + dcroat: 0x0111, + ddabengali: 0x09A1, + ddadeva: 0x0921, + ddagujarati: 0x0AA1, + ddagurmukhi: 0x0A21, + ddalarabic: 0x0688, + ddalfinalarabic: 0xFB89, + dddhadeva: 0x095C, + ddhabengali: 0x09A2, + ddhadeva: 0x0922, + ddhagujarati: 0x0AA2, + ddhagurmukhi: 0x0A22, + ddotaccent: 0x1E0B, + ddotbelow: 0x1E0D, + decimalseparatorarabic: 0x066B, + decimalseparatorpersian: 0x066B, + decyrillic: 0x0434, + degree: 0x00B0, + dehihebrew: 0x05AD, + dehiragana: 0x3067, + deicoptic: 0x03EF, + dekatakana: 0x30C7, + deleteleft: 0x232B, + deleteright: 0x2326, + delta: 0x03B4, + deltaturned: 0x018D, + denominatorminusonenumeratorbengali: 0x09F8, + dezh: 0x02A4, + dhabengali: 0x09A7, + dhadeva: 0x0927, + dhagujarati: 0x0AA7, + dhagurmukhi: 0x0A27, + dhook: 0x0257, + dialytikatonos: 0x0385, + dialytikatonoscmb: 0x0344, + diamond: 0x2666, + diamondsuitwhite: 0x2662, + dieresis: 0x00A8, + dieresisacute: 0xF6D7, + dieresisbelowcmb: 0x0324, + dieresiscmb: 0x0308, + dieresisgrave: 0xF6D8, + dieresistonos: 0x0385, + dihiragana: 0x3062, + dikatakana: 0x30C2, + dittomark: 0x3003, + divide: 0x00F7, + divides: 0x2223, + divisionslash: 0x2215, + djecyrillic: 0x0452, + dkshade: 0x2593, + dlinebelow: 0x1E0F, + dlsquare: 0x3397, + dmacron: 0x0111, + dmonospace: 0xFF44, + dnblock: 0x2584, + dochadathai: 0x0E0E, + dodekthai: 0x0E14, + dohiragana: 0x3069, + dokatakana: 0x30C9, + dollar: 0x0024, + dollarinferior: 0xF6E3, + dollarmonospace: 0xFF04, + dollaroldstyle: 0xF724, + dollarsmall: 0xFE69, + dollarsuperior: 0xF6E4, + dong: 0x20AB, + dorusquare: 0x3326, + dotaccent: 0x02D9, + dotaccentcmb: 0x0307, + dotbelowcmb: 0x0323, + dotbelowcomb: 0x0323, + dotkatakana: 0x30FB, + dotlessi: 0x0131, + dotlessj: 0xF6BE, + dotlessjstrokehook: 0x0284, + dotmath: 0x22C5, + dottedcircle: 0x25CC, + doubleyodpatah: 0xFB1F, + doubleyodpatahhebrew: 0xFB1F, + downtackbelowcmb: 0x031E, + downtackmod: 0x02D5, + dparen: 0x249F, + dsuperior: 0xF6EB, + dtail: 0x0256, + dtopbar: 0x018C, + duhiragana: 0x3065, + dukatakana: 0x30C5, + dz: 0x01F3, + dzaltone: 0x02A3, + dzcaron: 0x01C6, + dzcurl: 0x02A5, + dzeabkhasiancyrillic: 0x04E1, + dzecyrillic: 0x0455, + dzhecyrillic: 0x045F, + e: 0x0065, + eacute: 0x00E9, + earth: 0x2641, + ebengali: 0x098F, + ebopomofo: 0x311C, + ebreve: 0x0115, + ecandradeva: 0x090D, + ecandragujarati: 0x0A8D, + ecandravowelsigndeva: 0x0945, + ecandravowelsigngujarati: 0x0AC5, + ecaron: 0x011B, + ecedillabreve: 0x1E1D, + echarmenian: 0x0565, + echyiwnarmenian: 0x0587, + ecircle: 0x24D4, + ecircumflex: 0x00EA, + ecircumflexacute: 0x1EBF, + ecircumflexbelow: 0x1E19, + ecircumflexdotbelow: 0x1EC7, + ecircumflexgrave: 0x1EC1, + ecircumflexhookabove: 0x1EC3, + ecircumflextilde: 0x1EC5, + ecyrillic: 0x0454, + edblgrave: 0x0205, + edeva: 0x090F, + edieresis: 0x00EB, + edot: 0x0117, + edotaccent: 0x0117, + edotbelow: 0x1EB9, + eegurmukhi: 0x0A0F, + eematragurmukhi: 0x0A47, + efcyrillic: 0x0444, + egrave: 0x00E8, + egujarati: 0x0A8F, + eharmenian: 0x0567, + ehbopomofo: 0x311D, + ehiragana: 0x3048, + ehookabove: 0x1EBB, + eibopomofo: 0x311F, + eight: 0x0038, + eightarabic: 0x0668, + eightbengali: 0x09EE, + eightcircle: 0x2467, + eightcircleinversesansserif: 0x2791, + eightdeva: 0x096E, + eighteencircle: 0x2471, + eighteenparen: 0x2485, + eighteenperiod: 0x2499, + eightgujarati: 0x0AEE, + eightgurmukhi: 0x0A6E, + eighthackarabic: 0x0668, + eighthangzhou: 0x3028, + eighthnotebeamed: 0x266B, + eightideographicparen: 0x3227, + eightinferior: 0x2088, + eightmonospace: 0xFF18, + eightoldstyle: 0xF738, + eightparen: 0x247B, + eightperiod: 0x248F, + eightpersian: 0x06F8, + eightroman: 0x2177, + eightsuperior: 0x2078, + eightthai: 0x0E58, + einvertedbreve: 0x0207, + eiotifiedcyrillic: 0x0465, + ekatakana: 0x30A8, + ekatakanahalfwidth: 0xFF74, + ekonkargurmukhi: 0x0A74, + ekorean: 0x3154, + elcyrillic: 0x043B, + element: 0x2208, + elevencircle: 0x246A, + elevenparen: 0x247E, + elevenperiod: 0x2492, + elevenroman: 0x217A, + ellipsis: 0x2026, + ellipsisvertical: 0x22EE, + emacron: 0x0113, + emacronacute: 0x1E17, + emacrongrave: 0x1E15, + emcyrillic: 0x043C, + emdash: 0x2014, + emdashvertical: 0xFE31, + emonospace: 0xFF45, + emphasismarkarmenian: 0x055B, + emptyset: 0x2205, + enbopomofo: 0x3123, + encyrillic: 0x043D, + endash: 0x2013, + endashvertical: 0xFE32, + endescendercyrillic: 0x04A3, + eng: 0x014B, + engbopomofo: 0x3125, + enghecyrillic: 0x04A5, + enhookcyrillic: 0x04C8, + enspace: 0x2002, + eogonek: 0x0119, + eokorean: 0x3153, + eopen: 0x025B, + eopenclosed: 0x029A, + eopenreversed: 0x025C, + eopenreversedclosed: 0x025E, + eopenreversedhook: 0x025D, + eparen: 0x24A0, + epsilon: 0x03B5, + epsilontonos: 0x03AD, + equal: 0x003D, + equalmonospace: 0xFF1D, + equalsmall: 0xFE66, + equalsuperior: 0x207C, + equivalence: 0x2261, + erbopomofo: 0x3126, + ercyrillic: 0x0440, + ereversed: 0x0258, + ereversedcyrillic: 0x044D, + escyrillic: 0x0441, + esdescendercyrillic: 0x04AB, + esh: 0x0283, + eshcurl: 0x0286, + eshortdeva: 0x090E, + eshortvowelsigndeva: 0x0946, + eshreversedloop: 0x01AA, + eshsquatreversed: 0x0285, + esmallhiragana: 0x3047, + esmallkatakana: 0x30A7, + esmallkatakanahalfwidth: 0xFF6A, + estimated: 0x212E, + esuperior: 0xF6EC, + eta: 0x03B7, + etarmenian: 0x0568, + etatonos: 0x03AE, + eth: 0x00F0, + etilde: 0x1EBD, + etildebelow: 0x1E1B, + etnahtafoukhhebrew: 0x0591, + etnahtafoukhlefthebrew: 0x0591, + etnahtahebrew: 0x0591, + etnahtalefthebrew: 0x0591, + eturned: 0x01DD, + eukorean: 0x3161, + euro: 0x20AC, + evowelsignbengali: 0x09C7, + evowelsigndeva: 0x0947, + evowelsigngujarati: 0x0AC7, + exclam: 0x0021, + exclamarmenian: 0x055C, + exclamdbl: 0x203C, + exclamdown: 0x00A1, + exclamdownsmall: 0xF7A1, + exclammonospace: 0xFF01, + exclamsmall: 0xF721, + existential: 0x2203, + ezh: 0x0292, + ezhcaron: 0x01EF, + ezhcurl: 0x0293, + ezhreversed: 0x01B9, + ezhtail: 0x01BA, + f: 0x0066, + fadeva: 0x095E, + fagurmukhi: 0x0A5E, + fahrenheit: 0x2109, + fathaarabic: 0x064E, + fathalowarabic: 0x064E, + fathatanarabic: 0x064B, + fbopomofo: 0x3108, + fcircle: 0x24D5, + fdotaccent: 0x1E1F, + feharabic: 0x0641, + feharmenian: 0x0586, + fehfinalarabic: 0xFED2, + fehinitialarabic: 0xFED3, + fehmedialarabic: 0xFED4, + feicoptic: 0x03E5, + female: 0x2640, + ff: 0xFB00, + ffi: 0xFB03, + ffl: 0xFB04, + fi: 0xFB01, + fifteencircle: 0x246E, + fifteenparen: 0x2482, + fifteenperiod: 0x2496, + figuredash: 0x2012, + filledbox: 0x25A0, + filledrect: 0x25AC, + finalkaf: 0x05DA, + finalkafdagesh: 0xFB3A, + finalkafdageshhebrew: 0xFB3A, + finalkafhebrew: 0x05DA, + finalmem: 0x05DD, + finalmemhebrew: 0x05DD, + finalnun: 0x05DF, + finalnunhebrew: 0x05DF, + finalpe: 0x05E3, + finalpehebrew: 0x05E3, + finaltsadi: 0x05E5, + finaltsadihebrew: 0x05E5, + firsttonechinese: 0x02C9, + fisheye: 0x25C9, + fitacyrillic: 0x0473, + five: 0x0035, + fivearabic: 0x0665, + fivebengali: 0x09EB, + fivecircle: 0x2464, + fivecircleinversesansserif: 0x278E, + fivedeva: 0x096B, + fiveeighths: 0x215D, + fivegujarati: 0x0AEB, + fivegurmukhi: 0x0A6B, + fivehackarabic: 0x0665, + fivehangzhou: 0x3025, + fiveideographicparen: 0x3224, + fiveinferior: 0x2085, + fivemonospace: 0xFF15, + fiveoldstyle: 0xF735, + fiveparen: 0x2478, + fiveperiod: 0x248C, + fivepersian: 0x06F5, + fiveroman: 0x2174, + fivesuperior: 0x2075, + fivethai: 0x0E55, + fl: 0xFB02, + florin: 0x0192, + fmonospace: 0xFF46, + fmsquare: 0x3399, + fofanthai: 0x0E1F, + fofathai: 0x0E1D, + fongmanthai: 0x0E4F, + forall: 0x2200, + four: 0x0034, + fourarabic: 0x0664, + fourbengali: 0x09EA, + fourcircle: 0x2463, + fourcircleinversesansserif: 0x278D, + fourdeva: 0x096A, + fourgujarati: 0x0AEA, + fourgurmukhi: 0x0A6A, + fourhackarabic: 0x0664, + fourhangzhou: 0x3024, + fourideographicparen: 0x3223, + fourinferior: 0x2084, + fourmonospace: 0xFF14, + fournumeratorbengali: 0x09F7, + fouroldstyle: 0xF734, + fourparen: 0x2477, + fourperiod: 0x248B, + fourpersian: 0x06F4, + fourroman: 0x2173, + foursuperior: 0x2074, + fourteencircle: 0x246D, + fourteenparen: 0x2481, + fourteenperiod: 0x2495, + fourthai: 0x0E54, + fourthtonechinese: 0x02CB, + fparen: 0x24A1, + fraction: 0x2044, + franc: 0x20A3, + g: 0x0067, + gabengali: 0x0997, + gacute: 0x01F5, + gadeva: 0x0917, + gafarabic: 0x06AF, + gaffinalarabic: 0xFB93, + gafinitialarabic: 0xFB94, + gafmedialarabic: 0xFB95, + gagujarati: 0x0A97, + gagurmukhi: 0x0A17, + gahiragana: 0x304C, + gakatakana: 0x30AC, + gamma: 0x03B3, + gammalatinsmall: 0x0263, + gammasuperior: 0x02E0, + gangiacoptic: 0x03EB, + gbopomofo: 0x310D, + gbreve: 0x011F, + gcaron: 0x01E7, + gcedilla: 0x0123, + gcircle: 0x24D6, + gcircumflex: 0x011D, + gcommaaccent: 0x0123, + gdot: 0x0121, + gdotaccent: 0x0121, + gecyrillic: 0x0433, + gehiragana: 0x3052, + gekatakana: 0x30B2, + geometricallyequal: 0x2251, + gereshaccenthebrew: 0x059C, + gereshhebrew: 0x05F3, + gereshmuqdamhebrew: 0x059D, + germandbls: 0x00DF, + gershayimaccenthebrew: 0x059E, + gershayimhebrew: 0x05F4, + getamark: 0x3013, + ghabengali: 0x0998, + ghadarmenian: 0x0572, + ghadeva: 0x0918, + ghagujarati: 0x0A98, + ghagurmukhi: 0x0A18, + ghainarabic: 0x063A, + ghainfinalarabic: 0xFECE, + ghaininitialarabic: 0xFECF, + ghainmedialarabic: 0xFED0, + ghemiddlehookcyrillic: 0x0495, + ghestrokecyrillic: 0x0493, + gheupturncyrillic: 0x0491, + ghhadeva: 0x095A, + ghhagurmukhi: 0x0A5A, + ghook: 0x0260, + ghzsquare: 0x3393, + gihiragana: 0x304E, + gikatakana: 0x30AE, + gimarmenian: 0x0563, + gimel: 0x05D2, + gimeldagesh: 0xFB32, + gimeldageshhebrew: 0xFB32, + gimelhebrew: 0x05D2, + gjecyrillic: 0x0453, + glottalinvertedstroke: 0x01BE, + glottalstop: 0x0294, + glottalstopinverted: 0x0296, + glottalstopmod: 0x02C0, + glottalstopreversed: 0x0295, + glottalstopreversedmod: 0x02C1, + glottalstopreversedsuperior: 0x02E4, + glottalstopstroke: 0x02A1, + glottalstopstrokereversed: 0x02A2, + gmacron: 0x1E21, + gmonospace: 0xFF47, + gohiragana: 0x3054, + gokatakana: 0x30B4, + gparen: 0x24A2, + gpasquare: 0x33AC, + gradient: 0x2207, + grave: 0x0060, + gravebelowcmb: 0x0316, + gravecmb: 0x0300, + gravecomb: 0x0300, + gravedeva: 0x0953, + gravelowmod: 0x02CE, + gravemonospace: 0xFF40, + gravetonecmb: 0x0340, + greater: 0x003E, + greaterequal: 0x2265, + greaterequalorless: 0x22DB, + greatermonospace: 0xFF1E, + greaterorequivalent: 0x2273, + greaterorless: 0x2277, + greateroverequal: 0x2267, + greatersmall: 0xFE65, + gscript: 0x0261, + gstroke: 0x01E5, + guhiragana: 0x3050, + guillemotleft: 0x00AB, + guillemotright: 0x00BB, + guilsinglleft: 0x2039, + guilsinglright: 0x203A, + gukatakana: 0x30B0, + guramusquare: 0x3318, + gysquare: 0x33C9, + h: 0x0068, + haabkhasiancyrillic: 0x04A9, + haaltonearabic: 0x06C1, + habengali: 0x09B9, + hadescendercyrillic: 0x04B3, + hadeva: 0x0939, + hagujarati: 0x0AB9, + hagurmukhi: 0x0A39, + haharabic: 0x062D, + hahfinalarabic: 0xFEA2, + hahinitialarabic: 0xFEA3, + hahiragana: 0x306F, + hahmedialarabic: 0xFEA4, + haitusquare: 0x332A, + hakatakana: 0x30CF, + hakatakanahalfwidth: 0xFF8A, + halantgurmukhi: 0x0A4D, + hamzaarabic: 0x0621, + hamzalowarabic: 0x0621, + hangulfiller: 0x3164, + hardsigncyrillic: 0x044A, + harpoonleftbarbup: 0x21BC, + harpoonrightbarbup: 0x21C0, + hasquare: 0x33CA, + hatafpatah: 0x05B2, + hatafpatah16: 0x05B2, + hatafpatah23: 0x05B2, + hatafpatah2f: 0x05B2, + hatafpatahhebrew: 0x05B2, + hatafpatahnarrowhebrew: 0x05B2, + hatafpatahquarterhebrew: 0x05B2, + hatafpatahwidehebrew: 0x05B2, + hatafqamats: 0x05B3, + hatafqamats1b: 0x05B3, + hatafqamats28: 0x05B3, + hatafqamats34: 0x05B3, + hatafqamatshebrew: 0x05B3, + hatafqamatsnarrowhebrew: 0x05B3, + hatafqamatsquarterhebrew: 0x05B3, + hatafqamatswidehebrew: 0x05B3, + hatafsegol: 0x05B1, + hatafsegol17: 0x05B1, + hatafsegol24: 0x05B1, + hatafsegol30: 0x05B1, + hatafsegolhebrew: 0x05B1, + hatafsegolnarrowhebrew: 0x05B1, + hatafsegolquarterhebrew: 0x05B1, + hatafsegolwidehebrew: 0x05B1, + hbar: 0x0127, + hbopomofo: 0x310F, + hbrevebelow: 0x1E2B, + hcedilla: 0x1E29, + hcircle: 0x24D7, + hcircumflex: 0x0125, + hdieresis: 0x1E27, + hdotaccent: 0x1E23, + hdotbelow: 0x1E25, + he: 0x05D4, + heart: 0x2665, + heartsuitblack: 0x2665, + heartsuitwhite: 0x2661, + hedagesh: 0xFB34, + hedageshhebrew: 0xFB34, + hehaltonearabic: 0x06C1, + heharabic: 0x0647, + hehebrew: 0x05D4, + hehfinalaltonearabic: 0xFBA7, + hehfinalalttwoarabic: 0xFEEA, + hehfinalarabic: 0xFEEA, + hehhamzaabovefinalarabic: 0xFBA5, + hehhamzaaboveisolatedarabic: 0xFBA4, + hehinitialaltonearabic: 0xFBA8, + hehinitialarabic: 0xFEEB, + hehiragana: 0x3078, + hehmedialaltonearabic: 0xFBA9, + hehmedialarabic: 0xFEEC, + heiseierasquare: 0x337B, + hekatakana: 0x30D8, + hekatakanahalfwidth: 0xFF8D, + hekutaarusquare: 0x3336, + henghook: 0x0267, + herutusquare: 0x3339, + het: 0x05D7, + hethebrew: 0x05D7, + hhook: 0x0266, + hhooksuperior: 0x02B1, + hieuhacirclekorean: 0x327B, + hieuhaparenkorean: 0x321B, + hieuhcirclekorean: 0x326D, + hieuhkorean: 0x314E, + hieuhparenkorean: 0x320D, + hihiragana: 0x3072, + hikatakana: 0x30D2, + hikatakanahalfwidth: 0xFF8B, + hiriq: 0x05B4, + hiriq14: 0x05B4, + hiriq21: 0x05B4, + hiriq2d: 0x05B4, + hiriqhebrew: 0x05B4, + hiriqnarrowhebrew: 0x05B4, + hiriqquarterhebrew: 0x05B4, + hiriqwidehebrew: 0x05B4, + hlinebelow: 0x1E96, + hmonospace: 0xFF48, + hoarmenian: 0x0570, + hohipthai: 0x0E2B, + hohiragana: 0x307B, + hokatakana: 0x30DB, + hokatakanahalfwidth: 0xFF8E, + holam: 0x05B9, + holam19: 0x05B9, + holam26: 0x05B9, + holam32: 0x05B9, + holamhebrew: 0x05B9, + holamnarrowhebrew: 0x05B9, + holamquarterhebrew: 0x05B9, + holamwidehebrew: 0x05B9, + honokhukthai: 0x0E2E, + hookabovecomb: 0x0309, + hookcmb: 0x0309, + hookpalatalizedbelowcmb: 0x0321, + hookretroflexbelowcmb: 0x0322, + hoonsquare: 0x3342, + horicoptic: 0x03E9, + horizontalbar: 0x2015, + horncmb: 0x031B, + hotsprings: 0x2668, + house: 0x2302, + hparen: 0x24A3, + hsuperior: 0x02B0, + hturned: 0x0265, + huhiragana: 0x3075, + huiitosquare: 0x3333, + hukatakana: 0x30D5, + hukatakanahalfwidth: 0xFF8C, + hungarumlaut: 0x02DD, + hungarumlautcmb: 0x030B, + hv: 0x0195, + hyphen: 0x002D, + hypheninferior: 0xF6E5, + hyphenmonospace: 0xFF0D, + hyphensmall: 0xFE63, + hyphensuperior: 0xF6E6, + hyphentwo: 0x2010, + i: 0x0069, + iacute: 0x00ED, + iacyrillic: 0x044F, + ibengali: 0x0987, + ibopomofo: 0x3127, + ibreve: 0x012D, + icaron: 0x01D0, + icircle: 0x24D8, + icircumflex: 0x00EE, + icyrillic: 0x0456, + idblgrave: 0x0209, + ideographearthcircle: 0x328F, + ideographfirecircle: 0x328B, + ideographicallianceparen: 0x323F, + ideographiccallparen: 0x323A, + ideographiccentrecircle: 0x32A5, + ideographicclose: 0x3006, + ideographiccomma: 0x3001, + ideographiccommaleft: 0xFF64, + ideographiccongratulationparen: 0x3237, + ideographiccorrectcircle: 0x32A3, + ideographicearthparen: 0x322F, + ideographicenterpriseparen: 0x323D, + ideographicexcellentcircle: 0x329D, + ideographicfestivalparen: 0x3240, + ideographicfinancialcircle: 0x3296, + ideographicfinancialparen: 0x3236, + ideographicfireparen: 0x322B, + ideographichaveparen: 0x3232, + ideographichighcircle: 0x32A4, + ideographiciterationmark: 0x3005, + ideographiclaborcircle: 0x3298, + ideographiclaborparen: 0x3238, + ideographicleftcircle: 0x32A7, + ideographiclowcircle: 0x32A6, + ideographicmedicinecircle: 0x32A9, + ideographicmetalparen: 0x322E, + ideographicmoonparen: 0x322A, + ideographicnameparen: 0x3234, + ideographicperiod: 0x3002, + ideographicprintcircle: 0x329E, + ideographicreachparen: 0x3243, + ideographicrepresentparen: 0x3239, + ideographicresourceparen: 0x323E, + ideographicrightcircle: 0x32A8, + ideographicsecretcircle: 0x3299, + ideographicselfparen: 0x3242, + ideographicsocietyparen: 0x3233, + ideographicspace: 0x3000, + ideographicspecialparen: 0x3235, + ideographicstockparen: 0x3231, + ideographicstudyparen: 0x323B, + ideographicsunparen: 0x3230, + ideographicsuperviseparen: 0x323C, + ideographicwaterparen: 0x322C, + ideographicwoodparen: 0x322D, + ideographiczero: 0x3007, + ideographmetalcircle: 0x328E, + ideographmooncircle: 0x328A, + ideographnamecircle: 0x3294, + ideographsuncircle: 0x3290, + ideographwatercircle: 0x328C, + ideographwoodcircle: 0x328D, + ideva: 0x0907, + idieresis: 0x00EF, + idieresisacute: 0x1E2F, + idieresiscyrillic: 0x04E5, + idotbelow: 0x1ECB, + iebrevecyrillic: 0x04D7, + iecyrillic: 0x0435, + ieungacirclekorean: 0x3275, + ieungaparenkorean: 0x3215, + ieungcirclekorean: 0x3267, + ieungkorean: 0x3147, + ieungparenkorean: 0x3207, + igrave: 0x00EC, + igujarati: 0x0A87, + igurmukhi: 0x0A07, + ihiragana: 0x3044, + ihookabove: 0x1EC9, + iibengali: 0x0988, + iicyrillic: 0x0438, + iideva: 0x0908, + iigujarati: 0x0A88, + iigurmukhi: 0x0A08, + iimatragurmukhi: 0x0A40, + iinvertedbreve: 0x020B, + iishortcyrillic: 0x0439, + iivowelsignbengali: 0x09C0, + iivowelsigndeva: 0x0940, + iivowelsigngujarati: 0x0AC0, + ij: 0x0133, + ikatakana: 0x30A4, + ikatakanahalfwidth: 0xFF72, + ikorean: 0x3163, + ilde: 0x02DC, + iluyhebrew: 0x05AC, + imacron: 0x012B, + imacroncyrillic: 0x04E3, + imageorapproximatelyequal: 0x2253, + imatragurmukhi: 0x0A3F, + imonospace: 0xFF49, + increment: 0x2206, + infinity: 0x221E, + iniarmenian: 0x056B, + integral: 0x222B, + integralbottom: 0x2321, + integralbt: 0x2321, + integralex: 0xF8F5, + integraltop: 0x2320, + integraltp: 0x2320, + intersection: 0x2229, + intisquare: 0x3305, + invbullet: 0x25D8, + invcircle: 0x25D9, + invsmileface: 0x263B, + iocyrillic: 0x0451, + iogonek: 0x012F, + iota: 0x03B9, + iotadieresis: 0x03CA, + iotadieresistonos: 0x0390, + iotalatin: 0x0269, + iotatonos: 0x03AF, + iparen: 0x24A4, + irigurmukhi: 0x0A72, + ismallhiragana: 0x3043, + ismallkatakana: 0x30A3, + ismallkatakanahalfwidth: 0xFF68, + issharbengali: 0x09FA, + istroke: 0x0268, + isuperior: 0xF6ED, + iterationhiragana: 0x309D, + iterationkatakana: 0x30FD, + itilde: 0x0129, + itildebelow: 0x1E2D, + iubopomofo: 0x3129, + iucyrillic: 0x044E, + ivowelsignbengali: 0x09BF, + ivowelsigndeva: 0x093F, + ivowelsigngujarati: 0x0ABF, + izhitsacyrillic: 0x0475, + izhitsadblgravecyrillic: 0x0477, + j: 0x006A, + jaarmenian: 0x0571, + jabengali: 0x099C, + jadeva: 0x091C, + jagujarati: 0x0A9C, + jagurmukhi: 0x0A1C, + jbopomofo: 0x3110, + jcaron: 0x01F0, + jcircle: 0x24D9, + jcircumflex: 0x0135, + jcrossedtail: 0x029D, + jdotlessstroke: 0x025F, + jecyrillic: 0x0458, + jeemarabic: 0x062C, + jeemfinalarabic: 0xFE9E, + jeeminitialarabic: 0xFE9F, + jeemmedialarabic: 0xFEA0, + jeharabic: 0x0698, + jehfinalarabic: 0xFB8B, + jhabengali: 0x099D, + jhadeva: 0x091D, + jhagujarati: 0x0A9D, + jhagurmukhi: 0x0A1D, + jheharmenian: 0x057B, + jis: 0x3004, + jmonospace: 0xFF4A, + jparen: 0x24A5, + jsuperior: 0x02B2, + k: 0x006B, + kabashkircyrillic: 0x04A1, + kabengali: 0x0995, + kacute: 0x1E31, + kacyrillic: 0x043A, + kadescendercyrillic: 0x049B, + kadeva: 0x0915, + kaf: 0x05DB, + kafarabic: 0x0643, + kafdagesh: 0xFB3B, + kafdageshhebrew: 0xFB3B, + kaffinalarabic: 0xFEDA, + kafhebrew: 0x05DB, + kafinitialarabic: 0xFEDB, + kafmedialarabic: 0xFEDC, + kafrafehebrew: 0xFB4D, + kagujarati: 0x0A95, + kagurmukhi: 0x0A15, + kahiragana: 0x304B, + kahookcyrillic: 0x04C4, + kakatakana: 0x30AB, + kakatakanahalfwidth: 0xFF76, + kappa: 0x03BA, + kappasymbolgreek: 0x03F0, + kapyeounmieumkorean: 0x3171, + kapyeounphieuphkorean: 0x3184, + kapyeounpieupkorean: 0x3178, + kapyeounssangpieupkorean: 0x3179, + karoriisquare: 0x330D, + kashidaautoarabic: 0x0640, + kashidaautonosidebearingarabic: 0x0640, + kasmallkatakana: 0x30F5, + kasquare: 0x3384, + kasraarabic: 0x0650, + kasratanarabic: 0x064D, + kastrokecyrillic: 0x049F, + katahiraprolongmarkhalfwidth: 0xFF70, + kaverticalstrokecyrillic: 0x049D, + kbopomofo: 0x310E, + kcalsquare: 0x3389, + kcaron: 0x01E9, + kcedilla: 0x0137, + kcircle: 0x24DA, + kcommaaccent: 0x0137, + kdotbelow: 0x1E33, + keharmenian: 0x0584, + kehiragana: 0x3051, + kekatakana: 0x30B1, + kekatakanahalfwidth: 0xFF79, + kenarmenian: 0x056F, + kesmallkatakana: 0x30F6, + kgreenlandic: 0x0138, + khabengali: 0x0996, + khacyrillic: 0x0445, + khadeva: 0x0916, + khagujarati: 0x0A96, + khagurmukhi: 0x0A16, + khaharabic: 0x062E, + khahfinalarabic: 0xFEA6, + khahinitialarabic: 0xFEA7, + khahmedialarabic: 0xFEA8, + kheicoptic: 0x03E7, + khhadeva: 0x0959, + khhagurmukhi: 0x0A59, + khieukhacirclekorean: 0x3278, + khieukhaparenkorean: 0x3218, + khieukhcirclekorean: 0x326A, + khieukhkorean: 0x314B, + khieukhparenkorean: 0x320A, + khokhaithai: 0x0E02, + khokhonthai: 0x0E05, + khokhuatthai: 0x0E03, + khokhwaithai: 0x0E04, + khomutthai: 0x0E5B, + khook: 0x0199, + khorakhangthai: 0x0E06, + khzsquare: 0x3391, + kihiragana: 0x304D, + kikatakana: 0x30AD, + kikatakanahalfwidth: 0xFF77, + kiroguramusquare: 0x3315, + kiromeetorusquare: 0x3316, + kirosquare: 0x3314, + kiyeokacirclekorean: 0x326E, + kiyeokaparenkorean: 0x320E, + kiyeokcirclekorean: 0x3260, + kiyeokkorean: 0x3131, + kiyeokparenkorean: 0x3200, + kiyeoksioskorean: 0x3133, + kjecyrillic: 0x045C, + klinebelow: 0x1E35, + klsquare: 0x3398, + kmcubedsquare: 0x33A6, + kmonospace: 0xFF4B, + kmsquaredsquare: 0x33A2, + kohiragana: 0x3053, + kohmsquare: 0x33C0, + kokaithai: 0x0E01, + kokatakana: 0x30B3, + kokatakanahalfwidth: 0xFF7A, + kooposquare: 0x331E, + koppacyrillic: 0x0481, + koreanstandardsymbol: 0x327F, + koroniscmb: 0x0343, + kparen: 0x24A6, + kpasquare: 0x33AA, + ksicyrillic: 0x046F, + ktsquare: 0x33CF, + kturned: 0x029E, + kuhiragana: 0x304F, + kukatakana: 0x30AF, + kukatakanahalfwidth: 0xFF78, + kvsquare: 0x33B8, + kwsquare: 0x33BE, + l: 0x006C, + labengali: 0x09B2, + lacute: 0x013A, + ladeva: 0x0932, + lagujarati: 0x0AB2, + lagurmukhi: 0x0A32, + lakkhangyaothai: 0x0E45, + lamaleffinalarabic: 0xFEFC, + lamalefhamzaabovefinalarabic: 0xFEF8, + lamalefhamzaaboveisolatedarabic: 0xFEF7, + lamalefhamzabelowfinalarabic: 0xFEFA, + lamalefhamzabelowisolatedarabic: 0xFEF9, + lamalefisolatedarabic: 0xFEFB, + lamalefmaddaabovefinalarabic: 0xFEF6, + lamalefmaddaaboveisolatedarabic: 0xFEF5, + lamarabic: 0x0644, + lambda: 0x03BB, + lambdastroke: 0x019B, + lamed: 0x05DC, + lameddagesh: 0xFB3C, + lameddageshhebrew: 0xFB3C, + lamedhebrew: 0x05DC, + lamfinalarabic: 0xFEDE, + lamhahinitialarabic: 0xFCCA, + laminitialarabic: 0xFEDF, + lamjeeminitialarabic: 0xFCC9, + lamkhahinitialarabic: 0xFCCB, + lamlamhehisolatedarabic: 0xFDF2, + lammedialarabic: 0xFEE0, + lammeemhahinitialarabic: 0xFD88, + lammeeminitialarabic: 0xFCCC, + largecircle: 0x25EF, + lbar: 0x019A, + lbelt: 0x026C, + lbopomofo: 0x310C, + lcaron: 0x013E, + lcedilla: 0x013C, + lcircle: 0x24DB, + lcircumflexbelow: 0x1E3D, + lcommaaccent: 0x013C, + ldot: 0x0140, + ldotaccent: 0x0140, + ldotbelow: 0x1E37, + ldotbelowmacron: 0x1E39, + leftangleabovecmb: 0x031A, + lefttackbelowcmb: 0x0318, + less: 0x003C, + lessequal: 0x2264, + lessequalorgreater: 0x22DA, + lessmonospace: 0xFF1C, + lessorequivalent: 0x2272, + lessorgreater: 0x2276, + lessoverequal: 0x2266, + lesssmall: 0xFE64, + lezh: 0x026E, + lfblock: 0x258C, + lhookretroflex: 0x026D, + lira: 0x20A4, + liwnarmenian: 0x056C, + lj: 0x01C9, + ljecyrillic: 0x0459, + ll: 0xF6C0, + lladeva: 0x0933, + llagujarati: 0x0AB3, + llinebelow: 0x1E3B, + llladeva: 0x0934, + llvocalicbengali: 0x09E1, + llvocalicdeva: 0x0961, + llvocalicvowelsignbengali: 0x09E3, + llvocalicvowelsigndeva: 0x0963, + lmiddletilde: 0x026B, + lmonospace: 0xFF4C, + lmsquare: 0x33D0, + lochulathai: 0x0E2C, + logicaland: 0x2227, + logicalnot: 0x00AC, + logicalnotreversed: 0x2310, + logicalor: 0x2228, + lolingthai: 0x0E25, + longs: 0x017F, + lowlinecenterline: 0xFE4E, + lowlinecmb: 0x0332, + lowlinedashed: 0xFE4D, + lozenge: 0x25CA, + lparen: 0x24A7, + lslash: 0x0142, + lsquare: 0x2113, + lsuperior: 0xF6EE, + ltshade: 0x2591, + luthai: 0x0E26, + lvocalicbengali: 0x098C, + lvocalicdeva: 0x090C, + lvocalicvowelsignbengali: 0x09E2, + lvocalicvowelsigndeva: 0x0962, + lxsquare: 0x33D3, + m: 0x006D, + mabengali: 0x09AE, + macron: 0x00AF, + macronbelowcmb: 0x0331, + macroncmb: 0x0304, + macronlowmod: 0x02CD, + macronmonospace: 0xFFE3, + macute: 0x1E3F, + madeva: 0x092E, + magujarati: 0x0AAE, + magurmukhi: 0x0A2E, + mahapakhhebrew: 0x05A4, + mahapakhlefthebrew: 0x05A4, + mahiragana: 0x307E, + maichattawalowleftthai: 0xF895, + maichattawalowrightthai: 0xF894, + maichattawathai: 0x0E4B, + maichattawaupperleftthai: 0xF893, + maieklowleftthai: 0xF88C, + maieklowrightthai: 0xF88B, + maiekthai: 0x0E48, + maiekupperleftthai: 0xF88A, + maihanakatleftthai: 0xF884, + maihanakatthai: 0x0E31, + maitaikhuleftthai: 0xF889, + maitaikhuthai: 0x0E47, + maitholowleftthai: 0xF88F, + maitholowrightthai: 0xF88E, + maithothai: 0x0E49, + maithoupperleftthai: 0xF88D, + maitrilowleftthai: 0xF892, + maitrilowrightthai: 0xF891, + maitrithai: 0x0E4A, + maitriupperleftthai: 0xF890, + maiyamokthai: 0x0E46, + makatakana: 0x30DE, + makatakanahalfwidth: 0xFF8F, + male: 0x2642, + mansyonsquare: 0x3347, + maqafhebrew: 0x05BE, + mars: 0x2642, + masoracirclehebrew: 0x05AF, + masquare: 0x3383, + mbopomofo: 0x3107, + mbsquare: 0x33D4, + mcircle: 0x24DC, + mcubedsquare: 0x33A5, + mdotaccent: 0x1E41, + mdotbelow: 0x1E43, + meemarabic: 0x0645, + meemfinalarabic: 0xFEE2, + meeminitialarabic: 0xFEE3, + meemmedialarabic: 0xFEE4, + meemmeeminitialarabic: 0xFCD1, + meemmeemisolatedarabic: 0xFC48, + meetorusquare: 0x334D, + mehiragana: 0x3081, + meizierasquare: 0x337E, + mekatakana: 0x30E1, + mekatakanahalfwidth: 0xFF92, + mem: 0x05DE, + memdagesh: 0xFB3E, + memdageshhebrew: 0xFB3E, + memhebrew: 0x05DE, + menarmenian: 0x0574, + merkhahebrew: 0x05A5, + merkhakefulahebrew: 0x05A6, + merkhakefulalefthebrew: 0x05A6, + merkhalefthebrew: 0x05A5, + mhook: 0x0271, + mhzsquare: 0x3392, + middledotkatakanahalfwidth: 0xFF65, + middot: 0x00B7, + mieumacirclekorean: 0x3272, + mieumaparenkorean: 0x3212, + mieumcirclekorean: 0x3264, + mieumkorean: 0x3141, + mieumpansioskorean: 0x3170, + mieumparenkorean: 0x3204, + mieumpieupkorean: 0x316E, + mieumsioskorean: 0x316F, + mihiragana: 0x307F, + mikatakana: 0x30DF, + mikatakanahalfwidth: 0xFF90, + minus: 0x2212, + minusbelowcmb: 0x0320, + minuscircle: 0x2296, + minusmod: 0x02D7, + minusplus: 0x2213, + minute: 0x2032, + miribaarusquare: 0x334A, + mirisquare: 0x3349, + mlonglegturned: 0x0270, + mlsquare: 0x3396, + mmcubedsquare: 0x33A3, + mmonospace: 0xFF4D, + mmsquaredsquare: 0x339F, + mohiragana: 0x3082, + mohmsquare: 0x33C1, + mokatakana: 0x30E2, + mokatakanahalfwidth: 0xFF93, + molsquare: 0x33D6, + momathai: 0x0E21, + moverssquare: 0x33A7, + moverssquaredsquare: 0x33A8, + mparen: 0x24A8, + mpasquare: 0x33AB, + mssquare: 0x33B3, + msuperior: 0xF6EF, + mturned: 0x026F, + mu: 0x00B5, + mu1: 0x00B5, + muasquare: 0x3382, + muchgreater: 0x226B, + muchless: 0x226A, + mufsquare: 0x338C, + mugreek: 0x03BC, + mugsquare: 0x338D, + muhiragana: 0x3080, + mukatakana: 0x30E0, + mukatakanahalfwidth: 0xFF91, + mulsquare: 0x3395, + multiply: 0x00D7, + mumsquare: 0x339B, + munahhebrew: 0x05A3, + munahlefthebrew: 0x05A3, + musicalnote: 0x266A, + musicalnotedbl: 0x266B, + musicflatsign: 0x266D, + musicsharpsign: 0x266F, + mussquare: 0x33B2, + muvsquare: 0x33B6, + muwsquare: 0x33BC, + mvmegasquare: 0x33B9, + mvsquare: 0x33B7, + mwmegasquare: 0x33BF, + mwsquare: 0x33BD, + n: 0x006E, + nabengali: 0x09A8, + nabla: 0x2207, + nacute: 0x0144, + nadeva: 0x0928, + nagujarati: 0x0AA8, + nagurmukhi: 0x0A28, + nahiragana: 0x306A, + nakatakana: 0x30CA, + nakatakanahalfwidth: 0xFF85, + napostrophe: 0x0149, + nasquare: 0x3381, + nbopomofo: 0x310B, + nbspace: 0x00A0, + ncaron: 0x0148, + ncedilla: 0x0146, + ncircle: 0x24DD, + ncircumflexbelow: 0x1E4B, + ncommaaccent: 0x0146, + ndotaccent: 0x1E45, + ndotbelow: 0x1E47, + nehiragana: 0x306D, + nekatakana: 0x30CD, + nekatakanahalfwidth: 0xFF88, + newsheqelsign: 0x20AA, + nfsquare: 0x338B, + ngabengali: 0x0999, + ngadeva: 0x0919, + ngagujarati: 0x0A99, + ngagurmukhi: 0x0A19, + ngonguthai: 0x0E07, + nhiragana: 0x3093, + nhookleft: 0x0272, + nhookretroflex: 0x0273, + nieunacirclekorean: 0x326F, + nieunaparenkorean: 0x320F, + nieuncieuckorean: 0x3135, + nieuncirclekorean: 0x3261, + nieunhieuhkorean: 0x3136, + nieunkorean: 0x3134, + nieunpansioskorean: 0x3168, + nieunparenkorean: 0x3201, + nieunsioskorean: 0x3167, + nieuntikeutkorean: 0x3166, + nihiragana: 0x306B, + nikatakana: 0x30CB, + nikatakanahalfwidth: 0xFF86, + nikhahitleftthai: 0xF899, + nikhahitthai: 0x0E4D, + nine: 0x0039, + ninearabic: 0x0669, + ninebengali: 0x09EF, + ninecircle: 0x2468, + ninecircleinversesansserif: 0x2792, + ninedeva: 0x096F, + ninegujarati: 0x0AEF, + ninegurmukhi: 0x0A6F, + ninehackarabic: 0x0669, + ninehangzhou: 0x3029, + nineideographicparen: 0x3228, + nineinferior: 0x2089, + ninemonospace: 0xFF19, + nineoldstyle: 0xF739, + nineparen: 0x247C, + nineperiod: 0x2490, + ninepersian: 0x06F9, + nineroman: 0x2178, + ninesuperior: 0x2079, + nineteencircle: 0x2472, + nineteenparen: 0x2486, + nineteenperiod: 0x249A, + ninethai: 0x0E59, + nj: 0x01CC, + njecyrillic: 0x045A, + nkatakana: 0x30F3, + nkatakanahalfwidth: 0xFF9D, + nlegrightlong: 0x019E, + nlinebelow: 0x1E49, + nmonospace: 0xFF4E, + nmsquare: 0x339A, + nnabengali: 0x09A3, + nnadeva: 0x0923, + nnagujarati: 0x0AA3, + nnagurmukhi: 0x0A23, + nnnadeva: 0x0929, + nohiragana: 0x306E, + nokatakana: 0x30CE, + nokatakanahalfwidth: 0xFF89, + nonbreakingspace: 0x00A0, + nonenthai: 0x0E13, + nonuthai: 0x0E19, + noonarabic: 0x0646, + noonfinalarabic: 0xFEE6, + noonghunnaarabic: 0x06BA, + noonghunnafinalarabic: 0xFB9F, + nooninitialarabic: 0xFEE7, + noonjeeminitialarabic: 0xFCD2, + noonjeemisolatedarabic: 0xFC4B, + noonmedialarabic: 0xFEE8, + noonmeeminitialarabic: 0xFCD5, + noonmeemisolatedarabic: 0xFC4E, + noonnoonfinalarabic: 0xFC8D, + notcontains: 0x220C, + notelement: 0x2209, + notelementof: 0x2209, + notequal: 0x2260, + notgreater: 0x226F, + notgreaternorequal: 0x2271, + notgreaternorless: 0x2279, + notidentical: 0x2262, + notless: 0x226E, + notlessnorequal: 0x2270, + notparallel: 0x2226, + notprecedes: 0x2280, + notsubset: 0x2284, + notsucceeds: 0x2281, + notsuperset: 0x2285, + nowarmenian: 0x0576, + nparen: 0x24A9, + nssquare: 0x33B1, + nsuperior: 0x207F, + ntilde: 0x00F1, + nu: 0x03BD, + nuhiragana: 0x306C, + nukatakana: 0x30CC, + nukatakanahalfwidth: 0xFF87, + nuktabengali: 0x09BC, + nuktadeva: 0x093C, + nuktagujarati: 0x0ABC, + nuktagurmukhi: 0x0A3C, + numbersign: 0x0023, + numbersignmonospace: 0xFF03, + numbersignsmall: 0xFE5F, + numeralsigngreek: 0x0374, + numeralsignlowergreek: 0x0375, + numero: 0x2116, + nun: 0x05E0, + nundagesh: 0xFB40, + nundageshhebrew: 0xFB40, + nunhebrew: 0x05E0, + nvsquare: 0x33B5, + nwsquare: 0x33BB, + nyabengali: 0x099E, + nyadeva: 0x091E, + nyagujarati: 0x0A9E, + nyagurmukhi: 0x0A1E, + o: 0x006F, + oacute: 0x00F3, + oangthai: 0x0E2D, + obarred: 0x0275, + obarredcyrillic: 0x04E9, + obarreddieresiscyrillic: 0x04EB, + obengali: 0x0993, + obopomofo: 0x311B, + obreve: 0x014F, + ocandradeva: 0x0911, + ocandragujarati: 0x0A91, + ocandravowelsigndeva: 0x0949, + ocandravowelsigngujarati: 0x0AC9, + ocaron: 0x01D2, + ocircle: 0x24DE, + ocircumflex: 0x00F4, + ocircumflexacute: 0x1ED1, + ocircumflexdotbelow: 0x1ED9, + ocircumflexgrave: 0x1ED3, + ocircumflexhookabove: 0x1ED5, + ocircumflextilde: 0x1ED7, + ocyrillic: 0x043E, + odblacute: 0x0151, + odblgrave: 0x020D, + odeva: 0x0913, + odieresis: 0x00F6, + odieresiscyrillic: 0x04E7, + odotbelow: 0x1ECD, + oe: 0x0153, + oekorean: 0x315A, + ogonek: 0x02DB, + ogonekcmb: 0x0328, + ograve: 0x00F2, + ogujarati: 0x0A93, + oharmenian: 0x0585, + ohiragana: 0x304A, + ohookabove: 0x1ECF, + ohorn: 0x01A1, + ohornacute: 0x1EDB, + ohorndotbelow: 0x1EE3, + ohorngrave: 0x1EDD, + ohornhookabove: 0x1EDF, + ohorntilde: 0x1EE1, + ohungarumlaut: 0x0151, + oi: 0x01A3, + oinvertedbreve: 0x020F, + okatakana: 0x30AA, + okatakanahalfwidth: 0xFF75, + okorean: 0x3157, + olehebrew: 0x05AB, + omacron: 0x014D, + omacronacute: 0x1E53, + omacrongrave: 0x1E51, + omdeva: 0x0950, + omega: 0x03C9, + omega1: 0x03D6, + omegacyrillic: 0x0461, + omegalatinclosed: 0x0277, + omegaroundcyrillic: 0x047B, + omegatitlocyrillic: 0x047D, + omegatonos: 0x03CE, + omgujarati: 0x0AD0, + omicron: 0x03BF, + omicrontonos: 0x03CC, + omonospace: 0xFF4F, + one: 0x0031, + onearabic: 0x0661, + onebengali: 0x09E7, + onecircle: 0x2460, + onecircleinversesansserif: 0x278A, + onedeva: 0x0967, + onedotenleader: 0x2024, + oneeighth: 0x215B, + onefitted: 0xF6DC, + onegujarati: 0x0AE7, + onegurmukhi: 0x0A67, + onehackarabic: 0x0661, + onehalf: 0x00BD, + onehangzhou: 0x3021, + oneideographicparen: 0x3220, + oneinferior: 0x2081, + onemonospace: 0xFF11, + onenumeratorbengali: 0x09F4, + oneoldstyle: 0xF731, + oneparen: 0x2474, + oneperiod: 0x2488, + onepersian: 0x06F1, + onequarter: 0x00BC, + oneroman: 0x2170, + onesuperior: 0x00B9, + onethai: 0x0E51, + onethird: 0x2153, + oogonek: 0x01EB, + oogonekmacron: 0x01ED, + oogurmukhi: 0x0A13, + oomatragurmukhi: 0x0A4B, + oopen: 0x0254, + oparen: 0x24AA, + openbullet: 0x25E6, + option: 0x2325, + ordfeminine: 0x00AA, + ordmasculine: 0x00BA, + orthogonal: 0x221F, + oshortdeva: 0x0912, + oshortvowelsigndeva: 0x094A, + oslash: 0x00F8, + oslashacute: 0x01FF, + osmallhiragana: 0x3049, + osmallkatakana: 0x30A9, + osmallkatakanahalfwidth: 0xFF6B, + ostrokeacute: 0x01FF, + osuperior: 0xF6F0, + otcyrillic: 0x047F, + otilde: 0x00F5, + otildeacute: 0x1E4D, + otildedieresis: 0x1E4F, + oubopomofo: 0x3121, + overline: 0x203E, + overlinecenterline: 0xFE4A, + overlinecmb: 0x0305, + overlinedashed: 0xFE49, + overlinedblwavy: 0xFE4C, + overlinewavy: 0xFE4B, + overscore: 0x00AF, + ovowelsignbengali: 0x09CB, + ovowelsigndeva: 0x094B, + ovowelsigngujarati: 0x0ACB, + p: 0x0070, + paampssquare: 0x3380, + paasentosquare: 0x332B, + pabengali: 0x09AA, + pacute: 0x1E55, + padeva: 0x092A, + pagedown: 0x21DF, + pageup: 0x21DE, + pagujarati: 0x0AAA, + pagurmukhi: 0x0A2A, + pahiragana: 0x3071, + paiyannoithai: 0x0E2F, + pakatakana: 0x30D1, + palatalizationcyrilliccmb: 0x0484, + palochkacyrillic: 0x04C0, + pansioskorean: 0x317F, + paragraph: 0x00B6, + parallel: 0x2225, + parenleft: 0x0028, + parenleftaltonearabic: 0xFD3E, + parenleftbt: 0xF8ED, + parenleftex: 0xF8EC, + parenleftinferior: 0x208D, + parenleftmonospace: 0xFF08, + parenleftsmall: 0xFE59, + parenleftsuperior: 0x207D, + parenlefttp: 0xF8EB, + parenleftvertical: 0xFE35, + parenright: 0x0029, + parenrightaltonearabic: 0xFD3F, + parenrightbt: 0xF8F8, + parenrightex: 0xF8F7, + parenrightinferior: 0x208E, + parenrightmonospace: 0xFF09, + parenrightsmall: 0xFE5A, + parenrightsuperior: 0x207E, + parenrighttp: 0xF8F6, + parenrightvertical: 0xFE36, + partialdiff: 0x2202, + paseqhebrew: 0x05C0, + pashtahebrew: 0x0599, + pasquare: 0x33A9, + patah: 0x05B7, + patah11: 0x05B7, + patah1d: 0x05B7, + patah2a: 0x05B7, + patahhebrew: 0x05B7, + patahnarrowhebrew: 0x05B7, + patahquarterhebrew: 0x05B7, + patahwidehebrew: 0x05B7, + pazerhebrew: 0x05A1, + pbopomofo: 0x3106, + pcircle: 0x24DF, + pdotaccent: 0x1E57, + pe: 0x05E4, + pecyrillic: 0x043F, + pedagesh: 0xFB44, + pedageshhebrew: 0xFB44, + peezisquare: 0x333B, + pefinaldageshhebrew: 0xFB43, + peharabic: 0x067E, + peharmenian: 0x057A, + pehebrew: 0x05E4, + pehfinalarabic: 0xFB57, + pehinitialarabic: 0xFB58, + pehiragana: 0x307A, + pehmedialarabic: 0xFB59, + pekatakana: 0x30DA, + pemiddlehookcyrillic: 0x04A7, + perafehebrew: 0xFB4E, + percent: 0x0025, + percentarabic: 0x066A, + percentmonospace: 0xFF05, + percentsmall: 0xFE6A, + period: 0x002E, + periodarmenian: 0x0589, + periodcentered: 0x00B7, + periodhalfwidth: 0xFF61, + periodinferior: 0xF6E7, + periodmonospace: 0xFF0E, + periodsmall: 0xFE52, + periodsuperior: 0xF6E8, + perispomenigreekcmb: 0x0342, + perpendicular: 0x22A5, + perthousand: 0x2030, + peseta: 0x20A7, + pfsquare: 0x338A, + phabengali: 0x09AB, + phadeva: 0x092B, + phagujarati: 0x0AAB, + phagurmukhi: 0x0A2B, + phi: 0x03C6, + phi1: 0x03D5, + phieuphacirclekorean: 0x327A, + phieuphaparenkorean: 0x321A, + phieuphcirclekorean: 0x326C, + phieuphkorean: 0x314D, + phieuphparenkorean: 0x320C, + philatin: 0x0278, + phinthuthai: 0x0E3A, + phisymbolgreek: 0x03D5, + phook: 0x01A5, + phophanthai: 0x0E1E, + phophungthai: 0x0E1C, + phosamphaothai: 0x0E20, + pi: 0x03C0, + pieupacirclekorean: 0x3273, + pieupaparenkorean: 0x3213, + pieupcieuckorean: 0x3176, + pieupcirclekorean: 0x3265, + pieupkiyeokkorean: 0x3172, + pieupkorean: 0x3142, + pieupparenkorean: 0x3205, + pieupsioskiyeokkorean: 0x3174, + pieupsioskorean: 0x3144, + pieupsiostikeutkorean: 0x3175, + pieupthieuthkorean: 0x3177, + pieuptikeutkorean: 0x3173, + pihiragana: 0x3074, + pikatakana: 0x30D4, + pisymbolgreek: 0x03D6, + piwrarmenian: 0x0583, + plus: 0x002B, + plusbelowcmb: 0x031F, + pluscircle: 0x2295, + plusminus: 0x00B1, + plusmod: 0x02D6, + plusmonospace: 0xFF0B, + plussmall: 0xFE62, + plussuperior: 0x207A, + pmonospace: 0xFF50, + pmsquare: 0x33D8, + pohiragana: 0x307D, + pointingindexdownwhite: 0x261F, + pointingindexleftwhite: 0x261C, + pointingindexrightwhite: 0x261E, + pointingindexupwhite: 0x261D, + pokatakana: 0x30DD, + poplathai: 0x0E1B, + postalmark: 0x3012, + postalmarkface: 0x3020, + pparen: 0x24AB, + precedes: 0x227A, + prescription: 0x211E, + primemod: 0x02B9, + primereversed: 0x2035, + product: 0x220F, + projective: 0x2305, + prolongedkana: 0x30FC, + propellor: 0x2318, + propersubset: 0x2282, + propersuperset: 0x2283, + proportion: 0x2237, + proportional: 0x221D, + psi: 0x03C8, + psicyrillic: 0x0471, + psilipneumatacyrilliccmb: 0x0486, + pssquare: 0x33B0, + puhiragana: 0x3077, + pukatakana: 0x30D7, + pvsquare: 0x33B4, + pwsquare: 0x33BA, + q: 0x0071, + qadeva: 0x0958, + qadmahebrew: 0x05A8, + qafarabic: 0x0642, + qaffinalarabic: 0xFED6, + qafinitialarabic: 0xFED7, + qafmedialarabic: 0xFED8, + qamats: 0x05B8, + qamats10: 0x05B8, + qamats1a: 0x05B8, + qamats1c: 0x05B8, + qamats27: 0x05B8, + qamats29: 0x05B8, + qamats33: 0x05B8, + qamatsde: 0x05B8, + qamatshebrew: 0x05B8, + qamatsnarrowhebrew: 0x05B8, + qamatsqatanhebrew: 0x05B8, + qamatsqatannarrowhebrew: 0x05B8, + qamatsqatanquarterhebrew: 0x05B8, + qamatsqatanwidehebrew: 0x05B8, + qamatsquarterhebrew: 0x05B8, + qamatswidehebrew: 0x05B8, + qarneyparahebrew: 0x059F, + qbopomofo: 0x3111, + qcircle: 0x24E0, + qhook: 0x02A0, + qmonospace: 0xFF51, + qof: 0x05E7, + qofdagesh: 0xFB47, + qofdageshhebrew: 0xFB47, + qofhebrew: 0x05E7, + qparen: 0x24AC, + quarternote: 0x2669, + qubuts: 0x05BB, + qubuts18: 0x05BB, + qubuts25: 0x05BB, + qubuts31: 0x05BB, + qubutshebrew: 0x05BB, + qubutsnarrowhebrew: 0x05BB, + qubutsquarterhebrew: 0x05BB, + qubutswidehebrew: 0x05BB, + question: 0x003F, + questionarabic: 0x061F, + questionarmenian: 0x055E, + questiondown: 0x00BF, + questiondownsmall: 0xF7BF, + questiongreek: 0x037E, + questionmonospace: 0xFF1F, + questionsmall: 0xF73F, + quotedbl: 0x0022, + quotedblbase: 0x201E, + quotedblleft: 0x201C, + quotedblmonospace: 0xFF02, + quotedblprime: 0x301E, + quotedblprimereversed: 0x301D, + quotedblright: 0x201D, + quoteleft: 0x2018, + quoteleftreversed: 0x201B, + quotereversed: 0x201B, + quoteright: 0x2019, + quoterightn: 0x0149, + quotesinglbase: 0x201A, + quotesingle: 0x0027, + quotesinglemonospace: 0xFF07, + r: 0x0072, + raarmenian: 0x057C, + rabengali: 0x09B0, + racute: 0x0155, + radeva: 0x0930, + radical: 0x221A, + radicalex: 0xF8E5, + radoverssquare: 0x33AE, + radoverssquaredsquare: 0x33AF, + radsquare: 0x33AD, + rafe: 0x05BF, + rafehebrew: 0x05BF, + ragujarati: 0x0AB0, + ragurmukhi: 0x0A30, + rahiragana: 0x3089, + rakatakana: 0x30E9, + rakatakanahalfwidth: 0xFF97, + ralowerdiagonalbengali: 0x09F1, + ramiddlediagonalbengali: 0x09F0, + ramshorn: 0x0264, + ratio: 0x2236, + rbopomofo: 0x3116, + rcaron: 0x0159, + rcedilla: 0x0157, + rcircle: 0x24E1, + rcommaaccent: 0x0157, + rdblgrave: 0x0211, + rdotaccent: 0x1E59, + rdotbelow: 0x1E5B, + rdotbelowmacron: 0x1E5D, + referencemark: 0x203B, + reflexsubset: 0x2286, + reflexsuperset: 0x2287, + registered: 0x00AE, + registersans: 0xF8E8, + registerserif: 0xF6DA, + reharabic: 0x0631, + reharmenian: 0x0580, + rehfinalarabic: 0xFEAE, + rehiragana: 0x308C, + rekatakana: 0x30EC, + rekatakanahalfwidth: 0xFF9A, + resh: 0x05E8, + reshdageshhebrew: 0xFB48, + reshhebrew: 0x05E8, + reversedtilde: 0x223D, + reviahebrew: 0x0597, + reviamugrashhebrew: 0x0597, + revlogicalnot: 0x2310, + rfishhook: 0x027E, + rfishhookreversed: 0x027F, + rhabengali: 0x09DD, + rhadeva: 0x095D, + rho: 0x03C1, + rhook: 0x027D, + rhookturned: 0x027B, + rhookturnedsuperior: 0x02B5, + rhosymbolgreek: 0x03F1, + rhotichookmod: 0x02DE, + rieulacirclekorean: 0x3271, + rieulaparenkorean: 0x3211, + rieulcirclekorean: 0x3263, + rieulhieuhkorean: 0x3140, + rieulkiyeokkorean: 0x313A, + rieulkiyeoksioskorean: 0x3169, + rieulkorean: 0x3139, + rieulmieumkorean: 0x313B, + rieulpansioskorean: 0x316C, + rieulparenkorean: 0x3203, + rieulphieuphkorean: 0x313F, + rieulpieupkorean: 0x313C, + rieulpieupsioskorean: 0x316B, + rieulsioskorean: 0x313D, + rieulthieuthkorean: 0x313E, + rieultikeutkorean: 0x316A, + rieulyeorinhieuhkorean: 0x316D, + rightangle: 0x221F, + righttackbelowcmb: 0x0319, + righttriangle: 0x22BF, + rihiragana: 0x308A, + rikatakana: 0x30EA, + rikatakanahalfwidth: 0xFF98, + ring: 0x02DA, + ringbelowcmb: 0x0325, + ringcmb: 0x030A, + ringhalfleft: 0x02BF, + ringhalfleftarmenian: 0x0559, + ringhalfleftbelowcmb: 0x031C, + ringhalfleftcentered: 0x02D3, + ringhalfright: 0x02BE, + ringhalfrightbelowcmb: 0x0339, + ringhalfrightcentered: 0x02D2, + rinvertedbreve: 0x0213, + rittorusquare: 0x3351, + rlinebelow: 0x1E5F, + rlongleg: 0x027C, + rlonglegturned: 0x027A, + rmonospace: 0xFF52, + rohiragana: 0x308D, + rokatakana: 0x30ED, + rokatakanahalfwidth: 0xFF9B, + roruathai: 0x0E23, + rparen: 0x24AD, + rrabengali: 0x09DC, + rradeva: 0x0931, + rragurmukhi: 0x0A5C, + rreharabic: 0x0691, + rrehfinalarabic: 0xFB8D, + rrvocalicbengali: 0x09E0, + rrvocalicdeva: 0x0960, + rrvocalicgujarati: 0x0AE0, + rrvocalicvowelsignbengali: 0x09C4, + rrvocalicvowelsigndeva: 0x0944, + rrvocalicvowelsigngujarati: 0x0AC4, + rsuperior: 0xF6F1, + rtblock: 0x2590, + rturned: 0x0279, + rturnedsuperior: 0x02B4, + ruhiragana: 0x308B, + rukatakana: 0x30EB, + rukatakanahalfwidth: 0xFF99, + rupeemarkbengali: 0x09F2, + rupeesignbengali: 0x09F3, + rupiah: 0xF6DD, + ruthai: 0x0E24, + rvocalicbengali: 0x098B, + rvocalicdeva: 0x090B, + rvocalicgujarati: 0x0A8B, + rvocalicvowelsignbengali: 0x09C3, + rvocalicvowelsigndeva: 0x0943, + rvocalicvowelsigngujarati: 0x0AC3, + s: 0x0073, + sabengali: 0x09B8, + sacute: 0x015B, + sacutedotaccent: 0x1E65, + sadarabic: 0x0635, + sadeva: 0x0938, + sadfinalarabic: 0xFEBA, + sadinitialarabic: 0xFEBB, + sadmedialarabic: 0xFEBC, + sagujarati: 0x0AB8, + sagurmukhi: 0x0A38, + sahiragana: 0x3055, + sakatakana: 0x30B5, + sakatakanahalfwidth: 0xFF7B, + sallallahoualayhewasallamarabic: 0xFDFA, + samekh: 0x05E1, + samekhdagesh: 0xFB41, + samekhdageshhebrew: 0xFB41, + samekhhebrew: 0x05E1, + saraaathai: 0x0E32, + saraaethai: 0x0E41, + saraaimaimalaithai: 0x0E44, + saraaimaimuanthai: 0x0E43, + saraamthai: 0x0E33, + saraathai: 0x0E30, + saraethai: 0x0E40, + saraiileftthai: 0xF886, + saraiithai: 0x0E35, + saraileftthai: 0xF885, + saraithai: 0x0E34, + saraothai: 0x0E42, + saraueeleftthai: 0xF888, + saraueethai: 0x0E37, + saraueleftthai: 0xF887, + sarauethai: 0x0E36, + sarauthai: 0x0E38, + sarauuthai: 0x0E39, + sbopomofo: 0x3119, + scaron: 0x0161, + scarondotaccent: 0x1E67, + scedilla: 0x015F, + schwa: 0x0259, + schwacyrillic: 0x04D9, + schwadieresiscyrillic: 0x04DB, + schwahook: 0x025A, + scircle: 0x24E2, + scircumflex: 0x015D, + scommaaccent: 0x0219, + sdotaccent: 0x1E61, + sdotbelow: 0x1E63, + sdotbelowdotaccent: 0x1E69, + seagullbelowcmb: 0x033C, + second: 0x2033, + secondtonechinese: 0x02CA, + section: 0x00A7, + seenarabic: 0x0633, + seenfinalarabic: 0xFEB2, + seeninitialarabic: 0xFEB3, + seenmedialarabic: 0xFEB4, + segol: 0x05B6, + segol13: 0x05B6, + segol1f: 0x05B6, + segol2c: 0x05B6, + segolhebrew: 0x05B6, + segolnarrowhebrew: 0x05B6, + segolquarterhebrew: 0x05B6, + segoltahebrew: 0x0592, + segolwidehebrew: 0x05B6, + seharmenian: 0x057D, + sehiragana: 0x305B, + sekatakana: 0x30BB, + sekatakanahalfwidth: 0xFF7E, + semicolon: 0x003B, + semicolonarabic: 0x061B, + semicolonmonospace: 0xFF1B, + semicolonsmall: 0xFE54, + semivoicedmarkkana: 0x309C, + semivoicedmarkkanahalfwidth: 0xFF9F, + sentisquare: 0x3322, + sentosquare: 0x3323, + seven: 0x0037, + sevenarabic: 0x0667, + sevenbengali: 0x09ED, + sevencircle: 0x2466, + sevencircleinversesansserif: 0x2790, + sevendeva: 0x096D, + seveneighths: 0x215E, + sevengujarati: 0x0AED, + sevengurmukhi: 0x0A6D, + sevenhackarabic: 0x0667, + sevenhangzhou: 0x3027, + sevenideographicparen: 0x3226, + seveninferior: 0x2087, + sevenmonospace: 0xFF17, + sevenoldstyle: 0xF737, + sevenparen: 0x247A, + sevenperiod: 0x248E, + sevenpersian: 0x06F7, + sevenroman: 0x2176, + sevensuperior: 0x2077, + seventeencircle: 0x2470, + seventeenparen: 0x2484, + seventeenperiod: 0x2498, + seventhai: 0x0E57, + sfthyphen: 0x00AD, + shaarmenian: 0x0577, + shabengali: 0x09B6, + shacyrillic: 0x0448, + shaddaarabic: 0x0651, + shaddadammaarabic: 0xFC61, + shaddadammatanarabic: 0xFC5E, + shaddafathaarabic: 0xFC60, + shaddakasraarabic: 0xFC62, + shaddakasratanarabic: 0xFC5F, + shade: 0x2592, + shadedark: 0x2593, + shadelight: 0x2591, + shademedium: 0x2592, + shadeva: 0x0936, + shagujarati: 0x0AB6, + shagurmukhi: 0x0A36, + shalshelethebrew: 0x0593, + shbopomofo: 0x3115, + shchacyrillic: 0x0449, + sheenarabic: 0x0634, + sheenfinalarabic: 0xFEB6, + sheeninitialarabic: 0xFEB7, + sheenmedialarabic: 0xFEB8, + sheicoptic: 0x03E3, + sheqel: 0x20AA, + sheqelhebrew: 0x20AA, + sheva: 0x05B0, + sheva115: 0x05B0, + sheva15: 0x05B0, + sheva22: 0x05B0, + sheva2e: 0x05B0, + shevahebrew: 0x05B0, + shevanarrowhebrew: 0x05B0, + shevaquarterhebrew: 0x05B0, + shevawidehebrew: 0x05B0, + shhacyrillic: 0x04BB, + shimacoptic: 0x03ED, + shin: 0x05E9, + shindagesh: 0xFB49, + shindageshhebrew: 0xFB49, + shindageshshindot: 0xFB2C, + shindageshshindothebrew: 0xFB2C, + shindageshsindot: 0xFB2D, + shindageshsindothebrew: 0xFB2D, + shindothebrew: 0x05C1, + shinhebrew: 0x05E9, + shinshindot: 0xFB2A, + shinshindothebrew: 0xFB2A, + shinsindot: 0xFB2B, + shinsindothebrew: 0xFB2B, + shook: 0x0282, + sigma: 0x03C3, + sigma1: 0x03C2, + sigmafinal: 0x03C2, + sigmalunatesymbolgreek: 0x03F2, + sihiragana: 0x3057, + sikatakana: 0x30B7, + sikatakanahalfwidth: 0xFF7C, + siluqhebrew: 0x05BD, + siluqlefthebrew: 0x05BD, + similar: 0x223C, + sindothebrew: 0x05C2, + siosacirclekorean: 0x3274, + siosaparenkorean: 0x3214, + sioscieuckorean: 0x317E, + sioscirclekorean: 0x3266, + sioskiyeokkorean: 0x317A, + sioskorean: 0x3145, + siosnieunkorean: 0x317B, + siosparenkorean: 0x3206, + siospieupkorean: 0x317D, + siostikeutkorean: 0x317C, + six: 0x0036, + sixarabic: 0x0666, + sixbengali: 0x09EC, + sixcircle: 0x2465, + sixcircleinversesansserif: 0x278F, + sixdeva: 0x096C, + sixgujarati: 0x0AEC, + sixgurmukhi: 0x0A6C, + sixhackarabic: 0x0666, + sixhangzhou: 0x3026, + sixideographicparen: 0x3225, + sixinferior: 0x2086, + sixmonospace: 0xFF16, + sixoldstyle: 0xF736, + sixparen: 0x2479, + sixperiod: 0x248D, + sixpersian: 0x06F6, + sixroman: 0x2175, + sixsuperior: 0x2076, + sixteencircle: 0x246F, + sixteencurrencydenominatorbengali: 0x09F9, + sixteenparen: 0x2483, + sixteenperiod: 0x2497, + sixthai: 0x0E56, + slash: 0x002F, + slashmonospace: 0xFF0F, + slong: 0x017F, + slongdotaccent: 0x1E9B, + smileface: 0x263A, + smonospace: 0xFF53, + sofpasuqhebrew: 0x05C3, + softhyphen: 0x00AD, + softsigncyrillic: 0x044C, + sohiragana: 0x305D, + sokatakana: 0x30BD, + sokatakanahalfwidth: 0xFF7F, + soliduslongoverlaycmb: 0x0338, + solidusshortoverlaycmb: 0x0337, + sorusithai: 0x0E29, + sosalathai: 0x0E28, + sosothai: 0x0E0B, + sosuathai: 0x0E2A, + space: 0x0020, + spacehackarabic: 0x0020, + spade: 0x2660, + spadesuitblack: 0x2660, + spadesuitwhite: 0x2664, + sparen: 0x24AE, + squarebelowcmb: 0x033B, + squarecc: 0x33C4, + squarecm: 0x339D, + squarediagonalcrosshatchfill: 0x25A9, + squarehorizontalfill: 0x25A4, + squarekg: 0x338F, + squarekm: 0x339E, + squarekmcapital: 0x33CE, + squareln: 0x33D1, + squarelog: 0x33D2, + squaremg: 0x338E, + squaremil: 0x33D5, + squaremm: 0x339C, + squaremsquared: 0x33A1, + squareorthogonalcrosshatchfill: 0x25A6, + squareupperlefttolowerrightfill: 0x25A7, + squareupperrighttolowerleftfill: 0x25A8, + squareverticalfill: 0x25A5, + squarewhitewithsmallblack: 0x25A3, + srsquare: 0x33DB, + ssabengali: 0x09B7, + ssadeva: 0x0937, + ssagujarati: 0x0AB7, + ssangcieuckorean: 0x3149, + ssanghieuhkorean: 0x3185, + ssangieungkorean: 0x3180, + ssangkiyeokkorean: 0x3132, + ssangnieunkorean: 0x3165, + ssangpieupkorean: 0x3143, + ssangsioskorean: 0x3146, + ssangtikeutkorean: 0x3138, + ssuperior: 0xF6F2, + sterling: 0x00A3, + sterlingmonospace: 0xFFE1, + strokelongoverlaycmb: 0x0336, + strokeshortoverlaycmb: 0x0335, + subset: 0x2282, + subsetnotequal: 0x228A, + subsetorequal: 0x2286, + succeeds: 0x227B, + suchthat: 0x220B, + suhiragana: 0x3059, + sukatakana: 0x30B9, + sukatakanahalfwidth: 0xFF7D, + sukunarabic: 0x0652, + summation: 0x2211, + sun: 0x263C, + superset: 0x2283, + supersetnotequal: 0x228B, + supersetorequal: 0x2287, + svsquare: 0x33DC, + syouwaerasquare: 0x337C, + t: 0x0074, + tabengali: 0x09A4, + tackdown: 0x22A4, + tackleft: 0x22A3, + tadeva: 0x0924, + tagujarati: 0x0AA4, + tagurmukhi: 0x0A24, + taharabic: 0x0637, + tahfinalarabic: 0xFEC2, + tahinitialarabic: 0xFEC3, + tahiragana: 0x305F, + tahmedialarabic: 0xFEC4, + taisyouerasquare: 0x337D, + takatakana: 0x30BF, + takatakanahalfwidth: 0xFF80, + tatweelarabic: 0x0640, + tau: 0x03C4, + tav: 0x05EA, + tavdages: 0xFB4A, + tavdagesh: 0xFB4A, + tavdageshhebrew: 0xFB4A, + tavhebrew: 0x05EA, + tbar: 0x0167, + tbopomofo: 0x310A, + tcaron: 0x0165, + tccurl: 0x02A8, + tcedilla: 0x0163, + tcheharabic: 0x0686, + tchehfinalarabic: 0xFB7B, + tchehinitialarabic: 0xFB7C, + tchehmedialarabic: 0xFB7D, + tcircle: 0x24E3, + tcircumflexbelow: 0x1E71, + tcommaaccent: 0x0163, + tdieresis: 0x1E97, + tdotaccent: 0x1E6B, + tdotbelow: 0x1E6D, + tecyrillic: 0x0442, + tedescendercyrillic: 0x04AD, + teharabic: 0x062A, + tehfinalarabic: 0xFE96, + tehhahinitialarabic: 0xFCA2, + tehhahisolatedarabic: 0xFC0C, + tehinitialarabic: 0xFE97, + tehiragana: 0x3066, + tehjeeminitialarabic: 0xFCA1, + tehjeemisolatedarabic: 0xFC0B, + tehmarbutaarabic: 0x0629, + tehmarbutafinalarabic: 0xFE94, + tehmedialarabic: 0xFE98, + tehmeeminitialarabic: 0xFCA4, + tehmeemisolatedarabic: 0xFC0E, + tehnoonfinalarabic: 0xFC73, + tekatakana: 0x30C6, + tekatakanahalfwidth: 0xFF83, + telephone: 0x2121, + telephoneblack: 0x260E, + telishagedolahebrew: 0x05A0, + telishaqetanahebrew: 0x05A9, + tencircle: 0x2469, + tenideographicparen: 0x3229, + tenparen: 0x247D, + tenperiod: 0x2491, + tenroman: 0x2179, + tesh: 0x02A7, + tet: 0x05D8, + tetdagesh: 0xFB38, + tetdageshhebrew: 0xFB38, + tethebrew: 0x05D8, + tetsecyrillic: 0x04B5, + tevirhebrew: 0x059B, + tevirlefthebrew: 0x059B, + thabengali: 0x09A5, + thadeva: 0x0925, + thagujarati: 0x0AA5, + thagurmukhi: 0x0A25, + thalarabic: 0x0630, + thalfinalarabic: 0xFEAC, + thanthakhatlowleftthai: 0xF898, + thanthakhatlowrightthai: 0xF897, + thanthakhatthai: 0x0E4C, + thanthakhatupperleftthai: 0xF896, + theharabic: 0x062B, + thehfinalarabic: 0xFE9A, + thehinitialarabic: 0xFE9B, + thehmedialarabic: 0xFE9C, + thereexists: 0x2203, + therefore: 0x2234, + theta: 0x03B8, + theta1: 0x03D1, + thetasymbolgreek: 0x03D1, + thieuthacirclekorean: 0x3279, + thieuthaparenkorean: 0x3219, + thieuthcirclekorean: 0x326B, + thieuthkorean: 0x314C, + thieuthparenkorean: 0x320B, + thirteencircle: 0x246C, + thirteenparen: 0x2480, + thirteenperiod: 0x2494, + thonangmonthothai: 0x0E11, + thook: 0x01AD, + thophuthaothai: 0x0E12, + thorn: 0x00FE, + thothahanthai: 0x0E17, + thothanthai: 0x0E10, + thothongthai: 0x0E18, + thothungthai: 0x0E16, + thousandcyrillic: 0x0482, + thousandsseparatorarabic: 0x066C, + thousandsseparatorpersian: 0x066C, + three: 0x0033, + threearabic: 0x0663, + threebengali: 0x09E9, + threecircle: 0x2462, + threecircleinversesansserif: 0x278C, + threedeva: 0x0969, + threeeighths: 0x215C, + threegujarati: 0x0AE9, + threegurmukhi: 0x0A69, + threehackarabic: 0x0663, + threehangzhou: 0x3023, + threeideographicparen: 0x3222, + threeinferior: 0x2083, + threemonospace: 0xFF13, + threenumeratorbengali: 0x09F6, + threeoldstyle: 0xF733, + threeparen: 0x2476, + threeperiod: 0x248A, + threepersian: 0x06F3, + threequarters: 0x00BE, + threequartersemdash: 0xF6DE, + threeroman: 0x2172, + threesuperior: 0x00B3, + threethai: 0x0E53, + thzsquare: 0x3394, + tihiragana: 0x3061, + tikatakana: 0x30C1, + tikatakanahalfwidth: 0xFF81, + tikeutacirclekorean: 0x3270, + tikeutaparenkorean: 0x3210, + tikeutcirclekorean: 0x3262, + tikeutkorean: 0x3137, + tikeutparenkorean: 0x3202, + tilde: 0x02DC, + tildebelowcmb: 0x0330, + tildecmb: 0x0303, + tildecomb: 0x0303, + tildedoublecmb: 0x0360, + tildeoperator: 0x223C, + tildeoverlaycmb: 0x0334, + tildeverticalcmb: 0x033E, + timescircle: 0x2297, + tipehahebrew: 0x0596, + tipehalefthebrew: 0x0596, + tippigurmukhi: 0x0A70, + titlocyrilliccmb: 0x0483, + tiwnarmenian: 0x057F, + tlinebelow: 0x1E6F, + tmonospace: 0xFF54, + toarmenian: 0x0569, + tohiragana: 0x3068, + tokatakana: 0x30C8, + tokatakanahalfwidth: 0xFF84, + tonebarextrahighmod: 0x02E5, + tonebarextralowmod: 0x02E9, + tonebarhighmod: 0x02E6, + tonebarlowmod: 0x02E8, + tonebarmidmod: 0x02E7, + tonefive: 0x01BD, + tonesix: 0x0185, + tonetwo: 0x01A8, + tonos: 0x0384, + tonsquare: 0x3327, + topatakthai: 0x0E0F, + tortoiseshellbracketleft: 0x3014, + tortoiseshellbracketleftsmall: 0xFE5D, + tortoiseshellbracketleftvertical: 0xFE39, + tortoiseshellbracketright: 0x3015, + tortoiseshellbracketrightsmall: 0xFE5E, + tortoiseshellbracketrightvertical: 0xFE3A, + totaothai: 0x0E15, + tpalatalhook: 0x01AB, + tparen: 0x24AF, + trademark: 0x2122, + trademarksans: 0xF8EA, + trademarkserif: 0xF6DB, + tretroflexhook: 0x0288, + triagdn: 0x25BC, + triaglf: 0x25C4, + triagrt: 0x25BA, + triagup: 0x25B2, + ts: 0x02A6, + tsadi: 0x05E6, + tsadidagesh: 0xFB46, + tsadidageshhebrew: 0xFB46, + tsadihebrew: 0x05E6, + tsecyrillic: 0x0446, + tsere: 0x05B5, + tsere12: 0x05B5, + tsere1e: 0x05B5, + tsere2b: 0x05B5, + tserehebrew: 0x05B5, + tserenarrowhebrew: 0x05B5, + tserequarterhebrew: 0x05B5, + tserewidehebrew: 0x05B5, + tshecyrillic: 0x045B, + tsuperior: 0xF6F3, + ttabengali: 0x099F, + ttadeva: 0x091F, + ttagujarati: 0x0A9F, + ttagurmukhi: 0x0A1F, + tteharabic: 0x0679, + ttehfinalarabic: 0xFB67, + ttehinitialarabic: 0xFB68, + ttehmedialarabic: 0xFB69, + tthabengali: 0x09A0, + tthadeva: 0x0920, + tthagujarati: 0x0AA0, + tthagurmukhi: 0x0A20, + tturned: 0x0287, + tuhiragana: 0x3064, + tukatakana: 0x30C4, + tukatakanahalfwidth: 0xFF82, + tusmallhiragana: 0x3063, + tusmallkatakana: 0x30C3, + tusmallkatakanahalfwidth: 0xFF6F, + twelvecircle: 0x246B, + twelveparen: 0x247F, + twelveperiod: 0x2493, + twelveroman: 0x217B, + twentycircle: 0x2473, + twentyhangzhou: 0x5344, + twentyparen: 0x2487, + twentyperiod: 0x249B, + two: 0x0032, + twoarabic: 0x0662, + twobengali: 0x09E8, + twocircle: 0x2461, + twocircleinversesansserif: 0x278B, + twodeva: 0x0968, + twodotenleader: 0x2025, + twodotleader: 0x2025, + twodotleadervertical: 0xFE30, + twogujarati: 0x0AE8, + twogurmukhi: 0x0A68, + twohackarabic: 0x0662, + twohangzhou: 0x3022, + twoideographicparen: 0x3221, + twoinferior: 0x2082, + twomonospace: 0xFF12, + twonumeratorbengali: 0x09F5, + twooldstyle: 0xF732, + twoparen: 0x2475, + twoperiod: 0x2489, + twopersian: 0x06F2, + tworoman: 0x2171, + twostroke: 0x01BB, + twosuperior: 0x00B2, + twothai: 0x0E52, + twothirds: 0x2154, + u: 0x0075, + uacute: 0x00FA, + ubar: 0x0289, + ubengali: 0x0989, + ubopomofo: 0x3128, + ubreve: 0x016D, + ucaron: 0x01D4, + ucircle: 0x24E4, + ucircumflex: 0x00FB, + ucircumflexbelow: 0x1E77, + ucyrillic: 0x0443, + udattadeva: 0x0951, + udblacute: 0x0171, + udblgrave: 0x0215, + udeva: 0x0909, + udieresis: 0x00FC, + udieresisacute: 0x01D8, + udieresisbelow: 0x1E73, + udieresiscaron: 0x01DA, + udieresiscyrillic: 0x04F1, + udieresisgrave: 0x01DC, + udieresismacron: 0x01D6, + udotbelow: 0x1EE5, + ugrave: 0x00F9, + ugujarati: 0x0A89, + ugurmukhi: 0x0A09, + uhiragana: 0x3046, + uhookabove: 0x1EE7, + uhorn: 0x01B0, + uhornacute: 0x1EE9, + uhorndotbelow: 0x1EF1, + uhorngrave: 0x1EEB, + uhornhookabove: 0x1EED, + uhorntilde: 0x1EEF, + uhungarumlaut: 0x0171, + uhungarumlautcyrillic: 0x04F3, + uinvertedbreve: 0x0217, + ukatakana: 0x30A6, + ukatakanahalfwidth: 0xFF73, + ukcyrillic: 0x0479, + ukorean: 0x315C, + umacron: 0x016B, + umacroncyrillic: 0x04EF, + umacrondieresis: 0x1E7B, + umatragurmukhi: 0x0A41, + umonospace: 0xFF55, + underscore: 0x005F, + underscoredbl: 0x2017, + underscoremonospace: 0xFF3F, + underscorevertical: 0xFE33, + underscorewavy: 0xFE4F, + union: 0x222A, + universal: 0x2200, + uogonek: 0x0173, + uparen: 0x24B0, + upblock: 0x2580, + upperdothebrew: 0x05C4, + upsilon: 0x03C5, + upsilondieresis: 0x03CB, + upsilondieresistonos: 0x03B0, + upsilonlatin: 0x028A, + upsilontonos: 0x03CD, + uptackbelowcmb: 0x031D, + uptackmod: 0x02D4, + uragurmukhi: 0x0A73, + uring: 0x016F, + ushortcyrillic: 0x045E, + usmallhiragana: 0x3045, + usmallkatakana: 0x30A5, + usmallkatakanahalfwidth: 0xFF69, + ustraightcyrillic: 0x04AF, + ustraightstrokecyrillic: 0x04B1, + utilde: 0x0169, + utildeacute: 0x1E79, + utildebelow: 0x1E75, + uubengali: 0x098A, + uudeva: 0x090A, + uugujarati: 0x0A8A, + uugurmukhi: 0x0A0A, + uumatragurmukhi: 0x0A42, + uuvowelsignbengali: 0x09C2, + uuvowelsigndeva: 0x0942, + uuvowelsigngujarati: 0x0AC2, + uvowelsignbengali: 0x09C1, + uvowelsigndeva: 0x0941, + uvowelsigngujarati: 0x0AC1, + v: 0x0076, + vadeva: 0x0935, + vagujarati: 0x0AB5, + vagurmukhi: 0x0A35, + vakatakana: 0x30F7, + vav: 0x05D5, + vavdagesh: 0xFB35, + vavdagesh65: 0xFB35, + vavdageshhebrew: 0xFB35, + vavhebrew: 0x05D5, + vavholam: 0xFB4B, + vavholamhebrew: 0xFB4B, + vavvavhebrew: 0x05F0, + vavyodhebrew: 0x05F1, + vcircle: 0x24E5, + vdotbelow: 0x1E7F, + vecyrillic: 0x0432, + veharabic: 0x06A4, + vehfinalarabic: 0xFB6B, + vehinitialarabic: 0xFB6C, + vehmedialarabic: 0xFB6D, + vekatakana: 0x30F9, + venus: 0x2640, + verticalbar: 0x007C, + verticallineabovecmb: 0x030D, + verticallinebelowcmb: 0x0329, + verticallinelowmod: 0x02CC, + verticallinemod: 0x02C8, + vewarmenian: 0x057E, + vhook: 0x028B, + vikatakana: 0x30F8, + viramabengali: 0x09CD, + viramadeva: 0x094D, + viramagujarati: 0x0ACD, + visargabengali: 0x0983, + visargadeva: 0x0903, + visargagujarati: 0x0A83, + vmonospace: 0xFF56, + voarmenian: 0x0578, + voicediterationhiragana: 0x309E, + voicediterationkatakana: 0x30FE, + voicedmarkkana: 0x309B, + voicedmarkkanahalfwidth: 0xFF9E, + vokatakana: 0x30FA, + vparen: 0x24B1, + vtilde: 0x1E7D, + vturned: 0x028C, + vuhiragana: 0x3094, + vukatakana: 0x30F4, + w: 0x0077, + wacute: 0x1E83, + waekorean: 0x3159, + wahiragana: 0x308F, + wakatakana: 0x30EF, + wakatakanahalfwidth: 0xFF9C, + wakorean: 0x3158, + wasmallhiragana: 0x308E, + wasmallkatakana: 0x30EE, + wattosquare: 0x3357, + wavedash: 0x301C, + wavyunderscorevertical: 0xFE34, + wawarabic: 0x0648, + wawfinalarabic: 0xFEEE, + wawhamzaabovearabic: 0x0624, + wawhamzaabovefinalarabic: 0xFE86, + wbsquare: 0x33DD, + wcircle: 0x24E6, + wcircumflex: 0x0175, + wdieresis: 0x1E85, + wdotaccent: 0x1E87, + wdotbelow: 0x1E89, + wehiragana: 0x3091, + weierstrass: 0x2118, + wekatakana: 0x30F1, + wekorean: 0x315E, + weokorean: 0x315D, + wgrave: 0x1E81, + whitebullet: 0x25E6, + whitecircle: 0x25CB, + whitecircleinverse: 0x25D9, + whitecornerbracketleft: 0x300E, + whitecornerbracketleftvertical: 0xFE43, + whitecornerbracketright: 0x300F, + whitecornerbracketrightvertical: 0xFE44, + whitediamond: 0x25C7, + whitediamondcontainingblacksmalldiamond: 0x25C8, + whitedownpointingsmalltriangle: 0x25BF, + whitedownpointingtriangle: 0x25BD, + whiteleftpointingsmalltriangle: 0x25C3, + whiteleftpointingtriangle: 0x25C1, + whitelenticularbracketleft: 0x3016, + whitelenticularbracketright: 0x3017, + whiterightpointingsmalltriangle: 0x25B9, + whiterightpointingtriangle: 0x25B7, + whitesmallsquare: 0x25AB, + whitesmilingface: 0x263A, + whitesquare: 0x25A1, + whitestar: 0x2606, + whitetelephone: 0x260F, + whitetortoiseshellbracketleft: 0x3018, + whitetortoiseshellbracketright: 0x3019, + whiteuppointingsmalltriangle: 0x25B5, + whiteuppointingtriangle: 0x25B3, + wihiragana: 0x3090, + wikatakana: 0x30F0, + wikorean: 0x315F, + wmonospace: 0xFF57, + wohiragana: 0x3092, + wokatakana: 0x30F2, + wokatakanahalfwidth: 0xFF66, + won: 0x20A9, + wonmonospace: 0xFFE6, + wowaenthai: 0x0E27, + wparen: 0x24B2, + wring: 0x1E98, + wsuperior: 0x02B7, + wturned: 0x028D, + wynn: 0x01BF, + x: 0x0078, + xabovecmb: 0x033D, + xbopomofo: 0x3112, + xcircle: 0x24E7, + xdieresis: 0x1E8D, + xdotaccent: 0x1E8B, + xeharmenian: 0x056D, + xi: 0x03BE, + xmonospace: 0xFF58, + xparen: 0x24B3, + xsuperior: 0x02E3, + y: 0x0079, + yaadosquare: 0x334E, + yabengali: 0x09AF, + yacute: 0x00FD, + yadeva: 0x092F, + yaekorean: 0x3152, + yagujarati: 0x0AAF, + yagurmukhi: 0x0A2F, + yahiragana: 0x3084, + yakatakana: 0x30E4, + yakatakanahalfwidth: 0xFF94, + yakorean: 0x3151, + yamakkanthai: 0x0E4E, + yasmallhiragana: 0x3083, + yasmallkatakana: 0x30E3, + yasmallkatakanahalfwidth: 0xFF6C, + yatcyrillic: 0x0463, + ycircle: 0x24E8, + ycircumflex: 0x0177, + ydieresis: 0x00FF, + ydotaccent: 0x1E8F, + ydotbelow: 0x1EF5, + yeharabic: 0x064A, + yehbarreearabic: 0x06D2, + yehbarreefinalarabic: 0xFBAF, + yehfinalarabic: 0xFEF2, + yehhamzaabovearabic: 0x0626, + yehhamzaabovefinalarabic: 0xFE8A, + yehhamzaaboveinitialarabic: 0xFE8B, + yehhamzaabovemedialarabic: 0xFE8C, + yehinitialarabic: 0xFEF3, + yehmedialarabic: 0xFEF4, + yehmeeminitialarabic: 0xFCDD, + yehmeemisolatedarabic: 0xFC58, + yehnoonfinalarabic: 0xFC94, + yehthreedotsbelowarabic: 0x06D1, + yekorean: 0x3156, + yen: 0x00A5, + yenmonospace: 0xFFE5, + yeokorean: 0x3155, + yeorinhieuhkorean: 0x3186, + yerahbenyomohebrew: 0x05AA, + yerahbenyomolefthebrew: 0x05AA, + yericyrillic: 0x044B, + yerudieresiscyrillic: 0x04F9, + yesieungkorean: 0x3181, + yesieungpansioskorean: 0x3183, + yesieungsioskorean: 0x3182, + yetivhebrew: 0x059A, + ygrave: 0x1EF3, + yhook: 0x01B4, + yhookabove: 0x1EF7, + yiarmenian: 0x0575, + yicyrillic: 0x0457, + yikorean: 0x3162, + yinyang: 0x262F, + yiwnarmenian: 0x0582, + ymonospace: 0xFF59, + yod: 0x05D9, + yoddagesh: 0xFB39, + yoddageshhebrew: 0xFB39, + yodhebrew: 0x05D9, + yodyodhebrew: 0x05F2, + yodyodpatahhebrew: 0xFB1F, + yohiragana: 0x3088, + yoikorean: 0x3189, + yokatakana: 0x30E8, + yokatakanahalfwidth: 0xFF96, + yokorean: 0x315B, + yosmallhiragana: 0x3087, + yosmallkatakana: 0x30E7, + yosmallkatakanahalfwidth: 0xFF6E, + yotgreek: 0x03F3, + yoyaekorean: 0x3188, + yoyakorean: 0x3187, + yoyakthai: 0x0E22, + yoyingthai: 0x0E0D, + yparen: 0x24B4, + ypogegrammeni: 0x037A, + ypogegrammenigreekcmb: 0x0345, + yr: 0x01A6, + yring: 0x1E99, + ysuperior: 0x02B8, + ytilde: 0x1EF9, + yturned: 0x028E, + yuhiragana: 0x3086, + yuikorean: 0x318C, + yukatakana: 0x30E6, + yukatakanahalfwidth: 0xFF95, + yukorean: 0x3160, + yusbigcyrillic: 0x046B, + yusbigiotifiedcyrillic: 0x046D, + yuslittlecyrillic: 0x0467, + yuslittleiotifiedcyrillic: 0x0469, + yusmallhiragana: 0x3085, + yusmallkatakana: 0x30E5, + yusmallkatakanahalfwidth: 0xFF6D, + yuyekorean: 0x318B, + yuyeokorean: 0x318A, + yyabengali: 0x09DF, + yyadeva: 0x095F, + z: 0x007A, + zaarmenian: 0x0566, + zacute: 0x017A, + zadeva: 0x095B, + zagurmukhi: 0x0A5B, + zaharabic: 0x0638, + zahfinalarabic: 0xFEC6, + zahinitialarabic: 0xFEC7, + zahiragana: 0x3056, + zahmedialarabic: 0xFEC8, + zainarabic: 0x0632, + zainfinalarabic: 0xFEB0, + zakatakana: 0x30B6, + zaqefgadolhebrew: 0x0595, + zaqefqatanhebrew: 0x0594, + zarqahebrew: 0x0598, + zayin: 0x05D6, + zayindagesh: 0xFB36, + zayindageshhebrew: 0xFB36, + zayinhebrew: 0x05D6, + zbopomofo: 0x3117, + zcaron: 0x017E, + zcircle: 0x24E9, + zcircumflex: 0x1E91, + zcurl: 0x0291, + zdot: 0x017C, + zdotaccent: 0x017C, + zdotbelow: 0x1E93, + zecyrillic: 0x0437, + zedescendercyrillic: 0x0499, + zedieresiscyrillic: 0x04DF, + zehiragana: 0x305C, + zekatakana: 0x30BC, + zero: 0x0030, + zeroarabic: 0x0660, + zerobengali: 0x09E6, + zerodeva: 0x0966, + zerogujarati: 0x0AE6, + zerogurmukhi: 0x0A66, + zerohackarabic: 0x0660, + zeroinferior: 0x2080, + zeromonospace: 0xFF10, + zerooldstyle: 0xF730, + zeropersian: 0x06F0, + zerosuperior: 0x2070, + zerothai: 0x0E50, + zerowidthjoiner: 0xFEFF, + zerowidthnonjoiner: 0x200C, + zerowidthspace: 0x200B, + zeta: 0x03B6, + zhbopomofo: 0x3113, + zhearmenian: 0x056A, + zhebrevecyrillic: 0x04C2, + zhecyrillic: 0x0436, + zhedescendercyrillic: 0x0497, + zhedieresiscyrillic: 0x04DD, + zihiragana: 0x3058, + zikatakana: 0x30B8, + zinorhebrew: 0x05AE, + zlinebelow: 0x1E95, + zmonospace: 0xFF5A, + zohiragana: 0x305E, + zokatakana: 0x30BE, + zparen: 0x24B5, + zretroflexhook: 0x0290, + zstroke: 0x01B6, + zuhiragana: 0x305A, + zukatakana: 0x30BA, + '.notdef': 0x0000 +}; + +var DingbatsGlyphsUnicode = { + space: 0x0020, + a1: 0x2701, + a2: 0x2702, + a202: 0x2703, + a3: 0x2704, + a4: 0x260E, + a5: 0x2706, + a119: 0x2707, + a118: 0x2708, + a117: 0x2709, + a11: 0x261B, + a12: 0x261E, + a13: 0x270C, + a14: 0x270D, + a15: 0x270E, + a16: 0x270F, + a105: 0x2710, + a17: 0x2711, + a18: 0x2712, + a19: 0x2713, + a20: 0x2714, + a21: 0x2715, + a22: 0x2716, + a23: 0x2717, + a24: 0x2718, + a25: 0x2719, + a26: 0x271A, + a27: 0x271B, + a28: 0x271C, + a6: 0x271D, + a7: 0x271E, + a8: 0x271F, + a9: 0x2720, + a10: 0x2721, + a29: 0x2722, + a30: 0x2723, + a31: 0x2724, + a32: 0x2725, + a33: 0x2726, + a34: 0x2727, + a35: 0x2605, + a36: 0x2729, + a37: 0x272A, + a38: 0x272B, + a39: 0x272C, + a40: 0x272D, + a41: 0x272E, + a42: 0x272F, + a43: 0x2730, + a44: 0x2731, + a45: 0x2732, + a46: 0x2733, + a47: 0x2734, + a48: 0x2735, + a49: 0x2736, + a50: 0x2737, + a51: 0x2738, + a52: 0x2739, + a53: 0x273A, + a54: 0x273B, + a55: 0x273C, + a56: 0x273D, + a57: 0x273E, + a58: 0x273F, + a59: 0x2740, + a60: 0x2741, + a61: 0x2742, + a62: 0x2743, + a63: 0x2744, + a64: 0x2745, + a65: 0x2746, + a66: 0x2747, + a67: 0x2748, + a68: 0x2749, + a69: 0x274A, + a70: 0x274B, + a71: 0x25CF, + a72: 0x274D, + a73: 0x25A0, + a74: 0x274F, + a203: 0x2750, + a75: 0x2751, + a204: 0x2752, + a76: 0x25B2, + a77: 0x25BC, + a78: 0x25C6, + a79: 0x2756, + a81: 0x25D7, + a82: 0x2758, + a83: 0x2759, + a84: 0x275A, + a97: 0x275B, + a98: 0x275C, + a99: 0x275D, + a100: 0x275E, + a101: 0x2761, + a102: 0x2762, + a103: 0x2763, + a104: 0x2764, + a106: 0x2765, + a107: 0x2766, + a108: 0x2767, + a112: 0x2663, + a111: 0x2666, + a110: 0x2665, + a109: 0x2660, + a120: 0x2460, + a121: 0x2461, + a122: 0x2462, + a123: 0x2463, + a124: 0x2464, + a125: 0x2465, + a126: 0x2466, + a127: 0x2467, + a128: 0x2468, + a129: 0x2469, + a130: 0x2776, + a131: 0x2777, + a132: 0x2778, + a133: 0x2779, + a134: 0x277A, + a135: 0x277B, + a136: 0x277C, + a137: 0x277D, + a138: 0x277E, + a139: 0x277F, + a140: 0x2780, + a141: 0x2781, + a142: 0x2782, + a143: 0x2783, + a144: 0x2784, + a145: 0x2785, + a146: 0x2786, + a147: 0x2787, + a148: 0x2788, + a149: 0x2789, + a150: 0x278A, + a151: 0x278B, + a152: 0x278C, + a153: 0x278D, + a154: 0x278E, + a155: 0x278F, + a156: 0x2790, + a157: 0x2791, + a158: 0x2792, + a159: 0x2793, + a160: 0x2794, + a161: 0x2192, + a163: 0x2194, + a164: 0x2195, + a196: 0x2798, + a165: 0x2799, + a192: 0x279A, + a166: 0x279B, + a167: 0x279C, + a168: 0x279D, + a169: 0x279E, + a170: 0x279F, + a171: 0x27A0, + a172: 0x27A1, + a173: 0x27A2, + a162: 0x27A3, + a174: 0x27A4, + a175: 0x27A5, + a176: 0x27A6, + a177: 0x27A7, + a178: 0x27A8, + a179: 0x27A9, + a193: 0x27AA, + a180: 0x27AB, + a199: 0x27AC, + a181: 0x27AD, + a200: 0x27AE, + a182: 0x27AF, + a201: 0x27B1, + a183: 0x27B2, + a184: 0x27B3, + a197: 0x27B4, + a185: 0x27B5, + a194: 0x27B6, + a198: 0x27B7, + a186: 0x27B8, + a195: 0x27B9, + a187: 0x27BA, + a188: 0x27BB, + a189: 0x27BC, + a190: 0x27BD, + a191: 0x27BE, + a89: 0x2768, // 0xF8D7 + a90: 0x2769, // 0xF8D8 + a93: 0x276A, // 0xF8D9 + a94: 0x276B, // 0xF8DA + a91: 0x276C, // 0xF8DB + a92: 0x276D, // 0xF8DC + a205: 0x276E, // 0xF8DD + a85: 0x276F, // 0xF8DE + a206: 0x2770, // 0xF8DF + a86: 0x2771, // 0xF8E0 + a87: 0x2772, // 0xF8E1 + a88: 0x2773, // 0xF8E2 + a95: 0x2774, // 0xF8E3 + a96: 0x2775, // 0xF8E4 + '.notdef': 0x0000 +}; + +exports.GlyphsUnicode = GlyphsUnicode; +exports.DingbatsGlyphsUnicode = DingbatsGlyphsUnicode; +})); + + + +(function (root, factory) { + { + factory((root.pdfjsCoreJpg = {})); + } +}(this, function (exports) { + +/* +This code was forked from https://github.com/notmasteryet/jpgjs. The original +version was created by github user notmasteryet + +- The JPEG specification can be found in the ITU CCITT Recommendation T.81 + (www.w3.org/Graphics/JPEG/itu-t81.pdf) +- The JFIF specification can be found in the JPEG File Interchange Format + (www.w3.org/Graphics/JPEG/jfif3.pdf) +- The Adobe Application-Specific JPEG markers in the Supporting the DCT Filters + in PostScript Level 2, Technical Note #5116 + (partners.adobe.com/public/developer/en/ps/sdk/5116.DCT_Filter.pdf) +*/ + +var JpegImage = (function jpegImage() { + var dctZigZag = new Uint8Array([ + 0, + 1, 8, + 16, 9, 2, + 3, 10, 17, 24, + 32, 25, 18, 11, 4, + 5, 12, 19, 26, 33, 40, + 48, 41, 34, 27, 20, 13, 6, + 7, 14, 21, 28, 35, 42, 49, 56, + 57, 50, 43, 36, 29, 22, 15, + 23, 30, 37, 44, 51, 58, + 59, 52, 45, 38, 31, + 39, 46, 53, 60, + 61, 54, 47, + 55, 62, + 63 + ]); + + var dctCos1 = 4017; // cos(pi/16) + var dctSin1 = 799; // sin(pi/16) + var dctCos3 = 3406; // cos(3*pi/16) + var dctSin3 = 2276; // sin(3*pi/16) + var dctCos6 = 1567; // cos(6*pi/16) + var dctSin6 = 3784; // sin(6*pi/16) + var dctSqrt2 = 5793; // sqrt(2) + var dctSqrt1d2 = 2896; // sqrt(2) / 2 + + function constructor() { + } + + function buildHuffmanTable(codeLengths, values) { + var k = 0, code = [], i, j, length = 16; + while (length > 0 && !codeLengths[length - 1]) { + length--; + } + code.push({children: [], index: 0}); + var p = code[0], q; + for (i = 0; i < length; i++) { + for (j = 0; j < codeLengths[i]; j++) { + p = code.pop(); + p.children[p.index] = values[k]; + while (p.index > 0) { + p = code.pop(); + } + p.index++; + code.push(p); + while (code.length <= i) { + code.push(q = {children: [], index: 0}); + p.children[p.index] = q.children; + p = q; + } + k++; + } + if (i + 1 < length) { + // p here points to last code + code.push(q = {children: [], index: 0}); + p.children[p.index] = q.children; + p = q; + } + } + return code[0].children; + } + + function getBlockBufferOffset(component, row, col) { + return 64 * ((component.blocksPerLine + 1) * row + col); + } + + function decodeScan(data, offset, frame, components, resetInterval, + spectralStart, spectralEnd, successivePrev, successive) { + var mcusPerLine = frame.mcusPerLine; + var progressive = frame.progressive; + + var startOffset = offset, bitsData = 0, bitsCount = 0; + + function readBit() { + if (bitsCount > 0) { + bitsCount--; + return (bitsData >> bitsCount) & 1; + } + bitsData = data[offset++]; + if (bitsData === 0xFF) { + var nextByte = data[offset++]; + if (nextByte) { + throw 'unexpected marker: ' + + ((bitsData << 8) | nextByte).toString(16); + } + // unstuff 0 + } + bitsCount = 7; + return bitsData >>> 7; + } + + function decodeHuffman(tree) { + var node = tree; + while (true) { + node = node[readBit()]; + if (typeof node === 'number') { + return node; + } + if (typeof node !== 'object') { + throw 'invalid huffman sequence'; + } + } + } + + function receive(length) { + var n = 0; + while (length > 0) { + n = (n << 1) | readBit(); + length--; + } + return n; + } + + function receiveAndExtend(length) { + if (length === 1) { + return readBit() === 1 ? 1 : -1; + } + var n = receive(length); + if (n >= 1 << (length - 1)) { + return n; + } + return n + (-1 << length) + 1; + } + + function decodeBaseline(component, offset) { + var t = decodeHuffman(component.huffmanTableDC); + var diff = t === 0 ? 0 : receiveAndExtend(t); + component.blockData[offset] = (component.pred += diff); + var k = 1; + while (k < 64) { + var rs = decodeHuffman(component.huffmanTableAC); + var s = rs & 15, r = rs >> 4; + if (s === 0) { + if (r < 15) { + break; + } + k += 16; + continue; + } + k += r; + var z = dctZigZag[k]; + component.blockData[offset + z] = receiveAndExtend(s); + k++; + } + } + + function decodeDCFirst(component, offset) { + var t = decodeHuffman(component.huffmanTableDC); + var diff = t === 0 ? 0 : (receiveAndExtend(t) << successive); + component.blockData[offset] = (component.pred += diff); + } + + function decodeDCSuccessive(component, offset) { + component.blockData[offset] |= readBit() << successive; + } + + var eobrun = 0; + function decodeACFirst(component, offset) { + if (eobrun > 0) { + eobrun--; + return; + } + var k = spectralStart, e = spectralEnd; + while (k <= e) { + var rs = decodeHuffman(component.huffmanTableAC); + var s = rs & 15, r = rs >> 4; + if (s === 0) { + if (r < 15) { + eobrun = receive(r) + (1 << r) - 1; + break; + } + k += 16; + continue; + } + k += r; + var z = dctZigZag[k]; + component.blockData[offset + z] = + receiveAndExtend(s) * (1 << successive); + k++; + } + } + + var successiveACState = 0, successiveACNextValue; + function decodeACSuccessive(component, offset) { + var k = spectralStart; + var e = spectralEnd; + var r = 0; + var s; + var rs; + while (k <= e) { + var z = dctZigZag[k]; + switch (successiveACState) { + case 0: // initial state + rs = decodeHuffman(component.huffmanTableAC); + s = rs & 15; + r = rs >> 4; + if (s === 0) { + if (r < 15) { + eobrun = receive(r) + (1 << r); + successiveACState = 4; + } else { + r = 16; + successiveACState = 1; + } + } else { + if (s !== 1) { + throw 'invalid ACn encoding'; + } + successiveACNextValue = receiveAndExtend(s); + successiveACState = r ? 2 : 3; + } + continue; + case 1: // skipping r zero items + case 2: + if (component.blockData[offset + z]) { + component.blockData[offset + z] += (readBit() << successive); + } else { + r--; + if (r === 0) { + successiveACState = successiveACState === 2 ? 3 : 0; + } + } + break; + case 3: // set value for a zero item + if (component.blockData[offset + z]) { + component.blockData[offset + z] += (readBit() << successive); + } else { + component.blockData[offset + z] = + successiveACNextValue << successive; + successiveACState = 0; + } + break; + case 4: // eob + if (component.blockData[offset + z]) { + component.blockData[offset + z] += (readBit() << successive); + } + break; + } + k++; + } + if (successiveACState === 4) { + eobrun--; + if (eobrun === 0) { + successiveACState = 0; + } + } + } + + function decodeMcu(component, decode, mcu, row, col) { + var mcuRow = (mcu / mcusPerLine) | 0; + var mcuCol = mcu % mcusPerLine; + var blockRow = mcuRow * component.v + row; + var blockCol = mcuCol * component.h + col; + var offset = getBlockBufferOffset(component, blockRow, blockCol); + decode(component, offset); + } + + function decodeBlock(component, decode, mcu) { + var blockRow = (mcu / component.blocksPerLine) | 0; + var blockCol = mcu % component.blocksPerLine; + var offset = getBlockBufferOffset(component, blockRow, blockCol); + decode(component, offset); + } + + var componentsLength = components.length; + var component, i, j, k, n; + var decodeFn; + if (progressive) { + if (spectralStart === 0) { + decodeFn = successivePrev === 0 ? decodeDCFirst : decodeDCSuccessive; + } else { + decodeFn = successivePrev === 0 ? decodeACFirst : decodeACSuccessive; + } + } else { + decodeFn = decodeBaseline; + } + + var mcu = 0, marker; + var mcuExpected; + if (componentsLength === 1) { + mcuExpected = components[0].blocksPerLine * components[0].blocksPerColumn; + } else { + mcuExpected = mcusPerLine * frame.mcusPerColumn; + } + if (!resetInterval) { + resetInterval = mcuExpected; + } + + var h, v; + while (mcu < mcuExpected) { + // reset interval stuff + for (i = 0; i < componentsLength; i++) { + components[i].pred = 0; + } + eobrun = 0; + + if (componentsLength === 1) { + component = components[0]; + for (n = 0; n < resetInterval; n++) { + decodeBlock(component, decodeFn, mcu); + mcu++; + } + } else { + for (n = 0; n < resetInterval; n++) { + for (i = 0; i < componentsLength; i++) { + component = components[i]; + h = component.h; + v = component.v; + for (j = 0; j < v; j++) { + for (k = 0; k < h; k++) { + decodeMcu(component, decodeFn, mcu, j, k); + } + } + } + mcu++; + } + } + + // find marker + bitsCount = 0; + marker = (data[offset] << 8) | data[offset + 1]; + if (marker <= 0xFF00) { + throw 'marker was not found'; + } + + if (marker >= 0xFFD0 && marker <= 0xFFD7) { // RSTx + offset += 2; + } else { + break; + } + } + + return offset - startOffset; + } + + // A port of poppler's IDCT method which in turn is taken from: + // Christoph Loeffler, Adriaan Ligtenberg, George S. Moschytz, + // 'Practical Fast 1-D DCT Algorithms with 11 Multiplications', + // IEEE Intl. Conf. on Acoustics, Speech & Signal Processing, 1989, + // 988-991. + function quantizeAndInverse(component, blockBufferOffset, p) { + var qt = component.quantizationTable, blockData = component.blockData; + var v0, v1, v2, v3, v4, v5, v6, v7; + var p0, p1, p2, p3, p4, p5, p6, p7; + var t; + + // inverse DCT on rows + for (var row = 0; row < 64; row += 8) { + // gather block data + p0 = blockData[blockBufferOffset + row]; + p1 = blockData[blockBufferOffset + row + 1]; + p2 = blockData[blockBufferOffset + row + 2]; + p3 = blockData[blockBufferOffset + row + 3]; + p4 = blockData[blockBufferOffset + row + 4]; + p5 = blockData[blockBufferOffset + row + 5]; + p6 = blockData[blockBufferOffset + row + 6]; + p7 = blockData[blockBufferOffset + row + 7]; + + // dequant p0 + p0 *= qt[row]; + + // check for all-zero AC coefficients + if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) { + t = (dctSqrt2 * p0 + 512) >> 10; + p[row] = t; + p[row + 1] = t; + p[row + 2] = t; + p[row + 3] = t; + p[row + 4] = t; + p[row + 5] = t; + p[row + 6] = t; + p[row + 7] = t; + continue; + } + // dequant p1 ... p7 + p1 *= qt[row + 1]; + p2 *= qt[row + 2]; + p3 *= qt[row + 3]; + p4 *= qt[row + 4]; + p5 *= qt[row + 5]; + p6 *= qt[row + 6]; + p7 *= qt[row + 7]; + + // stage 4 + v0 = (dctSqrt2 * p0 + 128) >> 8; + v1 = (dctSqrt2 * p4 + 128) >> 8; + v2 = p2; + v3 = p6; + v4 = (dctSqrt1d2 * (p1 - p7) + 128) >> 8; + v7 = (dctSqrt1d2 * (p1 + p7) + 128) >> 8; + v5 = p3 << 4; + v6 = p5 << 4; + + // stage 3 + v0 = (v0 + v1 + 1) >> 1; + v1 = v0 - v1; + t = (v2 * dctSin6 + v3 * dctCos6 + 128) >> 8; + v2 = (v2 * dctCos6 - v3 * dctSin6 + 128) >> 8; + v3 = t; + v4 = (v4 + v6 + 1) >> 1; + v6 = v4 - v6; + v7 = (v7 + v5 + 1) >> 1; + v5 = v7 - v5; + + // stage 2 + v0 = (v0 + v3 + 1) >> 1; + v3 = v0 - v3; + v1 = (v1 + v2 + 1) >> 1; + v2 = v1 - v2; + t = (v4 * dctSin3 + v7 * dctCos3 + 2048) >> 12; + v4 = (v4 * dctCos3 - v7 * dctSin3 + 2048) >> 12; + v7 = t; + t = (v5 * dctSin1 + v6 * dctCos1 + 2048) >> 12; + v5 = (v5 * dctCos1 - v6 * dctSin1 + 2048) >> 12; + v6 = t; + + // stage 1 + p[row] = v0 + v7; + p[row + 7] = v0 - v7; + p[row + 1] = v1 + v6; + p[row + 6] = v1 - v6; + p[row + 2] = v2 + v5; + p[row + 5] = v2 - v5; + p[row + 3] = v3 + v4; + p[row + 4] = v3 - v4; + } + + // inverse DCT on columns + for (var col = 0; col < 8; ++col) { + p0 = p[col]; + p1 = p[col + 8]; + p2 = p[col + 16]; + p3 = p[col + 24]; + p4 = p[col + 32]; + p5 = p[col + 40]; + p6 = p[col + 48]; + p7 = p[col + 56]; + + // check for all-zero AC coefficients + if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) { + t = (dctSqrt2 * p0 + 8192) >> 14; + // convert to 8 bit + t = (t < -2040) ? 0 : (t >= 2024) ? 255 : (t + 2056) >> 4; + blockData[blockBufferOffset + col] = t; + blockData[blockBufferOffset + col + 8] = t; + blockData[blockBufferOffset + col + 16] = t; + blockData[blockBufferOffset + col + 24] = t; + blockData[blockBufferOffset + col + 32] = t; + blockData[blockBufferOffset + col + 40] = t; + blockData[blockBufferOffset + col + 48] = t; + blockData[blockBufferOffset + col + 56] = t; + continue; + } + + // stage 4 + v0 = (dctSqrt2 * p0 + 2048) >> 12; + v1 = (dctSqrt2 * p4 + 2048) >> 12; + v2 = p2; + v3 = p6; + v4 = (dctSqrt1d2 * (p1 - p7) + 2048) >> 12; + v7 = (dctSqrt1d2 * (p1 + p7) + 2048) >> 12; + v5 = p3; + v6 = p5; + + // stage 3 + // Shift v0 by 128.5 << 5 here, so we don't need to shift p0...p7 when + // converting to UInt8 range later. + v0 = ((v0 + v1 + 1) >> 1) + 4112; + v1 = v0 - v1; + t = (v2 * dctSin6 + v3 * dctCos6 + 2048) >> 12; + v2 = (v2 * dctCos6 - v3 * dctSin6 + 2048) >> 12; + v3 = t; + v4 = (v4 + v6 + 1) >> 1; + v6 = v4 - v6; + v7 = (v7 + v5 + 1) >> 1; + v5 = v7 - v5; + + // stage 2 + v0 = (v0 + v3 + 1) >> 1; + v3 = v0 - v3; + v1 = (v1 + v2 + 1) >> 1; + v2 = v1 - v2; + t = (v4 * dctSin3 + v7 * dctCos3 + 2048) >> 12; + v4 = (v4 * dctCos3 - v7 * dctSin3 + 2048) >> 12; + v7 = t; + t = (v5 * dctSin1 + v6 * dctCos1 + 2048) >> 12; + v5 = (v5 * dctCos1 - v6 * dctSin1 + 2048) >> 12; + v6 = t; + + // stage 1 + p0 = v0 + v7; + p7 = v0 - v7; + p1 = v1 + v6; + p6 = v1 - v6; + p2 = v2 + v5; + p5 = v2 - v5; + p3 = v3 + v4; + p4 = v3 - v4; + + // convert to 8-bit integers + p0 = (p0 < 16) ? 0 : (p0 >= 4080) ? 255 : p0 >> 4; + p1 = (p1 < 16) ? 0 : (p1 >= 4080) ? 255 : p1 >> 4; + p2 = (p2 < 16) ? 0 : (p2 >= 4080) ? 255 : p2 >> 4; + p3 = (p3 < 16) ? 0 : (p3 >= 4080) ? 255 : p3 >> 4; + p4 = (p4 < 16) ? 0 : (p4 >= 4080) ? 255 : p4 >> 4; + p5 = (p5 < 16) ? 0 : (p5 >= 4080) ? 255 : p5 >> 4; + p6 = (p6 < 16) ? 0 : (p6 >= 4080) ? 255 : p6 >> 4; + p7 = (p7 < 16) ? 0 : (p7 >= 4080) ? 255 : p7 >> 4; + + // store block data + blockData[blockBufferOffset + col] = p0; + blockData[blockBufferOffset + col + 8] = p1; + blockData[blockBufferOffset + col + 16] = p2; + blockData[blockBufferOffset + col + 24] = p3; + blockData[blockBufferOffset + col + 32] = p4; + blockData[blockBufferOffset + col + 40] = p5; + blockData[blockBufferOffset + col + 48] = p6; + blockData[blockBufferOffset + col + 56] = p7; + } + } + + function buildComponentData(frame, component) { + var blocksPerLine = component.blocksPerLine; + var blocksPerColumn = component.blocksPerColumn; + var computationBuffer = new Int16Array(64); + + for (var blockRow = 0; blockRow < blocksPerColumn; blockRow++) { + for (var blockCol = 0; blockCol < blocksPerLine; blockCol++) { + var offset = getBlockBufferOffset(component, blockRow, blockCol); + quantizeAndInverse(component, offset, computationBuffer); + } + } + return component.blockData; + } + + function clamp0to255(a) { + return a <= 0 ? 0 : a >= 255 ? 255 : a; + } + + constructor.prototype = { + parse: function parse(data) { + + function readUint16() { + var value = (data[offset] << 8) | data[offset + 1]; + offset += 2; + return value; + } + + function readDataBlock() { + var length = readUint16(); + var array = data.subarray(offset, offset + length - 2); + offset += array.length; + return array; + } + + function prepareComponents(frame) { + var mcusPerLine = Math.ceil(frame.samplesPerLine / 8 / frame.maxH); + var mcusPerColumn = Math.ceil(frame.scanLines / 8 / frame.maxV); + for (var i = 0; i < frame.components.length; i++) { + component = frame.components[i]; + var blocksPerLine = Math.ceil(Math.ceil(frame.samplesPerLine / 8) * + component.h / frame.maxH); + var blocksPerColumn = Math.ceil(Math.ceil(frame.scanLines / 8) * + component.v / frame.maxV); + var blocksPerLineForMcu = mcusPerLine * component.h; + var blocksPerColumnForMcu = mcusPerColumn * component.v; + + var blocksBufferSize = 64 * blocksPerColumnForMcu * + (blocksPerLineForMcu + 1); + component.blockData = new Int16Array(blocksBufferSize); + component.blocksPerLine = blocksPerLine; + component.blocksPerColumn = blocksPerColumn; + } + frame.mcusPerLine = mcusPerLine; + frame.mcusPerColumn = mcusPerColumn; + } + + var offset = 0; + var jfif = null; + var adobe = null; + var frame, resetInterval; + var quantizationTables = []; + var huffmanTablesAC = [], huffmanTablesDC = []; + var fileMarker = readUint16(); + if (fileMarker !== 0xFFD8) { // SOI (Start of Image) + throw 'SOI not found'; + } + + fileMarker = readUint16(); + while (fileMarker !== 0xFFD9) { // EOI (End of image) + var i, j, l; + switch(fileMarker) { + case 0xFFE0: // APP0 (Application Specific) + case 0xFFE1: // APP1 + case 0xFFE2: // APP2 + case 0xFFE3: // APP3 + case 0xFFE4: // APP4 + case 0xFFE5: // APP5 + case 0xFFE6: // APP6 + case 0xFFE7: // APP7 + case 0xFFE8: // APP8 + case 0xFFE9: // APP9 + case 0xFFEA: // APP10 + case 0xFFEB: // APP11 + case 0xFFEC: // APP12 + case 0xFFED: // APP13 + case 0xFFEE: // APP14 + case 0xFFEF: // APP15 + case 0xFFFE: // COM (Comment) + var appData = readDataBlock(); + + if (fileMarker === 0xFFE0) { + if (appData[0] === 0x4A && appData[1] === 0x46 && + appData[2] === 0x49 && appData[3] === 0x46 && + appData[4] === 0) { // 'JFIF\x00' + jfif = { + version: { major: appData[5], minor: appData[6] }, + densityUnits: appData[7], + xDensity: (appData[8] << 8) | appData[9], + yDensity: (appData[10] << 8) | appData[11], + thumbWidth: appData[12], + thumbHeight: appData[13], + thumbData: appData.subarray(14, 14 + + 3 * appData[12] * appData[13]) + }; + } + } + // TODO APP1 - Exif + if (fileMarker === 0xFFEE) { + if (appData[0] === 0x41 && appData[1] === 0x64 && + appData[2] === 0x6F && appData[3] === 0x62 && + appData[4] === 0x65) { // 'Adobe' + adobe = { + version: (appData[5] << 8) | appData[6], + flags0: (appData[7] << 8) | appData[8], + flags1: (appData[9] << 8) | appData[10], + transformCode: appData[11] + }; + } + } + break; + + case 0xFFDB: // DQT (Define Quantization Tables) + var quantizationTablesLength = readUint16(); + var quantizationTablesEnd = quantizationTablesLength + offset - 2; + var z; + while (offset < quantizationTablesEnd) { + var quantizationTableSpec = data[offset++]; + var tableData = new Uint16Array(64); + if ((quantizationTableSpec >> 4) === 0) { // 8 bit values + for (j = 0; j < 64; j++) { + z = dctZigZag[j]; + tableData[z] = data[offset++]; + } + } else if ((quantizationTableSpec >> 4) === 1) { //16 bit + for (j = 0; j < 64; j++) { + z = dctZigZag[j]; + tableData[z] = readUint16(); + } + } else { + throw 'DQT: invalid table spec'; + } + quantizationTables[quantizationTableSpec & 15] = tableData; + } + break; + + case 0xFFC0: // SOF0 (Start of Frame, Baseline DCT) + case 0xFFC1: // SOF1 (Start of Frame, Extended DCT) + case 0xFFC2: // SOF2 (Start of Frame, Progressive DCT) + if (frame) { + throw 'Only single frame JPEGs supported'; + } + readUint16(); // skip data length + frame = {}; + frame.extended = (fileMarker === 0xFFC1); + frame.progressive = (fileMarker === 0xFFC2); + frame.precision = data[offset++]; + frame.scanLines = readUint16(); + frame.samplesPerLine = readUint16(); + frame.components = []; + frame.componentIds = {}; + var componentsCount = data[offset++], componentId; + var maxH = 0, maxV = 0; + for (i = 0; i < componentsCount; i++) { + componentId = data[offset]; + var h = data[offset + 1] >> 4; + var v = data[offset + 1] & 15; + if (maxH < h) { + maxH = h; + } + if (maxV < v) { + maxV = v; + } + var qId = data[offset + 2]; + l = frame.components.push({ + h: h, + v: v, + quantizationTable: quantizationTables[qId] + }); + frame.componentIds[componentId] = l - 1; + offset += 3; + } + frame.maxH = maxH; + frame.maxV = maxV; + prepareComponents(frame); + break; + + case 0xFFC4: // DHT (Define Huffman Tables) + var huffmanLength = readUint16(); + for (i = 2; i < huffmanLength;) { + var huffmanTableSpec = data[offset++]; + var codeLengths = new Uint8Array(16); + var codeLengthSum = 0; + for (j = 0; j < 16; j++, offset++) { + codeLengthSum += (codeLengths[j] = data[offset]); + } + var huffmanValues = new Uint8Array(codeLengthSum); + for (j = 0; j < codeLengthSum; j++, offset++) { + huffmanValues[j] = data[offset]; + } + i += 17 + codeLengthSum; + + ((huffmanTableSpec >> 4) === 0 ? + huffmanTablesDC : huffmanTablesAC)[huffmanTableSpec & 15] = + buildHuffmanTable(codeLengths, huffmanValues); + } + break; + + case 0xFFDD: // DRI (Define Restart Interval) + readUint16(); // skip data length + resetInterval = readUint16(); + break; + + case 0xFFDA: // SOS (Start of Scan) + var scanLength = readUint16(); + var selectorsCount = data[offset++]; + var components = [], component; + for (i = 0; i < selectorsCount; i++) { + var componentIndex = frame.componentIds[data[offset++]]; + component = frame.components[componentIndex]; + var tableSpec = data[offset++]; + component.huffmanTableDC = huffmanTablesDC[tableSpec >> 4]; + component.huffmanTableAC = huffmanTablesAC[tableSpec & 15]; + components.push(component); + } + var spectralStart = data[offset++]; + var spectralEnd = data[offset++]; + var successiveApproximation = data[offset++]; + var processed = decodeScan(data, offset, + frame, components, resetInterval, + spectralStart, spectralEnd, + successiveApproximation >> 4, successiveApproximation & 15); + offset += processed; + break; + + case 0xFFFF: // Fill bytes + if (data[offset] !== 0xFF) { // Avoid skipping a valid marker. + offset--; + } + break; + + default: + if (data[offset - 3] === 0xFF && + data[offset - 2] >= 0xC0 && data[offset - 2] <= 0xFE) { + // could be incorrect encoding -- last 0xFF byte of the previous + // block was eaten by the encoder + offset -= 3; + break; + } + throw 'unknown JPEG marker ' + fileMarker.toString(16); + } + fileMarker = readUint16(); + } + + this.width = frame.samplesPerLine; + this.height = frame.scanLines; + this.jfif = jfif; + this.adobe = adobe; + this.components = []; + for (i = 0; i < frame.components.length; i++) { + component = frame.components[i]; + this.components.push({ + output: buildComponentData(frame, component), + scaleX: component.h / frame.maxH, + scaleY: component.v / frame.maxV, + blocksPerLine: component.blocksPerLine, + blocksPerColumn: component.blocksPerColumn + }); + } + this.numComponents = this.components.length; + }, + + _getLinearizedBlockData: function getLinearizedBlockData(width, height) { + var scaleX = this.width / width, scaleY = this.height / height; + + var component, componentScaleX, componentScaleY, blocksPerScanline; + var x, y, i, j, k; + var index; + var offset = 0; + var output; + var numComponents = this.components.length; + var dataLength = width * height * numComponents; + var data = new Uint8Array(dataLength); + var xScaleBlockOffset = new Uint32Array(width); + var mask3LSB = 0xfffffff8; // used to clear the 3 LSBs + + for (i = 0; i < numComponents; i++) { + component = this.components[i]; + componentScaleX = component.scaleX * scaleX; + componentScaleY = component.scaleY * scaleY; + offset = i; + output = component.output; + blocksPerScanline = (component.blocksPerLine + 1) << 3; + // precalculate the xScaleBlockOffset + for (x = 0; x < width; x++) { + j = 0 | (x * componentScaleX); + xScaleBlockOffset[x] = ((j & mask3LSB) << 3) | (j & 7); + } + // linearize the blocks of the component + for (y = 0; y < height; y++) { + j = 0 | (y * componentScaleY); + index = blocksPerScanline * (j & mask3LSB) | ((j & 7) << 3); + for (x = 0; x < width; x++) { + data[offset] = output[index + xScaleBlockOffset[x]]; + offset += numComponents; + } + } + } + + // decodeTransform contains pairs of multiplier (-256..256) and additive + var transform = this.decodeTransform; + if (transform) { + for (i = 0; i < dataLength;) { + for (j = 0, k = 0; j < numComponents; j++, i++, k += 2) { + data[i] = ((data[i] * transform[k]) >> 8) + transform[k + 1]; + } + } + } + return data; + }, + + _isColorConversionNeeded: function isColorConversionNeeded() { + if (this.adobe && this.adobe.transformCode) { + // The adobe transform marker overrides any previous setting + return true; + } else if (this.numComponents === 3) { + return true; + } else { + return false; + } + }, + + _convertYccToRgb: function convertYccToRgb(data) { + var Y, Cb, Cr; + for (var i = 0, length = data.length; i < length; i += 3) { + Y = data[i ]; + Cb = data[i + 1]; + Cr = data[i + 2]; + data[i ] = clamp0to255(Y - 179.456 + 1.402 * Cr); + data[i + 1] = clamp0to255(Y + 135.459 - 0.344 * Cb - 0.714 * Cr); + data[i + 2] = clamp0to255(Y - 226.816 + 1.772 * Cb); + } + return data; + }, + + _convertYcckToRgb: function convertYcckToRgb(data) { + var Y, Cb, Cr, k; + var offset = 0; + for (var i = 0, length = data.length; i < length; i += 4) { + Y = data[i]; + Cb = data[i + 1]; + Cr = data[i + 2]; + k = data[i + 3]; + + var r = -122.67195406894 + + Cb * (-6.60635669420364e-5 * Cb + 0.000437130475926232 * Cr - + 5.4080610064599e-5 * Y + 0.00048449797120281 * k - + 0.154362151871126) + + Cr * (-0.000957964378445773 * Cr + 0.000817076911346625 * Y - + 0.00477271405408747 * k + 1.53380253221734) + + Y * (0.000961250184130688 * Y - 0.00266257332283933 * k + + 0.48357088451265) + + k * (-0.000336197177618394 * k + 0.484791561490776); + + var g = 107.268039397724 + + Cb * (2.19927104525741e-5 * Cb - 0.000640992018297945 * Cr + + 0.000659397001245577 * Y + 0.000426105652938837 * k - + 0.176491792462875) + + Cr * (-0.000778269941513683 * Cr + 0.00130872261408275 * Y + + 0.000770482631801132 * k - 0.151051492775562) + + Y * (0.00126935368114843 * Y - 0.00265090189010898 * k + + 0.25802910206845) + + k * (-0.000318913117588328 * k - 0.213742400323665); + + var b = -20.810012546947 + + Cb * (-0.000570115196973677 * Cb - 2.63409051004589e-5 * Cr + + 0.0020741088115012 * Y - 0.00288260236853442 * k + + 0.814272968359295) + + Cr * (-1.53496057440975e-5 * Cr - 0.000132689043961446 * Y + + 0.000560833691242812 * k - 0.195152027534049) + + Y * (0.00174418132927582 * Y - 0.00255243321439347 * k + + 0.116935020465145) + + k * (-0.000343531996510555 * k + 0.24165260232407); + + data[offset++] = clamp0to255(r); + data[offset++] = clamp0to255(g); + data[offset++] = clamp0to255(b); + } + return data; + }, + + _convertYcckToCmyk: function convertYcckToCmyk(data) { + var Y, Cb, Cr; + for (var i = 0, length = data.length; i < length; i += 4) { + Y = data[i]; + Cb = data[i + 1]; + Cr = data[i + 2]; + data[i ] = clamp0to255(434.456 - Y - 1.402 * Cr); + data[i + 1] = clamp0to255(119.541 - Y + 0.344 * Cb + 0.714 * Cr); + data[i + 2] = clamp0to255(481.816 - Y - 1.772 * Cb); + // K in data[i + 3] is unchanged + } + return data; + }, + + _convertCmykToRgb: function convertCmykToRgb(data) { + var c, m, y, k; + var offset = 0; + var min = -255 * 255 * 255; + var scale = 1 / 255 / 255; + for (var i = 0, length = data.length; i < length; i += 4) { + c = data[i]; + m = data[i + 1]; + y = data[i + 2]; + k = data[i + 3]; + + var r = + c * (-4.387332384609988 * c + 54.48615194189176 * m + + 18.82290502165302 * y + 212.25662451639585 * k - + 72734.4411664936) + + m * (1.7149763477362134 * m - 5.6096736904047315 * y - + 17.873870861415444 * k - 1401.7366389350734) + + y * (-2.5217340131683033 * y - 21.248923337353073 * k + + 4465.541406466231) - + k * (21.86122147463605 * k + 48317.86113160301); + var g = + c * (8.841041422036149 * c + 60.118027045597366 * m + + 6.871425592049007 * y + 31.159100130055922 * k - + 20220.756542821975) + + m * (-15.310361306967817 * m + 17.575251261109482 * y + + 131.35250912493976 * k - 48691.05921601825) + + y * (4.444339102852739 * y + 9.8632861493405 * k - + 6341.191035517494) - + k * (20.737325471181034 * k + 47890.15695978492); + var b = + c * (0.8842522430003296 * c + 8.078677503112928 * m + + 30.89978309703729 * y - 0.23883238689178934 * k - + 3616.812083916688) + + m * (10.49593273432072 * m + 63.02378494754052 * y + + 50.606957656360734 * k - 28620.90484698408) + + y * (0.03296041114873217 * y + 115.60384449646641 * k - + 49363.43385999684) - + k * (22.33816807309886 * k + 45932.16563550634); + + data[offset++] = r >= 0 ? 255 : r <= min ? 0 : 255 + r * scale | 0; + data[offset++] = g >= 0 ? 255 : g <= min ? 0 : 255 + g * scale | 0; + data[offset++] = b >= 0 ? 255 : b <= min ? 0 : 255 + b * scale | 0; + } + return data; + }, + + getData: function getData(width, height, forceRGBoutput) { + if (this.numComponents > 4) { + throw 'Unsupported color mode'; + } + // type of data: Uint8Array(width * height * numComponents) + var data = this._getLinearizedBlockData(width, height); + + if (this.numComponents === 3) { + return this._convertYccToRgb(data); + } else if (this.numComponents === 4) { + if (this._isColorConversionNeeded()) { + if (forceRGBoutput) { + return this._convertYcckToRgb(data); + } else { + return this._convertYcckToCmyk(data); + } + } else if (forceRGBoutput) { + return this._convertCmykToRgb(data); + } + } + return data; + } + }; + + return constructor; +})(); + +exports.JpegImage = JpegImage; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreMetrics = {})); + } +}(this, function (exports) { + +// The Metrics object contains glyph widths (in glyph space units). +// As per PDF spec, for most fonts (Type 3 being an exception) a glyph +// space unit corresponds to 1/1000th of text space unit. +var Metrics = { + 'Courier': 600, + 'Courier-Bold': 600, + 'Courier-BoldOblique': 600, + 'Courier-Oblique': 600, + 'Helvetica' : { + 'space': 278, + 'exclam': 278, + 'quotedbl': 355, + 'numbersign': 556, + 'dollar': 556, + 'percent': 889, + 'ampersand': 667, + 'quoteright': 222, + 'parenleft': 333, + 'parenright': 333, + 'asterisk': 389, + 'plus': 584, + 'comma': 278, + 'hyphen': 333, + 'period': 278, + 'slash': 278, + 'zero': 556, + 'one': 556, + 'two': 556, + 'three': 556, + 'four': 556, + 'five': 556, + 'six': 556, + 'seven': 556, + 'eight': 556, + 'nine': 556, + 'colon': 278, + 'semicolon': 278, + 'less': 584, + 'equal': 584, + 'greater': 584, + 'question': 556, + 'at': 1015, + 'A': 667, + 'B': 667, + 'C': 722, + 'D': 722, + 'E': 667, + 'F': 611, + 'G': 778, + 'H': 722, + 'I': 278, + 'J': 500, + 'K': 667, + 'L': 556, + 'M': 833, + 'N': 722, + 'O': 778, + 'P': 667, + 'Q': 778, + 'R': 722, + 'S': 667, + 'T': 611, + 'U': 722, + 'V': 667, + 'W': 944, + 'X': 667, + 'Y': 667, + 'Z': 611, + 'bracketleft': 278, + 'backslash': 278, + 'bracketright': 278, + 'asciicircum': 469, + 'underscore': 556, + 'quoteleft': 222, + 'a': 556, + 'b': 556, + 'c': 500, + 'd': 556, + 'e': 556, + 'f': 278, + 'g': 556, + 'h': 556, + 'i': 222, + 'j': 222, + 'k': 500, + 'l': 222, + 'm': 833, + 'n': 556, + 'o': 556, + 'p': 556, + 'q': 556, + 'r': 333, + 's': 500, + 't': 278, + 'u': 556, + 'v': 500, + 'w': 722, + 'x': 500, + 'y': 500, + 'z': 500, + 'braceleft': 334, + 'bar': 260, + 'braceright': 334, + 'asciitilde': 584, + 'exclamdown': 333, + 'cent': 556, + 'sterling': 556, + 'fraction': 167, + 'yen': 556, + 'florin': 556, + 'section': 556, + 'currency': 556, + 'quotesingle': 191, + 'quotedblleft': 333, + 'guillemotleft': 556, + 'guilsinglleft': 333, + 'guilsinglright': 333, + 'fi': 500, + 'fl': 500, + 'endash': 556, + 'dagger': 556, + 'daggerdbl': 556, + 'periodcentered': 278, + 'paragraph': 537, + 'bullet': 350, + 'quotesinglbase': 222, + 'quotedblbase': 333, + 'quotedblright': 333, + 'guillemotright': 556, + 'ellipsis': 1000, + 'perthousand': 1000, + 'questiondown': 611, + 'grave': 333, + 'acute': 333, + 'circumflex': 333, + 'tilde': 333, + 'macron': 333, + 'breve': 333, + 'dotaccent': 333, + 'dieresis': 333, + 'ring': 333, + 'cedilla': 333, + 'hungarumlaut': 333, + 'ogonek': 333, + 'caron': 333, + 'emdash': 1000, + 'AE': 1000, + 'ordfeminine': 370, + 'Lslash': 556, + 'Oslash': 778, + 'OE': 1000, + 'ordmasculine': 365, + 'ae': 889, + 'dotlessi': 278, + 'lslash': 222, + 'oslash': 611, + 'oe': 944, + 'germandbls': 611, + 'Idieresis': 278, + 'eacute': 556, + 'abreve': 556, + 'uhungarumlaut': 556, + 'ecaron': 556, + 'Ydieresis': 667, + 'divide': 584, + 'Yacute': 667, + 'Acircumflex': 667, + 'aacute': 556, + 'Ucircumflex': 722, + 'yacute': 500, + 'scommaaccent': 500, + 'ecircumflex': 556, + 'Uring': 722, + 'Udieresis': 722, + 'aogonek': 556, + 'Uacute': 722, + 'uogonek': 556, + 'Edieresis': 667, + 'Dcroat': 722, + 'commaaccent': 250, + 'copyright': 737, + 'Emacron': 667, + 'ccaron': 500, + 'aring': 556, + 'Ncommaaccent': 722, + 'lacute': 222, + 'agrave': 556, + 'Tcommaaccent': 611, + 'Cacute': 722, + 'atilde': 556, + 'Edotaccent': 667, + 'scaron': 500, + 'scedilla': 500, + 'iacute': 278, + 'lozenge': 471, + 'Rcaron': 722, + 'Gcommaaccent': 778, + 'ucircumflex': 556, + 'acircumflex': 556, + 'Amacron': 667, + 'rcaron': 333, + 'ccedilla': 500, + 'Zdotaccent': 611, + 'Thorn': 667, + 'Omacron': 778, + 'Racute': 722, + 'Sacute': 667, + 'dcaron': 643, + 'Umacron': 722, + 'uring': 556, + 'threesuperior': 333, + 'Ograve': 778, + 'Agrave': 667, + 'Abreve': 667, + 'multiply': 584, + 'uacute': 556, + 'Tcaron': 611, + 'partialdiff': 476, + 'ydieresis': 500, + 'Nacute': 722, + 'icircumflex': 278, + 'Ecircumflex': 667, + 'adieresis': 556, + 'edieresis': 556, + 'cacute': 500, + 'nacute': 556, + 'umacron': 556, + 'Ncaron': 722, + 'Iacute': 278, + 'plusminus': 584, + 'brokenbar': 260, + 'registered': 737, + 'Gbreve': 778, + 'Idotaccent': 278, + 'summation': 600, + 'Egrave': 667, + 'racute': 333, + 'omacron': 556, + 'Zacute': 611, + 'Zcaron': 611, + 'greaterequal': 549, + 'Eth': 722, + 'Ccedilla': 722, + 'lcommaaccent': 222, + 'tcaron': 317, + 'eogonek': 556, + 'Uogonek': 722, + 'Aacute': 667, + 'Adieresis': 667, + 'egrave': 556, + 'zacute': 500, + 'iogonek': 222, + 'Oacute': 778, + 'oacute': 556, + 'amacron': 556, + 'sacute': 500, + 'idieresis': 278, + 'Ocircumflex': 778, + 'Ugrave': 722, + 'Delta': 612, + 'thorn': 556, + 'twosuperior': 333, + 'Odieresis': 778, + 'mu': 556, + 'igrave': 278, + 'ohungarumlaut': 556, + 'Eogonek': 667, + 'dcroat': 556, + 'threequarters': 834, + 'Scedilla': 667, + 'lcaron': 299, + 'Kcommaaccent': 667, + 'Lacute': 556, + 'trademark': 1000, + 'edotaccent': 556, + 'Igrave': 278, + 'Imacron': 278, + 'Lcaron': 556, + 'onehalf': 834, + 'lessequal': 549, + 'ocircumflex': 556, + 'ntilde': 556, + 'Uhungarumlaut': 722, + 'Eacute': 667, + 'emacron': 556, + 'gbreve': 556, + 'onequarter': 834, + 'Scaron': 667, + 'Scommaaccent': 667, + 'Ohungarumlaut': 778, + 'degree': 400, + 'ograve': 556, + 'Ccaron': 722, + 'ugrave': 556, + 'radical': 453, + 'Dcaron': 722, + 'rcommaaccent': 333, + 'Ntilde': 722, + 'otilde': 556, + 'Rcommaaccent': 722, + 'Lcommaaccent': 556, + 'Atilde': 667, + 'Aogonek': 667, + 'Aring': 667, + 'Otilde': 778, + 'zdotaccent': 500, + 'Ecaron': 667, + 'Iogonek': 278, + 'kcommaaccent': 500, + 'minus': 584, + 'Icircumflex': 278, + 'ncaron': 556, + 'tcommaaccent': 278, + 'logicalnot': 584, + 'odieresis': 556, + 'udieresis': 556, + 'notequal': 549, + 'gcommaaccent': 556, + 'eth': 556, + 'zcaron': 500, + 'ncommaaccent': 556, + 'onesuperior': 333, + 'imacron': 278, + 'Euro': 556 + }, + 'Helvetica-Bold': { + 'space': 278, + 'exclam': 333, + 'quotedbl': 474, + 'numbersign': 556, + 'dollar': 556, + 'percent': 889, + 'ampersand': 722, + 'quoteright': 278, + 'parenleft': 333, + 'parenright': 333, + 'asterisk': 389, + 'plus': 584, + 'comma': 278, + 'hyphen': 333, + 'period': 278, + 'slash': 278, + 'zero': 556, + 'one': 556, + 'two': 556, + 'three': 556, + 'four': 556, + 'five': 556, + 'six': 556, + 'seven': 556, + 'eight': 556, + 'nine': 556, + 'colon': 333, + 'semicolon': 333, + 'less': 584, + 'equal': 584, + 'greater': 584, + 'question': 611, + 'at': 975, + 'A': 722, + 'B': 722, + 'C': 722, + 'D': 722, + 'E': 667, + 'F': 611, + 'G': 778, + 'H': 722, + 'I': 278, + 'J': 556, + 'K': 722, + 'L': 611, + 'M': 833, + 'N': 722, + 'O': 778, + 'P': 667, + 'Q': 778, + 'R': 722, + 'S': 667, + 'T': 611, + 'U': 722, + 'V': 667, + 'W': 944, + 'X': 667, + 'Y': 667, + 'Z': 611, + 'bracketleft': 333, + 'backslash': 278, + 'bracketright': 333, + 'asciicircum': 584, + 'underscore': 556, + 'quoteleft': 278, + 'a': 556, + 'b': 611, + 'c': 556, + 'd': 611, + 'e': 556, + 'f': 333, + 'g': 611, + 'h': 611, + 'i': 278, + 'j': 278, + 'k': 556, + 'l': 278, + 'm': 889, + 'n': 611, + 'o': 611, + 'p': 611, + 'q': 611, + 'r': 389, + 's': 556, + 't': 333, + 'u': 611, + 'v': 556, + 'w': 778, + 'x': 556, + 'y': 556, + 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556, + 'Uacute': 722, + 'uogonek': 611, + 'Edieresis': 667, + 'Dcroat': 722, + 'commaaccent': 250, + 'copyright': 737, + 'Emacron': 667, + 'ccaron': 556, + 'aring': 556, + 'Ncommaaccent': 722, + 'lacute': 278, + 'agrave': 556, + 'Tcommaaccent': 611, + 'Cacute': 722, + 'atilde': 556, + 'Edotaccent': 667, + 'scaron': 556, + 'scedilla': 556, + 'iacute': 278, + 'lozenge': 494, + 'Rcaron': 722, + 'Gcommaaccent': 778, + 'ucircumflex': 611, + 'acircumflex': 556, + 'Amacron': 722, + 'rcaron': 389, + 'ccedilla': 556, + 'Zdotaccent': 611, + 'Thorn': 667, + 'Omacron': 778, + 'Racute': 722, + 'Sacute': 667, + 'dcaron': 743, + 'Umacron': 722, + 'uring': 611, + 'threesuperior': 333, + 'Ograve': 778, + 'Agrave': 722, + 'Abreve': 722, + 'multiply': 584, + 'uacute': 611, + 'Tcaron': 611, + 'partialdiff': 494, + 'ydieresis': 556, + 'Nacute': 722, + 'icircumflex': 278, + 'Ecircumflex': 667, + 'adieresis': 556, + 'edieresis': 556, + 'cacute': 556, + 'nacute': 611, + 'umacron': 611, + 'Ncaron': 722, + 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833, + 'n': 556, + 'o': 556, + 'p': 556, + 'q': 556, + 'r': 333, + 's': 500, + 't': 278, + 'u': 556, + 'v': 500, + 'w': 722, + 'x': 500, + 'y': 500, + 'z': 500, + 'braceleft': 334, + 'bar': 260, + 'braceright': 334, + 'asciitilde': 584, + 'exclamdown': 333, + 'cent': 556, + 'sterling': 556, + 'fraction': 167, + 'yen': 556, + 'florin': 556, + 'section': 556, + 'currency': 556, + 'quotesingle': 191, + 'quotedblleft': 333, + 'guillemotleft': 556, + 'guilsinglleft': 333, + 'guilsinglright': 333, + 'fi': 500, + 'fl': 500, + 'endash': 556, + 'dagger': 556, + 'daggerdbl': 556, + 'periodcentered': 278, + 'paragraph': 537, + 'bullet': 350, + 'quotesinglbase': 222, + 'quotedblbase': 333, + 'quotedblright': 333, + 'guillemotright': 556, + 'ellipsis': 1000, + 'perthousand': 1000, + 'questiondown': 611, + 'grave': 333, + 'acute': 333, + 'circumflex': 333, + 'tilde': 333, + 'macron': 333, + 'breve': 333, + 'dotaccent': 333, + 'dieresis': 333, + 'ring': 333, + 'cedilla': 333, + 'hungarumlaut': 333, + 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'Otilde': 778, + 'zdotaccent': 500, + 'Ecaron': 667, + 'Iogonek': 278, + 'kcommaaccent': 500, + 'minus': 584, + 'Icircumflex': 278, + 'ncaron': 556, + 'tcommaaccent': 278, + 'logicalnot': 584, + 'odieresis': 556, + 'udieresis': 556, + 'notequal': 549, + 'gcommaaccent': 556, + 'eth': 556, + 'zcaron': 500, + 'ncommaaccent': 556, + 'onesuperior': 333, + 'imacron': 278, + 'Euro': 556 + }, + 'Symbol': { + 'space': 250, + 'exclam': 333, + 'universal': 713, + 'numbersign': 500, + 'existential': 549, + 'percent': 833, + 'ampersand': 778, + 'suchthat': 439, + 'parenleft': 333, + 'parenright': 333, + 'asteriskmath': 500, + 'plus': 549, + 'comma': 250, + 'minus': 549, + 'period': 250, + 'slash': 278, + 'zero': 500, + 'one': 500, + 'two': 500, + 'three': 500, + 'four': 500, + 'five': 500, + 'six': 500, + 'seven': 500, + 'eight': 500, + 'nine': 500, + 'colon': 278, + 'semicolon': 278, + 'less': 549, + 'equal': 549, + 'greater': 549, + 'question': 444, + 'congruent': 549, + 'Alpha': 722, + 'Beta': 667, + 'Chi': 722, + 'Delta': 612, + 'Epsilon': 611, + 'Phi': 763, + 'Gamma': 603, + 'Eta': 722, + 'Iota': 333, + 'theta1': 631, + 'Kappa': 722, + 'Lambda': 686, + 'Mu': 889, + 'Nu': 722, + 'Omicron': 722, + 'Pi': 768, + 'Theta': 741, + 'Rho': 556, + 'Sigma': 592, + 'Tau': 611, + 'Upsilon': 690, + 'sigma1': 439, + 'Omega': 768, + 'Xi': 645, + 'Psi': 795, + 'Zeta': 611, + 'bracketleft': 333, + 'therefore': 863, + 'bracketright': 333, + 'perpendicular': 658, + 'underscore': 500, + 'radicalex': 500, + 'alpha': 631, + 'beta': 549, + 'chi': 549, + 'delta': 494, + 'epsilon': 439, + 'phi': 521, + 'gamma': 411, + 'eta': 603, + 'iota': 329, + 'phi1': 603, + 'kappa': 549, + 'lambda': 549, + 'mu': 576, + 'nu': 521, + 'omicron': 549, + 'pi': 549, + 'theta': 521, + 'rho': 549, + 'sigma': 603, + 'tau': 439, + 'upsilon': 576, + 'omega1': 713, + 'omega': 686, + 'xi': 493, + 'psi': 686, + 'zeta': 494, + 'braceleft': 480, + 'bar': 200, + 'braceright': 480, + 'similar': 549, + 'Euro': 750, + 'Upsilon1': 620, + 'minute': 247, + 'lessequal': 549, + 'fraction': 167, + 'infinity': 713, + 'florin': 500, + 'club': 753, + 'diamond': 753, + 'heart': 753, + 'spade': 753, + 'arrowboth': 1042, + 'arrowleft': 987, + 'arrowup': 603, + 'arrowright': 987, + 'arrowdown': 603, + 'degree': 400, + 'plusminus': 549, + 'second': 411, + 'greaterequal': 549, + 'multiply': 549, + 'proportional': 713, + 'partialdiff': 494, + 'bullet': 460, + 'divide': 549, + 'notequal': 549, + 'equivalence': 549, + 'approxequal': 549, + 'ellipsis': 1000, + 'arrowvertex': 603, + 'arrowhorizex': 1000, + 'carriagereturn': 658, + 'aleph': 823, + 'Ifraktur': 686, + 'Rfraktur': 795, + 'weierstrass': 987, + 'circlemultiply': 768, + 'circleplus': 768, + 'emptyset': 823, + 'intersection': 768, + 'union': 768, + 'propersuperset': 713, + 'reflexsuperset': 713, + 'notsubset': 713, + 'propersubset': 713, + 'reflexsubset': 713, + 'element': 713, + 'notelement': 713, + 'angle': 768, + 'gradient': 713, + 'registerserif': 790, + 'copyrightserif': 790, + 'trademarkserif': 890, + 'product': 823, + 'radical': 549, + 'dotmath': 250, + 'logicalnot': 713, + 'logicaland': 603, + 'logicalor': 603, + 'arrowdblboth': 1042, + 'arrowdblleft': 987, + 'arrowdblup': 603, + 'arrowdblright': 987, + 'arrowdbldown': 603, + 'lozenge': 494, + 'angleleft': 329, + 'registersans': 790, + 'copyrightsans': 790, + 'trademarksans': 786, + 'summation': 713, + 'parenlefttp': 384, + 'parenleftex': 384, + 'parenleftbt': 384, + 'bracketlefttp': 384, + 'bracketleftex': 384, + 'bracketleftbt': 384, + 'bracelefttp': 494, + 'braceleftmid': 494, + 'braceleftbt': 494, + 'braceex': 494, + 'angleright': 329, + 'integral': 274, + 'integraltp': 686, + 'integralex': 686, + 'integralbt': 686, + 'parenrighttp': 384, + 'parenrightex': 384, + 'parenrightbt': 384, + 'bracketrighttp': 384, + 'bracketrightex': 384, + 'bracketrightbt': 384, + 'bracerighttp': 494, + 'bracerightmid': 494, + 'bracerightbt': 494, + 'apple': 790 + }, + 'Times-Roman': { + 'space': 250, + 'exclam': 333, + 'quotedbl': 408, + 'numbersign': 500, + 'dollar': 500, + 'percent': 833, + 'ampersand': 778, + 'quoteright': 333, + 'parenleft': 333, + 'parenright': 333, + 'asterisk': 500, + 'plus': 564, + 'comma': 250, + 'hyphen': 333, + 'period': 250, + 'slash': 278, + 'zero': 500, + 'one': 500, + 'two': 500, + 'three': 500, + 'four': 500, + 'five': 500, + 'six': 500, + 'seven': 500, + 'eight': 500, + 'nine': 500, + 'colon': 278, + 'semicolon': 278, + 'less': 564, + 'equal': 564, + 'greater': 564, + 'question': 444, + 'at': 921, + 'A': 722, + 'B': 667, + 'C': 667, + 'D': 722, + 'E': 611, + 'F': 556, + 'G': 722, + 'H': 722, + 'I': 333, + 'J': 389, + 'K': 722, + 'L': 611, + 'M': 889, + 'N': 722, + 'O': 722, + 'P': 556, + 'Q': 722, + 'R': 667, + 'S': 556, + 'T': 611, + 'U': 722, + 'V': 722, + 'W': 944, + 'X': 722, + 'Y': 722, + 'Z': 611, + 'bracketleft': 333, + 'backslash': 278, + 'bracketright': 333, + 'asciicircum': 469, + 'underscore': 500, + 'quoteleft': 333, + 'a': 444, + 'b': 500, + 'c': 444, + 'd': 500, + 'e': 444, + 'f': 333, + 'g': 500, + 'h': 500, + 'i': 278, + 'j': 278, + 'k': 500, + 'l': 278, + 'm': 778, + 'n': 500, + 'o': 500, + 'p': 500, + 'q': 500, + 'r': 333, + 's': 389, + 't': 278, + 'u': 500, + 'v': 500, + 'w': 722, + 'x': 500, + 'y': 500, + 'z': 444, + 'braceleft': 480, + 'bar': 200, + 'braceright': 480, + 'asciitilde': 541, + 'exclamdown': 333, + 'cent': 500, + 'sterling': 500, + 'fraction': 167, + 'yen': 500, + 'florin': 500, + 'section': 500, + 'currency': 500, + 'quotesingle': 180, + 'quotedblleft': 444, + 'guillemotleft': 500, + 'guilsinglleft': 333, + 'guilsinglright': 333, + 'fi': 556, + 'fl': 556, + 'endash': 500, + 'dagger': 500, + 'daggerdbl': 500, + 'periodcentered': 250, + 'paragraph': 453, + 'bullet': 350, + 'quotesinglbase': 333, + 'quotedblbase': 444, + 'quotedblright': 444, + 'guillemotright': 500, + 'ellipsis': 1000, + 'perthousand': 1000, + 'questiondown': 444, + 'grave': 333, + 'acute': 333, + 'circumflex': 333, + 'tilde': 333, + 'macron': 333, + 'breve': 333, + 'dotaccent': 333, + 'dieresis': 333, + 'ring': 333, + 'cedilla': 333, + 'hungarumlaut': 333, + 'ogonek': 333, + 'caron': 333, + 'emdash': 1000, + 'AE': 889, + 'ordfeminine': 276, + 'Lslash': 611, + 'Oslash': 722, + 'OE': 889, + 'ordmasculine': 310, + 'ae': 667, + 'dotlessi': 278, + 'lslash': 278, + 'oslash': 500, + 'oe': 722, + 'germandbls': 500, + 'Idieresis': 333, + 'eacute': 444, + 'abreve': 444, + 'uhungarumlaut': 500, + 'ecaron': 444, + 'Ydieresis': 722, + 'divide': 564, + 'Yacute': 722, + 'Acircumflex': 722, + 'aacute': 444, + 'Ucircumflex': 722, + 'yacute': 500, + 'scommaaccent': 389, + 'ecircumflex': 444, + 'Uring': 722, + 'Udieresis': 722, + 'aogonek': 444, + 'Uacute': 722, + 'uogonek': 500, + 'Edieresis': 611, + 'Dcroat': 722, + 'commaaccent': 250, + 'copyright': 760, + 'Emacron': 611, + 'ccaron': 444, + 'aring': 444, + 'Ncommaaccent': 722, + 'lacute': 278, + 'agrave': 444, + 'Tcommaaccent': 611, + 'Cacute': 667, + 'atilde': 444, + 'Edotaccent': 611, + 'scaron': 389, + 'scedilla': 389, + 'iacute': 278, + 'lozenge': 471, + 'Rcaron': 667, + 'Gcommaaccent': 722, + 'ucircumflex': 500, + 'acircumflex': 444, + 'Amacron': 722, + 'rcaron': 333, + 'ccedilla': 444, + 'Zdotaccent': 611, + 'Thorn': 556, + 'Omacron': 722, + 'Racute': 667, + 'Sacute': 556, + 'dcaron': 588, + 'Umacron': 722, + 'uring': 500, + 'threesuperior': 300, + 'Ograve': 722, + 'Agrave': 722, + 'Abreve': 722, + 'multiply': 564, + 'uacute': 500, + 'Tcaron': 611, + 'partialdiff': 476, + 'ydieresis': 500, + 'Nacute': 722, + 'icircumflex': 278, + 'Ecircumflex': 611, + 'adieresis': 444, + 'edieresis': 444, + 'cacute': 444, + 'nacute': 500, + 'umacron': 500, + 'Ncaron': 722, + 'Iacute': 333, + 'plusminus': 564, + 'brokenbar': 200, + 'registered': 760, + 'Gbreve': 722, + 'Idotaccent': 333, + 'summation': 600, + 'Egrave': 611, + 'racute': 333, + 'omacron': 500, + 'Zacute': 611, + 'Zcaron': 611, + 'greaterequal': 549, + 'Eth': 722, + 'Ccedilla': 667, + 'lcommaaccent': 278, + 'tcaron': 326, + 'eogonek': 444, + 'Uogonek': 722, + 'Aacute': 722, + 'Adieresis': 722, + 'egrave': 444, + 'zacute': 444, + 'iogonek': 278, + 'Oacute': 722, + 'oacute': 500, + 'amacron': 444, + 'sacute': 389, + 'idieresis': 278, + 'Ocircumflex': 722, + 'Ugrave': 722, + 'Delta': 612, + 'thorn': 500, + 'twosuperior': 300, + 'Odieresis': 722, + 'mu': 500, + 'igrave': 278, + 'ohungarumlaut': 500, + 'Eogonek': 611, + 'dcroat': 500, + 'threequarters': 750, + 'Scedilla': 556, + 'lcaron': 344, + 'Kcommaaccent': 722, + 'Lacute': 611, + 'trademark': 980, + 'edotaccent': 444, + 'Igrave': 333, + 'Imacron': 333, + 'Lcaron': 611, + 'onehalf': 750, + 'lessequal': 549, + 'ocircumflex': 500, + 'ntilde': 500, + 'Uhungarumlaut': 722, + 'Eacute': 611, + 'emacron': 444, + 'gbreve': 500, + 'onequarter': 750, + 'Scaron': 556, + 'Scommaaccent': 556, + 'Ohungarumlaut': 722, + 'degree': 400, + 'ograve': 500, + 'Ccaron': 667, + 'ugrave': 500, + 'radical': 453, + 'Dcaron': 722, + 'rcommaaccent': 333, + 'Ntilde': 722, + 'otilde': 500, + 'Rcommaaccent': 667, + 'Lcommaaccent': 611, + 'Atilde': 722, + 'Aogonek': 722, + 'Aring': 722, + 'Otilde': 722, + 'zdotaccent': 444, + 'Ecaron': 611, + 'Iogonek': 333, + 'kcommaaccent': 500, + 'minus': 564, + 'Icircumflex': 333, + 'ncaron': 500, + 'tcommaaccent': 278, + 'logicalnot': 564, + 'odieresis': 500, + 'udieresis': 500, + 'notequal': 549, + 'gcommaaccent': 500, + 'eth': 500, + 'zcaron': 444, + 'ncommaaccent': 500, + 'onesuperior': 300, + 'imacron': 278, + 'Euro': 500 + }, + 'Times-Bold': { + 'space': 250, + 'exclam': 333, + 'quotedbl': 555, + 'numbersign': 500, + 'dollar': 500, + 'percent': 1000, + 'ampersand': 833, + 'quoteright': 333, + 'parenleft': 333, + 'parenright': 333, + 'asterisk': 500, + 'plus': 570, + 'comma': 250, + 'hyphen': 333, + 'period': 250, + 'slash': 278, + 'zero': 500, + 'one': 500, + 'two': 500, + 'three': 500, + 'four': 500, + 'five': 500, + 'six': 500, + 'seven': 500, + 'eight': 500, + 'nine': 500, + 'colon': 333, + 'semicolon': 333, + 'less': 570, + 'equal': 570, + 'greater': 570, + 'question': 500, + 'at': 930, + 'A': 722, + 'B': 667, + 'C': 722, + 'D': 722, + 'E': 667, + 'F': 611, + 'G': 778, + 'H': 778, + 'I': 389, + 'J': 500, + 'K': 778, + 'L': 667, + 'M': 944, + 'N': 722, + 'O': 778, + 'P': 611, + 'Q': 778, + 'R': 722, + 'S': 556, + 'T': 667, + 'U': 722, + 'V': 722, + 'W': 1000, + 'X': 722, + 'Y': 722, + 'Z': 667, + 'bracketleft': 333, + 'backslash': 278, + 'bracketright': 333, + 'asciicircum': 581, + 'underscore': 500, + 'quoteleft': 333, + 'a': 500, + 'b': 556, + 'c': 444, + 'd': 556, + 'e': 444, + 'f': 333, + 'g': 500, + 'h': 556, + 'i': 278, + 'j': 333, + 'k': 556, + 'l': 278, + 'm': 833, + 'n': 556, + 'o': 500, + 'p': 556, + 'q': 556, + 'r': 444, + 's': 389, + 't': 333, + 'u': 556, + 'v': 500, + 'w': 722, + 'x': 500, + 'y': 500, + 'z': 444, + 'braceleft': 394, + 'bar': 220, + 'braceright': 394, + 'asciitilde': 520, + 'exclamdown': 333, + 'cent': 500, + 'sterling': 500, + 'fraction': 167, + 'yen': 500, + 'florin': 500, + 'section': 500, + 'currency': 500, + 'quotesingle': 278, + 'quotedblleft': 500, + 'guillemotleft': 500, + 'guilsinglleft': 333, + 'guilsinglright': 333, + 'fi': 556, + 'fl': 556, + 'endash': 500, + 'dagger': 500, + 'daggerdbl': 500, + 'periodcentered': 250, + 'paragraph': 540, + 'bullet': 350, + 'quotesinglbase': 333, + 'quotedblbase': 500, + 'quotedblright': 500, + 'guillemotright': 500, + 'ellipsis': 1000, + 'perthousand': 1000, + 'questiondown': 500, + 'grave': 333, + 'acute': 333, + 'circumflex': 333, + 'tilde': 333, + 'macron': 333, + 'breve': 333, + 'dotaccent': 333, + 'dieresis': 333, + 'ring': 333, + 'cedilla': 333, + 'hungarumlaut': 333, + 'ogonek': 333, + 'caron': 333, + 'emdash': 1000, + 'AE': 1000, + 'ordfeminine': 300, + 'Lslash': 667, + 'Oslash': 778, + 'OE': 1000, + 'ordmasculine': 330, + 'ae': 722, + 'dotlessi': 278, + 'lslash': 278, + 'oslash': 500, + 'oe': 722, + 'germandbls': 556, + 'Idieresis': 389, + 'eacute': 444, + 'abreve': 500, + 'uhungarumlaut': 556, + 'ecaron': 444, + 'Ydieresis': 722, + 'divide': 570, + 'Yacute': 722, + 'Acircumflex': 722, + 'aacute': 500, + 'Ucircumflex': 722, + 'yacute': 500, + 'scommaaccent': 389, + 'ecircumflex': 444, + 'Uring': 722, + 'Udieresis': 722, + 'aogonek': 500, + 'Uacute': 722, + 'uogonek': 556, + 'Edieresis': 667, + 'Dcroat': 722, + 'commaaccent': 250, + 'copyright': 747, + 'Emacron': 667, + 'ccaron': 444, + 'aring': 500, + 'Ncommaaccent': 722, + 'lacute': 278, + 'agrave': 500, + 'Tcommaaccent': 667, + 'Cacute': 722, + 'atilde': 500, + 'Edotaccent': 667, + 'scaron': 389, + 'scedilla': 389, + 'iacute': 278, + 'lozenge': 494, + 'Rcaron': 722, + 'Gcommaaccent': 778, + 'ucircumflex': 556, + 'acircumflex': 500, + 'Amacron': 722, + 'rcaron': 444, + 'ccedilla': 444, + 'Zdotaccent': 667, + 'Thorn': 611, + 'Omacron': 778, + 'Racute': 722, + 'Sacute': 556, + 'dcaron': 672, + 'Umacron': 722, + 'uring': 556, + 'threesuperior': 300, + 'Ograve': 778, + 'Agrave': 722, + 'Abreve': 722, + 'multiply': 570, + 'uacute': 556, + 'Tcaron': 667, + 'partialdiff': 494, + 'ydieresis': 500, + 'Nacute': 722, + 'icircumflex': 278, + 'Ecircumflex': 667, + 'adieresis': 500, + 'edieresis': 444, + 'cacute': 444, + 'nacute': 556, + 'umacron': 556, + 'Ncaron': 722, + 'Iacute': 389, + 'plusminus': 570, + 'brokenbar': 220, + 'registered': 747, + 'Gbreve': 778, + 'Idotaccent': 389, + 'summation': 600, + 'Egrave': 667, + 'racute': 444, + 'omacron': 500, + 'Zacute': 667, + 'Zcaron': 667, + 'greaterequal': 549, + 'Eth': 722, + 'Ccedilla': 722, + 'lcommaaccent': 278, + 'tcaron': 416, + 'eogonek': 444, + 'Uogonek': 722, + 'Aacute': 722, + 'Adieresis': 722, + 'egrave': 444, + 'zacute': 444, + 'iogonek': 278, + 'Oacute': 778, + 'oacute': 500, + 'amacron': 500, + 'sacute': 389, + 'idieresis': 278, + 'Ocircumflex': 778, + 'Ugrave': 722, + 'Delta': 612, + 'thorn': 556, + 'twosuperior': 300, + 'Odieresis': 778, + 'mu': 556, + 'igrave': 278, + 'ohungarumlaut': 500, + 'Eogonek': 667, + 'dcroat': 556, + 'threequarters': 750, + 'Scedilla': 556, + 'lcaron': 394, + 'Kcommaaccent': 778, + 'Lacute': 667, + 'trademark': 1000, + 'edotaccent': 444, + 'Igrave': 389, + 'Imacron': 389, + 'Lcaron': 667, + 'onehalf': 750, + 'lessequal': 549, + 'ocircumflex': 500, + 'ntilde': 556, + 'Uhungarumlaut': 722, + 'Eacute': 667, + 'emacron': 444, + 'gbreve': 500, + 'onequarter': 750, + 'Scaron': 556, + 'Scommaaccent': 556, + 'Ohungarumlaut': 778, + 'degree': 400, + 'ograve': 500, + 'Ccaron': 722, + 'ugrave': 556, + 'radical': 549, + 'Dcaron': 722, + 'rcommaaccent': 444, + 'Ntilde': 722, + 'otilde': 500, + 'Rcommaaccent': 722, + 'Lcommaaccent': 667, + 'Atilde': 722, + 'Aogonek': 722, + 'Aring': 722, + 'Otilde': 778, + 'zdotaccent': 444, + 'Ecaron': 667, + 'Iogonek': 389, + 'kcommaaccent': 556, + 'minus': 570, + 'Icircumflex': 389, + 'ncaron': 556, + 'tcommaaccent': 333, + 'logicalnot': 570, + 'odieresis': 500, + 'udieresis': 556, + 'notequal': 549, + 'gcommaaccent': 500, + 'eth': 500, + 'zcaron': 444, + 'ncommaaccent': 556, + 'onesuperior': 300, + 'imacron': 278, + 'Euro': 500 + }, + 'Times-BoldItalic': { + 'space': 250, + 'exclam': 389, + 'quotedbl': 555, + 'numbersign': 500, + 'dollar': 500, + 'percent': 833, + 'ampersand': 778, + 'quoteright': 333, + 'parenleft': 333, + 'parenright': 333, + 'asterisk': 500, + 'plus': 570, + 'comma': 250, + 'hyphen': 333, + 'period': 250, + 'slash': 278, + 'zero': 500, + 'one': 500, + 'two': 500, + 'three': 500, + 'four': 500, + 'five': 500, + 'six': 500, + 'seven': 500, + 'eight': 500, + 'nine': 500, + 'colon': 333, + 'semicolon': 333, + 'less': 570, + 'equal': 570, + 'greater': 570, + 'question': 500, + 'at': 832, + 'A': 667, + 'B': 667, + 'C': 667, + 'D': 722, + 'E': 667, + 'F': 667, + 'G': 722, + 'H': 778, + 'I': 389, + 'J': 500, + 'K': 667, + 'L': 611, + 'M': 889, + 'N': 722, + 'O': 722, + 'P': 611, + 'Q': 722, + 'R': 667, + 'S': 556, + 'T': 611, + 'U': 722, + 'V': 667, + 'W': 889, + 'X': 667, + 'Y': 611, + 'Z': 611, + 'bracketleft': 333, + 'backslash': 278, + 'bracketright': 333, + 'asciicircum': 570, + 'underscore': 500, + 'quoteleft': 333, + 'a': 500, + 'b': 500, + 'c': 444, + 'd': 500, + 'e': 444, + 'f': 333, + 'g': 500, + 'h': 556, + 'i': 278, + 'j': 278, + 'k': 500, + 'l': 278, + 'm': 778, + 'n': 556, + 'o': 500, + 'p': 500, + 'q': 500, + 'r': 389, + 's': 389, + 't': 278, + 'u': 556, + 'v': 444, + 'w': 667, + 'x': 500, + 'y': 444, + 'z': 389, + 'braceleft': 348, + 'bar': 220, + 'braceright': 348, + 'asciitilde': 570, + 'exclamdown': 389, + 'cent': 500, + 'sterling': 500, + 'fraction': 167, + 'yen': 500, + 'florin': 500, + 'section': 500, + 'currency': 500, + 'quotesingle': 278, + 'quotedblleft': 500, + 'guillemotleft': 500, + 'guilsinglleft': 333, + 'guilsinglright': 333, + 'fi': 556, + 'fl': 556, + 'endash': 500, + 'dagger': 500, + 'daggerdbl': 500, + 'periodcentered': 250, + 'paragraph': 500, + 'bullet': 350, + 'quotesinglbase': 333, + 'quotedblbase': 500, + 'quotedblright': 500, + 'guillemotright': 500, + 'ellipsis': 1000, + 'perthousand': 1000, + 'questiondown': 500, + 'grave': 333, + 'acute': 333, + 'circumflex': 333, + 'tilde': 333, + 'macron': 333, + 'breve': 333, + 'dotaccent': 333, + 'dieresis': 333, + 'ring': 333, + 'cedilla': 333, + 'hungarumlaut': 333, + 'ogonek': 333, + 'caron': 333, + 'emdash': 1000, + 'AE': 944, + 'ordfeminine': 266, + 'Lslash': 611, + 'Oslash': 722, + 'OE': 944, + 'ordmasculine': 300, + 'ae': 722, + 'dotlessi': 278, + 'lslash': 278, + 'oslash': 500, + 'oe': 722, + 'germandbls': 500, + 'Idieresis': 389, + 'eacute': 444, + 'abreve': 500, + 'uhungarumlaut': 556, + 'ecaron': 444, + 'Ydieresis': 611, + 'divide': 570, + 'Yacute': 611, + 'Acircumflex': 667, + 'aacute': 500, + 'Ucircumflex': 722, + 'yacute': 444, + 'scommaaccent': 389, + 'ecircumflex': 444, + 'Uring': 722, + 'Udieresis': 722, + 'aogonek': 500, + 'Uacute': 722, + 'uogonek': 556, + 'Edieresis': 667, + 'Dcroat': 722, + 'commaaccent': 250, + 'copyright': 747, + 'Emacron': 667, + 'ccaron': 444, + 'aring': 500, + 'Ncommaaccent': 722, + 'lacute': 278, + 'agrave': 500, + 'Tcommaaccent': 611, + 'Cacute': 667, + 'atilde': 500, + 'Edotaccent': 667, + 'scaron': 389, + 'scedilla': 389, + 'iacute': 278, + 'lozenge': 494, + 'Rcaron': 667, + 'Gcommaaccent': 722, + 'ucircumflex': 556, + 'acircumflex': 500, + 'Amacron': 667, + 'rcaron': 389, + 'ccedilla': 444, + 'Zdotaccent': 611, + 'Thorn': 611, + 'Omacron': 722, + 'Racute': 667, + 'Sacute': 556, + 'dcaron': 608, + 'Umacron': 722, + 'uring': 556, + 'threesuperior': 300, + 'Ograve': 722, + 'Agrave': 667, + 'Abreve': 667, + 'multiply': 570, + 'uacute': 556, + 'Tcaron': 611, + 'partialdiff': 494, + 'ydieresis': 444, + 'Nacute': 722, + 'icircumflex': 278, + 'Ecircumflex': 667, + 'adieresis': 500, + 'edieresis': 444, + 'cacute': 444, + 'nacute': 556, + 'umacron': 556, + 'Ncaron': 722, + 'Iacute': 389, + 'plusminus': 570, + 'brokenbar': 220, + 'registered': 747, + 'Gbreve': 722, + 'Idotaccent': 389, + 'summation': 600, + 'Egrave': 667, + 'racute': 389, + 'omacron': 500, + 'Zacute': 611, + 'Zcaron': 611, + 'greaterequal': 549, + 'Eth': 722, + 'Ccedilla': 667, + 'lcommaaccent': 278, + 'tcaron': 366, + 'eogonek': 444, + 'Uogonek': 722, + 'Aacute': 667, + 'Adieresis': 667, + 'egrave': 444, + 'zacute': 389, + 'iogonek': 278, + 'Oacute': 722, + 'oacute': 500, + 'amacron': 500, + 'sacute': 389, + 'idieresis': 278, + 'Ocircumflex': 722, + 'Ugrave': 722, + 'Delta': 612, + 'thorn': 500, + 'twosuperior': 300, + 'Odieresis': 722, + 'mu': 576, + 'igrave': 278, + 'ohungarumlaut': 500, + 'Eogonek': 667, + 'dcroat': 500, + 'threequarters': 750, + 'Scedilla': 556, + 'lcaron': 382, + 'Kcommaaccent': 667, + 'Lacute': 611, + 'trademark': 1000, + 'edotaccent': 444, + 'Igrave': 389, + 'Imacron': 389, + 'Lcaron': 611, + 'onehalf': 750, + 'lessequal': 549, + 'ocircumflex': 500, + 'ntilde': 556, + 'Uhungarumlaut': 722, + 'Eacute': 667, + 'emacron': 444, + 'gbreve': 500, + 'onequarter': 750, + 'Scaron': 556, + 'Scommaaccent': 556, + 'Ohungarumlaut': 722, + 'degree': 400, + 'ograve': 500, + 'Ccaron': 667, + 'ugrave': 556, + 'radical': 549, + 'Dcaron': 722, + 'rcommaaccent': 389, + 'Ntilde': 722, + 'otilde': 500, + 'Rcommaaccent': 667, + 'Lcommaaccent': 611, + 'Atilde': 667, + 'Aogonek': 667, + 'Aring': 667, + 'Otilde': 722, + 'zdotaccent': 389, + 'Ecaron': 667, + 'Iogonek': 389, + 'kcommaaccent': 500, + 'minus': 606, + 'Icircumflex': 389, + 'ncaron': 556, + 'tcommaaccent': 278, + 'logicalnot': 606, + 'odieresis': 500, + 'udieresis': 556, + 'notequal': 549, + 'gcommaaccent': 500, + 'eth': 500, + 'zcaron': 389, + 'ncommaaccent': 556, + 'onesuperior': 300, + 'imacron': 278, + 'Euro': 500 + }, + 'Times-Italic': { + 'space': 250, + 'exclam': 333, + 'quotedbl': 420, + 'numbersign': 500, + 'dollar': 500, + 'percent': 833, + 'ampersand': 778, + 'quoteright': 333, + 'parenleft': 333, + 'parenright': 333, + 'asterisk': 500, + 'plus': 675, + 'comma': 250, + 'hyphen': 333, + 'period': 250, + 'slash': 278, + 'zero': 500, + 'one': 500, + 'two': 500, + 'three': 500, + 'four': 500, + 'five': 500, + 'six': 500, + 'seven': 500, + 'eight': 500, + 'nine': 500, + 'colon': 333, + 'semicolon': 333, + 'less': 675, + 'equal': 675, + 'greater': 675, + 'question': 500, + 'at': 920, + 'A': 611, + 'B': 611, + 'C': 667, + 'D': 722, + 'E': 611, + 'F': 611, + 'G': 722, + 'H': 722, + 'I': 333, + 'J': 444, + 'K': 667, + 'L': 556, + 'M': 833, + 'N': 667, + 'O': 722, + 'P': 611, + 'Q': 722, + 'R': 611, + 'S': 500, + 'T': 556, + 'U': 722, + 'V': 611, + 'W': 833, + 'X': 611, + 'Y': 556, + 'Z': 556, + 'bracketleft': 389, + 'backslash': 278, + 'bracketright': 389, + 'asciicircum': 422, + 'underscore': 500, + 'quoteleft': 333, + 'a': 500, + 'b': 500, + 'c': 444, + 'd': 500, + 'e': 444, + 'f': 278, + 'g': 500, + 'h': 500, + 'i': 278, + 'j': 278, + 'k': 444, + 'l': 278, + 'm': 722, + 'n': 500, + 'o': 500, + 'p': 500, + 'q': 500, + 'r': 389, + 's': 389, + 't': 278, + 'u': 500, + 'v': 444, + 'w': 667, + 'x': 444, + 'y': 444, + 'z': 389, + 'braceleft': 400, + 'bar': 275, + 'braceright': 400, + 'asciitilde': 541, + 'exclamdown': 389, + 'cent': 500, + 'sterling': 500, + 'fraction': 167, + 'yen': 500, + 'florin': 500, + 'section': 500, + 'currency': 500, + 'quotesingle': 214, + 'quotedblleft': 556, + 'guillemotleft': 500, + 'guilsinglleft': 333, + 'guilsinglright': 333, + 'fi': 500, + 'fl': 500, + 'endash': 500, + 'dagger': 500, + 'daggerdbl': 500, + 'periodcentered': 250, + 'paragraph': 523, + 'bullet': 350, + 'quotesinglbase': 333, + 'quotedblbase': 556, + 'quotedblright': 556, + 'guillemotright': 500, + 'ellipsis': 889, + 'perthousand': 1000, + 'questiondown': 500, + 'grave': 333, + 'acute': 333, + 'circumflex': 333, + 'tilde': 333, + 'macron': 333, + 'breve': 333, + 'dotaccent': 333, + 'dieresis': 333, + 'ring': 333, + 'cedilla': 333, + 'hungarumlaut': 333, + 'ogonek': 333, + 'caron': 333, + 'emdash': 889, + 'AE': 889, + 'ordfeminine': 276, + 'Lslash': 556, + 'Oslash': 722, + 'OE': 944, + 'ordmasculine': 310, + 'ae': 667, + 'dotlessi': 278, + 'lslash': 278, + 'oslash': 500, + 'oe': 667, + 'germandbls': 500, + 'Idieresis': 333, + 'eacute': 444, + 'abreve': 500, + 'uhungarumlaut': 500, + 'ecaron': 444, + 'Ydieresis': 556, + 'divide': 675, + 'Yacute': 556, + 'Acircumflex': 611, + 'aacute': 500, + 'Ucircumflex': 722, + 'yacute': 444, + 'scommaaccent': 389, + 'ecircumflex': 444, + 'Uring': 722, + 'Udieresis': 722, + 'aogonek': 500, + 'Uacute': 722, + 'uogonek': 500, + 'Edieresis': 611, + 'Dcroat': 722, + 'commaaccent': 250, + 'copyright': 760, + 'Emacron': 611, + 'ccaron': 444, + 'aring': 500, + 'Ncommaaccent': 667, + 'lacute': 278, + 'agrave': 500, + 'Tcommaaccent': 556, + 'Cacute': 667, + 'atilde': 500, + 'Edotaccent': 611, + 'scaron': 389, + 'scedilla': 389, + 'iacute': 278, + 'lozenge': 471, + 'Rcaron': 611, + 'Gcommaaccent': 722, + 'ucircumflex': 500, + 'acircumflex': 500, + 'Amacron': 611, + 'rcaron': 389, + 'ccedilla': 444, + 'Zdotaccent': 556, + 'Thorn': 611, + 'Omacron': 722, + 'Racute': 611, + 'Sacute': 500, + 'dcaron': 544, + 'Umacron': 722, + 'uring': 500, + 'threesuperior': 300, + 'Ograve': 722, + 'Agrave': 611, + 'Abreve': 611, + 'multiply': 675, + 'uacute': 500, + 'Tcaron': 556, + 'partialdiff': 476, + 'ydieresis': 444, + 'Nacute': 667, + 'icircumflex': 278, + 'Ecircumflex': 611, + 'adieresis': 500, + 'edieresis': 444, + 'cacute': 444, + 'nacute': 500, + 'umacron': 500, + 'Ncaron': 667, + 'Iacute': 333, + 'plusminus': 675, + 'brokenbar': 275, + 'registered': 760, + 'Gbreve': 722, + 'Idotaccent': 333, + 'summation': 600, + 'Egrave': 611, + 'racute': 389, + 'omacron': 500, + 'Zacute': 556, + 'Zcaron': 556, + 'greaterequal': 549, + 'Eth': 722, + 'Ccedilla': 667, + 'lcommaaccent': 278, + 'tcaron': 300, + 'eogonek': 444, + 'Uogonek': 722, + 'Aacute': 611, + 'Adieresis': 611, + 'egrave': 444, + 'zacute': 389, + 'iogonek': 278, + 'Oacute': 722, + 'oacute': 500, + 'amacron': 500, + 'sacute': 389, + 'idieresis': 278, + 'Ocircumflex': 722, + 'Ugrave': 722, + 'Delta': 612, + 'thorn': 500, + 'twosuperior': 300, + 'Odieresis': 722, + 'mu': 500, + 'igrave': 278, + 'ohungarumlaut': 500, + 'Eogonek': 611, + 'dcroat': 500, + 'threequarters': 750, + 'Scedilla': 500, + 'lcaron': 300, + 'Kcommaaccent': 667, + 'Lacute': 556, + 'trademark': 980, + 'edotaccent': 444, + 'Igrave': 333, + 'Imacron': 333, + 'Lcaron': 611, + 'onehalf': 750, + 'lessequal': 549, + 'ocircumflex': 500, + 'ntilde': 500, + 'Uhungarumlaut': 722, + 'Eacute': 611, + 'emacron': 444, + 'gbreve': 500, + 'onequarter': 750, + 'Scaron': 500, + 'Scommaaccent': 500, + 'Ohungarumlaut': 722, + 'degree': 400, + 'ograve': 500, + 'Ccaron': 667, + 'ugrave': 500, + 'radical': 453, + 'Dcaron': 722, + 'rcommaaccent': 389, + 'Ntilde': 667, + 'otilde': 500, + 'Rcommaaccent': 611, + 'Lcommaaccent': 556, + 'Atilde': 611, + 'Aogonek': 611, + 'Aring': 611, + 'Otilde': 722, + 'zdotaccent': 389, + 'Ecaron': 611, + 'Iogonek': 333, + 'kcommaaccent': 444, + 'minus': 675, + 'Icircumflex': 333, + 'ncaron': 500, + 'tcommaaccent': 278, + 'logicalnot': 675, + 'odieresis': 500, + 'udieresis': 500, + 'notequal': 549, + 'gcommaaccent': 500, + 'eth': 500, + 'zcaron': 389, + 'ncommaaccent': 500, + 'onesuperior': 300, + 'imacron': 278, + 'Euro': 500 + }, + 'ZapfDingbats': { + 'space': 278, + 'a1': 974, + 'a2': 961, + 'a202': 974, + 'a3': 980, + 'a4': 719, + 'a5': 789, + 'a119': 790, + 'a118': 791, + 'a117': 690, + 'a11': 960, + 'a12': 939, + 'a13': 549, + 'a14': 855, + 'a15': 911, + 'a16': 933, + 'a105': 911, + 'a17': 945, + 'a18': 974, + 'a19': 755, + 'a20': 846, + 'a21': 762, + 'a22': 761, + 'a23': 571, + 'a24': 677, + 'a25': 763, + 'a26': 760, + 'a27': 759, + 'a28': 754, + 'a6': 494, + 'a7': 552, + 'a8': 537, + 'a9': 577, + 'a10': 692, + 'a29': 786, + 'a30': 788, + 'a31': 788, + 'a32': 790, + 'a33': 793, + 'a34': 794, + 'a35': 816, + 'a36': 823, + 'a37': 789, + 'a38': 841, + 'a39': 823, + 'a40': 833, + 'a41': 816, + 'a42': 831, + 'a43': 923, + 'a44': 744, + 'a45': 723, + 'a46': 749, + 'a47': 790, + 'a48': 792, + 'a49': 695, + 'a50': 776, + 'a51': 768, + 'a52': 792, + 'a53': 759, + 'a54': 707, + 'a55': 708, + 'a56': 682, + 'a57': 701, + 'a58': 826, + 'a59': 815, + 'a60': 789, + 'a61': 789, + 'a62': 707, + 'a63': 687, + 'a64': 696, + 'a65': 689, + 'a66': 786, + 'a67': 787, + 'a68': 713, + 'a69': 791, + 'a70': 785, + 'a71': 791, + 'a72': 873, + 'a73': 761, + 'a74': 762, + 'a203': 762, + 'a75': 759, + 'a204': 759, + 'a76': 892, + 'a77': 892, + 'a78': 788, + 'a79': 784, + 'a81': 438, + 'a82': 138, + 'a83': 277, + 'a84': 415, + 'a97': 392, + 'a98': 392, + 'a99': 668, + 'a100': 668, + 'a89': 390, + 'a90': 390, + 'a93': 317, + 'a94': 317, + 'a91': 276, + 'a92': 276, + 'a205': 509, + 'a85': 509, + 'a206': 410, + 'a86': 410, + 'a87': 234, + 'a88': 234, + 'a95': 334, + 'a96': 334, + 'a101': 732, + 'a102': 544, + 'a103': 544, + 'a104': 910, + 'a106': 667, + 'a107': 760, + 'a108': 760, + 'a112': 776, + 'a111': 595, + 'a110': 694, + 'a109': 626, + 'a120': 788, + 'a121': 788, + 'a122': 788, + 'a123': 788, + 'a124': 788, + 'a125': 788, + 'a126': 788, + 'a127': 788, + 'a128': 788, + 'a129': 788, + 'a130': 788, + 'a131': 788, + 'a132': 788, + 'a133': 788, + 'a134': 788, + 'a135': 788, + 'a136': 788, + 'a137': 788, + 'a138': 788, + 'a139': 788, + 'a140': 788, + 'a141': 788, + 'a142': 788, + 'a143': 788, + 'a144': 788, + 'a145': 788, + 'a146': 788, + 'a147': 788, + 'a148': 788, + 'a149': 788, + 'a150': 788, + 'a151': 788, + 'a152': 788, + 'a153': 788, + 'a154': 788, + 'a155': 788, + 'a156': 788, + 'a157': 788, + 'a158': 788, + 'a159': 788, + 'a160': 894, + 'a161': 838, + 'a163': 1016, + 'a164': 458, + 'a196': 748, + 'a165': 924, + 'a192': 748, + 'a166': 918, + 'a167': 927, + 'a168': 928, + 'a169': 928, + 'a170': 834, + 'a171': 873, + 'a172': 828, + 'a173': 924, + 'a162': 924, + 'a174': 917, + 'a175': 930, + 'a176': 931, + 'a177': 463, + 'a178': 883, + 'a179': 836, + 'a193': 836, + 'a180': 867, + 'a199': 867, + 'a181': 696, + 'a200': 696, + 'a182': 874, + 'a201': 874, + 'a183': 760, + 'a184': 946, + 'a197': 771, + 'a185': 865, + 'a194': 771, + 'a198': 888, + 'a186': 967, + 'a195': 888, + 'a187': 831, + 'a188': 873, + 'a189': 927, + 'a190': 970, + 'a191': 918 + } +}; + +exports.Metrics = Metrics; +})); + + + + +var NetworkManager = (function NetworkManagerClosure() { + + var OK_RESPONSE = 200; + var PARTIAL_CONTENT_RESPONSE = 206; + + function NetworkManager(url, args) { + this.url = url; + args = args || {}; + this.isHttp = /^https?:/i.test(url); + this.httpHeaders = (this.isHttp && args.httpHeaders) || {}; + this.withCredentials = args.withCredentials || false; + this.getXhr = args.getXhr || + function NetworkManager_getXhr() { + return new XMLHttpRequest(); + }; + + this.currXhrId = 0; + this.pendingRequests = {}; + this.loadedRequests = {}; + } + + function getArrayBuffer(xhr) { + var data = xhr.response; + if (typeof data !== 'string') { + return data; + } + var length = data.length; + var array = new Uint8Array(length); + for (var i = 0; i < length; i++) { + array[i] = data.charCodeAt(i) & 0xFF; + } + return array.buffer; + } + + var supportsMozChunked = (function supportsMozChunkedClosure() { + try { + var x = new XMLHttpRequest(); + // Firefox 37- required .open() to be called before setting responseType. + // https://bugzilla.mozilla.org/show_bug.cgi?id=707484 + // Even though the URL is not visited, .open() could fail if the URL is + // blocked, e.g. via the connect-src CSP directive or the NoScript addon. + // When this error occurs, this feature detection method will mistakenly + // report that moz-chunked-arraybuffer is not supported in Firefox 37-. + x.open('GET', 'https://example.com'); + x.responseType = 'moz-chunked-arraybuffer'; + return x.responseType === 'moz-chunked-arraybuffer'; + } catch (e) { + return false; + } + })(); + + NetworkManager.prototype = { + requestRange: function NetworkManager_requestRange(begin, end, listeners) { + var args = { + begin: begin, + end: end + }; + for (var prop in listeners) { + args[prop] = listeners[prop]; + } + return this.request(args); + }, + + requestFull: function NetworkManager_requestFull(listeners) { + return this.request(listeners); + }, + + request: function NetworkManager_request(args) { + var xhr = this.getXhr(); + var xhrId = this.currXhrId++; + var pendingRequest = this.pendingRequests[xhrId] = { + xhr: xhr + }; + + xhr.open('GET', this.url); + xhr.withCredentials = this.withCredentials; + for (var property in this.httpHeaders) { + var value = this.httpHeaders[property]; + if (typeof value === 'undefined') { + continue; + } + xhr.setRequestHeader(property, value); + } + if (this.isHttp && 'begin' in args && 'end' in args) { + var rangeStr = args.begin + '-' + (args.end - 1); + xhr.setRequestHeader('Range', 'bytes=' + rangeStr); + pendingRequest.expectedStatus = 206; + } else { + pendingRequest.expectedStatus = 200; + } + + var useMozChunkedLoading = supportsMozChunked && !!args.onProgressiveData; + if (useMozChunkedLoading) { + xhr.responseType = 'moz-chunked-arraybuffer'; + pendingRequest.onProgressiveData = args.onProgressiveData; + pendingRequest.mozChunked = true; + } else { + xhr.responseType = 'arraybuffer'; + } + + if (args.onError) { + xhr.onerror = function(evt) { + args.onError(xhr.status); + }; + } + xhr.onreadystatechange = this.onStateChange.bind(this, xhrId); + xhr.onprogress = this.onProgress.bind(this, xhrId); + + pendingRequest.onHeadersReceived = args.onHeadersReceived; + pendingRequest.onDone = args.onDone; + pendingRequest.onError = args.onError; + pendingRequest.onProgress = args.onProgress; + + xhr.send(null); + + return xhrId; + }, + + onProgress: function NetworkManager_onProgress(xhrId, evt) { + var pendingRequest = this.pendingRequests[xhrId]; + if (!pendingRequest) { + // Maybe abortRequest was called... + return; + } + + if (pendingRequest.mozChunked) { + var chunk = getArrayBuffer(pendingRequest.xhr); + pendingRequest.onProgressiveData(chunk); + } + + var onProgress = pendingRequest.onProgress; + if (onProgress) { + onProgress(evt); + } + }, + + onStateChange: function NetworkManager_onStateChange(xhrId, evt) { + var pendingRequest = this.pendingRequests[xhrId]; + if (!pendingRequest) { + // Maybe abortRequest was called... + return; + } + + var xhr = pendingRequest.xhr; + if (xhr.readyState >= 2 && pendingRequest.onHeadersReceived) { + pendingRequest.onHeadersReceived(); + delete pendingRequest.onHeadersReceived; + } + + if (xhr.readyState !== 4) { + return; + } + + if (!(xhrId in this.pendingRequests)) { + // The XHR request might have been aborted in onHeadersReceived() + // callback, in which case we should abort request + return; + } + + delete this.pendingRequests[xhrId]; + + // success status == 0 can be on ftp, file and other protocols + if (xhr.status === 0 && this.isHttp) { + if (pendingRequest.onError) { + pendingRequest.onError(xhr.status); + } + return; + } + var xhrStatus = xhr.status || OK_RESPONSE; + + // From http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.35.2: + // "A server MAY ignore the Range header". This means it's possible to + // get a 200 rather than a 206 response from a range request. + var ok_response_on_range_request = + xhrStatus === OK_RESPONSE && + pendingRequest.expectedStatus === PARTIAL_CONTENT_RESPONSE; + + if (!ok_response_on_range_request && + xhrStatus !== pendingRequest.expectedStatus) { + if (pendingRequest.onError) { + pendingRequest.onError(xhr.status); + } + return; + } + + this.loadedRequests[xhrId] = true; + + var chunk = getArrayBuffer(xhr); + if (xhrStatus === PARTIAL_CONTENT_RESPONSE) { + var rangeHeader = xhr.getResponseHeader('Content-Range'); + var matches = /bytes (\d+)-(\d+)\/(\d+)/.exec(rangeHeader); + var begin = parseInt(matches[1], 10); + pendingRequest.onDone({ + begin: begin, + chunk: chunk + }); + } else if (pendingRequest.onProgressiveData) { + pendingRequest.onDone(null); + } else if (chunk) { + pendingRequest.onDone({ + begin: 0, + chunk: chunk + }); + } else if (pendingRequest.onError) { + pendingRequest.onError(xhr.status); + } + }, + + hasPendingRequests: function NetworkManager_hasPendingRequests() { + for (var xhrId in this.pendingRequests) { + return true; + } + return false; + }, + + getRequestXhr: function NetworkManager_getXhr(xhrId) { + return this.pendingRequests[xhrId].xhr; + }, + + isStreamingRequest: function NetworkManager_isStreamingRequest(xhrId) { + return !!(this.pendingRequests[xhrId].onProgressiveData); + }, + + isPendingRequest: function NetworkManager_isPendingRequest(xhrId) { + return xhrId in this.pendingRequests; + }, + + isLoadedRequest: function NetworkManager_isLoadedRequest(xhrId) { + return xhrId in this.loadedRequests; + }, + + abortAllRequests: function NetworkManager_abortAllRequests() { + for (var xhrId in this.pendingRequests) { + this.abortRequest(xhrId | 0); + } + }, + + abortRequest: function NetworkManager_abortRequest(xhrId) { + var xhr = this.pendingRequests[xhrId].xhr; + delete this.pendingRequests[xhrId]; + xhr.abort(); + } + }; + + return NetworkManager; +})(); + +(function (root, factory) { + { + factory((root.pdfjsCoreNetwork = {})); + } +}(this, function (exports) { + exports.NetworkManager = NetworkManager; +})); + + +(function (root, factory) { + { + factory((root.pdfjsSharedGlobal = {})); + } +}(this, function (exports) { + + var globalScope = (typeof window !== 'undefined') ? window : + (typeof global !== 'undefined') ? global : + (typeof self !== 'undefined') ? self : this; + + var isWorker = (typeof window === 'undefined'); + + // The global PDFJS object exposes the API + // In production, it will be declared outside a global wrapper + // In development, it will be declared here + if (!globalScope.PDFJS) { + globalScope.PDFJS = {}; + } + + if (typeof pdfjsVersion !== 'undefined') { + globalScope.PDFJS.version = pdfjsVersion; + } + if (typeof pdfjsVersion !== 'undefined') { + globalScope.PDFJS.build = pdfjsBuild; + } + + globalScope.PDFJS.pdfBug = false; + + exports.globalScope = globalScope; + exports.isWorker = isWorker; + exports.PDFJS = globalScope.PDFJS; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreBidi = {}), root.pdfjsSharedGlobal); + } +}(this, function (exports, sharedGlobal) { + +var PDFJS = sharedGlobal.PDFJS; + +var bidi = PDFJS.bidi = (function bidiClosure() { + // Character types for symbols from 0000 to 00FF. + var baseTypes = [ + 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'S', 'B', 'S', 'WS', + 'B', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', + 'BN', 'BN', 'B', 'B', 'B', 'S', 'WS', 'ON', 'ON', 'ET', 'ET', 'ET', 'ON', + 'ON', 'ON', 'ON', 'ON', 'ON', 'CS', 'ON', 'CS', 'ON', 'EN', 'EN', 'EN', + 'EN', 'EN', 'EN', 'EN', 'EN', 'EN', 'EN', 'ON', 'ON', 'ON', 'ON', 'ON', + 'ON', 'ON', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', + 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'ON', 'ON', + 'ON', 'ON', 'ON', 'ON', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', + 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', + 'L', 'ON', 'ON', 'ON', 'ON', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'B', 'BN', + 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', + 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', + 'BN', 'CS', 'ON', 'ET', 'ET', 'ET', 'ET', 'ON', 'ON', 'ON', 'ON', 'L', 'ON', + 'ON', 'ON', 'ON', 'ON', 'ET', 'ET', 'EN', 'EN', 'ON', 'L', 'ON', 'ON', 'ON', + 'EN', 'L', 'ON', 'ON', 'ON', 'ON', 'ON', 'L', 'L', 'L', 'L', 'L', 'L', 'L', + 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', + 'L', 'ON', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', + 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', + 'L', 'L', 'L', 'ON', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L' + ]; + + // Character types for symbols from 0600 to 06FF + var arabicTypes = [ + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'CS', 'AL', 'ON', 'ON', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', + 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AN', 'AN', 'AN', 'AN', 'AN', 'AN', 'AN', 'AN', 'AN', + 'AN', 'ET', 'AN', 'AN', 'AL', 'AL', 'AL', 'NSM', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', + 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'ON', 'NSM', + 'NSM', 'NSM', 'NSM', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL' + ]; + + function isOdd(i) { + return (i & 1) !== 0; + } + + function isEven(i) { + return (i & 1) === 0; + } + + function findUnequal(arr, start, value) { + for (var j = start, jj = arr.length; j < jj; ++j) { + if (arr[j] !== value) { + return j; + } + } + return j; + } + + function setValues(arr, start, end, value) { + for (var j = start; j < end; ++j) { + arr[j] = value; + } + } + + function reverseValues(arr, start, end) { + for (var i = start, j = end - 1; i < j; ++i, --j) { + var temp = arr[i]; + arr[i] = arr[j]; + arr[j] = temp; + } + } + + function createBidiText(str, isLTR, vertical) { + return { + str: str, + dir: (vertical ? 'ttb' : (isLTR ? 'ltr' : 'rtl')) + }; + } + + // These are used in bidi(), which is called frequently. We re-use them on + // each call to avoid unnecessary allocations. + var chars = []; + var types = []; + + function bidi(str, startLevel, vertical) { + var isLTR = true; + var strLength = str.length; + if (strLength === 0 || vertical) { + return createBidiText(str, isLTR, vertical); + } + + // Get types and fill arrays + chars.length = strLength; + types.length = strLength; + var numBidi = 0; + + var i, ii; + for (i = 0; i < strLength; ++i) { + chars[i] = str.charAt(i); + + var charCode = str.charCodeAt(i); + var charType = 'L'; + if (charCode <= 0x00ff) { + charType = baseTypes[charCode]; + } else if (0x0590 <= charCode && charCode <= 0x05f4) { + charType = 'R'; + } else if (0x0600 <= charCode && charCode <= 0x06ff) { + charType = arabicTypes[charCode & 0xff]; + } else if (0x0700 <= charCode && charCode <= 0x08AC) { + charType = 'AL'; + } + if (charType === 'R' || charType === 'AL' || charType === 'AN') { + numBidi++; + } + types[i] = charType; + } + + // Detect the bidi method + // - If there are no rtl characters then no bidi needed + // - If less than 30% chars are rtl then string is primarily ltr + // - If more than 30% chars are rtl then string is primarily rtl + if (numBidi === 0) { + isLTR = true; + return createBidiText(str, isLTR); + } + + if (startLevel === -1) { + if ((strLength / numBidi) < 0.3) { + isLTR = true; + startLevel = 0; + } else { + isLTR = false; + startLevel = 1; + } + } + + var levels = []; + for (i = 0; i < strLength; ++i) { + levels[i] = startLevel; + } + + /* + X1-X10: skip most of this, since we are NOT doing the embeddings. + */ + var e = (isOdd(startLevel) ? 'R' : 'L'); + var sor = e; + var eor = sor; + + /* + W1. Examine each non-spacing mark (NSM) in the level run, and change the + type of the NSM to the type of the previous character. If the NSM is at the + start of the level run, it will get the type of sor. + */ + var lastType = sor; + for (i = 0; i < strLength; ++i) { + if (types[i] === 'NSM') { + types[i] = lastType; + } else { + lastType = types[i]; + } + } + + /* + W2. Search backwards from each instance of a European number until the + first strong type (R, L, AL, or sor) is found. If an AL is found, change + the type of the European number to Arabic number. + */ + lastType = sor; + var t; + for (i = 0; i < strLength; ++i) { + t = types[i]; + if (t === 'EN') { + types[i] = (lastType === 'AL') ? 'AN' : 'EN'; + } else if (t === 'R' || t === 'L' || t === 'AL') { + lastType = t; + } + } + + /* + W3. Change all ALs to R. + */ + for (i = 0; i < strLength; ++i) { + t = types[i]; + if (t === 'AL') { + types[i] = 'R'; + } + } + + /* + W4. A single European separator between two European numbers changes to a + European number. A single common separator between two numbers of the same + type changes to that type: + */ + for (i = 1; i < strLength - 1; ++i) { + if (types[i] === 'ES' && types[i - 1] === 'EN' && types[i + 1] === 'EN') { + types[i] = 'EN'; + } + if (types[i] === 'CS' && + (types[i - 1] === 'EN' || types[i - 1] === 'AN') && + types[i + 1] === types[i - 1]) { + types[i] = types[i - 1]; + } + } + + /* + W5. A sequence of European terminators adjacent to European numbers changes + to all European numbers: + */ + for (i = 0; i < strLength; ++i) { + if (types[i] === 'EN') { + // do before + var j; + for (j = i - 1; j >= 0; --j) { + if (types[j] !== 'ET') { + break; + } + types[j] = 'EN'; + } + // do after + for (j = i + 1; j < strLength; --j) { + if (types[j] !== 'ET') { + break; + } + types[j] = 'EN'; + } + } + } + + /* + W6. Otherwise, separators and terminators change to Other Neutral: + */ + for (i = 0; i < strLength; ++i) { + t = types[i]; + if (t === 'WS' || t === 'ES' || t === 'ET' || t === 'CS') { + types[i] = 'ON'; + } + } + + /* + W7. Search backwards from each instance of a European number until the + first strong type (R, L, or sor) is found. If an L is found, then change + the type of the European number to L. + */ + lastType = sor; + for (i = 0; i < strLength; ++i) { + t = types[i]; + if (t === 'EN') { + types[i] = ((lastType === 'L') ? 'L' : 'EN'); + } else if (t === 'R' || t === 'L') { + lastType = t; + } + } + + /* + N1. A sequence of neutrals takes the direction of the surrounding strong + text if the text on both sides has the same direction. European and Arabic + numbers are treated as though they were R. Start-of-level-run (sor) and + end-of-level-run (eor) are used at level run boundaries. + */ + for (i = 0; i < strLength; ++i) { + if (types[i] === 'ON') { + var end = findUnequal(types, i + 1, 'ON'); + var before = sor; + if (i > 0) { + before = types[i - 1]; + } + + var after = eor; + if (end + 1 < strLength) { + after = types[end + 1]; + } + if (before !== 'L') { + before = 'R'; + } + if (after !== 'L') { + after = 'R'; + } + if (before === after) { + setValues(types, i, end, before); + } + i = end - 1; // reset to end (-1 so next iteration is ok) + } + } + + /* + N2. Any remaining neutrals take the embedding direction. + */ + for (i = 0; i < strLength; ++i) { + if (types[i] === 'ON') { + types[i] = e; + } + } + + /* + I1. For all characters with an even (left-to-right) embedding direction, + those of type R go up one level and those of type AN or EN go up two + levels. + I2. For all characters with an odd (right-to-left) embedding direction, + those of type L, EN or AN go up one level. + */ + for (i = 0; i < strLength; ++i) { + t = types[i]; + if (isEven(levels[i])) { + if (t === 'R') { + levels[i] += 1; + } else if (t === 'AN' || t === 'EN') { + levels[i] += 2; + } + } else { // isOdd + if (t === 'L' || t === 'AN' || t === 'EN') { + levels[i] += 1; + } + } + } + + /* + L1. On each line, reset the embedding level of the following characters to + the paragraph embedding level: + + segment separators, + paragraph separators, + any sequence of whitespace characters preceding a segment separator or + paragraph separator, and any sequence of white space characters at the end + of the line. + */ + + // don't bother as text is only single line + + /* + L2. From the highest level found in the text to the lowest odd level on + each line, reverse any contiguous sequence of characters that are at that + level or higher. + */ + + // find highest level & lowest odd level + var highestLevel = -1; + var lowestOddLevel = 99; + var level; + for (i = 0, ii = levels.length; i < ii; ++i) { + level = levels[i]; + if (highestLevel < level) { + highestLevel = level; + } + if (lowestOddLevel > level && isOdd(level)) { + lowestOddLevel = level; + } + } + + // now reverse between those limits + for (level = highestLevel; level >= lowestOddLevel; --level) { + // find segments to reverse + var start = -1; + for (i = 0, ii = levels.length; i < ii; ++i) { + if (levels[i] < level) { + if (start >= 0) { + reverseValues(chars, start, i); + start = -1; + } + } else if (start < 0) { + start = i; + } + } + if (start >= 0) { + reverseValues(chars, start, levels.length); + } + } + + /* + L3. Combining marks applied to a right-to-left base character will at this + point precede their base character. If the rendering engine expects them to + follow the base characters in the final display process, then the ordering + of the marks and the base character must be reversed. + */ + + // don't bother for now + + /* + L4. A character that possesses the mirrored property as specified by + Section 4.7, Mirrored, must be depicted by a mirrored glyph if the resolved + directionality of that character is R. + */ + + // don't mirror as characters are already mirrored in the pdf + + // Finally, return string + for (i = 0, ii = chars.length; i < ii; ++i) { + var ch = chars[i]; + if (ch === '<' || ch === '>') { + chars[i] = ''; + } + } + return createBidiText(chars.join(''), isLTR); + } + + return bidi; +})(); + +exports.bidi = bidi; +})); + + +(function (root, factory) { + { + factory((root.pdfjsSharedUtil = {}), root.pdfjsSharedGlobal); + } +}(this, function (exports, sharedGlobal) { + +var PDFJS = sharedGlobal.PDFJS; +var globalScope = sharedGlobal.globalScope; + +var FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0]; + +var TextRenderingMode = { + FILL: 0, + STROKE: 1, + FILL_STROKE: 2, + INVISIBLE: 3, + FILL_ADD_TO_PATH: 4, + STROKE_ADD_TO_PATH: 5, + FILL_STROKE_ADD_TO_PATH: 6, + ADD_TO_PATH: 7, + FILL_STROKE_MASK: 3, + ADD_TO_PATH_FLAG: 4 +}; + +var ImageKind = { + GRAYSCALE_1BPP: 1, + RGB_24BPP: 2, + RGBA_32BPP: 3 +}; + +var AnnotationType = { + TEXT: 1, + LINK: 2, + FREETEXT: 3, + LINE: 4, + SQUARE: 5, + CIRCLE: 6, + POLYGON: 7, + POLYLINE: 8, + HIGHLIGHT: 9, + UNDERLINE: 10, + SQUIGGLY: 11, + STRIKEOUT: 12, + STAMP: 13, + CARET: 14, + INK: 15, + POPUP: 16, + FILEATTACHMENT: 17, + SOUND: 18, + MOVIE: 19, + WIDGET: 20, + SCREEN: 21, + PRINTERMARK: 22, + TRAPNET: 23, + WATERMARK: 24, + THREED: 25, + REDACT: 26 +}; + +var AnnotationFlag = { + INVISIBLE: 0x01, + HIDDEN: 0x02, + PRINT: 0x04, + NOZOOM: 0x08, + NOROTATE: 0x10, + NOVIEW: 0x20, + READONLY: 0x40, + LOCKED: 0x80, + TOGGLENOVIEW: 0x100, + LOCKEDCONTENTS: 0x200 +}; + +var AnnotationBorderStyleType = { + SOLID: 1, + DASHED: 2, + BEVELED: 3, + INSET: 4, + UNDERLINE: 5 +}; + +var StreamType = { + UNKNOWN: 0, + FLATE: 1, + LZW: 2, + DCT: 3, + JPX: 4, + JBIG: 5, + A85: 6, + AHX: 7, + CCF: 8, + RL: 9 +}; + +var FontType = { + UNKNOWN: 0, + TYPE1: 1, + TYPE1C: 2, + CIDFONTTYPE0: 3, + CIDFONTTYPE0C: 4, + TRUETYPE: 5, + CIDFONTTYPE2: 6, + TYPE3: 7, + OPENTYPE: 8, + TYPE0: 9, + MMTYPE1: 10 +}; + +PDFJS.VERBOSITY_LEVELS = { + errors: 0, + warnings: 1, + infos: 5 +}; + +// All the possible operations for an operator list. +var OPS = PDFJS.OPS = { + // Intentionally start from 1 so it is easy to spot bad operators that will be + // 0's. + dependency: 1, + setLineWidth: 2, + setLineCap: 3, + setLineJoin: 4, + setMiterLimit: 5, + setDash: 6, + setRenderingIntent: 7, + setFlatness: 8, + setGState: 9, + save: 10, + restore: 11, + transform: 12, + moveTo: 13, + lineTo: 14, + curveTo: 15, + curveTo2: 16, + curveTo3: 17, + closePath: 18, + rectangle: 19, + stroke: 20, + closeStroke: 21, + fill: 22, + eoFill: 23, + fillStroke: 24, + eoFillStroke: 25, + closeFillStroke: 26, + closeEOFillStroke: 27, + endPath: 28, + clip: 29, + eoClip: 30, + beginText: 31, + endText: 32, + setCharSpacing: 33, + setWordSpacing: 34, + setHScale: 35, + setLeading: 36, + setFont: 37, + setTextRenderingMode: 38, + setTextRise: 39, + moveText: 40, + setLeadingMoveText: 41, + setTextMatrix: 42, + nextLine: 43, + showText: 44, + showSpacedText: 45, + nextLineShowText: 46, + nextLineSetSpacingShowText: 47, + setCharWidth: 48, + setCharWidthAndBounds: 49, + setStrokeColorSpace: 50, + setFillColorSpace: 51, + setStrokeColor: 52, + setStrokeColorN: 53, + setFillColor: 54, + setFillColorN: 55, + setStrokeGray: 56, + setFillGray: 57, + setStrokeRGBColor: 58, + setFillRGBColor: 59, + setStrokeCMYKColor: 60, + setFillCMYKColor: 61, + shadingFill: 62, + beginInlineImage: 63, + beginImageData: 64, + endInlineImage: 65, + paintXObject: 66, + markPoint: 67, + markPointProps: 68, + beginMarkedContent: 69, + beginMarkedContentProps: 70, + endMarkedContent: 71, + beginCompat: 72, + endCompat: 73, + paintFormXObjectBegin: 74, + paintFormXObjectEnd: 75, + beginGroup: 76, + endGroup: 77, + beginAnnotations: 78, + endAnnotations: 79, + beginAnnotation: 80, + endAnnotation: 81, + paintJpegXObject: 82, + paintImageMaskXObject: 83, + paintImageMaskXObjectGroup: 84, + paintImageXObject: 85, + paintInlineImageXObject: 86, + paintInlineImageXObjectGroup: 87, + paintImageXObjectRepeat: 88, + paintImageMaskXObjectRepeat: 89, + paintSolidColorImageMask: 90, + constructPath: 91 +}; + +// A notice for devs. These are good for things that are helpful to devs, such +// as warning that Workers were disabled, which is important to devs but not +// end users. +function info(msg) { + if (PDFJS.verbosity >= PDFJS.VERBOSITY_LEVELS.infos) { + console.log('Info: ' + msg); + } +} + +// Non-fatal warnings. +function warn(msg) { + if (PDFJS.verbosity >= PDFJS.VERBOSITY_LEVELS.warnings) { + console.log('Warning: ' + msg); + } +} + +// Deprecated API function -- treated as warnings. +function deprecated(details) { + warn('Deprecated API usage: ' + details); +} + +// Fatal errors that should trigger the fallback UI and halt execution by +// throwing an exception. +function error(msg) { + if (PDFJS.verbosity >= PDFJS.VERBOSITY_LEVELS.errors) { + console.log('Error: ' + msg); + console.log(backtrace()); + } + throw new Error(msg); +} + +function backtrace() { + try { + throw new Error(); + } catch (e) { + return e.stack ? e.stack.split('\n').slice(2).join('\n') : ''; + } +} + +function assert(cond, msg) { + if (!cond) { + error(msg); + } +} + +var UNSUPPORTED_FEATURES = PDFJS.UNSUPPORTED_FEATURES = { + unknown: 'unknown', + forms: 'forms', + javaScript: 'javaScript', + smask: 'smask', + shadingPattern: 'shadingPattern', + font: 'font' +}; + +// Combines two URLs. The baseUrl shall be absolute URL. If the url is an +// absolute URL, it will be returned as is. +function combineUrl(baseUrl, url) { + if (!url) { + return baseUrl; + } + return new URL(url, baseUrl).href; +} + +// Validates if URL is safe and allowed, e.g. to avoid XSS. +function isValidUrl(url, allowRelative) { + if (!url) { + return false; + } + // RFC 3986 (http://tools.ietf.org/html/rfc3986#section-3.1) + // scheme = ALPHA *( ALPHA / DIGIT / "+" / "-" / "." ) + var protocol = /^[a-z][a-z0-9+\-.]*(?=:)/i.exec(url); + if (!protocol) { + return allowRelative; + } + protocol = protocol[0].toLowerCase(); + switch (protocol) { + case 'http': + case 'https': + case 'ftp': + case 'mailto': + case 'tel': + return true; + default: + return false; + } +} +PDFJS.isValidUrl = isValidUrl; + +/** + * Adds various attributes (href, title, target, rel) to hyperlinks. + * @param {HTMLLinkElement} link - The link element. + * @param {Object} params - An object with the properties: + * @param {string} params.url - An absolute URL. + */ +function addLinkAttributes(link, params) { + var url = params && params.url; + link.href = link.title = (url ? removeNullCharacters(url) : ''); + + if (url) { + if (isExternalLinkTargetSet()) { + link.target = LinkTargetStringMap[PDFJS.externalLinkTarget]; + } + // Strip referrer from the URL. + link.rel = PDFJS.externalLinkRel; + } +} +PDFJS.addLinkAttributes = addLinkAttributes; + +function shadow(obj, prop, value) { + Object.defineProperty(obj, prop, { value: value, + enumerable: true, + configurable: true, + writable: false }); + return value; +} +PDFJS.shadow = shadow; + +var LinkTarget = PDFJS.LinkTarget = { + NONE: 0, // Default value. + SELF: 1, + BLANK: 2, + PARENT: 3, + TOP: 4, +}; +var LinkTargetStringMap = [ + '', + '_self', + '_blank', + '_parent', + '_top' +]; + +function isExternalLinkTargetSet() { + if (PDFJS.openExternalLinksInNewWindow) { + deprecated('PDFJS.openExternalLinksInNewWindow, please use ' + + '"PDFJS.externalLinkTarget = PDFJS.LinkTarget.BLANK" instead.'); + if (PDFJS.externalLinkTarget === LinkTarget.NONE) { + PDFJS.externalLinkTarget = LinkTarget.BLANK; + } + // Reset the deprecated parameter, to suppress further warnings. + PDFJS.openExternalLinksInNewWindow = false; + } + switch (PDFJS.externalLinkTarget) { + case LinkTarget.NONE: + return false; + case LinkTarget.SELF: + case LinkTarget.BLANK: + case LinkTarget.PARENT: + case LinkTarget.TOP: + return true; + } + warn('PDFJS.externalLinkTarget is invalid: ' + PDFJS.externalLinkTarget); + // Reset the external link target, to suppress further warnings. + PDFJS.externalLinkTarget = LinkTarget.NONE; + return false; +} +PDFJS.isExternalLinkTargetSet = isExternalLinkTargetSet; + +var PasswordResponses = PDFJS.PasswordResponses = { + NEED_PASSWORD: 1, + INCORRECT_PASSWORD: 2 +}; + +var PasswordException = (function PasswordExceptionClosure() { + function PasswordException(msg, code) { + this.name = 'PasswordException'; + this.message = msg; + this.code = code; + } + + PasswordException.prototype = new Error(); + PasswordException.constructor = PasswordException; + + return PasswordException; +})(); +PDFJS.PasswordException = PasswordException; + +var UnknownErrorException = (function UnknownErrorExceptionClosure() { + function UnknownErrorException(msg, details) { + this.name = 'UnknownErrorException'; + this.message = msg; + this.details = details; + } + + UnknownErrorException.prototype = new Error(); + UnknownErrorException.constructor = UnknownErrorException; + + return UnknownErrorException; +})(); +PDFJS.UnknownErrorException = UnknownErrorException; + +var InvalidPDFException = (function InvalidPDFExceptionClosure() { + function InvalidPDFException(msg) { + this.name = 'InvalidPDFException'; + this.message = msg; + } + + InvalidPDFException.prototype = new Error(); + InvalidPDFException.constructor = InvalidPDFException; + + return InvalidPDFException; +})(); +PDFJS.InvalidPDFException = InvalidPDFException; + +var MissingPDFException = (function MissingPDFExceptionClosure() { + function MissingPDFException(msg) { + this.name = 'MissingPDFException'; + this.message = msg; + } + + MissingPDFException.prototype = new Error(); + MissingPDFException.constructor = MissingPDFException; + + return MissingPDFException; +})(); +PDFJS.MissingPDFException = MissingPDFException; + +var UnexpectedResponseException = + (function UnexpectedResponseExceptionClosure() { + function UnexpectedResponseException(msg, status) { + this.name = 'UnexpectedResponseException'; + this.message = msg; + this.status = status; + } + + UnexpectedResponseException.prototype = new Error(); + UnexpectedResponseException.constructor = UnexpectedResponseException; + + return UnexpectedResponseException; +})(); +PDFJS.UnexpectedResponseException = UnexpectedResponseException; + +var NotImplementedException = (function NotImplementedExceptionClosure() { + function NotImplementedException(msg) { + this.message = msg; + } + + NotImplementedException.prototype = new Error(); + NotImplementedException.prototype.name = 'NotImplementedException'; + NotImplementedException.constructor = NotImplementedException; + + return NotImplementedException; +})(); + +var MissingDataException = (function MissingDataExceptionClosure() { + function MissingDataException(begin, end) { + this.begin = begin; + this.end = end; + this.message = 'Missing data [' + begin + ', ' + end + ')'; + } + + MissingDataException.prototype = new Error(); + MissingDataException.prototype.name = 'MissingDataException'; + MissingDataException.constructor = MissingDataException; + + return MissingDataException; +})(); + +var XRefParseException = (function XRefParseExceptionClosure() { + function XRefParseException(msg) { + this.message = msg; + } + + XRefParseException.prototype = new Error(); + XRefParseException.prototype.name = 'XRefParseException'; + XRefParseException.constructor = XRefParseException; + + return XRefParseException; +})(); + +var NullCharactersRegExp = /\x00/g; + +function removeNullCharacters(str) { + if (typeof str !== 'string') { + warn('The argument for removeNullCharacters must be a string.'); + return str; + } + return str.replace(NullCharactersRegExp, ''); +} +PDFJS.removeNullCharacters = removeNullCharacters; + +function bytesToString(bytes) { + assert(bytes !== null && typeof bytes === 'object' && + bytes.length !== undefined, 'Invalid argument for bytesToString'); + var length = bytes.length; + var MAX_ARGUMENT_COUNT = 8192; + if (length < MAX_ARGUMENT_COUNT) { + return String.fromCharCode.apply(null, bytes); + } + var strBuf = []; + for (var i = 0; i < length; i += MAX_ARGUMENT_COUNT) { + var chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length); + var chunk = bytes.subarray(i, chunkEnd); + strBuf.push(String.fromCharCode.apply(null, chunk)); + } + return strBuf.join(''); +} + +function stringToBytes(str) { + assert(typeof str === 'string', 'Invalid argument for stringToBytes'); + var length = str.length; + var bytes = new Uint8Array(length); + for (var i = 0; i < length; ++i) { + bytes[i] = str.charCodeAt(i) & 0xFF; + } + return bytes; +} + +function string32(value) { + return String.fromCharCode((value >> 24) & 0xff, (value >> 16) & 0xff, + (value >> 8) & 0xff, value & 0xff); +} + +function log2(x) { + var n = 1, i = 0; + while (x > n) { + n <<= 1; + i++; + } + return i; +} + +function readInt8(data, start) { + return (data[start] << 24) >> 24; +} + +function readUint16(data, offset) { + return (data[offset] << 8) | data[offset + 1]; +} + +function readUint32(data, offset) { + return ((data[offset] << 24) | (data[offset + 1] << 16) | + (data[offset + 2] << 8) | data[offset + 3]) >>> 0; +} + +// Lazy test the endianness of the platform +// NOTE: This will be 'true' for simulated TypedArrays +function isLittleEndian() { + var buffer8 = new Uint8Array(2); + buffer8[0] = 1; + var buffer16 = new Uint16Array(buffer8.buffer); + return (buffer16[0] === 1); +} + +Object.defineProperty(PDFJS, 'isLittleEndian', { + configurable: true, + get: function PDFJS_isLittleEndian() { + return shadow(PDFJS, 'isLittleEndian', isLittleEndian()); + } +}); + + // Lazy test if the userAgent support CanvasTypedArrays +function hasCanvasTypedArrays() { + var canvas = document.createElement('canvas'); + canvas.width = canvas.height = 1; + var ctx = canvas.getContext('2d'); + var imageData = ctx.createImageData(1, 1); + return (typeof imageData.data.buffer !== 'undefined'); +} + +Object.defineProperty(PDFJS, 'hasCanvasTypedArrays', { + configurable: true, + get: function PDFJS_hasCanvasTypedArrays() { + return shadow(PDFJS, 'hasCanvasTypedArrays', hasCanvasTypedArrays()); + } +}); + +var Uint32ArrayView = (function Uint32ArrayViewClosure() { + + function Uint32ArrayView(buffer, length) { + this.buffer = buffer; + this.byteLength = buffer.length; + this.length = length === undefined ? (this.byteLength >> 2) : length; + ensureUint32ArrayViewProps(this.length); + } + Uint32ArrayView.prototype = Object.create(null); + + var uint32ArrayViewSetters = 0; + function createUint32ArrayProp(index) { + return { + get: function () { + var buffer = this.buffer, offset = index << 2; + return (buffer[offset] | (buffer[offset + 1] << 8) | + (buffer[offset + 2] << 16) | (buffer[offset + 3] << 24)) >>> 0; + }, + set: function (value) { + var buffer = this.buffer, offset = index << 2; + buffer[offset] = value & 255; + buffer[offset + 1] = (value >> 8) & 255; + buffer[offset + 2] = (value >> 16) & 255; + buffer[offset + 3] = (value >>> 24) & 255; + } + }; + } + + function ensureUint32ArrayViewProps(length) { + while (uint32ArrayViewSetters < length) { + Object.defineProperty(Uint32ArrayView.prototype, + uint32ArrayViewSetters, + createUint32ArrayProp(uint32ArrayViewSetters)); + uint32ArrayViewSetters++; + } + } + + return Uint32ArrayView; +})(); + +exports.Uint32ArrayView = Uint32ArrayView; + +var IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0]; + +var Util = PDFJS.Util = (function UtilClosure() { + function Util() {} + + var rgbBuf = ['rgb(', 0, ',', 0, ',', 0, ')']; + + // makeCssRgb() can be called thousands of times. Using |rgbBuf| avoids + // creating many intermediate strings. + Util.makeCssRgb = function Util_makeCssRgb(r, g, b) { + rgbBuf[1] = r; + rgbBuf[3] = g; + rgbBuf[5] = b; + return rgbBuf.join(''); + }; + + // Concatenates two transformation matrices together and returns the result. + Util.transform = function Util_transform(m1, m2) { + return [ + m1[0] * m2[0] + m1[2] * m2[1], + m1[1] * m2[0] + m1[3] * m2[1], + m1[0] * m2[2] + m1[2] * m2[3], + m1[1] * m2[2] + m1[3] * m2[3], + m1[0] * m2[4] + m1[2] * m2[5] + m1[4], + m1[1] * m2[4] + m1[3] * m2[5] + m1[5] + ]; + }; + + // For 2d affine transforms + Util.applyTransform = function Util_applyTransform(p, m) { + var xt = p[0] * m[0] + p[1] * m[2] + m[4]; + var yt = p[0] * m[1] + p[1] * m[3] + m[5]; + return [xt, yt]; + }; + + Util.applyInverseTransform = function Util_applyInverseTransform(p, m) { + var d = m[0] * m[3] - m[1] * m[2]; + var xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d; + var yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d; + return [xt, yt]; + }; + + // Applies the transform to the rectangle and finds the minimum axially + // aligned bounding box. + Util.getAxialAlignedBoundingBox = + function Util_getAxialAlignedBoundingBox(r, m) { + + var p1 = Util.applyTransform(r, m); + var p2 = Util.applyTransform(r.slice(2, 4), m); + var p3 = Util.applyTransform([r[0], r[3]], m); + var p4 = Util.applyTransform([r[2], r[1]], m); + return [ + Math.min(p1[0], p2[0], p3[0], p4[0]), + Math.min(p1[1], p2[1], p3[1], p4[1]), + Math.max(p1[0], p2[0], p3[0], p4[0]), + Math.max(p1[1], p2[1], p3[1], p4[1]) + ]; + }; + + Util.inverseTransform = function Util_inverseTransform(m) { + var d = m[0] * m[3] - m[1] * m[2]; + return [m[3] / d, -m[1] / d, -m[2] / d, m[0] / d, + (m[2] * m[5] - m[4] * m[3]) / d, (m[4] * m[1] - m[5] * m[0]) / d]; + }; + + // Apply a generic 3d matrix M on a 3-vector v: + // | a b c | | X | + // | d e f | x | Y | + // | g h i | | Z | + // M is assumed to be serialized as [a,b,c,d,e,f,g,h,i], + // with v as [X,Y,Z] + Util.apply3dTransform = function Util_apply3dTransform(m, v) { + return [ + m[0] * v[0] + m[1] * v[1] + m[2] * v[2], + m[3] * v[0] + m[4] * v[1] + m[5] * v[2], + m[6] * v[0] + m[7] * v[1] + m[8] * v[2] + ]; + }; + + // This calculation uses Singular Value Decomposition. + // The SVD can be represented with formula A = USV. We are interested in the + // matrix S here because it represents the scale values. + Util.singularValueDecompose2dScale = + function Util_singularValueDecompose2dScale(m) { + + var transpose = [m[0], m[2], m[1], m[3]]; + + // Multiply matrix m with its transpose. + var a = m[0] * transpose[0] + m[1] * transpose[2]; + var b = m[0] * transpose[1] + m[1] * transpose[3]; + var c = m[2] * transpose[0] + m[3] * transpose[2]; + var d = m[2] * transpose[1] + m[3] * transpose[3]; + + // Solve the second degree polynomial to get roots. + var first = (a + d) / 2; + var second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2; + var sx = first + second || 1; + var sy = first - second || 1; + + // Scale values are the square roots of the eigenvalues. + return [Math.sqrt(sx), Math.sqrt(sy)]; + }; + + // Normalize rectangle rect=[x1, y1, x2, y2] so that (x1,y1) < (x2,y2) + // For coordinate systems whose origin lies in the bottom-left, this + // means normalization to (BL,TR) ordering. For systems with origin in the + // top-left, this means (TL,BR) ordering. + Util.normalizeRect = function Util_normalizeRect(rect) { + var r = rect.slice(0); // clone rect + if (rect[0] > rect[2]) { + r[0] = rect[2]; + r[2] = rect[0]; + } + if (rect[1] > rect[3]) { + r[1] = rect[3]; + r[3] = rect[1]; + } + return r; + }; + + // Returns a rectangle [x1, y1, x2, y2] corresponding to the + // intersection of rect1 and rect2. If no intersection, returns 'false' + // The rectangle coordinates of rect1, rect2 should be [x1, y1, x2, y2] + Util.intersect = function Util_intersect(rect1, rect2) { + function compare(a, b) { + return a - b; + } + + // Order points along the axes + var orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare), + orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare), + result = []; + + rect1 = Util.normalizeRect(rect1); + rect2 = Util.normalizeRect(rect2); + + // X: first and second points belong to different rectangles? + if ((orderedX[0] === rect1[0] && orderedX[1] === rect2[0]) || + (orderedX[0] === rect2[0] && orderedX[1] === rect1[0])) { + // Intersection must be between second and third points + result[0] = orderedX[1]; + result[2] = orderedX[2]; + } else { + return false; + } + + // Y: first and second points belong to different rectangles? + if ((orderedY[0] === rect1[1] && orderedY[1] === rect2[1]) || + (orderedY[0] === rect2[1] && orderedY[1] === rect1[1])) { + // Intersection must be between second and third points + result[1] = orderedY[1]; + result[3] = orderedY[2]; + } else { + return false; + } + + return result; + }; + + Util.sign = function Util_sign(num) { + return num < 0 ? -1 : 1; + }; + + var ROMAN_NUMBER_MAP = [ + '', 'C', 'CC', 'CCC', 'CD', 'D', 'DC', 'DCC', 'DCCC', 'CM', + '', 'X', 'XX', 'XXX', 'XL', 'L', 'LX', 'LXX', 'LXXX', 'XC', + '', 'I', 'II', 'III', 'IV', 'V', 'VI', 'VII', 'VIII', 'IX' + ]; + /** + * Converts positive integers to (upper case) Roman numerals. + * @param {integer} number - The number that should be converted. + * @param {boolean} lowerCase - Indicates if the result should be converted + * to lower case letters. The default is false. + * @return {string} The resulting Roman number. + */ + Util.toRoman = function Util_toRoman(number, lowerCase) { + assert(isInt(number) && number > 0, + 'The number should be a positive integer.'); + var pos, romanBuf = []; + // Thousands + while (number >= 1000) { + number -= 1000; + romanBuf.push('M'); + } + // Hundreds + pos = (number / 100) | 0; + number %= 100; + romanBuf.push(ROMAN_NUMBER_MAP[pos]); + // Tens + pos = (number / 10) | 0; + number %= 10; + romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]); + // Ones + romanBuf.push(ROMAN_NUMBER_MAP[20 + number]); + + var romanStr = romanBuf.join(''); + return (lowerCase ? romanStr.toLowerCase() : romanStr); + }; + + Util.appendToArray = function Util_appendToArray(arr1, arr2) { + Array.prototype.push.apply(arr1, arr2); + }; + + Util.prependToArray = function Util_prependToArray(arr1, arr2) { + Array.prototype.unshift.apply(arr1, arr2); + }; + + Util.extendObj = function extendObj(obj1, obj2) { + for (var key in obj2) { + obj1[key] = obj2[key]; + } + }; + + Util.getInheritableProperty = function Util_getInheritableProperty(dict, + name) { + while (dict && !dict.has(name)) { + dict = dict.get('Parent'); + } + if (!dict) { + return null; + } + return dict.get(name); + }; + + Util.inherit = function Util_inherit(sub, base, prototype) { + sub.prototype = Object.create(base.prototype); + sub.prototype.constructor = sub; + for (var prop in prototype) { + sub.prototype[prop] = prototype[prop]; + } + }; + + Util.loadScript = function Util_loadScript(src, callback) { + var script = document.createElement('script'); + var loaded = false; + script.setAttribute('src', src); + if (callback) { + script.onload = function() { + if (!loaded) { + callback(); + } + loaded = true; + }; + } + document.getElementsByTagName('head')[0].appendChild(script); + }; + + return Util; +})(); + +/** + * PDF page viewport created based on scale, rotation and offset. + * @class + * @alias PDFJS.PageViewport + */ +var PageViewport = PDFJS.PageViewport = (function PageViewportClosure() { + /** + * @constructor + * @private + * @param viewBox {Array} xMin, yMin, xMax and yMax coordinates. + * @param scale {number} scale of the viewport. + * @param rotation {number} rotations of the viewport in degrees. + * @param offsetX {number} offset X + * @param offsetY {number} offset Y + * @param dontFlip {boolean} if true, axis Y will not be flipped. + */ + function PageViewport(viewBox, scale, rotation, offsetX, offsetY, dontFlip) { + this.viewBox = viewBox; + this.scale = scale; + this.rotation = rotation; + this.offsetX = offsetX; + this.offsetY = offsetY; + + // creating transform to convert pdf coordinate system to the normal + // canvas like coordinates taking in account scale and rotation + var centerX = (viewBox[2] + viewBox[0]) / 2; + var centerY = (viewBox[3] + viewBox[1]) / 2; + var rotateA, rotateB, rotateC, rotateD; + rotation = rotation % 360; + rotation = rotation < 0 ? rotation + 360 : rotation; + switch (rotation) { + case 180: + rotateA = -1; rotateB = 0; rotateC = 0; rotateD = 1; + break; + case 90: + rotateA = 0; rotateB = 1; rotateC = 1; rotateD = 0; + break; + case 270: + rotateA = 0; rotateB = -1; rotateC = -1; rotateD = 0; + break; + //case 0: + default: + rotateA = 1; rotateB = 0; rotateC = 0; rotateD = -1; + break; + } + + if (dontFlip) { + rotateC = -rotateC; rotateD = -rotateD; + } + + var offsetCanvasX, offsetCanvasY; + var width, height; + if (rotateA === 0) { + offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX; + offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY; + width = Math.abs(viewBox[3] - viewBox[1]) * scale; + height = Math.abs(viewBox[2] - viewBox[0]) * scale; + } else { + offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX; + offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY; + width = Math.abs(viewBox[2] - viewBox[0]) * scale; + height = Math.abs(viewBox[3] - viewBox[1]) * scale; + } + // creating transform for the following operations: + // translate(-centerX, -centerY), rotate and flip vertically, + // scale, and translate(offsetCanvasX, offsetCanvasY) + this.transform = [ + rotateA * scale, + rotateB * scale, + rotateC * scale, + rotateD * scale, + offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY, + offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY + ]; + + this.width = width; + this.height = height; + this.fontScale = scale; + } + PageViewport.prototype = /** @lends PDFJS.PageViewport.prototype */ { + /** + * Clones viewport with additional properties. + * @param args {Object} (optional) If specified, may contain the 'scale' or + * 'rotation' properties to override the corresponding properties in + * the cloned viewport. + * @returns {PDFJS.PageViewport} Cloned viewport. + */ + clone: function PageViewPort_clone(args) { + args = args || {}; + var scale = 'scale' in args ? args.scale : this.scale; + var rotation = 'rotation' in args ? args.rotation : this.rotation; + return new PageViewport(this.viewBox.slice(), scale, rotation, + this.offsetX, this.offsetY, args.dontFlip); + }, + /** + * Converts PDF point to the viewport coordinates. For examples, useful for + * converting PDF location into canvas pixel coordinates. + * @param x {number} X coordinate. + * @param y {number} Y coordinate. + * @returns {Object} Object that contains 'x' and 'y' properties of the + * point in the viewport coordinate space. + * @see {@link convertToPdfPoint} + * @see {@link convertToViewportRectangle} + */ + convertToViewportPoint: function PageViewport_convertToViewportPoint(x, y) { + return Util.applyTransform([x, y], this.transform); + }, + /** + * Converts PDF rectangle to the viewport coordinates. + * @param rect {Array} xMin, yMin, xMax and yMax coordinates. + * @returns {Array} Contains corresponding coordinates of the rectangle + * in the viewport coordinate space. + * @see {@link convertToViewportPoint} + */ + convertToViewportRectangle: + function PageViewport_convertToViewportRectangle(rect) { + var tl = Util.applyTransform([rect[0], rect[1]], this.transform); + var br = Util.applyTransform([rect[2], rect[3]], this.transform); + return [tl[0], tl[1], br[0], br[1]]; + }, + /** + * Converts viewport coordinates to the PDF location. For examples, useful + * for converting canvas pixel location into PDF one. + * @param x {number} X coordinate. + * @param y {number} Y coordinate. + * @returns {Object} Object that contains 'x' and 'y' properties of the + * point in the PDF coordinate space. + * @see {@link convertToViewportPoint} + */ + convertToPdfPoint: function PageViewport_convertToPdfPoint(x, y) { + return Util.applyInverseTransform([x, y], this.transform); + } + }; + return PageViewport; +})(); + +var PDFStringTranslateTable = [ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0x2D8, 0x2C7, 0x2C6, 0x2D9, 0x2DD, 0x2DB, 0x2DA, 0x2DC, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014, + 0x2013, 0x192, 0x2044, 0x2039, 0x203A, 0x2212, 0x2030, 0x201E, 0x201C, + 0x201D, 0x2018, 0x2019, 0x201A, 0x2122, 0xFB01, 0xFB02, 0x141, 0x152, 0x160, + 0x178, 0x17D, 0x131, 0x142, 0x153, 0x161, 0x17E, 0, 0x20AC +]; + +function stringToPDFString(str) { + var i, n = str.length, strBuf = []; + if (str[0] === '\xFE' && str[1] === '\xFF') { + // UTF16BE BOM + for (i = 2; i < n; i += 2) { + strBuf.push(String.fromCharCode( + (str.charCodeAt(i) << 8) | str.charCodeAt(i + 1))); + } + } else { + for (i = 0; i < n; ++i) { + var code = PDFStringTranslateTable[str.charCodeAt(i)]; + strBuf.push(code ? String.fromCharCode(code) : str.charAt(i)); + } + } + return strBuf.join(''); +} + +function stringToUTF8String(str) { + return decodeURIComponent(escape(str)); +} + +function utf8StringToString(str) { + return unescape(encodeURIComponent(str)); +} + +function isEmptyObj(obj) { + for (var key in obj) { + return false; + } + return true; +} + +function isBool(v) { + return typeof v === 'boolean'; +} + +function isInt(v) { + return typeof v === 'number' && ((v | 0) === v); +} + +function isNum(v) { + return typeof v === 'number'; +} + +function isString(v) { + return typeof v === 'string'; +} + +function isArray(v) { + return v instanceof Array; +} + +function isArrayBuffer(v) { + return typeof v === 'object' && v !== null && v.byteLength !== undefined; +} + +/** + * Promise Capability object. + * + * @typedef {Object} PromiseCapability + * @property {Promise} promise - A promise object. + * @property {function} resolve - Fullfills the promise. + * @property {function} reject - Rejects the promise. + */ + +/** + * Creates a promise capability object. + * @alias PDFJS.createPromiseCapability + * + * @return {PromiseCapability} A capability object contains: + * - a Promise, resolve and reject methods. + */ +function createPromiseCapability() { + var capability = {}; + capability.promise = new Promise(function (resolve, reject) { + capability.resolve = resolve; + capability.reject = reject; + }); + return capability; +} + +PDFJS.createPromiseCapability = createPromiseCapability; + +/** + * Polyfill for Promises: + * The following promise implementation tries to generally implement the + * Promise/A+ spec. Some notable differences from other promise libaries are: + * - There currently isn't a seperate deferred and promise object. + * - Unhandled rejections eventually show an error if they aren't handled. + * + * Based off of the work in: + * https://bugzilla.mozilla.org/show_bug.cgi?id=810490 + */ +(function PromiseClosure() { + if (globalScope.Promise) { + // Promises existing in the DOM/Worker, checking presence of all/resolve + if (typeof globalScope.Promise.all !== 'function') { + globalScope.Promise.all = function (iterable) { + var count = 0, results = [], resolve, reject; + var promise = new globalScope.Promise(function (resolve_, reject_) { + resolve = resolve_; + reject = reject_; + }); + iterable.forEach(function (p, i) { + count++; + p.then(function (result) { + results[i] = result; + count--; + if (count === 0) { + resolve(results); + } + }, reject); + }); + if (count === 0) { + resolve(results); + } + return promise; + }; + } + if (typeof globalScope.Promise.resolve !== 'function') { + globalScope.Promise.resolve = function (value) { + return new globalScope.Promise(function (resolve) { resolve(value); }); + }; + } + if (typeof globalScope.Promise.reject !== 'function') { + globalScope.Promise.reject = function (reason) { + return new globalScope.Promise(function (resolve, reject) { + reject(reason); + }); + }; + } + if (typeof globalScope.Promise.prototype.catch !== 'function') { + globalScope.Promise.prototype.catch = function (onReject) { + return globalScope.Promise.prototype.then(undefined, onReject); + }; + } + return; + } + var STATUS_PENDING = 0; + var STATUS_RESOLVED = 1; + var STATUS_REJECTED = 2; + + // In an attempt to avoid silent exceptions, unhandled rejections are + // tracked and if they aren't handled in a certain amount of time an + // error is logged. + var REJECTION_TIMEOUT = 500; + + var HandlerManager = { + handlers: [], + running: false, + unhandledRejections: [], + pendingRejectionCheck: false, + + scheduleHandlers: function scheduleHandlers(promise) { + if (promise._status === STATUS_PENDING) { + return; + } + + this.handlers = this.handlers.concat(promise._handlers); + promise._handlers = []; + + if (this.running) { + return; + } + this.running = true; + + setTimeout(this.runHandlers.bind(this), 0); + }, + + runHandlers: function runHandlers() { + var RUN_TIMEOUT = 1; // ms + var timeoutAt = Date.now() + RUN_TIMEOUT; + while (this.handlers.length > 0) { + var handler = this.handlers.shift(); + + var nextStatus = handler.thisPromise._status; + var nextValue = handler.thisPromise._value; + + try { + if (nextStatus === STATUS_RESOLVED) { + if (typeof handler.onResolve === 'function') { + nextValue = handler.onResolve(nextValue); + } + } else if (typeof handler.onReject === 'function') { + nextValue = handler.onReject(nextValue); + nextStatus = STATUS_RESOLVED; + + if (handler.thisPromise._unhandledRejection) { + this.removeUnhandeledRejection(handler.thisPromise); + } + } + } catch (ex) { + nextStatus = STATUS_REJECTED; + nextValue = ex; + } + + handler.nextPromise._updateStatus(nextStatus, nextValue); + if (Date.now() >= timeoutAt) { + break; + } + } + + if (this.handlers.length > 0) { + setTimeout(this.runHandlers.bind(this), 0); + return; + } + + this.running = false; + }, + + addUnhandledRejection: function addUnhandledRejection(promise) { + this.unhandledRejections.push({ + promise: promise, + time: Date.now() + }); + this.scheduleRejectionCheck(); + }, + + removeUnhandeledRejection: function removeUnhandeledRejection(promise) { + promise._unhandledRejection = false; + for (var i = 0; i < this.unhandledRejections.length; i++) { + if (this.unhandledRejections[i].promise === promise) { + this.unhandledRejections.splice(i); + i--; + } + } + }, + + scheduleRejectionCheck: function scheduleRejectionCheck() { + if (this.pendingRejectionCheck) { + return; + } + this.pendingRejectionCheck = true; + setTimeout(function rejectionCheck() { + this.pendingRejectionCheck = false; + var now = Date.now(); + for (var i = 0; i < this.unhandledRejections.length; i++) { + if (now - this.unhandledRejections[i].time > REJECTION_TIMEOUT) { + var unhandled = this.unhandledRejections[i].promise._value; + var msg = 'Unhandled rejection: ' + unhandled; + if (unhandled.stack) { + msg += '\n' + unhandled.stack; + } + warn(msg); + this.unhandledRejections.splice(i); + i--; + } + } + if (this.unhandledRejections.length) { + this.scheduleRejectionCheck(); + } + }.bind(this), REJECTION_TIMEOUT); + } + }; + + function Promise(resolver) { + this._status = STATUS_PENDING; + this._handlers = []; + try { + resolver.call(this, this._resolve.bind(this), this._reject.bind(this)); + } catch (e) { + this._reject(e); + } + } + /** + * Builds a promise that is resolved when all the passed in promises are + * resolved. + * @param {array} array of data and/or promises to wait for. + * @return {Promise} New dependant promise. + */ + Promise.all = function Promise_all(promises) { + var resolveAll, rejectAll; + var deferred = new Promise(function (resolve, reject) { + resolveAll = resolve; + rejectAll = reject; + }); + var unresolved = promises.length; + var results = []; + if (unresolved === 0) { + resolveAll(results); + return deferred; + } + function reject(reason) { + if (deferred._status === STATUS_REJECTED) { + return; + } + results = []; + rejectAll(reason); + } + for (var i = 0, ii = promises.length; i < ii; ++i) { + var promise = promises[i]; + var resolve = (function(i) { + return function(value) { + if (deferred._status === STATUS_REJECTED) { + return; + } + results[i] = value; + unresolved--; + if (unresolved === 0) { + resolveAll(results); + } + }; + })(i); + if (Promise.isPromise(promise)) { + promise.then(resolve, reject); + } else { + resolve(promise); + } + } + return deferred; + }; + + /** + * Checks if the value is likely a promise (has a 'then' function). + * @return {boolean} true if value is thenable + */ + Promise.isPromise = function Promise_isPromise(value) { + return value && typeof value.then === 'function'; + }; + + /** + * Creates resolved promise + * @param value resolve value + * @returns {Promise} + */ + Promise.resolve = function Promise_resolve(value) { + return new Promise(function (resolve) { resolve(value); }); + }; + + /** + * Creates rejected promise + * @param reason rejection value + * @returns {Promise} + */ + Promise.reject = function Promise_reject(reason) { + return new Promise(function (resolve, reject) { reject(reason); }); + }; + + Promise.prototype = { + _status: null, + _value: null, + _handlers: null, + _unhandledRejection: null, + + _updateStatus: function Promise__updateStatus(status, value) { + if (this._status === STATUS_RESOLVED || + this._status === STATUS_REJECTED) { + return; + } + + if (status === STATUS_RESOLVED && + Promise.isPromise(value)) { + value.then(this._updateStatus.bind(this, STATUS_RESOLVED), + this._updateStatus.bind(this, STATUS_REJECTED)); + return; + } + + this._status = status; + this._value = value; + + if (status === STATUS_REJECTED && this._handlers.length === 0) { + this._unhandledRejection = true; + HandlerManager.addUnhandledRejection(this); + } + + HandlerManager.scheduleHandlers(this); + }, + + _resolve: function Promise_resolve(value) { + this._updateStatus(STATUS_RESOLVED, value); + }, + + _reject: function Promise_reject(reason) { + this._updateStatus(STATUS_REJECTED, reason); + }, + + then: function Promise_then(onResolve, onReject) { + var nextPromise = new Promise(function (resolve, reject) { + this.resolve = resolve; + this.reject = reject; + }); + this._handlers.push({ + thisPromise: this, + onResolve: onResolve, + onReject: onReject, + nextPromise: nextPromise + }); + HandlerManager.scheduleHandlers(this); + return nextPromise; + }, + + catch: function Promise_catch(onReject) { + return this.then(undefined, onReject); + } + }; + + globalScope.Promise = Promise; +})(); + +var StatTimer = (function StatTimerClosure() { + function rpad(str, pad, length) { + while (str.length < length) { + str += pad; + } + return str; + } + function StatTimer() { + this.started = {}; + this.times = []; + this.enabled = true; + } + StatTimer.prototype = { + time: function StatTimer_time(name) { + if (!this.enabled) { + return; + } + if (name in this.started) { + warn('Timer is already running for ' + name); + } + this.started[name] = Date.now(); + }, + timeEnd: function StatTimer_timeEnd(name) { + if (!this.enabled) { + return; + } + if (!(name in this.started)) { + warn('Timer has not been started for ' + name); + } + this.times.push({ + 'name': name, + 'start': this.started[name], + 'end': Date.now() + }); + // Remove timer from started so it can be called again. + delete this.started[name]; + }, + toString: function StatTimer_toString() { + var i, ii; + var times = this.times; + var out = ''; + // Find the longest name for padding purposes. + var longest = 0; + for (i = 0, ii = times.length; i < ii; ++i) { + var name = times[i]['name']; + if (name.length > longest) { + longest = name.length; + } + } + for (i = 0, ii = times.length; i < ii; ++i) { + var span = times[i]; + var duration = span.end - span.start; + out += rpad(span['name'], ' ', longest) + ' ' + duration + 'ms\n'; + } + return out; + } + }; + return StatTimer; +})(); + +PDFJS.createBlob = function createBlob(data, contentType) { + if (typeof Blob !== 'undefined') { + return new Blob([data], { type: contentType }); + } + // Blob builder is deprecated in FF14 and removed in FF18. + var bb = new MozBlobBuilder(); + bb.append(data); + return bb.getBlob(contentType); +}; + +PDFJS.createObjectURL = (function createObjectURLClosure() { + // Blob/createObjectURL is not available, falling back to data schema. + var digits = + 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='; + + return function createObjectURL(data, contentType) { + if (!PDFJS.disableCreateObjectURL && + typeof URL !== 'undefined' && URL.createObjectURL) { + var blob = PDFJS.createBlob(data, contentType); + return URL.createObjectURL(blob); + } + + var buffer = 'data:' + contentType + ';base64,'; + for (var i = 0, ii = data.length; i < ii; i += 3) { + var b1 = data[i] & 0xFF; + var b2 = data[i + 1] & 0xFF; + var b3 = data[i + 2] & 0xFF; + var d1 = b1 >> 2, d2 = ((b1 & 3) << 4) | (b2 >> 4); + var d3 = i + 1 < ii ? ((b2 & 0xF) << 2) | (b3 >> 6) : 64; + var d4 = i + 2 < ii ? (b3 & 0x3F) : 64; + buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4]; + } + return buffer; + }; +})(); + +function MessageHandler(sourceName, targetName, comObj) { + this.sourceName = sourceName; + this.targetName = targetName; + this.comObj = comObj; + this.callbackIndex = 1; + this.postMessageTransfers = true; + var callbacksCapabilities = this.callbacksCapabilities = {}; + var ah = this.actionHandler = {}; + + this._onComObjOnMessage = function messageHandlerComObjOnMessage(event) { + var data = event.data; + if (data.targetName !== this.sourceName) { + return; + } + if (data.isReply) { + var callbackId = data.callbackId; + if (data.callbackId in callbacksCapabilities) { + var callback = callbacksCapabilities[callbackId]; + delete callbacksCapabilities[callbackId]; + if ('error' in data) { + callback.reject(data.error); + } else { + callback.resolve(data.data); + } + } else { + error('Cannot resolve callback ' + callbackId); + } + } else if (data.action in ah) { + var action = ah[data.action]; + if (data.callbackId) { + var sourceName = this.sourceName; + var targetName = data.sourceName; + Promise.resolve().then(function () { + return action[0].call(action[1], data.data); + }).then(function (result) { + comObj.postMessage({ + sourceName: sourceName, + targetName: targetName, + isReply: true, + callbackId: data.callbackId, + data: result + }); + }, function (reason) { + if (reason instanceof Error) { + // Serialize error to avoid "DataCloneError" + reason = reason + ''; + } + comObj.postMessage({ + sourceName: sourceName, + targetName: targetName, + isReply: true, + callbackId: data.callbackId, + error: reason + }); + }); + } else { + action[0].call(action[1], data.data); + } + } else { + error('Unknown action from worker: ' + data.action); + } + }.bind(this); + comObj.addEventListener('message', this._onComObjOnMessage); +} + +MessageHandler.prototype = { + on: function messageHandlerOn(actionName, handler, scope) { + var ah = this.actionHandler; + if (ah[actionName]) { + error('There is already an actionName called "' + actionName + '"'); + } + ah[actionName] = [handler, scope]; + }, + /** + * Sends a message to the comObj to invoke the action with the supplied data. + * @param {String} actionName Action to call. + * @param {JSON} data JSON data to send. + * @param {Array} [transfers] Optional list of transfers/ArrayBuffers + */ + send: function messageHandlerSend(actionName, data, transfers) { + var message = { + sourceName: this.sourceName, + targetName: this.targetName, + action: actionName, + data: data + }; + this.postMessage(message, transfers); + }, + /** + * Sends a message to the comObj to invoke the action with the supplied data. + * Expects that other side will callback with the response. + * @param {String} actionName Action to call. + * @param {JSON} data JSON data to send. + * @param {Array} [transfers] Optional list of transfers/ArrayBuffers. + * @returns {Promise} Promise to be resolved with response data. + */ + sendWithPromise: + function messageHandlerSendWithPromise(actionName, data, transfers) { + var callbackId = this.callbackIndex++; + var message = { + sourceName: this.sourceName, + targetName: this.targetName, + action: actionName, + data: data, + callbackId: callbackId + }; + var capability = createPromiseCapability(); + this.callbacksCapabilities[callbackId] = capability; + try { + this.postMessage(message, transfers); + } catch (e) { + capability.reject(e); + } + return capability.promise; + }, + /** + * Sends raw message to the comObj. + * @private + * @param message {Object} Raw message. + * @param transfers List of transfers/ArrayBuffers, or undefined. + */ + postMessage: function (message, transfers) { + if (transfers && this.postMessageTransfers) { + this.comObj.postMessage(message, transfers); + } else { + this.comObj.postMessage(message); + } + }, + + destroy: function () { + this.comObj.removeEventListener('message', this._onComObjOnMessage); + } +}; + +function loadJpegStream(id, imageUrl, objs) { + var img = new Image(); + img.onload = (function loadJpegStream_onloadClosure() { + objs.resolve(id, img); + }); + img.onerror = (function loadJpegStream_onerrorClosure() { + objs.resolve(id, null); + warn('Error during JPEG image loading'); + }); + img.src = imageUrl; +} + + // Polyfill from https://github.com/Polymer/URL +/* Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/publicdomain/zero/1.0/ */ +(function checkURLConstructor(scope) { + /* jshint ignore:start */ + + // feature detect for URL constructor + var hasWorkingUrl = false; + try { + if (typeof URL === 'function' && + typeof URL.prototype === 'object' && + ('origin' in URL.prototype)) { + var u = new URL('b', 'http://a'); + u.pathname = 'c%20d'; + hasWorkingUrl = u.href === 'http://a/c%20d'; + } + } catch(e) { } + + if (hasWorkingUrl) + return; + + var relative = Object.create(null); + relative['ftp'] = 21; + relative['file'] = 0; + relative['gopher'] = 70; + relative['http'] = 80; + relative['https'] = 443; + relative['ws'] = 80; + relative['wss'] = 443; + + var relativePathDotMapping = Object.create(null); + relativePathDotMapping['%2e'] = '.'; + relativePathDotMapping['.%2e'] = '..'; + relativePathDotMapping['%2e.'] = '..'; + relativePathDotMapping['%2e%2e'] = '..'; + + function isRelativeScheme(scheme) { + return relative[scheme] !== undefined; + } + + function invalid() { + clear.call(this); + this._isInvalid = true; + } + + function IDNAToASCII(h) { + if ('' == h) { + invalid.call(this) + } + // XXX + return h.toLowerCase() + } + + function percentEscape(c) { + var unicode = c.charCodeAt(0); + if (unicode > 0x20 && + unicode < 0x7F && + // " # < > ? ` + [0x22, 0x23, 0x3C, 0x3E, 0x3F, 0x60].indexOf(unicode) == -1 + ) { + return c; + } + return encodeURIComponent(c); + } + + function percentEscapeQuery(c) { + // XXX This actually needs to encode c using encoding and then + // convert the bytes one-by-one. + + var unicode = c.charCodeAt(0); + if (unicode > 0x20 && + unicode < 0x7F && + // " # < > ` (do not escape '?') + [0x22, 0x23, 0x3C, 0x3E, 0x60].indexOf(unicode) == -1 + ) { + return c; + } + return encodeURIComponent(c); + } + + var EOF = undefined, + ALPHA = /[a-zA-Z]/, + ALPHANUMERIC = /[a-zA-Z0-9\+\-\.]/; + + function parse(input, stateOverride, base) { + function err(message) { + errors.push(message) + } + + var state = stateOverride || 'scheme start', + cursor = 0, + buffer = '', + seenAt = false, + seenBracket = false, + errors = []; + + loop: while ((input[cursor - 1] != EOF || cursor == 0) && !this._isInvalid) { + var c = input[cursor]; + switch (state) { + case 'scheme start': + if (c && ALPHA.test(c)) { + buffer += c.toLowerCase(); // ASCII-safe + state = 'scheme'; + } else if (!stateOverride) { + buffer = ''; + state = 'no scheme'; + continue; + } else { + err('Invalid scheme.'); + break loop; + } + break; + + case 'scheme': + if (c && ALPHANUMERIC.test(c)) { + buffer += c.toLowerCase(); // ASCII-safe + } else if (':' == c) { + this._scheme = buffer; + buffer = ''; + if (stateOverride) { + break loop; + } + if (isRelativeScheme(this._scheme)) { + this._isRelative = true; + } + if ('file' == this._scheme) { + state = 'relative'; + } else if (this._isRelative && base && base._scheme == this._scheme) { + state = 'relative or authority'; + } else if (this._isRelative) { + state = 'authority first slash'; + } else { + state = 'scheme data'; + } + } else if (!stateOverride) { + buffer = ''; + cursor = 0; + state = 'no scheme'; + continue; + } else if (EOF == c) { + break loop; + } else { + err('Code point not allowed in scheme: ' + c) + break loop; + } + break; + + case 'scheme data': + if ('?' == c) { + this._query = '?'; + state = 'query'; + } else if ('#' == c) { + this._fragment = '#'; + state = 'fragment'; + } else { + // XXX error handling + if (EOF != c && '\t' != c && '\n' != c && '\r' != c) { + this._schemeData += percentEscape(c); + } + } + break; + + case 'no scheme': + if (!base || !(isRelativeScheme(base._scheme))) { + err('Missing scheme.'); + invalid.call(this); + } else { + state = 'relative'; + continue; + } + break; + + case 'relative or authority': + if ('/' == c && '/' == input[cursor+1]) { + state = 'authority ignore slashes'; + } else { + err('Expected /, got: ' + c); + state = 'relative'; + continue + } + break; + + case 'relative': + this._isRelative = true; + if ('file' != this._scheme) + this._scheme = base._scheme; + if (EOF == c) { + this._host = base._host; + this._port = base._port; + this._path = base._path.slice(); + this._query = base._query; + this._username = base._username; + this._password = base._password; + break loop; + } else if ('/' == c || '\\' == c) { + if ('\\' == c) + err('\\ is an invalid code point.'); + state = 'relative slash'; + } else if ('?' == c) { + this._host = base._host; + this._port = base._port; + this._path = base._path.slice(); + this._query = '?'; + this._username = base._username; + this._password = base._password; + state = 'query'; + } else if ('#' == c) { + this._host = base._host; + this._port = base._port; + this._path = base._path.slice(); + this._query = base._query; + this._fragment = '#'; + this._username = base._username; + this._password = base._password; + state = 'fragment'; + } else { + var nextC = input[cursor+1] + var nextNextC = input[cursor+2] + if ( + 'file' != this._scheme || !ALPHA.test(c) || + (nextC != ':' && nextC != '|') || + (EOF != nextNextC && '/' != nextNextC && '\\' != nextNextC && '?' != nextNextC && '#' != nextNextC)) { + this._host = base._host; + this._port = base._port; + this._username = base._username; + this._password = base._password; + this._path = base._path.slice(); + this._path.pop(); + } + state = 'relative path'; + continue; + } + break; + + case 'relative slash': + if ('/' == c || '\\' == c) { + if ('\\' == c) { + err('\\ is an invalid code point.'); + } + if ('file' == this._scheme) { + state = 'file host'; + } else { + state = 'authority ignore slashes'; + } + } else { + if ('file' != this._scheme) { + this._host = base._host; + this._port = base._port; + this._username = base._username; + this._password = base._password; + } + state = 'relative path'; + continue; + } + break; + + case 'authority first slash': + if ('/' == c) { + state = 'authority second slash'; + } else { + err("Expected '/', got: " + c); + state = 'authority ignore slashes'; + continue; + } + break; + + case 'authority second slash': + state = 'authority ignore slashes'; + if ('/' != c) { + err("Expected '/', got: " + c); + continue; + } + break; + + case 'authority ignore slashes': + if ('/' != c && '\\' != c) { + state = 'authority'; + continue; + } else { + err('Expected authority, got: ' + c); + } + break; + + case 'authority': + if ('@' == c) { + if (seenAt) { + err('@ already seen.'); + buffer += '%40'; + } + seenAt = true; + for (var i = 0; i < buffer.length; i++) { + var cp = buffer[i]; + if ('\t' == cp || '\n' == cp || '\r' == cp) { + err('Invalid whitespace in authority.'); + continue; + } + // XXX check URL code points + if (':' == cp && null === this._password) { + this._password = ''; + continue; + } + var tempC = percentEscape(cp); + (null !== this._password) ? this._password += tempC : this._username += tempC; + } + buffer = ''; + } else if (EOF == c || '/' == c || '\\' == c || '?' == c || '#' == c) { + cursor -= buffer.length; + buffer = ''; + state = 'host'; + continue; + } else { + buffer += c; + } + break; + + case 'file host': + if (EOF == c || '/' == c || '\\' == c || '?' == c || '#' == c) { + if (buffer.length == 2 && ALPHA.test(buffer[0]) && (buffer[1] == ':' || buffer[1] == '|')) { + state = 'relative path'; + } else if (buffer.length == 0) { + state = 'relative path start'; + } else { + this._host = IDNAToASCII.call(this, buffer); + buffer = ''; + state = 'relative path start'; + } + continue; + } else if ('\t' == c || '\n' == c || '\r' == c) { + err('Invalid whitespace in file host.'); + } else { + buffer += c; + } + break; + + case 'host': + case 'hostname': + if (':' == c && !seenBracket) { + // XXX host parsing + this._host = IDNAToASCII.call(this, buffer); + buffer = ''; + state = 'port'; + if ('hostname' == stateOverride) { + break loop; + } + } else if (EOF == c || '/' == c || '\\' == c || '?' == c || '#' == c) { + this._host = IDNAToASCII.call(this, buffer); + buffer = ''; + state = 'relative path start'; + if (stateOverride) { + break loop; + } + continue; + } else if ('\t' != c && '\n' != c && '\r' != c) { + if ('[' == c) { + seenBracket = true; + } else if (']' == c) { + seenBracket = false; + } + buffer += c; + } else { + err('Invalid code point in host/hostname: ' + c); + } + break; + + case 'port': + if (/[0-9]/.test(c)) { + buffer += c; + } else if (EOF == c || '/' == c || '\\' == c || '?' == c || '#' == c || stateOverride) { + if ('' != buffer) { + var temp = parseInt(buffer, 10); + if (temp != relative[this._scheme]) { + this._port = temp + ''; + } + buffer = ''; + } + if (stateOverride) { + break loop; + } + state = 'relative path start'; + continue; + } else if ('\t' == c || '\n' == c || '\r' == c) { + err('Invalid code point in port: ' + c); + } else { + invalid.call(this); + } + break; + + case 'relative path start': + if ('\\' == c) + err("'\\' not allowed in path."); + state = 'relative path'; + if ('/' != c && '\\' != c) { + continue; + } + break; + + case 'relative path': + if (EOF == c || '/' == c || '\\' == c || (!stateOverride && ('?' == c || '#' == c))) { + if ('\\' == c) { + err('\\ not allowed in relative path.'); + } + var tmp; + if (tmp = relativePathDotMapping[buffer.toLowerCase()]) { + buffer = tmp; + } + if ('..' == buffer) { + this._path.pop(); + if ('/' != c && '\\' != c) { + this._path.push(''); + } + } else if ('.' == buffer && '/' != c && '\\' != c) { + this._path.push(''); + } else if ('.' != buffer) { + if ('file' == this._scheme && this._path.length == 0 && buffer.length == 2 && ALPHA.test(buffer[0]) && buffer[1] == '|') { + buffer = buffer[0] + ':'; + } + this._path.push(buffer); + } + buffer = ''; + if ('?' == c) { + this._query = '?'; + state = 'query'; + } else if ('#' == c) { + this._fragment = '#'; + state = 'fragment'; + } + } else if ('\t' != c && '\n' != c && '\r' != c) { + buffer += percentEscape(c); + } + break; + + case 'query': + if (!stateOverride && '#' == c) { + this._fragment = '#'; + state = 'fragment'; + } else if (EOF != c && '\t' != c && '\n' != c && '\r' != c) { + this._query += percentEscapeQuery(c); + } + break; + + case 'fragment': + if (EOF != c && '\t' != c && '\n' != c && '\r' != c) { + this._fragment += c; + } + break; + } + + cursor++; + } + } + + function clear() { + this._scheme = ''; + this._schemeData = ''; + this._username = ''; + this._password = null; + this._host = ''; + this._port = ''; + this._path = []; + this._query = ''; + this._fragment = ''; + this._isInvalid = false; + this._isRelative = false; + } + + // Does not process domain names or IP addresses. + // Does not handle encoding for the query parameter. + function jURL(url, base /* , encoding */) { + if (base !== undefined && !(base instanceof jURL)) + base = new jURL(String(base)); + + this._url = url; + clear.call(this); + + var input = url.replace(/^[ \t\r\n\f]+|[ \t\r\n\f]+$/g, ''); + // encoding = encoding || 'utf-8' + + parse.call(this, input, null, base); + } + + jURL.prototype = { + toString: function() { + return this.href; + }, + get href() { + if (this._isInvalid) + return this._url; + + var authority = ''; + if ('' != this._username || null != this._password) { + authority = this._username + + (null != this._password ? ':' + this._password : '') + '@'; + } + + return this.protocol + + (this._isRelative ? '//' + authority + this.host : '') + + this.pathname + this._query + this._fragment; + }, + set href(href) { + clear.call(this); + parse.call(this, href); + }, + + get protocol() { + return this._scheme + ':'; + }, + set protocol(protocol) { + if (this._isInvalid) + return; + parse.call(this, protocol + ':', 'scheme start'); + }, + + get host() { + return this._isInvalid ? '' : this._port ? + this._host + ':' + this._port : this._host; + }, + set host(host) { + if (this._isInvalid || !this._isRelative) + return; + parse.call(this, host, 'host'); + }, + + get hostname() { + return this._host; + }, + set hostname(hostname) { + if (this._isInvalid || !this._isRelative) + return; + parse.call(this, hostname, 'hostname'); + }, + + get port() { + return this._port; + }, + set port(port) { + if (this._isInvalid || !this._isRelative) + return; + parse.call(this, port, 'port'); + }, + + get pathname() { + return this._isInvalid ? '' : this._isRelative ? + '/' + this._path.join('/') : this._schemeData; + }, + set pathname(pathname) { + if (this._isInvalid || !this._isRelative) + return; + this._path = []; + parse.call(this, pathname, 'relative path start'); + }, + + get search() { + return this._isInvalid || !this._query || '?' == this._query ? + '' : this._query; + }, + set search(search) { + if (this._isInvalid || !this._isRelative) + return; + this._query = '?'; + if ('?' == search[0]) + search = search.slice(1); + parse.call(this, search, 'query'); + }, + + get hash() { + return this._isInvalid || !this._fragment || '#' == this._fragment ? + '' : this._fragment; + }, + set hash(hash) { + if (this._isInvalid) + return; + this._fragment = '#'; + if ('#' == hash[0]) + hash = hash.slice(1); + parse.call(this, hash, 'fragment'); + }, + + get origin() { + var host; + if (this._isInvalid || !this._scheme) { + return ''; + } + // javascript: Gecko returns String(""), WebKit/Blink String("null") + // Gecko throws error for "data://" + // data: Gecko returns "", Blink returns "data://", WebKit returns "null" + // Gecko returns String("") for file: mailto: + // WebKit/Blink returns String("SCHEME://") for file: mailto: + switch (this._scheme) { + case 'data': + case 'file': + case 'javascript': + case 'mailto': + return 'null'; + } + host = this.host; + if (!host) { + return ''; + } + return this._scheme + '://' + host; + } + }; + + // Copy over the static methods + var OriginalURL = scope.URL; + if (OriginalURL) { + jURL.createObjectURL = function(blob) { + // IE extension allows a second optional options argument. + // http://msdn.microsoft.com/en-us/library/ie/hh772302(v=vs.85).aspx + return OriginalURL.createObjectURL.apply(OriginalURL, arguments); + }; + jURL.revokeObjectURL = function(url) { + OriginalURL.revokeObjectURL(url); + }; + } + + scope.URL = jURL; + /* jshint ignore:end */ +})(globalScope); + +exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX; +exports.IDENTITY_MATRIX = IDENTITY_MATRIX; +exports.OPS = OPS; +exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES; +exports.AnnotationBorderStyleType = AnnotationBorderStyleType; +exports.AnnotationFlag = AnnotationFlag; +exports.AnnotationType = AnnotationType; +exports.FontType = FontType; +exports.ImageKind = ImageKind; +exports.InvalidPDFException = InvalidPDFException; +exports.LinkTarget = LinkTarget; +exports.LinkTargetStringMap = LinkTargetStringMap; +exports.MessageHandler = MessageHandler; +exports.MissingDataException = MissingDataException; +exports.MissingPDFException = MissingPDFException; +exports.NotImplementedException = NotImplementedException; +exports.PasswordException = PasswordException; +exports.PasswordResponses = PasswordResponses; +exports.StatTimer = StatTimer; +exports.StreamType = StreamType; +exports.TextRenderingMode = TextRenderingMode; +exports.UnexpectedResponseException = UnexpectedResponseException; +exports.UnknownErrorException = UnknownErrorException; +exports.Util = Util; +exports.XRefParseException = XRefParseException; +exports.assert = assert; +exports.bytesToString = bytesToString; +exports.combineUrl = combineUrl; +exports.createPromiseCapability = createPromiseCapability; +exports.deprecated = deprecated; +exports.error = error; +exports.info = info; +exports.isArray = isArray; +exports.isArrayBuffer = isArrayBuffer; +exports.isBool = isBool; +exports.isEmptyObj = isEmptyObj; +exports.isExternalLinkTargetSet = isExternalLinkTargetSet; +exports.isInt = isInt; +exports.isNum = isNum; +exports.isString = isString; +exports.isValidUrl = isValidUrl; +exports.addLinkAttributes = addLinkAttributes; +exports.loadJpegStream = loadJpegStream; +exports.log2 = log2; +exports.readInt8 = readInt8; +exports.readUint16 = readUint16; +exports.readUint32 = readUint32; +exports.removeNullCharacters = removeNullCharacters; +exports.shadow = shadow; +exports.string32 = string32; +exports.stringToBytes = stringToBytes; +exports.stringToPDFString = stringToPDFString; +exports.stringToUTF8String = stringToUTF8String; +exports.utf8StringToString = utf8StringToString; +exports.warn = warn; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreChunkedStream = {}), root.pdfjsSharedUtil); + } +}(this, function (exports, sharedUtil) { + +var MissingDataException = sharedUtil.MissingDataException; +var assert = sharedUtil.assert; +var createPromiseCapability = sharedUtil.createPromiseCapability; +var isInt = sharedUtil.isInt; +var isEmptyObj = sharedUtil.isEmptyObj; + +var ChunkedStream = (function ChunkedStreamClosure() { + function ChunkedStream(length, chunkSize, manager) { + this.bytes = new Uint8Array(length); + this.start = 0; + this.pos = 0; + this.end = length; + this.chunkSize = chunkSize; + this.loadedChunks = []; + this.numChunksLoaded = 0; + this.numChunks = Math.ceil(length / chunkSize); + this.manager = manager; + this.progressiveDataLength = 0; + this.lastSuccessfulEnsureByteChunk = -1; // a single-entry cache + } + + // required methods for a stream. if a particular stream does not + // implement these, an error should be thrown + ChunkedStream.prototype = { + + getMissingChunks: function ChunkedStream_getMissingChunks() { + var chunks = []; + for (var chunk = 0, n = this.numChunks; chunk < n; ++chunk) { + if (!this.loadedChunks[chunk]) { + chunks.push(chunk); + } + } + return chunks; + }, + + getBaseStreams: function ChunkedStream_getBaseStreams() { + return [this]; + }, + + allChunksLoaded: function ChunkedStream_allChunksLoaded() { + return this.numChunksLoaded === this.numChunks; + }, + + onReceiveData: function ChunkedStream_onReceiveData(begin, chunk) { + var end = begin + chunk.byteLength; + + assert(begin % this.chunkSize === 0, 'Bad begin offset: ' + begin); + // Using this.length is inaccurate here since this.start can be moved + // See ChunkedStream.moveStart() + var length = this.bytes.length; + assert(end % this.chunkSize === 0 || end === length, + 'Bad end offset: ' + end); + + this.bytes.set(new Uint8Array(chunk), begin); + var chunkSize = this.chunkSize; + var beginChunk = Math.floor(begin / chunkSize); + var endChunk = Math.floor((end - 1) / chunkSize) + 1; + var curChunk; + + for (curChunk = beginChunk; curChunk < endChunk; ++curChunk) { + if (!this.loadedChunks[curChunk]) { + this.loadedChunks[curChunk] = true; + ++this.numChunksLoaded; + } + } + }, + + onReceiveProgressiveData: + function ChunkedStream_onReceiveProgressiveData(data) { + var position = this.progressiveDataLength; + var beginChunk = Math.floor(position / this.chunkSize); + + this.bytes.set(new Uint8Array(data), position); + position += data.byteLength; + this.progressiveDataLength = position; + var endChunk = position >= this.end ? this.numChunks : + Math.floor(position / this.chunkSize); + var curChunk; + for (curChunk = beginChunk; curChunk < endChunk; ++curChunk) { + if (!this.loadedChunks[curChunk]) { + this.loadedChunks[curChunk] = true; + ++this.numChunksLoaded; + } + } + }, + + ensureByte: function ChunkedStream_ensureByte(pos) { + var chunk = Math.floor(pos / this.chunkSize); + if (chunk === this.lastSuccessfulEnsureByteChunk) { + return; + } + + if (!this.loadedChunks[chunk]) { + throw new MissingDataException(pos, pos + 1); + } + this.lastSuccessfulEnsureByteChunk = chunk; + }, + + ensureRange: function ChunkedStream_ensureRange(begin, end) { + if (begin >= end) { + return; + } + + if (end <= this.progressiveDataLength) { + return; + } + + var chunkSize = this.chunkSize; + var beginChunk = Math.floor(begin / chunkSize); + var endChunk = Math.floor((end - 1) / chunkSize) + 1; + for (var chunk = beginChunk; chunk < endChunk; ++chunk) { + if (!this.loadedChunks[chunk]) { + throw new MissingDataException(begin, end); + } + } + }, + + nextEmptyChunk: function ChunkedStream_nextEmptyChunk(beginChunk) { + var chunk, numChunks = this.numChunks; + for (var i = 0; i < numChunks; ++i) { + chunk = (beginChunk + i) % numChunks; // Wrap around to beginning + if (!this.loadedChunks[chunk]) { + return chunk; + } + } + return null; + }, + + hasChunk: function ChunkedStream_hasChunk(chunk) { + return !!this.loadedChunks[chunk]; + }, + + get length() { + return this.end - this.start; + }, + + get isEmpty() { + return this.length === 0; + }, + + getByte: function ChunkedStream_getByte() { + var pos = this.pos; + if (pos >= this.end) { + return -1; + } + this.ensureByte(pos); + return this.bytes[this.pos++]; + }, + + getUint16: function ChunkedStream_getUint16() { + var b0 = this.getByte(); + var b1 = this.getByte(); + if (b0 === -1 || b1 === -1) { + return -1; + } + return (b0 << 8) + b1; + }, + + getInt32: function ChunkedStream_getInt32() { + var b0 = this.getByte(); + var b1 = this.getByte(); + var b2 = this.getByte(); + var b3 = this.getByte(); + return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3; + }, + + // returns subarray of original buffer + // should only be read + getBytes: function ChunkedStream_getBytes(length) { + var bytes = this.bytes; + var pos = this.pos; + var strEnd = this.end; + + if (!length) { + this.ensureRange(pos, strEnd); + return bytes.subarray(pos, strEnd); + } + + var end = pos + length; + if (end > strEnd) { + end = strEnd; + } + this.ensureRange(pos, end); + + this.pos = end; + return bytes.subarray(pos, end); + }, + + peekByte: function ChunkedStream_peekByte() { + var peekedByte = this.getByte(); + this.pos--; + return peekedByte; + }, + + peekBytes: function ChunkedStream_peekBytes(length) { + var bytes = this.getBytes(length); + this.pos -= bytes.length; + return bytes; + }, + + getByteRange: function ChunkedStream_getBytes(begin, end) { + this.ensureRange(begin, end); + return this.bytes.subarray(begin, end); + }, + + skip: function ChunkedStream_skip(n) { + if (!n) { + n = 1; + } + this.pos += n; + }, + + reset: function ChunkedStream_reset() { + this.pos = this.start; + }, + + moveStart: function ChunkedStream_moveStart() { + this.start = this.pos; + }, + + makeSubStream: function ChunkedStream_makeSubStream(start, length, dict) { + this.ensureRange(start, start + length); + + function ChunkedStreamSubstream() {} + ChunkedStreamSubstream.prototype = Object.create(this); + ChunkedStreamSubstream.prototype.getMissingChunks = function() { + var chunkSize = this.chunkSize; + var beginChunk = Math.floor(this.start / chunkSize); + var endChunk = Math.floor((this.end - 1) / chunkSize) + 1; + var missingChunks = []; + for (var chunk = beginChunk; chunk < endChunk; ++chunk) { + if (!this.loadedChunks[chunk]) { + missingChunks.push(chunk); + } + } + return missingChunks; + }; + var subStream = new ChunkedStreamSubstream(); + subStream.pos = subStream.start = start; + subStream.end = start + length || this.end; + subStream.dict = dict; + return subStream; + }, + + isStream: true + }; + + return ChunkedStream; +})(); + +var ChunkedStreamManager = (function ChunkedStreamManagerClosure() { + + function ChunkedStreamManager(length, chunkSize, url, args) { + this.stream = new ChunkedStream(length, chunkSize, this); + this.length = length; + this.chunkSize = chunkSize; + this.url = url; + this.disableAutoFetch = args.disableAutoFetch; + var msgHandler = this.msgHandler = args.msgHandler; + + if (args.chunkedViewerLoading) { + msgHandler.on('OnDataRange', this.onReceiveData.bind(this)); + msgHandler.on('OnDataProgress', this.onProgress.bind(this)); + this.sendRequest = function ChunkedStreamManager_sendRequest(begin, end) { + msgHandler.send('RequestDataRange', { begin: begin, end: end }); + }; + } else { + + var getXhr = function getXhr() { + return new XMLHttpRequest(); + }; + this.networkManager = new NetworkManager(this.url, { + getXhr: getXhr, + httpHeaders: args.httpHeaders, + withCredentials: args.withCredentials + }); + this.sendRequest = function ChunkedStreamManager_sendRequest(begin, end) { + this.networkManager.requestRange(begin, end, { + onDone: this.onReceiveData.bind(this), + onProgress: this.onProgress.bind(this) + }); + }; + } + + this.currRequestId = 0; + + this.chunksNeededByRequest = {}; + this.requestsByChunk = {}; + this.promisesByRequest = {}; + this.progressiveDataLength = 0; + + this._loadedStreamCapability = createPromiseCapability(); + + if (args.initialData) { + this.onReceiveData({chunk: args.initialData}); + } + } + + ChunkedStreamManager.prototype = { + onLoadedStream: function ChunkedStreamManager_getLoadedStream() { + return this._loadedStreamCapability.promise; + }, + + // Get all the chunks that are not yet loaded and groups them into + // contiguous ranges to load in as few requests as possible + requestAllChunks: function ChunkedStreamManager_requestAllChunks() { + var missingChunks = this.stream.getMissingChunks(); + this._requestChunks(missingChunks); + return this._loadedStreamCapability.promise; + }, + + _requestChunks: function ChunkedStreamManager_requestChunks(chunks) { + var requestId = this.currRequestId++; + + var chunksNeeded; + var i, ii; + this.chunksNeededByRequest[requestId] = chunksNeeded = {}; + for (i = 0, ii = chunks.length; i < ii; i++) { + if (!this.stream.hasChunk(chunks[i])) { + chunksNeeded[chunks[i]] = true; + } + } + + if (isEmptyObj(chunksNeeded)) { + return Promise.resolve(); + } + + var capability = createPromiseCapability(); + this.promisesByRequest[requestId] = capability; + + var chunksToRequest = []; + for (var chunk in chunksNeeded) { + chunk = chunk | 0; + if (!(chunk in this.requestsByChunk)) { + this.requestsByChunk[chunk] = []; + chunksToRequest.push(chunk); + } + this.requestsByChunk[chunk].push(requestId); + } + + if (!chunksToRequest.length) { + return capability.promise; + } + + var groupedChunksToRequest = this.groupChunks(chunksToRequest); + + for (i = 0; i < groupedChunksToRequest.length; ++i) { + var groupedChunk = groupedChunksToRequest[i]; + var begin = groupedChunk.beginChunk * this.chunkSize; + var end = Math.min(groupedChunk.endChunk * this.chunkSize, this.length); + this.sendRequest(begin, end); + } + + return capability.promise; + }, + + getStream: function ChunkedStreamManager_getStream() { + return this.stream; + }, + + // Loads any chunks in the requested range that are not yet loaded + requestRange: function ChunkedStreamManager_requestRange(begin, end) { + + end = Math.min(end, this.length); + + var beginChunk = this.getBeginChunk(begin); + var endChunk = this.getEndChunk(end); + + var chunks = []; + for (var chunk = beginChunk; chunk < endChunk; ++chunk) { + chunks.push(chunk); + } + + return this._requestChunks(chunks); + }, + + requestRanges: function ChunkedStreamManager_requestRanges(ranges) { + ranges = ranges || []; + var chunksToRequest = []; + + for (var i = 0; i < ranges.length; i++) { + var beginChunk = this.getBeginChunk(ranges[i].begin); + var endChunk = this.getEndChunk(ranges[i].end); + for (var chunk = beginChunk; chunk < endChunk; ++chunk) { + if (chunksToRequest.indexOf(chunk) < 0) { + chunksToRequest.push(chunk); + } + } + } + + chunksToRequest.sort(function(a, b) { return a - b; }); + return this._requestChunks(chunksToRequest); + }, + + // Groups a sorted array of chunks into as few contiguous larger + // chunks as possible + groupChunks: function ChunkedStreamManager_groupChunks(chunks) { + var groupedChunks = []; + var beginChunk = -1; + var prevChunk = -1; + for (var i = 0; i < chunks.length; ++i) { + var chunk = chunks[i]; + + if (beginChunk < 0) { + beginChunk = chunk; + } + + if (prevChunk >= 0 && prevChunk + 1 !== chunk) { + groupedChunks.push({ beginChunk: beginChunk, + endChunk: prevChunk + 1 }); + beginChunk = chunk; + } + if (i + 1 === chunks.length) { + groupedChunks.push({ beginChunk: beginChunk, + endChunk: chunk + 1 }); + } + + prevChunk = chunk; + } + return groupedChunks; + }, + + onProgress: function ChunkedStreamManager_onProgress(args) { + var bytesLoaded = (this.stream.numChunksLoaded * this.chunkSize + + args.loaded); + this.msgHandler.send('DocProgress', { + loaded: bytesLoaded, + total: this.length + }); + }, + + onReceiveData: function ChunkedStreamManager_onReceiveData(args) { + var chunk = args.chunk; + var isProgressive = args.begin === undefined; + var begin = isProgressive ? this.progressiveDataLength : args.begin; + var end = begin + chunk.byteLength; + + var beginChunk = Math.floor(begin / this.chunkSize); + var endChunk = end < this.length ? Math.floor(end / this.chunkSize) : + Math.ceil(end / this.chunkSize); + + if (isProgressive) { + this.stream.onReceiveProgressiveData(chunk); + this.progressiveDataLength = end; + } else { + this.stream.onReceiveData(begin, chunk); + } + + if (this.stream.allChunksLoaded()) { + this._loadedStreamCapability.resolve(this.stream); + } + + var loadedRequests = []; + var i, requestId; + for (chunk = beginChunk; chunk < endChunk; ++chunk) { + // The server might return more chunks than requested + var requestIds = this.requestsByChunk[chunk] || []; + delete this.requestsByChunk[chunk]; + + for (i = 0; i < requestIds.length; ++i) { + requestId = requestIds[i]; + var chunksNeeded = this.chunksNeededByRequest[requestId]; + if (chunk in chunksNeeded) { + delete chunksNeeded[chunk]; + } + + if (!isEmptyObj(chunksNeeded)) { + continue; + } + + loadedRequests.push(requestId); + } + } + + // If there are no pending requests, automatically fetch the next + // unfetched chunk of the PDF + if (!this.disableAutoFetch && isEmptyObj(this.requestsByChunk)) { + var nextEmptyChunk; + if (this.stream.numChunksLoaded === 1) { + // This is a special optimization so that after fetching the first + // chunk, rather than fetching the second chunk, we fetch the last + // chunk. + var lastChunk = this.stream.numChunks - 1; + if (!this.stream.hasChunk(lastChunk)) { + nextEmptyChunk = lastChunk; + } + } else { + nextEmptyChunk = this.stream.nextEmptyChunk(endChunk); + } + if (isInt(nextEmptyChunk)) { + this._requestChunks([nextEmptyChunk]); + } + } + + for (i = 0; i < loadedRequests.length; ++i) { + requestId = loadedRequests[i]; + var capability = this.promisesByRequest[requestId]; + delete this.promisesByRequest[requestId]; + capability.resolve(); + } + + this.msgHandler.send('DocProgress', { + loaded: this.stream.numChunksLoaded * this.chunkSize, + total: this.length + }); + }, + + onError: function ChunkedStreamManager_onError(err) { + this._loadedStreamCapability.reject(err); + }, + + getBeginChunk: function ChunkedStreamManager_getBeginChunk(begin) { + var chunk = Math.floor(begin / this.chunkSize); + return chunk; + }, + + getEndChunk: function ChunkedStreamManager_getEndChunk(end) { + var chunk = Math.floor((end - 1) / this.chunkSize) + 1; + return chunk; + }, + + abort: function ChunkedStreamManager_abort() { + if (this.networkManager) { + this.networkManager.abortAllRequests(); + } + for(var requestId in this.promisesByRequest) { + var capability = this.promisesByRequest[requestId]; + capability.reject(new Error('Request was aborted')); + } + } + }; + + return ChunkedStreamManager; +})(); + +exports.ChunkedStream = ChunkedStream; +exports.ChunkedStreamManager = ChunkedStreamManager; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreJbig2 = {}), root.pdfjsSharedUtil, + root.pdfjsCoreArithmeticDecoder); + } +}(this, function (exports, sharedUtil, coreArithmeticDecoder) { + +var error = sharedUtil.error; +var log2 = sharedUtil.log2; +var readInt8 = sharedUtil.readInt8; +var readUint16 = sharedUtil.readUint16; +var readUint32 = sharedUtil.readUint32; +var shadow = sharedUtil.shadow; +var ArithmeticDecoder = coreArithmeticDecoder.ArithmeticDecoder; + +var Jbig2Image = (function Jbig2ImageClosure() { + // Utility data structures + function ContextCache() {} + + ContextCache.prototype = { + getContexts: function(id) { + if (id in this) { + return this[id]; + } + return (this[id] = new Int8Array(1 << 16)); + } + }; + + function DecodingContext(data, start, end) { + this.data = data; + this.start = start; + this.end = end; + } + + DecodingContext.prototype = { + get decoder() { + var decoder = new ArithmeticDecoder(this.data, this.start, this.end); + return shadow(this, 'decoder', decoder); + }, + get contextCache() { + var cache = new ContextCache(); + return shadow(this, 'contextCache', cache); + } + }; + + // Annex A. Arithmetic Integer Decoding Procedure + // A.2 Procedure for decoding values + function decodeInteger(contextCache, procedure, decoder) { + var contexts = contextCache.getContexts(procedure); + var prev = 1; + + function readBits(length) { + var v = 0; + for (var i = 0; i < length; i++) { + var bit = decoder.readBit(contexts, prev); + prev = (prev < 256 ? (prev << 1) | bit : + (((prev << 1) | bit) & 511) | 256); + v = (v << 1) | bit; + } + return v >>> 0; + } + + var sign = readBits(1); + var value = readBits(1) ? + (readBits(1) ? + (readBits(1) ? + (readBits(1) ? + (readBits(1) ? + (readBits(32) + 4436) : + readBits(12) + 340) : + readBits(8) + 84) : + readBits(6) + 20) : + readBits(4) + 4) : + readBits(2); + return (sign === 0 ? value : (value > 0 ? -value : null)); + } + + // A.3 The IAID decoding procedure + function decodeIAID(contextCache, decoder, codeLength) { + var contexts = contextCache.getContexts('IAID'); + + var prev = 1; + for (var i = 0; i < codeLength; i++) { + var bit = decoder.readBit(contexts, prev); + prev = (prev << 1) | bit; + } + if (codeLength < 31) { + return prev & ((1 << codeLength) - 1); + } + return prev & 0x7FFFFFFF; + } + + // 7.3 Segment types + var SegmentTypes = [ + 'SymbolDictionary', null, null, null, 'IntermediateTextRegion', null, + 'ImmediateTextRegion', 'ImmediateLosslessTextRegion', null, null, null, + null, null, null, null, null, 'patternDictionary', null, null, null, + 'IntermediateHalftoneRegion', null, 'ImmediateHalftoneRegion', + 'ImmediateLosslessHalftoneRegion', null, null, null, null, null, null, null, + null, null, null, null, null, 'IntermediateGenericRegion', null, + 'ImmediateGenericRegion', 'ImmediateLosslessGenericRegion', + 'IntermediateGenericRefinementRegion', null, + 'ImmediateGenericRefinementRegion', + 'ImmediateLosslessGenericRefinementRegion', null, null, null, null, + 'PageInformation', 'EndOfPage', 'EndOfStripe', 'EndOfFile', 'Profiles', + 'Tables', null, null, null, null, null, null, null, null, + 'Extension' + ]; + + var CodingTemplates = [ + [{x: -1, y: -2}, {x: 0, y: -2}, {x: 1, y: -2}, {x: -2, y: -1}, + {x: -1, y: -1}, {x: 0, y: -1}, {x: 1, y: -1}, {x: 2, y: -1}, + {x: -4, y: 0}, {x: -3, y: 0}, {x: -2, y: 0}, {x: -1, y: 0}], + [{x: -1, y: -2}, {x: 0, y: -2}, {x: 1, y: -2}, {x: 2, y: -2}, + {x: -2, y: -1}, {x: -1, y: -1}, {x: 0, y: -1}, {x: 1, y: -1}, + {x: 2, y: -1}, {x: -3, y: 0}, {x: -2, y: 0}, {x: -1, y: 0}], + [{x: -1, y: -2}, {x: 0, y: -2}, {x: 1, y: -2}, {x: -2, y: -1}, + {x: -1, y: -1}, {x: 0, y: -1}, {x: 1, y: -1}, {x: -2, y: 0}, + {x: -1, y: 0}], + [{x: -3, y: -1}, {x: -2, y: -1}, {x: -1, y: -1}, {x: 0, y: -1}, + {x: 1, y: -1}, {x: -4, y: 0}, {x: -3, y: 0}, {x: -2, y: 0}, {x: -1, y: 0}] + ]; + + var RefinementTemplates = [ + { + coding: [{x: 0, y: -1}, {x: 1, y: -1}, {x: -1, y: 0}], + reference: [{x: 0, y: -1}, {x: 1, y: -1}, {x: -1, y: 0}, {x: 0, y: 0}, + {x: 1, y: 0}, {x: -1, y: 1}, {x: 0, y: 1}, {x: 1, y: 1}] + }, + { + coding: [{x: -1, y: -1}, {x: 0, y: -1}, {x: 1, y: -1}, {x: -1, y: 0}], + reference: [{x: 0, y: -1}, {x: -1, y: 0}, {x: 0, y: 0}, {x: 1, y: 0}, + {x: 0, y: 1}, {x: 1, y: 1}] + } + ]; + + // See 6.2.5.7 Decoding the bitmap. + var ReusedContexts = [ + 0x9B25, // 10011 0110010 0101 + 0x0795, // 0011 110010 101 + 0x00E5, // 001 11001 01 + 0x0195 // 011001 0101 + ]; + + var RefinementReusedContexts = [ + 0x0020, // '000' + '0' (coding) + '00010000' + '0' (reference) + 0x0008 // '0000' + '001000' + ]; + + function decodeBitmapTemplate0(width, height, decodingContext) { + var decoder = decodingContext.decoder; + var contexts = decodingContext.contextCache.getContexts('GB'); + var contextLabel, i, j, pixel, row, row1, row2, bitmap = []; + + // ...ooooo.... + // ..ooooooo... Context template for current pixel (X) + // .ooooX...... (concatenate values of 'o'-pixels to get contextLabel) + var OLD_PIXEL_MASK = 0x7BF7; // 01111 0111111 0111 + + for (i = 0; i < height; i++) { + row = bitmap[i] = new Uint8Array(width); + row1 = (i < 1) ? row : bitmap[i - 1]; + row2 = (i < 2) ? row : bitmap[i - 2]; + + // At the beginning of each row: + // Fill contextLabel with pixels that are above/right of (X) + contextLabel = (row2[0] << 13) | (row2[1] << 12) | (row2[2] << 11) | + (row1[0] << 7) | (row1[1] << 6) | (row1[2] << 5) | + (row1[3] << 4); + + for (j = 0; j < width; j++) { + row[j] = pixel = decoder.readBit(contexts, contextLabel); + + // At each pixel: Clear contextLabel pixels that are shifted + // out of the context, then add new ones. + contextLabel = ((contextLabel & OLD_PIXEL_MASK) << 1) | + (j + 3 < width ? row2[j + 3] << 11 : 0) | + (j + 4 < width ? row1[j + 4] << 4 : 0) | pixel; + } + } + + return bitmap; + } + + // 6.2 Generic Region Decoding Procedure + function decodeBitmap(mmr, width, height, templateIndex, prediction, skip, at, + decodingContext) { + if (mmr) { + error('JBIG2 error: MMR encoding is not supported'); + } + + // Use optimized version for the most common case + if (templateIndex === 0 && !skip && !prediction && at.length === 4 && + at[0].x === 3 && at[0].y === -1 && at[1].x === -3 && at[1].y === -1 && + at[2].x === 2 && at[2].y === -2 && at[3].x === -2 && at[3].y === -2) { + return decodeBitmapTemplate0(width, height, decodingContext); + } + + var useskip = !!skip; + var template = CodingTemplates[templateIndex].concat(at); + + // Sorting is non-standard, and it is not required. But sorting increases + // the number of template bits that can be reused from the previous + // contextLabel in the main loop. + template.sort(function (a, b) { + return (a.y - b.y) || (a.x - b.x); + }); + + var templateLength = template.length; + var templateX = new Int8Array(templateLength); + var templateY = new Int8Array(templateLength); + var changingTemplateEntries = []; + var reuseMask = 0, minX = 0, maxX = 0, minY = 0; + var c, k; + + for (k = 0; k < templateLength; k++) { + templateX[k] = template[k].x; + templateY[k] = template[k].y; + minX = Math.min(minX, template[k].x); + maxX = Math.max(maxX, template[k].x); + minY = Math.min(minY, template[k].y); + // Check if the template pixel appears in two consecutive context labels, + // so it can be reused. Otherwise, we add it to the list of changing + // template entries. + if (k < templateLength - 1 && + template[k].y === template[k + 1].y && + template[k].x === template[k + 1].x - 1) { + reuseMask |= 1 << (templateLength - 1 - k); + } else { + changingTemplateEntries.push(k); + } + } + var changingEntriesLength = changingTemplateEntries.length; + + var changingTemplateX = new Int8Array(changingEntriesLength); + var changingTemplateY = new Int8Array(changingEntriesLength); + var changingTemplateBit = new Uint16Array(changingEntriesLength); + for (c = 0; c < changingEntriesLength; c++) { + k = changingTemplateEntries[c]; + changingTemplateX[c] = template[k].x; + changingTemplateY[c] = template[k].y; + changingTemplateBit[c] = 1 << (templateLength - 1 - k); + } + + // Get the safe bounding box edges from the width, height, minX, maxX, minY + var sbb_left = -minX; + var sbb_top = -minY; + var sbb_right = width - maxX; + + var pseudoPixelContext = ReusedContexts[templateIndex]; + var row = new Uint8Array(width); + var bitmap = []; + + var decoder = decodingContext.decoder; + var contexts = decodingContext.contextCache.getContexts('GB'); + + var ltp = 0, j, i0, j0, contextLabel = 0, bit, shift; + for (var i = 0; i < height; i++) { + if (prediction) { + var sltp = decoder.readBit(contexts, pseudoPixelContext); + ltp ^= sltp; + if (ltp) { + bitmap.push(row); // duplicate previous row + continue; + } + } + row = new Uint8Array(row); + bitmap.push(row); + for (j = 0; j < width; j++) { + if (useskip && skip[i][j]) { + row[j] = 0; + continue; + } + // Are we in the middle of a scanline, so we can reuse contextLabel + // bits? + if (j >= sbb_left && j < sbb_right && i >= sbb_top) { + // If yes, we can just shift the bits that are reusable and only + // fetch the remaining ones. + contextLabel = (contextLabel << 1) & reuseMask; + for (k = 0; k < changingEntriesLength; k++) { + i0 = i + changingTemplateY[k]; + j0 = j + changingTemplateX[k]; + bit = bitmap[i0][j0]; + if (bit) { + bit = changingTemplateBit[k]; + contextLabel |= bit; + } + } + } else { + // compute the contextLabel from scratch + contextLabel = 0; + shift = templateLength - 1; + for (k = 0; k < templateLength; k++, shift--) { + j0 = j + templateX[k]; + if (j0 >= 0 && j0 < width) { + i0 = i + templateY[k]; + if (i0 >= 0) { + bit = bitmap[i0][j0]; + if (bit) { + contextLabel |= bit << shift; + } + } + } + } + } + var pixel = decoder.readBit(contexts, contextLabel); + row[j] = pixel; + } + } + return bitmap; + } + + // 6.3.2 Generic Refinement Region Decoding Procedure + function decodeRefinement(width, height, templateIndex, referenceBitmap, + offsetX, offsetY, prediction, at, + decodingContext) { + var codingTemplate = RefinementTemplates[templateIndex].coding; + if (templateIndex === 0) { + codingTemplate = codingTemplate.concat([at[0]]); + } + var codingTemplateLength = codingTemplate.length; + var codingTemplateX = new Int32Array(codingTemplateLength); + var codingTemplateY = new Int32Array(codingTemplateLength); + var k; + for (k = 0; k < codingTemplateLength; k++) { + codingTemplateX[k] = codingTemplate[k].x; + codingTemplateY[k] = codingTemplate[k].y; + } + + var referenceTemplate = RefinementTemplates[templateIndex].reference; + if (templateIndex === 0) { + referenceTemplate = referenceTemplate.concat([at[1]]); + } + var referenceTemplateLength = referenceTemplate.length; + var referenceTemplateX = new Int32Array(referenceTemplateLength); + var referenceTemplateY = new Int32Array(referenceTemplateLength); + for (k = 0; k < referenceTemplateLength; k++) { + referenceTemplateX[k] = referenceTemplate[k].x; + referenceTemplateY[k] = referenceTemplate[k].y; + } + var referenceWidth = referenceBitmap[0].length; + var referenceHeight = referenceBitmap.length; + + var pseudoPixelContext = RefinementReusedContexts[templateIndex]; + var bitmap = []; + + var decoder = decodingContext.decoder; + var contexts = decodingContext.contextCache.getContexts('GR'); + + var ltp = 0; + for (var i = 0; i < height; i++) { + if (prediction) { + var sltp = decoder.readBit(contexts, pseudoPixelContext); + ltp ^= sltp; + if (ltp) { + error('JBIG2 error: prediction is not supported'); + } + } + var row = new Uint8Array(width); + bitmap.push(row); + for (var j = 0; j < width; j++) { + var i0, j0; + var contextLabel = 0; + for (k = 0; k < codingTemplateLength; k++) { + i0 = i + codingTemplateY[k]; + j0 = j + codingTemplateX[k]; + if (i0 < 0 || j0 < 0 || j0 >= width) { + contextLabel <<= 1; // out of bound pixel + } else { + contextLabel = (contextLabel << 1) | bitmap[i0][j0]; + } + } + for (k = 0; k < referenceTemplateLength; k++) { + i0 = i + referenceTemplateY[k] + offsetY; + j0 = j + referenceTemplateX[k] + offsetX; + if (i0 < 0 || i0 >= referenceHeight || j0 < 0 || + j0 >= referenceWidth) { + contextLabel <<= 1; // out of bound pixel + } else { + contextLabel = (contextLabel << 1) | referenceBitmap[i0][j0]; + } + } + var pixel = decoder.readBit(contexts, contextLabel); + row[j] = pixel; + } + } + + return bitmap; + } + + // 6.5.5 Decoding the symbol dictionary + function decodeSymbolDictionary(huffman, refinement, symbols, + numberOfNewSymbols, numberOfExportedSymbols, + huffmanTables, templateIndex, at, + refinementTemplateIndex, refinementAt, + decodingContext) { + if (huffman) { + error('JBIG2 error: huffman is not supported'); + } + + var newSymbols = []; + var currentHeight = 0; + var symbolCodeLength = log2(symbols.length + numberOfNewSymbols); + + var decoder = decodingContext.decoder; + var contextCache = decodingContext.contextCache; + + while (newSymbols.length < numberOfNewSymbols) { + var deltaHeight = decodeInteger(contextCache, 'IADH', decoder); // 6.5.6 + currentHeight += deltaHeight; + var currentWidth = 0; + var totalWidth = 0; + while (true) { + var deltaWidth = decodeInteger(contextCache, 'IADW', decoder); // 6.5.7 + if (deltaWidth === null) { + break; // OOB + } + currentWidth += deltaWidth; + totalWidth += currentWidth; + var bitmap; + if (refinement) { + // 6.5.8.2 Refinement/aggregate-coded symbol bitmap + var numberOfInstances = decodeInteger(contextCache, 'IAAI', decoder); + if (numberOfInstances > 1) { + bitmap = decodeTextRegion(huffman, refinement, + currentWidth, currentHeight, 0, + numberOfInstances, 1, //strip size + symbols.concat(newSymbols), + symbolCodeLength, + 0, //transposed + 0, //ds offset + 1, //top left 7.4.3.1.1 + 0, //OR operator + huffmanTables, + refinementTemplateIndex, refinementAt, + decodingContext); + } else { + var symbolId = decodeIAID(contextCache, decoder, symbolCodeLength); + var rdx = decodeInteger(contextCache, 'IARDX', decoder); // 6.4.11.3 + var rdy = decodeInteger(contextCache, 'IARDY', decoder); // 6.4.11.4 + var symbol = (symbolId < symbols.length ? symbols[symbolId] : + newSymbols[symbolId - symbols.length]); + bitmap = decodeRefinement(currentWidth, currentHeight, + refinementTemplateIndex, symbol, rdx, rdy, false, refinementAt, + decodingContext); + } + } else { + // 6.5.8.1 Direct-coded symbol bitmap + bitmap = decodeBitmap(false, currentWidth, currentHeight, + templateIndex, false, null, at, decodingContext); + } + newSymbols.push(bitmap); + } + } + // 6.5.10 Exported symbols + var exportedSymbols = []; + var flags = [], currentFlag = false; + var totalSymbolsLength = symbols.length + numberOfNewSymbols; + while (flags.length < totalSymbolsLength) { + var runLength = decodeInteger(contextCache, 'IAEX', decoder); + while (runLength--) { + flags.push(currentFlag); + } + currentFlag = !currentFlag; + } + for (var i = 0, ii = symbols.length; i < ii; i++) { + if (flags[i]) { + exportedSymbols.push(symbols[i]); + } + } + for (var j = 0; j < numberOfNewSymbols; i++, j++) { + if (flags[i]) { + exportedSymbols.push(newSymbols[j]); + } + } + return exportedSymbols; + } + + function decodeTextRegion(huffman, refinement, width, height, + defaultPixelValue, numberOfSymbolInstances, + stripSize, inputSymbols, symbolCodeLength, + transposed, dsOffset, referenceCorner, + combinationOperator, huffmanTables, + refinementTemplateIndex, refinementAt, + decodingContext) { + if (huffman) { + error('JBIG2 error: huffman is not supported'); + } + + // Prepare bitmap + var bitmap = []; + var i, row; + for (i = 0; i < height; i++) { + row = new Uint8Array(width); + if (defaultPixelValue) { + for (var j = 0; j < width; j++) { + row[j] = defaultPixelValue; + } + } + bitmap.push(row); + } + + var decoder = decodingContext.decoder; + var contextCache = decodingContext.contextCache; + var stripT = -decodeInteger(contextCache, 'IADT', decoder); // 6.4.6 + var firstS = 0; + i = 0; + while (i < numberOfSymbolInstances) { + var deltaT = decodeInteger(contextCache, 'IADT', decoder); // 6.4.6 + stripT += deltaT; + + var deltaFirstS = decodeInteger(contextCache, 'IAFS', decoder); // 6.4.7 + firstS += deltaFirstS; + var currentS = firstS; + do { + var currentT = (stripSize === 1 ? 0 : + decodeInteger(contextCache, 'IAIT', decoder)); // 6.4.9 + var t = stripSize * stripT + currentT; + var symbolId = decodeIAID(contextCache, decoder, symbolCodeLength); + var applyRefinement = (refinement && + decodeInteger(contextCache, 'IARI', decoder)); + var symbolBitmap = inputSymbols[symbolId]; + var symbolWidth = symbolBitmap[0].length; + var symbolHeight = symbolBitmap.length; + if (applyRefinement) { + var rdw = decodeInteger(contextCache, 'IARDW', decoder); // 6.4.11.1 + var rdh = decodeInteger(contextCache, 'IARDH', decoder); // 6.4.11.2 + var rdx = decodeInteger(contextCache, 'IARDX', decoder); // 6.4.11.3 + var rdy = decodeInteger(contextCache, 'IARDY', decoder); // 6.4.11.4 + symbolWidth += rdw; + symbolHeight += rdh; + symbolBitmap = decodeRefinement(symbolWidth, symbolHeight, + refinementTemplateIndex, symbolBitmap, (rdw >> 1) + rdx, + (rdh >> 1) + rdy, false, refinementAt, + decodingContext); + } + var offsetT = t - ((referenceCorner & 1) ? 0 : symbolHeight); + var offsetS = currentS - ((referenceCorner & 2) ? symbolWidth : 0); + var s2, t2, symbolRow; + if (transposed) { + // Place Symbol Bitmap from T1,S1 + for (s2 = 0; s2 < symbolHeight; s2++) { + row = bitmap[offsetS + s2]; + if (!row) { + continue; + } + symbolRow = symbolBitmap[s2]; + // To ignore Parts of Symbol bitmap which goes + // outside bitmap region + var maxWidth = Math.min(width - offsetT, symbolWidth); + switch (combinationOperator) { + case 0: // OR + for (t2 = 0; t2 < maxWidth; t2++) { + row[offsetT + t2] |= symbolRow[t2]; + } + break; + case 2: // XOR + for (t2 = 0; t2 < maxWidth; t2++) { + row[offsetT + t2] ^= symbolRow[t2]; + } + break; + default: + error('JBIG2 error: operator ' + combinationOperator + + ' is not supported'); + } + } + currentS += symbolHeight - 1; + } else { + for (t2 = 0; t2 < symbolHeight; t2++) { + row = bitmap[offsetT + t2]; + if (!row) { + continue; + } + symbolRow = symbolBitmap[t2]; + switch (combinationOperator) { + case 0: // OR + for (s2 = 0; s2 < symbolWidth; s2++) { + row[offsetS + s2] |= symbolRow[s2]; + } + break; + case 2: // XOR + for (s2 = 0; s2 < symbolWidth; s2++) { + row[offsetS + s2] ^= symbolRow[s2]; + } + break; + default: + error('JBIG2 error: operator ' + combinationOperator + + ' is not supported'); + } + } + currentS += symbolWidth - 1; + } + i++; + var deltaS = decodeInteger(contextCache, 'IADS', decoder); // 6.4.8 + if (deltaS === null) { + break; // OOB + } + currentS += deltaS + dsOffset; + } while (true); + } + return bitmap; + } + + function readSegmentHeader(data, start) { + var segmentHeader = {}; + segmentHeader.number = readUint32(data, start); + var flags = data[start + 4]; + var segmentType = flags & 0x3F; + if (!SegmentTypes[segmentType]) { + error('JBIG2 error: invalid segment type: ' + segmentType); + } + segmentHeader.type = segmentType; + segmentHeader.typeName = SegmentTypes[segmentType]; + segmentHeader.deferredNonRetain = !!(flags & 0x80); + + var pageAssociationFieldSize = !!(flags & 0x40); + var referredFlags = data[start + 5]; + var referredToCount = (referredFlags >> 5) & 7; + var retainBits = [referredFlags & 31]; + var position = start + 6; + if (referredFlags === 7) { + referredToCount = readUint32(data, position - 1) & 0x1FFFFFFF; + position += 3; + var bytes = (referredToCount + 7) >> 3; + retainBits[0] = data[position++]; + while (--bytes > 0) { + retainBits.push(data[position++]); + } + } else if (referredFlags === 5 || referredFlags === 6) { + error('JBIG2 error: invalid referred-to flags'); + } + + segmentHeader.retainBits = retainBits; + var referredToSegmentNumberSize = (segmentHeader.number <= 256 ? 1 : + (segmentHeader.number <= 65536 ? 2 : 4)); + var referredTo = []; + var i, ii; + for (i = 0; i < referredToCount; i++) { + var number = (referredToSegmentNumberSize === 1 ? data[position] : + (referredToSegmentNumberSize === 2 ? readUint16(data, position) : + readUint32(data, position))); + referredTo.push(number); + position += referredToSegmentNumberSize; + } + segmentHeader.referredTo = referredTo; + if (!pageAssociationFieldSize) { + segmentHeader.pageAssociation = data[position++]; + } else { + segmentHeader.pageAssociation = readUint32(data, position); + position += 4; + } + segmentHeader.length = readUint32(data, position); + position += 4; + + if (segmentHeader.length === 0xFFFFFFFF) { + // 7.2.7 Segment data length, unknown segment length + if (segmentType === 38) { // ImmediateGenericRegion + var genericRegionInfo = readRegionSegmentInformation(data, position); + var genericRegionSegmentFlags = data[position + + RegionSegmentInformationFieldLength]; + var genericRegionMmr = !!(genericRegionSegmentFlags & 1); + // searching for the segment end + var searchPatternLength = 6; + var searchPattern = new Uint8Array(searchPatternLength); + if (!genericRegionMmr) { + searchPattern[0] = 0xFF; + searchPattern[1] = 0xAC; + } + searchPattern[2] = (genericRegionInfo.height >>> 24) & 0xFF; + searchPattern[3] = (genericRegionInfo.height >> 16) & 0xFF; + searchPattern[4] = (genericRegionInfo.height >> 8) & 0xFF; + searchPattern[5] = genericRegionInfo.height & 0xFF; + for (i = position, ii = data.length; i < ii; i++) { + var j = 0; + while (j < searchPatternLength && searchPattern[j] === data[i + j]) { + j++; + } + if (j === searchPatternLength) { + segmentHeader.length = i + searchPatternLength; + break; + } + } + if (segmentHeader.length === 0xFFFFFFFF) { + error('JBIG2 error: segment end was not found'); + } + } else { + error('JBIG2 error: invalid unknown segment length'); + } + } + segmentHeader.headerEnd = position; + return segmentHeader; + } + + function readSegments(header, data, start, end) { + var segments = []; + var position = start; + while (position < end) { + var segmentHeader = readSegmentHeader(data, position); + position = segmentHeader.headerEnd; + var segment = { + header: segmentHeader, + data: data + }; + if (!header.randomAccess) { + segment.start = position; + position += segmentHeader.length; + segment.end = position; + } + segments.push(segment); + if (segmentHeader.type === 51) { + break; // end of file is found + } + } + if (header.randomAccess) { + for (var i = 0, ii = segments.length; i < ii; i++) { + segments[i].start = position; + position += segments[i].header.length; + segments[i].end = position; + } + } + return segments; + } + + // 7.4.1 Region segment information field + function readRegionSegmentInformation(data, start) { + return { + width: readUint32(data, start), + height: readUint32(data, start + 4), + x: readUint32(data, start + 8), + y: readUint32(data, start + 12), + combinationOperator: data[start + 16] & 7 + }; + } + var RegionSegmentInformationFieldLength = 17; + + function processSegment(segment, visitor) { + var header = segment.header; + + var data = segment.data, position = segment.start, end = segment.end; + var args, at, i, atLength; + switch (header.type) { + case 0: // SymbolDictionary + // 7.4.2 Symbol dictionary segment syntax + var dictionary = {}; + var dictionaryFlags = readUint16(data, position); // 7.4.2.1.1 + dictionary.huffman = !!(dictionaryFlags & 1); + dictionary.refinement = !!(dictionaryFlags & 2); + dictionary.huffmanDHSelector = (dictionaryFlags >> 2) & 3; + dictionary.huffmanDWSelector = (dictionaryFlags >> 4) & 3; + dictionary.bitmapSizeSelector = (dictionaryFlags >> 6) & 1; + dictionary.aggregationInstancesSelector = (dictionaryFlags >> 7) & 1; + dictionary.bitmapCodingContextUsed = !!(dictionaryFlags & 256); + dictionary.bitmapCodingContextRetained = !!(dictionaryFlags & 512); + dictionary.template = (dictionaryFlags >> 10) & 3; + dictionary.refinementTemplate = (dictionaryFlags >> 12) & 1; + position += 2; + if (!dictionary.huffman) { + atLength = dictionary.template === 0 ? 4 : 1; + at = []; + for (i = 0; i < atLength; i++) { + at.push({ + x: readInt8(data, position), + y: readInt8(data, position + 1) + }); + position += 2; + } + dictionary.at = at; + } + if (dictionary.refinement && !dictionary.refinementTemplate) { + at = []; + for (i = 0; i < 2; i++) { + at.push({ + x: readInt8(data, position), + y: readInt8(data, position + 1) + }); + position += 2; + } + dictionary.refinementAt = at; + } + dictionary.numberOfExportedSymbols = readUint32(data, position); + position += 4; + dictionary.numberOfNewSymbols = readUint32(data, position); + position += 4; + args = [dictionary, header.number, header.referredTo, + data, position, end]; + break; + case 6: // ImmediateTextRegion + case 7: // ImmediateLosslessTextRegion + var textRegion = {}; + textRegion.info = readRegionSegmentInformation(data, position); + position += RegionSegmentInformationFieldLength; + var textRegionSegmentFlags = readUint16(data, position); + position += 2; + textRegion.huffman = !!(textRegionSegmentFlags & 1); + textRegion.refinement = !!(textRegionSegmentFlags & 2); + textRegion.stripSize = 1 << ((textRegionSegmentFlags >> 2) & 3); + textRegion.referenceCorner = (textRegionSegmentFlags >> 4) & 3; + textRegion.transposed = !!(textRegionSegmentFlags & 64); + textRegion.combinationOperator = (textRegionSegmentFlags >> 7) & 3; + textRegion.defaultPixelValue = (textRegionSegmentFlags >> 9) & 1; + textRegion.dsOffset = (textRegionSegmentFlags << 17) >> 27; + textRegion.refinementTemplate = (textRegionSegmentFlags >> 15) & 1; + if (textRegion.huffman) { + var textRegionHuffmanFlags = readUint16(data, position); + position += 2; + textRegion.huffmanFS = (textRegionHuffmanFlags) & 3; + textRegion.huffmanDS = (textRegionHuffmanFlags >> 2) & 3; + textRegion.huffmanDT = (textRegionHuffmanFlags >> 4) & 3; + textRegion.huffmanRefinementDW = (textRegionHuffmanFlags >> 6) & 3; + textRegion.huffmanRefinementDH = (textRegionHuffmanFlags >> 8) & 3; + textRegion.huffmanRefinementDX = (textRegionHuffmanFlags >> 10) & 3; + textRegion.huffmanRefinementDY = (textRegionHuffmanFlags >> 12) & 3; + textRegion.huffmanRefinementSizeSelector = + !!(textRegionHuffmanFlags & 14); + } + if (textRegion.refinement && !textRegion.refinementTemplate) { + at = []; + for (i = 0; i < 2; i++) { + at.push({ + x: readInt8(data, position), + y: readInt8(data, position + 1) + }); + position += 2; + } + textRegion.refinementAt = at; + } + textRegion.numberOfSymbolInstances = readUint32(data, position); + position += 4; + // TODO 7.4.3.1.7 Symbol ID Huffman table decoding + if (textRegion.huffman) { + error('JBIG2 error: huffman is not supported'); + } + args = [textRegion, header.referredTo, data, position, end]; + break; + case 38: // ImmediateGenericRegion + case 39: // ImmediateLosslessGenericRegion + var genericRegion = {}; + genericRegion.info = readRegionSegmentInformation(data, position); + position += RegionSegmentInformationFieldLength; + var genericRegionSegmentFlags = data[position++]; + genericRegion.mmr = !!(genericRegionSegmentFlags & 1); + genericRegion.template = (genericRegionSegmentFlags >> 1) & 3; + genericRegion.prediction = !!(genericRegionSegmentFlags & 8); + if (!genericRegion.mmr) { + atLength = genericRegion.template === 0 ? 4 : 1; + at = []; + for (i = 0; i < atLength; i++) { + at.push({ + x: readInt8(data, position), + y: readInt8(data, position + 1) + }); + position += 2; + } + genericRegion.at = at; + } + args = [genericRegion, data, position, end]; + break; + case 48: // PageInformation + var pageInfo = { + width: readUint32(data, position), + height: readUint32(data, position + 4), + resolutionX: readUint32(data, position + 8), + resolutionY: readUint32(data, position + 12) + }; + if (pageInfo.height === 0xFFFFFFFF) { + delete pageInfo.height; + } + var pageSegmentFlags = data[position + 16]; + var pageStripingInformation = readUint16(data, position + 17); + pageInfo.lossless = !!(pageSegmentFlags & 1); + pageInfo.refinement = !!(pageSegmentFlags & 2); + pageInfo.defaultPixelValue = (pageSegmentFlags >> 2) & 1; + pageInfo.combinationOperator = (pageSegmentFlags >> 3) & 3; + pageInfo.requiresBuffer = !!(pageSegmentFlags & 32); + pageInfo.combinationOperatorOverride = !!(pageSegmentFlags & 64); + args = [pageInfo]; + break; + case 49: // EndOfPage + break; + case 50: // EndOfStripe + break; + case 51: // EndOfFile + break; + case 62: // 7.4.15 defines 2 extension types which + // are comments and can be ignored. + break; + default: + error('JBIG2 error: segment type ' + header.typeName + '(' + + header.type + ') is not implemented'); + } + var callbackName = 'on' + header.typeName; + if (callbackName in visitor) { + visitor[callbackName].apply(visitor, args); + } + } + + function processSegments(segments, visitor) { + for (var i = 0, ii = segments.length; i < ii; i++) { + processSegment(segments[i], visitor); + } + } + + function parseJbig2(data, start, end) { + var position = start; + if (data[position] !== 0x97 || data[position + 1] !== 0x4A || + data[position + 2] !== 0x42 || data[position + 3] !== 0x32 || + data[position + 4] !== 0x0D || data[position + 5] !== 0x0A || + data[position + 6] !== 0x1A || data[position + 7] !== 0x0A) { + error('JBIG2 error: invalid header'); + } + var header = {}; + position += 8; + var flags = data[position++]; + header.randomAccess = !(flags & 1); + if (!(flags & 2)) { + header.numberOfPages = readUint32(data, position); + position += 4; + } + var segments = readSegments(header, data, position, end); + error('Not implemented'); + // processSegments(segments, new SimpleSegmentVisitor()); + } + + function parseJbig2Chunks(chunks) { + var visitor = new SimpleSegmentVisitor(); + for (var i = 0, ii = chunks.length; i < ii; i++) { + var chunk = chunks[i]; + var segments = readSegments({}, chunk.data, chunk.start, chunk.end); + processSegments(segments, visitor); + } + return visitor.buffer; + } + + function SimpleSegmentVisitor() {} + + SimpleSegmentVisitor.prototype = { + onPageInformation: function SimpleSegmentVisitor_onPageInformation(info) { + this.currentPageInfo = info; + var rowSize = (info.width + 7) >> 3; + var buffer = new Uint8Array(rowSize * info.height); + // The contents of ArrayBuffers are initialized to 0. + // Fill the buffer with 0xFF only if info.defaultPixelValue is set + if (info.defaultPixelValue) { + for (var i = 0, ii = buffer.length; i < ii; i++) { + buffer[i] = 0xFF; + } + } + this.buffer = buffer; + }, + drawBitmap: function SimpleSegmentVisitor_drawBitmap(regionInfo, bitmap) { + var pageInfo = this.currentPageInfo; + var width = regionInfo.width, height = regionInfo.height; + var rowSize = (pageInfo.width + 7) >> 3; + var combinationOperator = pageInfo.combinationOperatorOverride ? + regionInfo.combinationOperator : pageInfo.combinationOperator; + var buffer = this.buffer; + var mask0 = 128 >> (regionInfo.x & 7); + var offset0 = regionInfo.y * rowSize + (regionInfo.x >> 3); + var i, j, mask, offset; + switch (combinationOperator) { + case 0: // OR + for (i = 0; i < height; i++) { + mask = mask0; + offset = offset0; + for (j = 0; j < width; j++) { + if (bitmap[i][j]) { + buffer[offset] |= mask; + } + mask >>= 1; + if (!mask) { + mask = 128; + offset++; + } + } + offset0 += rowSize; + } + break; + case 2: // XOR + for (i = 0; i < height; i++) { + mask = mask0; + offset = offset0; + for (j = 0; j < width; j++) { + if (bitmap[i][j]) { + buffer[offset] ^= mask; + } + mask >>= 1; + if (!mask) { + mask = 128; + offset++; + } + } + offset0 += rowSize; + } + break; + default: + error('JBIG2 error: operator ' + combinationOperator + + ' is not supported'); + } + }, + onImmediateGenericRegion: + function SimpleSegmentVisitor_onImmediateGenericRegion(region, data, + start, end) { + var regionInfo = region.info; + var decodingContext = new DecodingContext(data, start, end); + var bitmap = decodeBitmap(region.mmr, regionInfo.width, regionInfo.height, + region.template, region.prediction, null, + region.at, decodingContext); + this.drawBitmap(regionInfo, bitmap); + }, + onImmediateLosslessGenericRegion: + function SimpleSegmentVisitor_onImmediateLosslessGenericRegion() { + this.onImmediateGenericRegion.apply(this, arguments); + }, + onSymbolDictionary: + function SimpleSegmentVisitor_onSymbolDictionary(dictionary, + currentSegment, + referredSegments, + data, start, end) { + var huffmanTables; + if (dictionary.huffman) { + error('JBIG2 error: huffman is not supported'); + } + + // Combines exported symbols from all referred segments + var symbols = this.symbols; + if (!symbols) { + this.symbols = symbols = {}; + } + + var inputSymbols = []; + for (var i = 0, ii = referredSegments.length; i < ii; i++) { + inputSymbols = inputSymbols.concat(symbols[referredSegments[i]]); + } + + var decodingContext = new DecodingContext(data, start, end); + symbols[currentSegment] = decodeSymbolDictionary(dictionary.huffman, + dictionary.refinement, inputSymbols, dictionary.numberOfNewSymbols, + dictionary.numberOfExportedSymbols, huffmanTables, + dictionary.template, dictionary.at, + dictionary.refinementTemplate, dictionary.refinementAt, + decodingContext); + }, + onImmediateTextRegion: + function SimpleSegmentVisitor_onImmediateTextRegion(region, + referredSegments, + data, start, end) { + var regionInfo = region.info; + var huffmanTables; + + // Combines exported symbols from all referred segments + var symbols = this.symbols; + var inputSymbols = []; + for (var i = 0, ii = referredSegments.length; i < ii; i++) { + inputSymbols = inputSymbols.concat(symbols[referredSegments[i]]); + } + var symbolCodeLength = log2(inputSymbols.length); + + var decodingContext = new DecodingContext(data, start, end); + var bitmap = decodeTextRegion(region.huffman, region.refinement, + regionInfo.width, regionInfo.height, region.defaultPixelValue, + region.numberOfSymbolInstances, region.stripSize, inputSymbols, + symbolCodeLength, region.transposed, region.dsOffset, + region.referenceCorner, region.combinationOperator, huffmanTables, + region.refinementTemplate, region.refinementAt, decodingContext); + this.drawBitmap(regionInfo, bitmap); + }, + onImmediateLosslessTextRegion: + function SimpleSegmentVisitor_onImmediateLosslessTextRegion() { + this.onImmediateTextRegion.apply(this, arguments); + } + }; + + function Jbig2Image() {} + + Jbig2Image.prototype = { + parseChunks: function Jbig2Image_parseChunks(chunks) { + return parseJbig2Chunks(chunks); + } + }; + + return Jbig2Image; +})(); + +exports.Jbig2Image = Jbig2Image; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreJpx = {}), root.pdfjsSharedUtil, + root.pdfjsCoreArithmeticDecoder); + } +}(this, function (exports, sharedUtil, coreArithmeticDecoder) { + +var info = sharedUtil.info; +var log2 = sharedUtil.log2; +var readUint16 = sharedUtil.readUint16; +var readUint32 = sharedUtil.readUint32; +var warn = sharedUtil.warn; +var ArithmeticDecoder = coreArithmeticDecoder.ArithmeticDecoder; + +var JpxImage = (function JpxImageClosure() { + // Table E.1 + var SubbandsGainLog2 = { + 'LL': 0, + 'LH': 1, + 'HL': 1, + 'HH': 2 + }; + function JpxImage() { + this.failOnCorruptedImage = false; + } + JpxImage.prototype = { + parse: function JpxImage_parse(data) { + + var head = readUint16(data, 0); + // No box header, immediate start of codestream (SOC) + if (head === 0xFF4F) { + this.parseCodestream(data, 0, data.length); + return; + } + + var position = 0, length = data.length; + while (position < length) { + var headerSize = 8; + var lbox = readUint32(data, position); + var tbox = readUint32(data, position + 4); + position += headerSize; + if (lbox === 1) { + // XLBox: read UInt64 according to spec. + // JavaScript's int precision of 53 bit should be sufficient here. + lbox = readUint32(data, position) * 4294967296 + + readUint32(data, position + 4); + position += 8; + headerSize += 8; + } + if (lbox === 0) { + lbox = length - position + headerSize; + } + if (lbox < headerSize) { + throw new Error('JPX Error: Invalid box field size'); + } + var dataLength = lbox - headerSize; + var jumpDataLength = true; + switch (tbox) { + case 0x6A703268: // 'jp2h' + jumpDataLength = false; // parsing child boxes + break; + case 0x636F6C72: // 'colr' + // Colorspaces are not used, the CS from the PDF is used. + var method = data[position]; + if (method === 1) { + // enumerated colorspace + var colorspace = readUint32(data, position + 3); + switch (colorspace) { + case 16: // this indicates a sRGB colorspace + case 17: // this indicates a grayscale colorspace + case 18: // this indicates a YUV colorspace + break; + default: + warn('Unknown colorspace ' + colorspace); + break; + } + } else if (method === 2) { + info('ICC profile not supported'); + } + break; + case 0x6A703263: // 'jp2c' + this.parseCodestream(data, position, position + dataLength); + break; + case 0x6A502020: // 'jP\024\024' + if (0x0d0a870a !== readUint32(data, position)) { + warn('Invalid JP2 signature'); + } + break; + // The following header types are valid but currently not used: + case 0x6A501A1A: // 'jP\032\032' + case 0x66747970: // 'ftyp' + case 0x72726571: // 'rreq' + case 0x72657320: // 'res ' + case 0x69686472: // 'ihdr' + break; + default: + var headerType = String.fromCharCode((tbox >> 24) & 0xFF, + (tbox >> 16) & 0xFF, + (tbox >> 8) & 0xFF, + tbox & 0xFF); + warn('Unsupported header type ' + tbox + ' (' + headerType + ')'); + break; + } + if (jumpDataLength) { + position += dataLength; + } + } + }, + parseImageProperties: function JpxImage_parseImageProperties(stream) { + var newByte = stream.getByte(); + while (newByte >= 0) { + var oldByte = newByte; + newByte = stream.getByte(); + var code = (oldByte << 8) | newByte; + // Image and tile size (SIZ) + if (code === 0xFF51) { + stream.skip(4); + var Xsiz = stream.getInt32() >>> 0; // Byte 4 + var Ysiz = stream.getInt32() >>> 0; // Byte 8 + var XOsiz = stream.getInt32() >>> 0; // Byte 12 + var YOsiz = stream.getInt32() >>> 0; // Byte 16 + stream.skip(16); + var Csiz = stream.getUint16(); // Byte 36 + this.width = Xsiz - XOsiz; + this.height = Ysiz - YOsiz; + this.componentsCount = Csiz; + // Results are always returned as Uint8Arrays + this.bitsPerComponent = 8; + return; + } + } + throw new Error('JPX Error: No size marker found in JPX stream'); + }, + parseCodestream: function JpxImage_parseCodestream(data, start, end) { + var context = {}; + try { + var doNotRecover = false; + var position = start; + while (position + 1 < end) { + var code = readUint16(data, position); + position += 2; + + var length = 0, j, sqcd, spqcds, spqcdSize, scalarExpounded, tile; + switch (code) { + case 0xFF4F: // Start of codestream (SOC) + context.mainHeader = true; + break; + case 0xFFD9: // End of codestream (EOC) + break; + case 0xFF51: // Image and tile size (SIZ) + length = readUint16(data, position); + var siz = {}; + siz.Xsiz = readUint32(data, position + 4); + siz.Ysiz = readUint32(data, position + 8); + siz.XOsiz = readUint32(data, position + 12); + siz.YOsiz = readUint32(data, position + 16); + siz.XTsiz = readUint32(data, position + 20); + siz.YTsiz = readUint32(data, position + 24); + siz.XTOsiz = readUint32(data, position + 28); + siz.YTOsiz = readUint32(data, position + 32); + var componentsCount = readUint16(data, position + 36); + siz.Csiz = componentsCount; + var components = []; + j = position + 38; + for (var i = 0; i < componentsCount; i++) { + var component = { + precision: (data[j] & 0x7F) + 1, + isSigned: !!(data[j] & 0x80), + XRsiz: data[j + 1], + YRsiz: data[j + 1] + }; + calculateComponentDimensions(component, siz); + components.push(component); + } + context.SIZ = siz; + context.components = components; + calculateTileGrids(context, components); + context.QCC = []; + context.COC = []; + break; + case 0xFF5C: // Quantization default (QCD) + length = readUint16(data, position); + var qcd = {}; + j = position + 2; + sqcd = data[j++]; + switch (sqcd & 0x1F) { + case 0: + spqcdSize = 8; + scalarExpounded = true; + break; + case 1: + spqcdSize = 16; + scalarExpounded = false; + break; + case 2: + spqcdSize = 16; + scalarExpounded = true; + break; + default: + throw new Error('JPX Error: Invalid SQcd value ' + sqcd); + } + qcd.noQuantization = (spqcdSize === 8); + qcd.scalarExpounded = scalarExpounded; + qcd.guardBits = sqcd >> 5; + spqcds = []; + while (j < length + position) { + var spqcd = {}; + if (spqcdSize === 8) { + spqcd.epsilon = data[j++] >> 3; + spqcd.mu = 0; + } else { + spqcd.epsilon = data[j] >> 3; + spqcd.mu = ((data[j] & 0x7) << 8) | data[j + 1]; + j += 2; + } + spqcds.push(spqcd); + } + qcd.SPqcds = spqcds; + if (context.mainHeader) { + context.QCD = qcd; + } else { + context.currentTile.QCD = qcd; + context.currentTile.QCC = []; + } + break; + case 0xFF5D: // Quantization component (QCC) + length = readUint16(data, position); + var qcc = {}; + j = position + 2; + var cqcc; + if (context.SIZ.Csiz < 257) { + cqcc = data[j++]; + } else { + cqcc = readUint16(data, j); + j += 2; + } + sqcd = data[j++]; + switch (sqcd & 0x1F) { + case 0: + spqcdSize = 8; + scalarExpounded = true; + break; + case 1: + spqcdSize = 16; + scalarExpounded = false; + break; + case 2: + spqcdSize = 16; + scalarExpounded = true; + break; + default: + throw new Error('JPX Error: Invalid SQcd value ' + sqcd); + } + qcc.noQuantization = (spqcdSize === 8); + qcc.scalarExpounded = scalarExpounded; + qcc.guardBits = sqcd >> 5; + spqcds = []; + while (j < (length + position)) { + spqcd = {}; + if (spqcdSize === 8) { + spqcd.epsilon = data[j++] >> 3; + spqcd.mu = 0; + } else { + spqcd.epsilon = data[j] >> 3; + spqcd.mu = ((data[j] & 0x7) << 8) | data[j + 1]; + j += 2; + } + spqcds.push(spqcd); + } + qcc.SPqcds = spqcds; + if (context.mainHeader) { + context.QCC[cqcc] = qcc; + } else { + context.currentTile.QCC[cqcc] = qcc; + } + break; + case 0xFF52: // Coding style default (COD) + length = readUint16(data, position); + var cod = {}; + j = position + 2; + var scod = data[j++]; + cod.entropyCoderWithCustomPrecincts = !!(scod & 1); + cod.sopMarkerUsed = !!(scod & 2); + cod.ephMarkerUsed = !!(scod & 4); + cod.progressionOrder = data[j++]; + cod.layersCount = readUint16(data, j); + j += 2; + cod.multipleComponentTransform = data[j++]; + + cod.decompositionLevelsCount = data[j++]; + cod.xcb = (data[j++] & 0xF) + 2; + cod.ycb = (data[j++] & 0xF) + 2; + var blockStyle = data[j++]; + cod.selectiveArithmeticCodingBypass = !!(blockStyle & 1); + cod.resetContextProbabilities = !!(blockStyle & 2); + cod.terminationOnEachCodingPass = !!(blockStyle & 4); + cod.verticalyStripe = !!(blockStyle & 8); + cod.predictableTermination = !!(blockStyle & 16); + cod.segmentationSymbolUsed = !!(blockStyle & 32); + cod.reversibleTransformation = data[j++]; + if (cod.entropyCoderWithCustomPrecincts) { + var precinctsSizes = []; + while (j < length + position) { + var precinctsSize = data[j++]; + precinctsSizes.push({ + PPx: precinctsSize & 0xF, + PPy: precinctsSize >> 4 + }); + } + cod.precinctsSizes = precinctsSizes; + } + var unsupported = []; + if (cod.selectiveArithmeticCodingBypass) { + unsupported.push('selectiveArithmeticCodingBypass'); + } + if (cod.resetContextProbabilities) { + unsupported.push('resetContextProbabilities'); + } + if (cod.terminationOnEachCodingPass) { + unsupported.push('terminationOnEachCodingPass'); + } + if (cod.verticalyStripe) { + unsupported.push('verticalyStripe'); + } + if (cod.predictableTermination) { + unsupported.push('predictableTermination'); + } + if (unsupported.length > 0) { + doNotRecover = true; + throw new Error('JPX Error: Unsupported COD options (' + + unsupported.join(', ') + ')'); + } + if (context.mainHeader) { + context.COD = cod; + } else { + context.currentTile.COD = cod; + context.currentTile.COC = []; + } + break; + case 0xFF90: // Start of tile-part (SOT) + length = readUint16(data, position); + tile = {}; + tile.index = readUint16(data, position + 2); + tile.length = readUint32(data, position + 4); + tile.dataEnd = tile.length + position - 2; + tile.partIndex = data[position + 8]; + tile.partsCount = data[position + 9]; + + context.mainHeader = false; + if (tile.partIndex === 0) { + // reset component specific settings + tile.COD = context.COD; + tile.COC = context.COC.slice(0); // clone of the global COC + tile.QCD = context.QCD; + tile.QCC = context.QCC.slice(0); // clone of the global COC + } + context.currentTile = tile; + break; + case 0xFF93: // Start of data (SOD) + tile = context.currentTile; + if (tile.partIndex === 0) { + initializeTile(context, tile.index); + buildPackets(context); + } + + // moving to the end of the data + length = tile.dataEnd - position; + parseTilePackets(context, data, position, length); + break; + case 0xFF55: // Tile-part lengths, main header (TLM) + case 0xFF57: // Packet length, main header (PLM) + case 0xFF58: // Packet length, tile-part header (PLT) + case 0xFF64: // Comment (COM) + length = readUint16(data, position); + // skipping content + break; + case 0xFF53: // Coding style component (COC) + throw new Error('JPX Error: Codestream code 0xFF53 (COC) is ' + + 'not implemented'); + default: + throw new Error('JPX Error: Unknown codestream code: ' + + code.toString(16)); + } + position += length; + } + } catch (e) { + if (doNotRecover || this.failOnCorruptedImage) { + throw e; + } else { + warn('Trying to recover from ' + e.message); + } + } + this.tiles = transformComponents(context); + this.width = context.SIZ.Xsiz - context.SIZ.XOsiz; + this.height = context.SIZ.Ysiz - context.SIZ.YOsiz; + this.componentsCount = context.SIZ.Csiz; + } + }; + function calculateComponentDimensions(component, siz) { + // Section B.2 Component mapping + component.x0 = Math.ceil(siz.XOsiz / component.XRsiz); + component.x1 = Math.ceil(siz.Xsiz / component.XRsiz); + component.y0 = Math.ceil(siz.YOsiz / component.YRsiz); + component.y1 = Math.ceil(siz.Ysiz / component.YRsiz); + component.width = component.x1 - component.x0; + component.height = component.y1 - component.y0; + } + function calculateTileGrids(context, components) { + var siz = context.SIZ; + // Section B.3 Division into tile and tile-components + var tile, tiles = []; + var numXtiles = Math.ceil((siz.Xsiz - siz.XTOsiz) / siz.XTsiz); + var numYtiles = Math.ceil((siz.Ysiz - siz.YTOsiz) / siz.YTsiz); + for (var q = 0; q < numYtiles; q++) { + for (var p = 0; p < numXtiles; p++) { + tile = {}; + tile.tx0 = Math.max(siz.XTOsiz + p * siz.XTsiz, siz.XOsiz); + tile.ty0 = Math.max(siz.YTOsiz + q * siz.YTsiz, siz.YOsiz); + tile.tx1 = Math.min(siz.XTOsiz + (p + 1) * siz.XTsiz, siz.Xsiz); + tile.ty1 = Math.min(siz.YTOsiz + (q + 1) * siz.YTsiz, siz.Ysiz); + tile.width = tile.tx1 - tile.tx0; + tile.height = tile.ty1 - tile.ty0; + tile.components = []; + tiles.push(tile); + } + } + context.tiles = tiles; + + var componentsCount = siz.Csiz; + for (var i = 0, ii = componentsCount; i < ii; i++) { + var component = components[i]; + for (var j = 0, jj = tiles.length; j < jj; j++) { + var tileComponent = {}; + tile = tiles[j]; + tileComponent.tcx0 = Math.ceil(tile.tx0 / component.XRsiz); + tileComponent.tcy0 = Math.ceil(tile.ty0 / component.YRsiz); + tileComponent.tcx1 = Math.ceil(tile.tx1 / component.XRsiz); + tileComponent.tcy1 = Math.ceil(tile.ty1 / component.YRsiz); + tileComponent.width = tileComponent.tcx1 - tileComponent.tcx0; + tileComponent.height = tileComponent.tcy1 - tileComponent.tcy0; + tile.components[i] = tileComponent; + } + } + } + function getBlocksDimensions(context, component, r) { + var codOrCoc = component.codingStyleParameters; + var result = {}; + if (!codOrCoc.entropyCoderWithCustomPrecincts) { + result.PPx = 15; + result.PPy = 15; + } else { + result.PPx = codOrCoc.precinctsSizes[r].PPx; + result.PPy = codOrCoc.precinctsSizes[r].PPy; + } + // calculate codeblock size as described in section B.7 + result.xcb_ = (r > 0 ? Math.min(codOrCoc.xcb, result.PPx - 1) : + Math.min(codOrCoc.xcb, result.PPx)); + result.ycb_ = (r > 0 ? Math.min(codOrCoc.ycb, result.PPy - 1) : + Math.min(codOrCoc.ycb, result.PPy)); + return result; + } + function buildPrecincts(context, resolution, dimensions) { + // Section B.6 Division resolution to precincts + var precinctWidth = 1 << dimensions.PPx; + var precinctHeight = 1 << dimensions.PPy; + // Jasper introduces codeblock groups for mapping each subband codeblocks + // to precincts. Precinct partition divides a resolution according to width + // and height parameters. The subband that belongs to the resolution level + // has a different size than the level, unless it is the zero resolution. + + // From Jasper documentation: jpeg2000.pdf, section K: Tier-2 coding: + // The precinct partitioning for a particular subband is derived from a + // partitioning of its parent LL band (i.e., the LL band at the next higher + // resolution level)... The LL band associated with each resolution level is + // divided into precincts... Each of the resulting precinct regions is then + // mapped into its child subbands (if any) at the next lower resolution + // level. This is accomplished by using the coordinate transformation + // (u, v) = (ceil(x/2), ceil(y/2)) where (x, y) and (u, v) are the + // coordinates of a point in the LL band and child subband, respectively. + var isZeroRes = resolution.resLevel === 0; + var precinctWidthInSubband = 1 << (dimensions.PPx + (isZeroRes ? 0 : -1)); + var precinctHeightInSubband = 1 << (dimensions.PPy + (isZeroRes ? 0 : -1)); + var numprecinctswide = (resolution.trx1 > resolution.trx0 ? + Math.ceil(resolution.trx1 / precinctWidth) - + Math.floor(resolution.trx0 / precinctWidth) : 0); + var numprecinctshigh = (resolution.try1 > resolution.try0 ? + Math.ceil(resolution.try1 / precinctHeight) - + Math.floor(resolution.try0 / precinctHeight) : 0); + var numprecincts = numprecinctswide * numprecinctshigh; + + resolution.precinctParameters = { + precinctWidth: precinctWidth, + precinctHeight: precinctHeight, + numprecinctswide: numprecinctswide, + numprecinctshigh: numprecinctshigh, + numprecincts: numprecincts, + precinctWidthInSubband: precinctWidthInSubband, + precinctHeightInSubband: precinctHeightInSubband + }; + } + function buildCodeblocks(context, subband, dimensions) { + // Section B.7 Division sub-band into code-blocks + var xcb_ = dimensions.xcb_; + var ycb_ = dimensions.ycb_; + var codeblockWidth = 1 << xcb_; + var codeblockHeight = 1 << ycb_; + var cbx0 = subband.tbx0 >> xcb_; + var cby0 = subband.tby0 >> ycb_; + var cbx1 = (subband.tbx1 + codeblockWidth - 1) >> xcb_; + var cby1 = (subband.tby1 + codeblockHeight - 1) >> ycb_; + var precinctParameters = subband.resolution.precinctParameters; + var codeblocks = []; + var precincts = []; + var i, j, codeblock, precinctNumber; + for (j = cby0; j < cby1; j++) { + for (i = cbx0; i < cbx1; i++) { + codeblock = { + cbx: i, + cby: j, + tbx0: codeblockWidth * i, + tby0: codeblockHeight * j, + tbx1: codeblockWidth * (i + 1), + tby1: codeblockHeight * (j + 1) + }; + + codeblock.tbx0_ = Math.max(subband.tbx0, codeblock.tbx0); + codeblock.tby0_ = Math.max(subband.tby0, codeblock.tby0); + codeblock.tbx1_ = Math.min(subband.tbx1, codeblock.tbx1); + codeblock.tby1_ = Math.min(subband.tby1, codeblock.tby1); + + // Calculate precinct number for this codeblock, codeblock position + // should be relative to its subband, use actual dimension and position + // See comment about codeblock group width and height + var pi = Math.floor((codeblock.tbx0_ - subband.tbx0) / + precinctParameters.precinctWidthInSubband); + var pj = Math.floor((codeblock.tby0_ - subband.tby0) / + precinctParameters.precinctHeightInSubband); + precinctNumber = pi + (pj * precinctParameters.numprecinctswide); + + codeblock.precinctNumber = precinctNumber; + codeblock.subbandType = subband.type; + codeblock.Lblock = 3; + + if (codeblock.tbx1_ <= codeblock.tbx0_ || + codeblock.tby1_ <= codeblock.tby0_) { + continue; + } + codeblocks.push(codeblock); + // building precinct for the sub-band + var precinct = precincts[precinctNumber]; + if (precinct !== undefined) { + if (i < precinct.cbxMin) { + precinct.cbxMin = i; + } else if (i > precinct.cbxMax) { + precinct.cbxMax = i; + } + if (j < precinct.cbyMin) { + precinct.cbxMin = j; + } else if (j > precinct.cbyMax) { + precinct.cbyMax = j; + } + } else { + precincts[precinctNumber] = precinct = { + cbxMin: i, + cbyMin: j, + cbxMax: i, + cbyMax: j + }; + } + codeblock.precinct = precinct; + } + } + subband.codeblockParameters = { + codeblockWidth: xcb_, + codeblockHeight: ycb_, + numcodeblockwide: cbx1 - cbx0 + 1, + numcodeblockhigh: cby1 - cby0 + 1 + }; + subband.codeblocks = codeblocks; + subband.precincts = precincts; + } + function createPacket(resolution, precinctNumber, layerNumber) { + var precinctCodeblocks = []; + // Section B.10.8 Order of info in packet + var subbands = resolution.subbands; + // sub-bands already ordered in 'LL', 'HL', 'LH', and 'HH' sequence + for (var i = 0, ii = subbands.length; i < ii; i++) { + var subband = subbands[i]; + var codeblocks = subband.codeblocks; + for (var j = 0, jj = codeblocks.length; j < jj; j++) { + var codeblock = codeblocks[j]; + if (codeblock.precinctNumber !== precinctNumber) { + continue; + } + precinctCodeblocks.push(codeblock); + } + } + return { + layerNumber: layerNumber, + codeblocks: precinctCodeblocks + }; + } + function LayerResolutionComponentPositionIterator(context) { + var siz = context.SIZ; + var tileIndex = context.currentTile.index; + var tile = context.tiles[tileIndex]; + var layersCount = tile.codingStyleDefaultParameters.layersCount; + var componentsCount = siz.Csiz; + var maxDecompositionLevelsCount = 0; + for (var q = 0; q < componentsCount; q++) { + maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, + tile.components[q].codingStyleParameters.decompositionLevelsCount); + } + + var l = 0, r = 0, i = 0, k = 0; + + this.nextPacket = function JpxImage_nextPacket() { + // Section B.12.1.1 Layer-resolution-component-position + for (; l < layersCount; l++) { + for (; r <= maxDecompositionLevelsCount; r++) { + for (; i < componentsCount; i++) { + var component = tile.components[i]; + if (r > component.codingStyleParameters.decompositionLevelsCount) { + continue; + } + + var resolution = component.resolutions[r]; + var numprecincts = resolution.precinctParameters.numprecincts; + for (; k < numprecincts;) { + var packet = createPacket(resolution, k, l); + k++; + return packet; + } + k = 0; + } + i = 0; + } + r = 0; + } + throw new Error('JPX Error: Out of packets'); + }; + } + function ResolutionLayerComponentPositionIterator(context) { + var siz = context.SIZ; + var tileIndex = context.currentTile.index; + var tile = context.tiles[tileIndex]; + var layersCount = tile.codingStyleDefaultParameters.layersCount; + var componentsCount = siz.Csiz; + var maxDecompositionLevelsCount = 0; + for (var q = 0; q < componentsCount; q++) { + maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, + tile.components[q].codingStyleParameters.decompositionLevelsCount); + } + + var r = 0, l = 0, i = 0, k = 0; + + this.nextPacket = function JpxImage_nextPacket() { + // Section B.12.1.2 Resolution-layer-component-position + for (; r <= maxDecompositionLevelsCount; r++) { + for (; l < layersCount; l++) { + for (; i < componentsCount; i++) { + var component = tile.components[i]; + if (r > component.codingStyleParameters.decompositionLevelsCount) { + continue; + } + + var resolution = component.resolutions[r]; + var numprecincts = resolution.precinctParameters.numprecincts; + for (; k < numprecincts;) { + var packet = createPacket(resolution, k, l); + k++; + return packet; + } + k = 0; + } + i = 0; + } + l = 0; + } + throw new Error('JPX Error: Out of packets'); + }; + } + function ResolutionPositionComponentLayerIterator(context) { + var siz = context.SIZ; + var tileIndex = context.currentTile.index; + var tile = context.tiles[tileIndex]; + var layersCount = tile.codingStyleDefaultParameters.layersCount; + var componentsCount = siz.Csiz; + var l, r, c, p; + var maxDecompositionLevelsCount = 0; + for (c = 0; c < componentsCount; c++) { + var component = tile.components[c]; + maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, + component.codingStyleParameters.decompositionLevelsCount); + } + var maxNumPrecinctsInLevel = new Int32Array( + maxDecompositionLevelsCount + 1); + for (r = 0; r <= maxDecompositionLevelsCount; ++r) { + var maxNumPrecincts = 0; + for (c = 0; c < componentsCount; ++c) { + var resolutions = tile.components[c].resolutions; + if (r < resolutions.length) { + maxNumPrecincts = Math.max(maxNumPrecincts, + resolutions[r].precinctParameters.numprecincts); + } + } + maxNumPrecinctsInLevel[r] = maxNumPrecincts; + } + l = 0; + r = 0; + c = 0; + p = 0; + + this.nextPacket = function JpxImage_nextPacket() { + // Section B.12.1.3 Resolution-position-component-layer + for (; r <= maxDecompositionLevelsCount; r++) { + for (; p < maxNumPrecinctsInLevel[r]; p++) { + for (; c < componentsCount; c++) { + var component = tile.components[c]; + if (r > component.codingStyleParameters.decompositionLevelsCount) { + continue; + } + var resolution = component.resolutions[r]; + var numprecincts = resolution.precinctParameters.numprecincts; + if (p >= numprecincts) { + continue; + } + for (; l < layersCount;) { + var packet = createPacket(resolution, p, l); + l++; + return packet; + } + l = 0; + } + c = 0; + } + p = 0; + } + throw new Error('JPX Error: Out of packets'); + }; + } + function PositionComponentResolutionLayerIterator(context) { + var siz = context.SIZ; + var tileIndex = context.currentTile.index; + var tile = context.tiles[tileIndex]; + var layersCount = tile.codingStyleDefaultParameters.layersCount; + var componentsCount = siz.Csiz; + var precinctsSizes = getPrecinctSizesInImageScale(tile); + var precinctsIterationSizes = precinctsSizes; + var l = 0, r = 0, c = 0, px = 0, py = 0; + + this.nextPacket = function JpxImage_nextPacket() { + // Section B.12.1.4 Position-component-resolution-layer + for (; py < precinctsIterationSizes.maxNumHigh; py++) { + for (; px < precinctsIterationSizes.maxNumWide; px++) { + for (; c < componentsCount; c++) { + var component = tile.components[c]; + var decompositionLevelsCount = + component.codingStyleParameters.decompositionLevelsCount; + for (; r <= decompositionLevelsCount; r++) { + var resolution = component.resolutions[r]; + var sizeInImageScale = + precinctsSizes.components[c].resolutions[r]; + var k = getPrecinctIndexIfExist( + px, + py, + sizeInImageScale, + precinctsIterationSizes, + resolution); + if (k === null) { + continue; + } + for (; l < layersCount;) { + var packet = createPacket(resolution, k, l); + l++; + return packet; + } + l = 0; + } + r = 0; + } + c = 0; + } + px = 0; + } + throw new Error('JPX Error: Out of packets'); + }; + } + function ComponentPositionResolutionLayerIterator(context) { + var siz = context.SIZ; + var tileIndex = context.currentTile.index; + var tile = context.tiles[tileIndex]; + var layersCount = tile.codingStyleDefaultParameters.layersCount; + var componentsCount = siz.Csiz; + var precinctsSizes = getPrecinctSizesInImageScale(tile); + var l = 0, r = 0, c = 0, px = 0, py = 0; + + this.nextPacket = function JpxImage_nextPacket() { + // Section B.12.1.5 Component-position-resolution-layer + for (; c < componentsCount; ++c) { + var component = tile.components[c]; + var precinctsIterationSizes = precinctsSizes.components[c]; + var decompositionLevelsCount = + component.codingStyleParameters.decompositionLevelsCount; + for (; py < precinctsIterationSizes.maxNumHigh; py++) { + for (; px < precinctsIterationSizes.maxNumWide; px++) { + for (; r <= decompositionLevelsCount; r++) { + var resolution = component.resolutions[r]; + var sizeInImageScale = precinctsIterationSizes.resolutions[r]; + var k = getPrecinctIndexIfExist( + px, + py, + sizeInImageScale, + precinctsIterationSizes, + resolution); + if (k === null) { + continue; + } + for (; l < layersCount;) { + var packet = createPacket(resolution, k, l); + l++; + return packet; + } + l = 0; + } + r = 0; + } + px = 0; + } + py = 0; + } + throw new Error('JPX Error: Out of packets'); + }; + } + function getPrecinctIndexIfExist( + pxIndex, pyIndex, sizeInImageScale, precinctIterationSizes, resolution) { + var posX = pxIndex * precinctIterationSizes.minWidth; + var posY = pyIndex * precinctIterationSizes.minHeight; + if (posX % sizeInImageScale.width !== 0 || + posY % sizeInImageScale.height !== 0) { + return null; + } + var startPrecinctRowIndex = + (posY / sizeInImageScale.width) * + resolution.precinctParameters.numprecinctswide; + return (posX / sizeInImageScale.height) + startPrecinctRowIndex; + } + function getPrecinctSizesInImageScale(tile) { + var componentsCount = tile.components.length; + var minWidth = Number.MAX_VALUE; + var minHeight = Number.MAX_VALUE; + var maxNumWide = 0; + var maxNumHigh = 0; + var sizePerComponent = new Array(componentsCount); + for (var c = 0; c < componentsCount; c++) { + var component = tile.components[c]; + var decompositionLevelsCount = + component.codingStyleParameters.decompositionLevelsCount; + var sizePerResolution = new Array(decompositionLevelsCount + 1); + var minWidthCurrentComponent = Number.MAX_VALUE; + var minHeightCurrentComponent = Number.MAX_VALUE; + var maxNumWideCurrentComponent = 0; + var maxNumHighCurrentComponent = 0; + var scale = 1; + for (var r = decompositionLevelsCount; r >= 0; --r) { + var resolution = component.resolutions[r]; + var widthCurrentResolution = + scale * resolution.precinctParameters.precinctWidth; + var heightCurrentResolution = + scale * resolution.precinctParameters.precinctHeight; + minWidthCurrentComponent = Math.min( + minWidthCurrentComponent, + widthCurrentResolution); + minHeightCurrentComponent = Math.min( + minHeightCurrentComponent, + heightCurrentResolution); + maxNumWideCurrentComponent = Math.max(maxNumWideCurrentComponent, + resolution.precinctParameters.numprecinctswide); + maxNumHighCurrentComponent = Math.max(maxNumHighCurrentComponent, + resolution.precinctParameters.numprecinctshigh); + sizePerResolution[r] = { + width: widthCurrentResolution, + height: heightCurrentResolution + }; + scale <<= 1; + } + minWidth = Math.min(minWidth, minWidthCurrentComponent); + minHeight = Math.min(minHeight, minHeightCurrentComponent); + maxNumWide = Math.max(maxNumWide, maxNumWideCurrentComponent); + maxNumHigh = Math.max(maxNumHigh, maxNumHighCurrentComponent); + sizePerComponent[c] = { + resolutions: sizePerResolution, + minWidth: minWidthCurrentComponent, + minHeight: minHeightCurrentComponent, + maxNumWide: maxNumWideCurrentComponent, + maxNumHigh: maxNumHighCurrentComponent + }; + } + return { + components: sizePerComponent, + minWidth: minWidth, + minHeight: minHeight, + maxNumWide: maxNumWide, + maxNumHigh: maxNumHigh + }; + } + function buildPackets(context) { + var siz = context.SIZ; + var tileIndex = context.currentTile.index; + var tile = context.tiles[tileIndex]; + var componentsCount = siz.Csiz; + // Creating resolutions and sub-bands for each component + for (var c = 0; c < componentsCount; c++) { + var component = tile.components[c]; + var decompositionLevelsCount = + component.codingStyleParameters.decompositionLevelsCount; + // Section B.5 Resolution levels and sub-bands + var resolutions = []; + var subbands = []; + for (var r = 0; r <= decompositionLevelsCount; r++) { + var blocksDimensions = getBlocksDimensions(context, component, r); + var resolution = {}; + var scale = 1 << (decompositionLevelsCount - r); + resolution.trx0 = Math.ceil(component.tcx0 / scale); + resolution.try0 = Math.ceil(component.tcy0 / scale); + resolution.trx1 = Math.ceil(component.tcx1 / scale); + resolution.try1 = Math.ceil(component.tcy1 / scale); + resolution.resLevel = r; + buildPrecincts(context, resolution, blocksDimensions); + resolutions.push(resolution); + + var subband; + if (r === 0) { + // one sub-band (LL) with last decomposition + subband = {}; + subband.type = 'LL'; + subband.tbx0 = Math.ceil(component.tcx0 / scale); + subband.tby0 = Math.ceil(component.tcy0 / scale); + subband.tbx1 = Math.ceil(component.tcx1 / scale); + subband.tby1 = Math.ceil(component.tcy1 / scale); + subband.resolution = resolution; + buildCodeblocks(context, subband, blocksDimensions); + subbands.push(subband); + resolution.subbands = [subband]; + } else { + var bscale = 1 << (decompositionLevelsCount - r + 1); + var resolutionSubbands = []; + // three sub-bands (HL, LH and HH) with rest of decompositions + subband = {}; + subband.type = 'HL'; + subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5); + subband.tby0 = Math.ceil(component.tcy0 / bscale); + subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5); + subband.tby1 = Math.ceil(component.tcy1 / bscale); + subband.resolution = resolution; + buildCodeblocks(context, subband, blocksDimensions); + subbands.push(subband); + resolutionSubbands.push(subband); + + subband = {}; + subband.type = 'LH'; + subband.tbx0 = Math.ceil(component.tcx0 / bscale); + subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5); + subband.tbx1 = Math.ceil(component.tcx1 / bscale); + subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5); + subband.resolution = resolution; + buildCodeblocks(context, subband, blocksDimensions); + subbands.push(subband); + resolutionSubbands.push(subband); + + subband = {}; + subband.type = 'HH'; + subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5); + subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5); + subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5); + subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5); + subband.resolution = resolution; + buildCodeblocks(context, subband, blocksDimensions); + subbands.push(subband); + resolutionSubbands.push(subband); + + resolution.subbands = resolutionSubbands; + } + } + component.resolutions = resolutions; + component.subbands = subbands; + } + // Generate the packets sequence + var progressionOrder = tile.codingStyleDefaultParameters.progressionOrder; + switch (progressionOrder) { + case 0: + tile.packetsIterator = + new LayerResolutionComponentPositionIterator(context); + break; + case 1: + tile.packetsIterator = + new ResolutionLayerComponentPositionIterator(context); + break; + case 2: + tile.packetsIterator = + new ResolutionPositionComponentLayerIterator(context); + break; + case 3: + tile.packetsIterator = + new PositionComponentResolutionLayerIterator(context); + break; + case 4: + tile.packetsIterator = + new ComponentPositionResolutionLayerIterator(context); + break; + default: + throw new Error('JPX Error: Unsupported progression order ' + + progressionOrder); + } + } + function parseTilePackets(context, data, offset, dataLength) { + var position = 0; + var buffer, bufferSize = 0, skipNextBit = false; + function readBits(count) { + while (bufferSize < count) { + var b = data[offset + position]; + position++; + if (skipNextBit) { + buffer = (buffer << 7) | b; + bufferSize += 7; + skipNextBit = false; + } else { + buffer = (buffer << 8) | b; + bufferSize += 8; + } + if (b === 0xFF) { + skipNextBit = true; + } + } + bufferSize -= count; + return (buffer >>> bufferSize) & ((1 << count) - 1); + } + function skipMarkerIfEqual(value) { + if (data[offset + position - 1] === 0xFF && + data[offset + position] === value) { + skipBytes(1); + return true; + } else if (data[offset + position] === 0xFF && + data[offset + position + 1] === value) { + skipBytes(2); + return true; + } + return false; + } + function skipBytes(count) { + position += count; + } + function alignToByte() { + bufferSize = 0; + if (skipNextBit) { + position++; + skipNextBit = false; + } + } + function readCodingpasses() { + if (readBits(1) === 0) { + return 1; + } + if (readBits(1) === 0) { + return 2; + } + var value = readBits(2); + if (value < 3) { + return value + 3; + } + value = readBits(5); + if (value < 31) { + return value + 6; + } + value = readBits(7); + return value + 37; + } + var tileIndex = context.currentTile.index; + var tile = context.tiles[tileIndex]; + var sopMarkerUsed = context.COD.sopMarkerUsed; + var ephMarkerUsed = context.COD.ephMarkerUsed; + var packetsIterator = tile.packetsIterator; + while (position < dataLength) { + alignToByte(); + if (sopMarkerUsed && skipMarkerIfEqual(0x91)) { + // Skip also marker segment length and packet sequence ID + skipBytes(4); + } + var packet = packetsIterator.nextPacket(); + if (!readBits(1)) { + continue; + } + var layerNumber = packet.layerNumber; + var queue = [], codeblock; + for (var i = 0, ii = packet.codeblocks.length; i < ii; i++) { + codeblock = packet.codeblocks[i]; + var precinct = codeblock.precinct; + var codeblockColumn = codeblock.cbx - precinct.cbxMin; + var codeblockRow = codeblock.cby - precinct.cbyMin; + var codeblockIncluded = false; + var firstTimeInclusion = false; + var valueReady; + if (codeblock['included'] !== undefined) { + codeblockIncluded = !!readBits(1); + } else { + // reading inclusion tree + precinct = codeblock.precinct; + var inclusionTree, zeroBitPlanesTree; + if (precinct['inclusionTree'] !== undefined) { + inclusionTree = precinct.inclusionTree; + } else { + // building inclusion and zero bit-planes trees + var width = precinct.cbxMax - precinct.cbxMin + 1; + var height = precinct.cbyMax - precinct.cbyMin + 1; + inclusionTree = new InclusionTree(width, height, layerNumber); + zeroBitPlanesTree = new TagTree(width, height); + precinct.inclusionTree = inclusionTree; + precinct.zeroBitPlanesTree = zeroBitPlanesTree; + } + + if (inclusionTree.reset(codeblockColumn, codeblockRow, layerNumber)) { + while (true) { + if (readBits(1)) { + valueReady = !inclusionTree.nextLevel(); + if (valueReady) { + codeblock.included = true; + codeblockIncluded = firstTimeInclusion = true; + break; + } + } else { + inclusionTree.incrementValue(layerNumber); + break; + } + } + } + } + if (!codeblockIncluded) { + continue; + } + if (firstTimeInclusion) { + zeroBitPlanesTree = precinct.zeroBitPlanesTree; + zeroBitPlanesTree.reset(codeblockColumn, codeblockRow); + while (true) { + if (readBits(1)) { + valueReady = !zeroBitPlanesTree.nextLevel(); + if (valueReady) { + break; + } + } else { + zeroBitPlanesTree.incrementValue(); + } + } + codeblock.zeroBitPlanes = zeroBitPlanesTree.value; + } + var codingpasses = readCodingpasses(); + while (readBits(1)) { + codeblock.Lblock++; + } + var codingpassesLog2 = log2(codingpasses); + // rounding down log2 + var bits = ((codingpasses < (1 << codingpassesLog2)) ? + codingpassesLog2 - 1 : codingpassesLog2) + codeblock.Lblock; + var codedDataLength = readBits(bits); + queue.push({ + codeblock: codeblock, + codingpasses: codingpasses, + dataLength: codedDataLength + }); + } + alignToByte(); + if (ephMarkerUsed) { + skipMarkerIfEqual(0x92); + } + while (queue.length > 0) { + var packetItem = queue.shift(); + codeblock = packetItem.codeblock; + if (codeblock['data'] === undefined) { + codeblock.data = []; + } + codeblock.data.push({ + data: data, + start: offset + position, + end: offset + position + packetItem.dataLength, + codingpasses: packetItem.codingpasses + }); + position += packetItem.dataLength; + } + } + return position; + } + function copyCoefficients(coefficients, levelWidth, levelHeight, subband, + delta, mb, reversible, segmentationSymbolUsed) { + var x0 = subband.tbx0; + var y0 = subband.tby0; + var width = subband.tbx1 - subband.tbx0; + var codeblocks = subband.codeblocks; + var right = subband.type.charAt(0) === 'H' ? 1 : 0; + var bottom = subband.type.charAt(1) === 'H' ? levelWidth : 0; + + for (var i = 0, ii = codeblocks.length; i < ii; ++i) { + var codeblock = codeblocks[i]; + var blockWidth = codeblock.tbx1_ - codeblock.tbx0_; + var blockHeight = codeblock.tby1_ - codeblock.tby0_; + if (blockWidth === 0 || blockHeight === 0) { + continue; + } + if (codeblock['data'] === undefined) { + continue; + } + + var bitModel, currentCodingpassType; + bitModel = new BitModel(blockWidth, blockHeight, codeblock.subbandType, + codeblock.zeroBitPlanes, mb); + currentCodingpassType = 2; // first bit plane starts from cleanup + + // collect data + var data = codeblock.data, totalLength = 0, codingpasses = 0; + var j, jj, dataItem; + for (j = 0, jj = data.length; j < jj; j++) { + dataItem = data[j]; + totalLength += dataItem.end - dataItem.start; + codingpasses += dataItem.codingpasses; + } + var encodedData = new Uint8Array(totalLength); + var position = 0; + for (j = 0, jj = data.length; j < jj; j++) { + dataItem = data[j]; + var chunk = dataItem.data.subarray(dataItem.start, dataItem.end); + encodedData.set(chunk, position); + position += chunk.length; + } + // decoding the item + var decoder = new ArithmeticDecoder(encodedData, 0, totalLength); + bitModel.setDecoder(decoder); + + for (j = 0; j < codingpasses; j++) { + switch (currentCodingpassType) { + case 0: + bitModel.runSignificancePropogationPass(); + break; + case 1: + bitModel.runMagnitudeRefinementPass(); + break; + case 2: + bitModel.runCleanupPass(); + if (segmentationSymbolUsed) { + bitModel.checkSegmentationSymbol(); + } + break; + } + currentCodingpassType = (currentCodingpassType + 1) % 3; + } + + var offset = (codeblock.tbx0_ - x0) + (codeblock.tby0_ - y0) * width; + var sign = bitModel.coefficentsSign; + var magnitude = bitModel.coefficentsMagnitude; + var bitsDecoded = bitModel.bitsDecoded; + var magnitudeCorrection = reversible ? 0 : 0.5; + var k, n, nb; + position = 0; + // Do the interleaving of Section F.3.3 here, so we do not need + // to copy later. LL level is not interleaved, just copied. + var interleave = (subband.type !== 'LL'); + for (j = 0; j < blockHeight; j++) { + var row = (offset / width) | 0; // row in the non-interleaved subband + var levelOffset = 2 * row * (levelWidth - width) + right + bottom; + for (k = 0; k < blockWidth; k++) { + n = magnitude[position]; + if (n !== 0) { + n = (n + magnitudeCorrection) * delta; + if (sign[position] !== 0) { + n = -n; + } + nb = bitsDecoded[position]; + var pos = interleave ? (levelOffset + (offset << 1)) : offset; + if (reversible && (nb >= mb)) { + coefficients[pos] = n; + } else { + coefficients[pos] = n * (1 << (mb - nb)); + } + } + offset++; + position++; + } + offset += width - blockWidth; + } + } + } + function transformTile(context, tile, c) { + var component = tile.components[c]; + var codingStyleParameters = component.codingStyleParameters; + var quantizationParameters = component.quantizationParameters; + var decompositionLevelsCount = + codingStyleParameters.decompositionLevelsCount; + var spqcds = quantizationParameters.SPqcds; + var scalarExpounded = quantizationParameters.scalarExpounded; + var guardBits = quantizationParameters.guardBits; + var segmentationSymbolUsed = codingStyleParameters.segmentationSymbolUsed; + var precision = context.components[c].precision; + + var reversible = codingStyleParameters.reversibleTransformation; + var transform = (reversible ? new ReversibleTransform() : + new IrreversibleTransform()); + + var subbandCoefficients = []; + var b = 0; + for (var i = 0; i <= decompositionLevelsCount; i++) { + var resolution = component.resolutions[i]; + + var width = resolution.trx1 - resolution.trx0; + var height = resolution.try1 - resolution.try0; + // Allocate space for the whole sublevel. + var coefficients = new Float32Array(width * height); + + for (var j = 0, jj = resolution.subbands.length; j < jj; j++) { + var mu, epsilon; + if (!scalarExpounded) { + // formula E-5 + mu = spqcds[0].mu; + epsilon = spqcds[0].epsilon + (i > 0 ? 1 - i : 0); + } else { + mu = spqcds[b].mu; + epsilon = spqcds[b].epsilon; + b++; + } + + var subband = resolution.subbands[j]; + var gainLog2 = SubbandsGainLog2[subband.type]; + + // calulate quantization coefficient (Section E.1.1.1) + var delta = (reversible ? 1 : + Math.pow(2, precision + gainLog2 - epsilon) * (1 + mu / 2048)); + var mb = (guardBits + epsilon - 1); + + // In the first resolution level, copyCoefficients will fill the + // whole array with coefficients. In the succeding passes, + // copyCoefficients will consecutively fill in the values that belong + // to the interleaved positions of the HL, LH, and HH coefficients. + // The LL coefficients will then be interleaved in Transform.iterate(). + copyCoefficients(coefficients, width, height, subband, delta, mb, + reversible, segmentationSymbolUsed); + } + subbandCoefficients.push({ + width: width, + height: height, + items: coefficients + }); + } + + var result = transform.calculate(subbandCoefficients, + component.tcx0, component.tcy0); + return { + left: component.tcx0, + top: component.tcy0, + width: result.width, + height: result.height, + items: result.items + }; + } + function transformComponents(context) { + var siz = context.SIZ; + var components = context.components; + var componentsCount = siz.Csiz; + var resultImages = []; + for (var i = 0, ii = context.tiles.length; i < ii; i++) { + var tile = context.tiles[i]; + var transformedTiles = []; + var c; + for (c = 0; c < componentsCount; c++) { + transformedTiles[c] = transformTile(context, tile, c); + } + var tile0 = transformedTiles[0]; + var out = new Uint8Array(tile0.items.length * componentsCount); + var result = { + left: tile0.left, + top: tile0.top, + width: tile0.width, + height: tile0.height, + items: out + }; + + // Section G.2.2 Inverse multi component transform + var shift, offset, max, min, maxK; + var pos = 0, j, jj, y0, y1, y2, r, g, b, k, val; + if (tile.codingStyleDefaultParameters.multipleComponentTransform) { + var fourComponents = componentsCount === 4; + var y0items = transformedTiles[0].items; + var y1items = transformedTiles[1].items; + var y2items = transformedTiles[2].items; + var y3items = fourComponents ? transformedTiles[3].items : null; + + // HACK: The multiple component transform formulas below assume that + // all components have the same precision. With this in mind, we + // compute shift and offset only once. + shift = components[0].precision - 8; + offset = (128 << shift) + 0.5; + max = 255 * (1 << shift); + maxK = max * 0.5; + min = -maxK; + + var component0 = tile.components[0]; + var alpha01 = componentsCount - 3; + jj = y0items.length; + if (!component0.codingStyleParameters.reversibleTransformation) { + // inverse irreversible multiple component transform + for (j = 0; j < jj; j++, pos += alpha01) { + y0 = y0items[j] + offset; + y1 = y1items[j]; + y2 = y2items[j]; + r = y0 + 1.402 * y2; + g = y0 - 0.34413 * y1 - 0.71414 * y2; + b = y0 + 1.772 * y1; + out[pos++] = r <= 0 ? 0 : r >= max ? 255 : r >> shift; + out[pos++] = g <= 0 ? 0 : g >= max ? 255 : g >> shift; + out[pos++] = b <= 0 ? 0 : b >= max ? 255 : b >> shift; + } + } else { + // inverse reversible multiple component transform + for (j = 0; j < jj; j++, pos += alpha01) { + y0 = y0items[j] + offset; + y1 = y1items[j]; + y2 = y2items[j]; + g = y0 - ((y2 + y1) >> 2); + r = g + y2; + b = g + y1; + out[pos++] = r <= 0 ? 0 : r >= max ? 255 : r >> shift; + out[pos++] = g <= 0 ? 0 : g >= max ? 255 : g >> shift; + out[pos++] = b <= 0 ? 0 : b >= max ? 255 : b >> shift; + } + } + if (fourComponents) { + for (j = 0, pos = 3; j < jj; j++, pos += 4) { + k = y3items[j]; + out[pos] = k <= min ? 0 : k >= maxK ? 255 : (k + offset) >> shift; + } + } + } else { // no multi-component transform + for (c = 0; c < componentsCount; c++) { + var items = transformedTiles[c].items; + shift = components[c].precision - 8; + offset = (128 << shift) + 0.5; + max = (127.5 * (1 << shift)); + min = -max; + for (pos = c, j = 0, jj = items.length; j < jj; j++) { + val = items[j]; + out[pos] = val <= min ? 0 : + val >= max ? 255 : (val + offset) >> shift; + pos += componentsCount; + } + } + } + resultImages.push(result); + } + return resultImages; + } + function initializeTile(context, tileIndex) { + var siz = context.SIZ; + var componentsCount = siz.Csiz; + var tile = context.tiles[tileIndex]; + for (var c = 0; c < componentsCount; c++) { + var component = tile.components[c]; + var qcdOrQcc = (context.currentTile.QCC[c] !== undefined ? + context.currentTile.QCC[c] : context.currentTile.QCD); + component.quantizationParameters = qcdOrQcc; + var codOrCoc = (context.currentTile.COC[c] !== undefined ? + context.currentTile.COC[c] : context.currentTile.COD); + component.codingStyleParameters = codOrCoc; + } + tile.codingStyleDefaultParameters = context.currentTile.COD; + } + + // Section B.10.2 Tag trees + var TagTree = (function TagTreeClosure() { + function TagTree(width, height) { + var levelsLength = log2(Math.max(width, height)) + 1; + this.levels = []; + for (var i = 0; i < levelsLength; i++) { + var level = { + width: width, + height: height, + items: [] + }; + this.levels.push(level); + width = Math.ceil(width / 2); + height = Math.ceil(height / 2); + } + } + TagTree.prototype = { + reset: function TagTree_reset(i, j) { + var currentLevel = 0, value = 0, level; + while (currentLevel < this.levels.length) { + level = this.levels[currentLevel]; + var index = i + j * level.width; + if (level.items[index] !== undefined) { + value = level.items[index]; + break; + } + level.index = index; + i >>= 1; + j >>= 1; + currentLevel++; + } + currentLevel--; + level = this.levels[currentLevel]; + level.items[level.index] = value; + this.currentLevel = currentLevel; + delete this.value; + }, + incrementValue: function TagTree_incrementValue() { + var level = this.levels[this.currentLevel]; + level.items[level.index]++; + }, + nextLevel: function TagTree_nextLevel() { + var currentLevel = this.currentLevel; + var level = this.levels[currentLevel]; + var value = level.items[level.index]; + currentLevel--; + if (currentLevel < 0) { + this.value = value; + return false; + } + + this.currentLevel = currentLevel; + level = this.levels[currentLevel]; + level.items[level.index] = value; + return true; + } + }; + return TagTree; + })(); + + var InclusionTree = (function InclusionTreeClosure() { + function InclusionTree(width, height, defaultValue) { + var levelsLength = log2(Math.max(width, height)) + 1; + this.levels = []; + for (var i = 0; i < levelsLength; i++) { + var items = new Uint8Array(width * height); + for (var j = 0, jj = items.length; j < jj; j++) { + items[j] = defaultValue; + } + + var level = { + width: width, + height: height, + items: items + }; + this.levels.push(level); + + width = Math.ceil(width / 2); + height = Math.ceil(height / 2); + } + } + InclusionTree.prototype = { + reset: function InclusionTree_reset(i, j, stopValue) { + var currentLevel = 0; + while (currentLevel < this.levels.length) { + var level = this.levels[currentLevel]; + var index = i + j * level.width; + level.index = index; + var value = level.items[index]; + + if (value === 0xFF) { + break; + } + + if (value > stopValue) { + this.currentLevel = currentLevel; + // already know about this one, propagating the value to top levels + this.propagateValues(); + return false; + } + + i >>= 1; + j >>= 1; + currentLevel++; + } + this.currentLevel = currentLevel - 1; + return true; + }, + incrementValue: function InclusionTree_incrementValue(stopValue) { + var level = this.levels[this.currentLevel]; + level.items[level.index] = stopValue + 1; + this.propagateValues(); + }, + propagateValues: function InclusionTree_propagateValues() { + var levelIndex = this.currentLevel; + var level = this.levels[levelIndex]; + var currentValue = level.items[level.index]; + while (--levelIndex >= 0) { + level = this.levels[levelIndex]; + level.items[level.index] = currentValue; + } + }, + nextLevel: function InclusionTree_nextLevel() { + var currentLevel = this.currentLevel; + var level = this.levels[currentLevel]; + var value = level.items[level.index]; + level.items[level.index] = 0xFF; + currentLevel--; + if (currentLevel < 0) { + return false; + } + + this.currentLevel = currentLevel; + level = this.levels[currentLevel]; + level.items[level.index] = value; + return true; + } + }; + return InclusionTree; + })(); + + // Section D. Coefficient bit modeling + var BitModel = (function BitModelClosure() { + var UNIFORM_CONTEXT = 17; + var RUNLENGTH_CONTEXT = 18; + // Table D-1 + // The index is binary presentation: 0dddvvhh, ddd - sum of Di (0..4), + // vv - sum of Vi (0..2), and hh - sum of Hi (0..2) + var LLAndLHContextsLabel = new Uint8Array([ + 0, 5, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 1, 6, 8, 0, 3, 7, 8, 0, 4, + 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, + 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8 + ]); + var HLContextLabel = new Uint8Array([ + 0, 3, 4, 0, 5, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 1, 3, 4, 0, 6, 7, 7, 0, 8, + 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, + 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8 + ]); + var HHContextLabel = new Uint8Array([ + 0, 1, 2, 0, 1, 2, 2, 0, 2, 2, 2, 0, 0, 0, 0, 0, 3, 4, 5, 0, 4, 5, 5, 0, 5, + 5, 5, 0, 0, 0, 0, 0, 6, 7, 7, 0, 7, 7, 7, 0, 7, 7, 7, 0, 0, 0, 0, 0, 8, 8, + 8, 0, 8, 8, 8, 0, 8, 8, 8, 0, 0, 0, 0, 0, 8, 8, 8, 0, 8, 8, 8, 0, 8, 8, 8 + ]); + + function BitModel(width, height, subband, zeroBitPlanes, mb) { + this.width = width; + this.height = height; + + this.contextLabelTable = (subband === 'HH' ? HHContextLabel : + (subband === 'HL' ? HLContextLabel : LLAndLHContextsLabel)); + + var coefficientCount = width * height; + + // coefficients outside the encoding region treated as insignificant + // add border state cells for significanceState + this.neighborsSignificance = new Uint8Array(coefficientCount); + this.coefficentsSign = new Uint8Array(coefficientCount); + this.coefficentsMagnitude = mb > 14 ? new Uint32Array(coefficientCount) : + mb > 6 ? new Uint16Array(coefficientCount) : + new Uint8Array(coefficientCount); + this.processingFlags = new Uint8Array(coefficientCount); + + var bitsDecoded = new Uint8Array(coefficientCount); + if (zeroBitPlanes !== 0) { + for (var i = 0; i < coefficientCount; i++) { + bitsDecoded[i] = zeroBitPlanes; + } + } + this.bitsDecoded = bitsDecoded; + + this.reset(); + } + + BitModel.prototype = { + setDecoder: function BitModel_setDecoder(decoder) { + this.decoder = decoder; + }, + reset: function BitModel_reset() { + // We have 17 contexts that are accessed via context labels, + // plus the uniform and runlength context. + this.contexts = new Int8Array(19); + + // Contexts are packed into 1 byte: + // highest 7 bits carry the index, lowest bit carries mps + this.contexts[0] = (4 << 1) | 0; + this.contexts[UNIFORM_CONTEXT] = (46 << 1) | 0; + this.contexts[RUNLENGTH_CONTEXT] = (3 << 1) | 0; + }, + setNeighborsSignificance: + function BitModel_setNeighborsSignificance(row, column, index) { + var neighborsSignificance = this.neighborsSignificance; + var width = this.width, height = this.height; + var left = (column > 0); + var right = (column + 1 < width); + var i; + + if (row > 0) { + i = index - width; + if (left) { + neighborsSignificance[i - 1] += 0x10; + } + if (right) { + neighborsSignificance[i + 1] += 0x10; + } + neighborsSignificance[i] += 0x04; + } + + if (row + 1 < height) { + i = index + width; + if (left) { + neighborsSignificance[i - 1] += 0x10; + } + if (right) { + neighborsSignificance[i + 1] += 0x10; + } + neighborsSignificance[i] += 0x04; + } + + if (left) { + neighborsSignificance[index - 1] += 0x01; + } + if (right) { + neighborsSignificance[index + 1] += 0x01; + } + neighborsSignificance[index] |= 0x80; + }, + runSignificancePropogationPass: + function BitModel_runSignificancePropogationPass() { + var decoder = this.decoder; + var width = this.width, height = this.height; + var coefficentsMagnitude = this.coefficentsMagnitude; + var coefficentsSign = this.coefficentsSign; + var neighborsSignificance = this.neighborsSignificance; + var processingFlags = this.processingFlags; + var contexts = this.contexts; + var labels = this.contextLabelTable; + var bitsDecoded = this.bitsDecoded; + var processedInverseMask = ~1; + var processedMask = 1; + var firstMagnitudeBitMask = 2; + + for (var i0 = 0; i0 < height; i0 += 4) { + for (var j = 0; j < width; j++) { + var index = i0 * width + j; + for (var i1 = 0; i1 < 4; i1++, index += width) { + var i = i0 + i1; + if (i >= height) { + break; + } + // clear processed flag first + processingFlags[index] &= processedInverseMask; + + if (coefficentsMagnitude[index] || + !neighborsSignificance[index]) { + continue; + } + + var contextLabel = labels[neighborsSignificance[index]]; + var decision = decoder.readBit(contexts, contextLabel); + if (decision) { + var sign = this.decodeSignBit(i, j, index); + coefficentsSign[index] = sign; + coefficentsMagnitude[index] = 1; + this.setNeighborsSignificance(i, j, index); + processingFlags[index] |= firstMagnitudeBitMask; + } + bitsDecoded[index]++; + processingFlags[index] |= processedMask; + } + } + } + }, + decodeSignBit: function BitModel_decodeSignBit(row, column, index) { + var width = this.width, height = this.height; + var coefficentsMagnitude = this.coefficentsMagnitude; + var coefficentsSign = this.coefficentsSign; + var contribution, sign0, sign1, significance1; + var contextLabel, decoded; + + // calculate horizontal contribution + significance1 = (column > 0 && coefficentsMagnitude[index - 1] !== 0); + if (column + 1 < width && coefficentsMagnitude[index + 1] !== 0) { + sign1 = coefficentsSign[index + 1]; + if (significance1) { + sign0 = coefficentsSign[index - 1]; + contribution = 1 - sign1 - sign0; + } else { + contribution = 1 - sign1 - sign1; + } + } else if (significance1) { + sign0 = coefficentsSign[index - 1]; + contribution = 1 - sign0 - sign0; + } else { + contribution = 0; + } + var horizontalContribution = 3 * contribution; + + // calculate vertical contribution and combine with the horizontal + significance1 = (row > 0 && coefficentsMagnitude[index - width] !== 0); + if (row + 1 < height && coefficentsMagnitude[index + width] !== 0) { + sign1 = coefficentsSign[index + width]; + if (significance1) { + sign0 = coefficentsSign[index - width]; + contribution = 1 - sign1 - sign0 + horizontalContribution; + } else { + contribution = 1 - sign1 - sign1 + horizontalContribution; + } + } else if (significance1) { + sign0 = coefficentsSign[index - width]; + contribution = 1 - sign0 - sign0 + horizontalContribution; + } else { + contribution = horizontalContribution; + } + + if (contribution >= 0) { + contextLabel = 9 + contribution; + decoded = this.decoder.readBit(this.contexts, contextLabel); + } else { + contextLabel = 9 - contribution; + decoded = this.decoder.readBit(this.contexts, contextLabel) ^ 1; + } + return decoded; + }, + runMagnitudeRefinementPass: + function BitModel_runMagnitudeRefinementPass() { + var decoder = this.decoder; + var width = this.width, height = this.height; + var coefficentsMagnitude = this.coefficentsMagnitude; + var neighborsSignificance = this.neighborsSignificance; + var contexts = this.contexts; + var bitsDecoded = this.bitsDecoded; + var processingFlags = this.processingFlags; + var processedMask = 1; + var firstMagnitudeBitMask = 2; + var length = width * height; + var width4 = width * 4; + + for (var index0 = 0, indexNext; index0 < length; index0 = indexNext) { + indexNext = Math.min(length, index0 + width4); + for (var j = 0; j < width; j++) { + for (var index = index0 + j; index < indexNext; index += width) { + + // significant but not those that have just become + if (!coefficentsMagnitude[index] || + (processingFlags[index] & processedMask) !== 0) { + continue; + } + + var contextLabel = 16; + if ((processingFlags[index] & firstMagnitudeBitMask) !== 0) { + processingFlags[index] ^= firstMagnitudeBitMask; + // first refinement + var significance = neighborsSignificance[index] & 127; + contextLabel = significance === 0 ? 15 : 14; + } + + var bit = decoder.readBit(contexts, contextLabel); + coefficentsMagnitude[index] = + (coefficentsMagnitude[index] << 1) | bit; + bitsDecoded[index]++; + processingFlags[index] |= processedMask; + } + } + } + }, + runCleanupPass: function BitModel_runCleanupPass() { + var decoder = this.decoder; + var width = this.width, height = this.height; + var neighborsSignificance = this.neighborsSignificance; + var coefficentsMagnitude = this.coefficentsMagnitude; + var coefficentsSign = this.coefficentsSign; + var contexts = this.contexts; + var labels = this.contextLabelTable; + var bitsDecoded = this.bitsDecoded; + var processingFlags = this.processingFlags; + var processedMask = 1; + var firstMagnitudeBitMask = 2; + var oneRowDown = width; + var twoRowsDown = width * 2; + var threeRowsDown = width * 3; + var iNext; + for (var i0 = 0; i0 < height; i0 = iNext) { + iNext = Math.min(i0 + 4, height); + var indexBase = i0 * width; + var checkAllEmpty = i0 + 3 < height; + for (var j = 0; j < width; j++) { + var index0 = indexBase + j; + // using the property: labels[neighborsSignificance[index]] === 0 + // when neighborsSignificance[index] === 0 + var allEmpty = (checkAllEmpty && + processingFlags[index0] === 0 && + processingFlags[index0 + oneRowDown] === 0 && + processingFlags[index0 + twoRowsDown] === 0 && + processingFlags[index0 + threeRowsDown] === 0 && + neighborsSignificance[index0] === 0 && + neighborsSignificance[index0 + oneRowDown] === 0 && + neighborsSignificance[index0 + twoRowsDown] === 0 && + neighborsSignificance[index0 + threeRowsDown] === 0); + var i1 = 0, index = index0; + var i = i0, sign; + if (allEmpty) { + var hasSignificantCoefficent = + decoder.readBit(contexts, RUNLENGTH_CONTEXT); + if (!hasSignificantCoefficent) { + bitsDecoded[index0]++; + bitsDecoded[index0 + oneRowDown]++; + bitsDecoded[index0 + twoRowsDown]++; + bitsDecoded[index0 + threeRowsDown]++; + continue; // next column + } + i1 = (decoder.readBit(contexts, UNIFORM_CONTEXT) << 1) | + decoder.readBit(contexts, UNIFORM_CONTEXT); + if (i1 !== 0) { + i = i0 + i1; + index += i1 * width; + } + + sign = this.decodeSignBit(i, j, index); + coefficentsSign[index] = sign; + coefficentsMagnitude[index] = 1; + this.setNeighborsSignificance(i, j, index); + processingFlags[index] |= firstMagnitudeBitMask; + + index = index0; + for (var i2 = i0; i2 <= i; i2++, index += width) { + bitsDecoded[index]++; + } + + i1++; + } + for (i = i0 + i1; i < iNext; i++, index += width) { + if (coefficentsMagnitude[index] || + (processingFlags[index] & processedMask) !== 0) { + continue; + } + + var contextLabel = labels[neighborsSignificance[index]]; + var decision = decoder.readBit(contexts, contextLabel); + if (decision === 1) { + sign = this.decodeSignBit(i, j, index); + coefficentsSign[index] = sign; + coefficentsMagnitude[index] = 1; + this.setNeighborsSignificance(i, j, index); + processingFlags[index] |= firstMagnitudeBitMask; + } + bitsDecoded[index]++; + } + } + } + }, + checkSegmentationSymbol: function BitModel_checkSegmentationSymbol() { + var decoder = this.decoder; + var contexts = this.contexts; + var symbol = (decoder.readBit(contexts, UNIFORM_CONTEXT) << 3) | + (decoder.readBit(contexts, UNIFORM_CONTEXT) << 2) | + (decoder.readBit(contexts, UNIFORM_CONTEXT) << 1) | + decoder.readBit(contexts, UNIFORM_CONTEXT); + if (symbol !== 0xA) { + throw new Error('JPX Error: Invalid segmentation symbol'); + } + } + }; + + return BitModel; + })(); + + // Section F, Discrete wavelet transformation + var Transform = (function TransformClosure() { + function Transform() {} + + Transform.prototype.calculate = + function transformCalculate(subbands, u0, v0) { + var ll = subbands[0]; + for (var i = 1, ii = subbands.length; i < ii; i++) { + ll = this.iterate(ll, subbands[i], u0, v0); + } + return ll; + }; + Transform.prototype.extend = function extend(buffer, offset, size) { + // Section F.3.7 extending... using max extension of 4 + var i1 = offset - 1, j1 = offset + 1; + var i2 = offset + size - 2, j2 = offset + size; + buffer[i1--] = buffer[j1++]; + buffer[j2++] = buffer[i2--]; + buffer[i1--] = buffer[j1++]; + buffer[j2++] = buffer[i2--]; + buffer[i1--] = buffer[j1++]; + buffer[j2++] = buffer[i2--]; + buffer[i1] = buffer[j1]; + buffer[j2] = buffer[i2]; + }; + Transform.prototype.iterate = function Transform_iterate(ll, hl_lh_hh, + u0, v0) { + var llWidth = ll.width, llHeight = ll.height, llItems = ll.items; + var width = hl_lh_hh.width; + var height = hl_lh_hh.height; + var items = hl_lh_hh.items; + var i, j, k, l, u, v; + + // Interleave LL according to Section F.3.3 + for (k = 0, i = 0; i < llHeight; i++) { + l = i * 2 * width; + for (j = 0; j < llWidth; j++, k++, l += 2) { + items[l] = llItems[k]; + } + } + // The LL band is not needed anymore. + llItems = ll.items = null; + + var bufferPadding = 4; + var rowBuffer = new Float32Array(width + 2 * bufferPadding); + + // Section F.3.4 HOR_SR + if (width === 1) { + // if width = 1, when u0 even keep items as is, when odd divide by 2 + if ((u0 & 1) !== 0) { + for (v = 0, k = 0; v < height; v++, k += width) { + items[k] *= 0.5; + } + } + } else { + for (v = 0, k = 0; v < height; v++, k += width) { + rowBuffer.set(items.subarray(k, k + width), bufferPadding); + + this.extend(rowBuffer, bufferPadding, width); + this.filter(rowBuffer, bufferPadding, width); + + items.set( + rowBuffer.subarray(bufferPadding, bufferPadding + width), + k); + } + } + + // Accesses to the items array can take long, because it may not fit into + // CPU cache and has to be fetched from main memory. Since subsequent + // accesses to the items array are not local when reading columns, we + // have a cache miss every time. To reduce cache misses, get up to + // 'numBuffers' items at a time and store them into the individual + // buffers. The colBuffers should be small enough to fit into CPU cache. + var numBuffers = 16; + var colBuffers = []; + for (i = 0; i < numBuffers; i++) { + colBuffers.push(new Float32Array(height + 2 * bufferPadding)); + } + var b, currentBuffer = 0; + ll = bufferPadding + height; + + // Section F.3.5 VER_SR + if (height === 1) { + // if height = 1, when v0 even keep items as is, when odd divide by 2 + if ((v0 & 1) !== 0) { + for (u = 0; u < width; u++) { + items[u] *= 0.5; + } + } + } else { + for (u = 0; u < width; u++) { + // if we ran out of buffers, copy several image columns at once + if (currentBuffer === 0) { + numBuffers = Math.min(width - u, numBuffers); + for (k = u, l = bufferPadding; l < ll; k += width, l++) { + for (b = 0; b < numBuffers; b++) { + colBuffers[b][l] = items[k + b]; + } + } + currentBuffer = numBuffers; + } + + currentBuffer--; + var buffer = colBuffers[currentBuffer]; + this.extend(buffer, bufferPadding, height); + this.filter(buffer, bufferPadding, height); + + // If this is last buffer in this group of buffers, flush all buffers. + if (currentBuffer === 0) { + k = u - numBuffers + 1; + for (l = bufferPadding; l < ll; k += width, l++) { + for (b = 0; b < numBuffers; b++) { + items[k + b] = colBuffers[b][l]; + } + } + } + } + } + + return { + width: width, + height: height, + items: items + }; + }; + return Transform; + })(); + + // Section 3.8.2 Irreversible 9-7 filter + var IrreversibleTransform = (function IrreversibleTransformClosure() { + function IrreversibleTransform() { + Transform.call(this); + } + + IrreversibleTransform.prototype = Object.create(Transform.prototype); + IrreversibleTransform.prototype.filter = + function irreversibleTransformFilter(x, offset, length) { + var len = length >> 1; + offset = offset | 0; + var j, n, current, next; + + var alpha = -1.586134342059924; + var beta = -0.052980118572961; + var gamma = 0.882911075530934; + var delta = 0.443506852043971; + var K = 1.230174104914001; + var K_ = 1 / K; + + // step 1 is combined with step 3 + + // step 2 + j = offset - 3; + for (n = len + 4; n--; j += 2) { + x[j] *= K_; + } + + // step 1 & 3 + j = offset - 2; + current = delta * x[j -1]; + for (n = len + 3; n--; j += 2) { + next = delta * x[j + 1]; + x[j] = K * x[j] - current - next; + if (n--) { + j += 2; + current = delta * x[j + 1]; + x[j] = K * x[j] - current - next; + } else { + break; + } + } + + // step 4 + j = offset - 1; + current = gamma * x[j - 1]; + for (n = len + 2; n--; j += 2) { + next = gamma * x[j + 1]; + x[j] -= current + next; + if (n--) { + j += 2; + current = gamma * x[j + 1]; + x[j] -= current + next; + } else { + break; + } + } + + // step 5 + j = offset; + current = beta * x[j - 1]; + for (n = len + 1; n--; j += 2) { + next = beta * x[j + 1]; + x[j] -= current + next; + if (n--) { + j += 2; + current = beta * x[j + 1]; + x[j] -= current + next; + } else { + break; + } + } + + // step 6 + if (len !== 0) { + j = offset + 1; + current = alpha * x[j - 1]; + for (n = len; n--; j += 2) { + next = alpha * x[j + 1]; + x[j] -= current + next; + if (n--) { + j += 2; + current = alpha * x[j + 1]; + x[j] -= current + next; + } else { + break; + } + } + } + }; + + return IrreversibleTransform; + })(); + + // Section 3.8.1 Reversible 5-3 filter + var ReversibleTransform = (function ReversibleTransformClosure() { + function ReversibleTransform() { + Transform.call(this); + } + + ReversibleTransform.prototype = Object.create(Transform.prototype); + ReversibleTransform.prototype.filter = + function reversibleTransformFilter(x, offset, length) { + var len = length >> 1; + offset = offset | 0; + var j, n; + + for (j = offset, n = len + 1; n--; j += 2) { + x[j] -= (x[j - 1] + x[j + 1] + 2) >> 2; + } + + for (j = offset + 1, n = len; n--; j += 2) { + x[j] += (x[j - 1] + x[j + 1]) >> 1; + } + }; + + return ReversibleTransform; + })(); + + return JpxImage; +})(); + +exports.JpxImage = JpxImage; +})); + + + +(function (root, factory) { + { + factory((root.pdfjsCoreMurmurHash3 = {}), root.pdfjsSharedUtil); + } +}(this, function (exports, sharedUtil) { + +var Uint32ArrayView = sharedUtil.Uint32ArrayView; + +var MurmurHash3_64 = (function MurmurHash3_64Closure (seed) { + // Workaround for missing math precison in JS. + var MASK_HIGH = 0xffff0000; + var MASK_LOW = 0xffff; + + function MurmurHash3_64 (seed) { + var SEED = 0xc3d2e1f0; + this.h1 = seed ? seed & 0xffffffff : SEED; + this.h2 = seed ? seed & 0xffffffff : SEED; + } + + var alwaysUseUint32ArrayView = false; + // old webkits have issues with non-aligned arrays + try { + new Uint32Array(new Uint8Array(5).buffer, 0, 1); + } catch (e) { + alwaysUseUint32ArrayView = true; + } + + MurmurHash3_64.prototype = { + update: function MurmurHash3_64_update(input) { + var useUint32ArrayView = alwaysUseUint32ArrayView; + var i; + if (typeof input === 'string') { + var data = new Uint8Array(input.length * 2); + var length = 0; + for (i = 0; i < input.length; i++) { + var code = input.charCodeAt(i); + if (code <= 0xff) { + data[length++] = code; + } + else { + data[length++] = code >>> 8; + data[length++] = code & 0xff; + } + } + } else if (input instanceof Uint8Array) { + data = input; + length = data.length; + } else if (typeof input === 'object' && ('length' in input)) { + // processing regular arrays as well, e.g. for IE9 + data = input; + length = data.length; + useUint32ArrayView = true; + } else { + throw new Error('Wrong data format in MurmurHash3_64_update. ' + + 'Input must be a string or array.'); + } + + var blockCounts = length >> 2; + var tailLength = length - blockCounts * 4; + // we don't care about endianness here + var dataUint32 = useUint32ArrayView ? + new Uint32ArrayView(data, blockCounts) : + new Uint32Array(data.buffer, 0, blockCounts); + var k1 = 0; + var k2 = 0; + var h1 = this.h1; + var h2 = this.h2; + var C1 = 0xcc9e2d51; + var C2 = 0x1b873593; + var C1_LOW = C1 & MASK_LOW; + var C2_LOW = C2 & MASK_LOW; + + for (i = 0; i < blockCounts; i++) { + if (i & 1) { + k1 = dataUint32[i]; + k1 = (k1 * C1 & MASK_HIGH) | (k1 * C1_LOW & MASK_LOW); + k1 = k1 << 15 | k1 >>> 17; + k1 = (k1 * C2 & MASK_HIGH) | (k1 * C2_LOW & MASK_LOW); + h1 ^= k1; + h1 = h1 << 13 | h1 >>> 19; + h1 = h1 * 5 + 0xe6546b64; + } else { + k2 = dataUint32[i]; + k2 = (k2 * C1 & MASK_HIGH) | (k2 * C1_LOW & MASK_LOW); + k2 = k2 << 15 | k2 >>> 17; + k2 = (k2 * C2 & MASK_HIGH) | (k2 * C2_LOW & MASK_LOW); + h2 ^= k2; + h2 = h2 << 13 | h2 >>> 19; + h2 = h2 * 5 + 0xe6546b64; + } + } + + k1 = 0; + + switch (tailLength) { + case 3: + k1 ^= data[blockCounts * 4 + 2] << 16; + /* falls through */ + case 2: + k1 ^= data[blockCounts * 4 + 1] << 8; + /* falls through */ + case 1: + k1 ^= data[blockCounts * 4]; + /* falls through */ + k1 = (k1 * C1 & MASK_HIGH) | (k1 * C1_LOW & MASK_LOW); + k1 = k1 << 15 | k1 >>> 17; + k1 = (k1 * C2 & MASK_HIGH) | (k1 * C2_LOW & MASK_LOW); + if (blockCounts & 1) { + h1 ^= k1; + } else { + h2 ^= k1; + } + } + + this.h1 = h1; + this.h2 = h2; + return this; + }, + + hexdigest: function MurmurHash3_64_hexdigest () { + var h1 = this.h1; + var h2 = this.h2; + + h1 ^= h2 >>> 1; + h1 = (h1 * 0xed558ccd & MASK_HIGH) | (h1 * 0x8ccd & MASK_LOW); + h2 = (h2 * 0xff51afd7 & MASK_HIGH) | + (((h2 << 16 | h1 >>> 16) * 0xafd7ed55 & MASK_HIGH) >>> 16); + h1 ^= h2 >>> 1; + h1 = (h1 * 0x1a85ec53 & MASK_HIGH) | (h1 * 0xec53 & MASK_LOW); + h2 = (h2 * 0xc4ceb9fe & MASK_HIGH) | + (((h2 << 16 | h1 >>> 16) * 0xb9fe1a85 & MASK_HIGH) >>> 16); + h1 ^= h2 >>> 1; + + for (var i = 0, arr = [h1, h2], str = ''; i < arr.length; i++) { + var hex = (arr[i] >>> 0).toString(16); + while (hex.length < 8) { + hex = '0' + hex; + } + str += hex; + } + + return str; + } + }; + + return MurmurHash3_64; +})(); + +exports.MurmurHash3_64 = MurmurHash3_64; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCorePrimitives = {}), root.pdfjsSharedUtil); + } +}(this, function (exports, sharedUtil) { + +var isArray = sharedUtil.isArray; + +var Name = (function NameClosure() { + function Name(name) { + this.name = name; + } + + Name.prototype = {}; + + var nameCache = {}; + + Name.get = function Name_get(name) { + var nameValue = nameCache[name]; + return (nameValue ? nameValue : (nameCache[name] = new Name(name))); + }; + + return Name; +})(); + +var Cmd = (function CmdClosure() { + function Cmd(cmd) { + this.cmd = cmd; + } + + Cmd.prototype = {}; + + var cmdCache = {}; + + Cmd.get = function Cmd_get(cmd) { + var cmdValue = cmdCache[cmd]; + return (cmdValue ? cmdValue : (cmdCache[cmd] = new Cmd(cmd))); + }; + + return Cmd; +})(); + +var Dict = (function DictClosure() { + var nonSerializable = function nonSerializableClosure() { + return nonSerializable; // creating closure on some variable + }; + + var GETALL_DICTIONARY_TYPES_WHITELIST = { + 'Background': true, + 'ExtGState': true, + 'Halftone': true, + 'Layout': true, + 'Mask': true, + 'Pagination': true, + 'Printing': true + }; + + function isRecursionAllowedFor(dict) { + if (!isName(dict.Type)) { + return true; + } + var dictType = dict.Type.name; + return GETALL_DICTIONARY_TYPES_WHITELIST[dictType] === true; + } + + // xref is optional + function Dict(xref) { + // Map should only be used internally, use functions below to access. + this.map = Object.create(null); + this.xref = xref; + this.objId = null; + this.__nonSerializable__ = nonSerializable; // disable cloning of the Dict + } + + Dict.prototype = { + assignXref: function Dict_assignXref(newXref) { + this.xref = newXref; + }, + + // automatically dereferences Ref objects + get: function Dict_get(key1, key2, key3) { + var value; + var xref = this.xref; + if (typeof (value = this.map[key1]) !== 'undefined' || key1 in this.map || + typeof key2 === 'undefined') { + return xref ? xref.fetchIfRef(value) : value; + } + if (typeof (value = this.map[key2]) !== 'undefined' || key2 in this.map || + typeof key3 === 'undefined') { + return xref ? xref.fetchIfRef(value) : value; + } + value = this.map[key3] || null; + return xref ? xref.fetchIfRef(value) : value; + }, + + // Same as get(), but returns a promise and uses fetchIfRefAsync(). + getAsync: function Dict_getAsync(key1, key2, key3) { + var value; + var xref = this.xref; + if (typeof (value = this.map[key1]) !== 'undefined' || key1 in this.map || + typeof key2 === 'undefined') { + if (xref) { + return xref.fetchIfRefAsync(value); + } + return Promise.resolve(value); + } + if (typeof (value = this.map[key2]) !== 'undefined' || key2 in this.map || + typeof key3 === 'undefined') { + if (xref) { + return xref.fetchIfRefAsync(value); + } + return Promise.resolve(value); + } + value = this.map[key3] || null; + if (xref) { + return xref.fetchIfRefAsync(value); + } + return Promise.resolve(value); + }, + + // Same as get(), but dereferences all elements if the result is an Array. + getArray: function Dict_getArray(key1, key2, key3) { + var value = this.get(key1, key2, key3); + var xref = this.xref; + if (!isArray(value) || !xref) { + return value; + } + value = value.slice(); // Ensure that we don't modify the Dict data. + for (var i = 0, ii = value.length; i < ii; i++) { + if (!isRef(value[i])) { + continue; + } + value[i] = xref.fetch(value[i]); + } + return value; + }, + + // no dereferencing + getRaw: function Dict_getRaw(key) { + return this.map[key]; + }, + + // creates new map and dereferences all Refs + getAll: function Dict_getAll() { + var all = Object.create(null); + var queue = null; + var key, obj; + for (key in this.map) { + obj = this.get(key); + if (obj instanceof Dict) { + if (isRecursionAllowedFor(obj)) { + (queue || (queue = [])).push({target: all, key: key, obj: obj}); + } else { + all[key] = this.getRaw(key); + } + } else { + all[key] = obj; + } + } + if (!queue) { + return all; + } + + // trying to take cyclic references into the account + var processed = Object.create(null); + while (queue.length > 0) { + var item = queue.shift(); + var itemObj = item.obj; + var objId = itemObj.objId; + if (objId && objId in processed) { + item.target[item.key] = processed[objId]; + continue; + } + var dereferenced = Object.create(null); + for (key in itemObj.map) { + obj = itemObj.get(key); + if (obj instanceof Dict) { + if (isRecursionAllowedFor(obj)) { + queue.push({target: dereferenced, key: key, obj: obj}); + } else { + dereferenced[key] = itemObj.getRaw(key); + } + } else { + dereferenced[key] = obj; + } + } + if (objId) { + processed[objId] = dereferenced; + } + item.target[item.key] = dereferenced; + } + return all; + }, + + getKeys: function Dict_getKeys() { + return Object.keys(this.map); + }, + + set: function Dict_set(key, value) { + this.map[key] = value; + }, + + has: function Dict_has(key) { + return key in this.map; + }, + + forEach: function Dict_forEach(callback) { + for (var key in this.map) { + callback(key, this.get(key)); + } + } + }; + + Dict.empty = new Dict(null); + + Dict.merge = function Dict_merge(xref, dictArray) { + var mergedDict = new Dict(xref); + + for (var i = 0, ii = dictArray.length; i < ii; i++) { + var dict = dictArray[i]; + if (!isDict(dict)) { + continue; + } + for (var keyName in dict.map) { + if (mergedDict.map[keyName]) { + continue; + } + mergedDict.map[keyName] = dict.map[keyName]; + } + } + return mergedDict; + }; + + return Dict; +})(); + +var Ref = (function RefClosure() { + function Ref(num, gen) { + this.num = num; + this.gen = gen; + } + + Ref.prototype = { + toString: function Ref_toString() { + // This function is hot, so we make the string as compact as possible. + // |this.gen| is almost always zero, so we treat that case specially. + var str = this.num + 'R'; + if (this.gen !== 0) { + str += this.gen; + } + return str; + } + }; + + return Ref; +})(); + +// The reference is identified by number and generation. +// This structure stores only one instance of the reference. +var RefSet = (function RefSetClosure() { + function RefSet() { + this.dict = {}; + } + + RefSet.prototype = { + has: function RefSet_has(ref) { + return ref.toString() in this.dict; + }, + + put: function RefSet_put(ref) { + this.dict[ref.toString()] = true; + }, + + remove: function RefSet_remove(ref) { + delete this.dict[ref.toString()]; + } + }; + + return RefSet; +})(); + +var RefSetCache = (function RefSetCacheClosure() { + function RefSetCache() { + this.dict = Object.create(null); + } + + RefSetCache.prototype = { + get: function RefSetCache_get(ref) { + return this.dict[ref.toString()]; + }, + + has: function RefSetCache_has(ref) { + return ref.toString() in this.dict; + }, + + put: function RefSetCache_put(ref, obj) { + this.dict[ref.toString()] = obj; + }, + + putAlias: function RefSetCache_putAlias(ref, aliasRef) { + this.dict[ref.toString()] = this.get(aliasRef); + }, + + forEach: function RefSetCache_forEach(fn, thisArg) { + for (var i in this.dict) { + fn.call(thisArg, this.dict[i]); + } + }, + + clear: function RefSetCache_clear() { + this.dict = Object.create(null); + } + }; + + return RefSetCache; +})(); + +function isName(v) { + return v instanceof Name; +} + +function isCmd(v, cmd) { + return v instanceof Cmd && (cmd === undefined || v.cmd === cmd); +} + +function isDict(v, type) { + if (!(v instanceof Dict)) { + return false; + } + if (!type) { + return true; + } + var dictType = v.get('Type'); + return isName(dictType) && dictType.name === type; +} + +function isRef(v) { + return v instanceof Ref; +} + +function isStream(v) { + return typeof v === 'object' && v !== null && v.getBytes !== undefined; +} + +exports.Cmd = Cmd; +exports.Dict = Dict; +exports.Name = Name; +exports.Ref = Ref; +exports.RefSet = RefSet; +exports.RefSetCache = RefSetCache; +exports.isCmd = isCmd; +exports.isDict = isDict; +exports.isName = isName; +exports.isRef = isRef; +exports.isStream = isStream; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreStream = {}), root.pdfjsSharedUtil, + root.pdfjsCorePrimitives, root.pdfjsCoreJbig2, root.pdfjsCoreJpg, + root.pdfjsCoreJpx); + } +}(this, function (exports, sharedUtil, corePrimitives, coreJbig2, coreJpg, + coreJpx) { + +var Util = sharedUtil.Util; +var error = sharedUtil.error; +var info = sharedUtil.info; +var isArray = sharedUtil.isArray; +var shadow = sharedUtil.shadow; +var warn = sharedUtil.warn; +var Dict = corePrimitives.Dict; +var Jbig2Image = coreJbig2.Jbig2Image; +var JpegImage = coreJpg.JpegImage; +var JpxImage = coreJpx.JpxImage; + +var coreParser; // see _setCoreParser below +var EOF; // = coreParser.EOF; +var Lexer; // = coreParser.Lexer; + +var coreColorSpace; // see _setCoreColorSpace below +var ColorSpace; // = coreColorSpace.ColorSpace; + +var Stream = (function StreamClosure() { + function Stream(arrayBuffer, start, length, dict) { + this.bytes = (arrayBuffer instanceof Uint8Array ? + arrayBuffer : new Uint8Array(arrayBuffer)); + this.start = start || 0; + this.pos = this.start; + this.end = (start + length) || this.bytes.length; + this.dict = dict; + } + + // required methods for a stream. if a particular stream does not + // implement these, an error should be thrown + Stream.prototype = { + get length() { + return this.end - this.start; + }, + get isEmpty() { + return this.length === 0; + }, + getByte: function Stream_getByte() { + if (this.pos >= this.end) { + return -1; + } + return this.bytes[this.pos++]; + }, + getUint16: function Stream_getUint16() { + var b0 = this.getByte(); + var b1 = this.getByte(); + if (b0 === -1 || b1 === -1) { + return -1; + } + return (b0 << 8) + b1; + }, + getInt32: function Stream_getInt32() { + var b0 = this.getByte(); + var b1 = this.getByte(); + var b2 = this.getByte(); + var b3 = this.getByte(); + return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3; + }, + // returns subarray of original buffer + // should only be read + getBytes: function Stream_getBytes(length) { + var bytes = this.bytes; + var pos = this.pos; + var strEnd = this.end; + + if (!length) { + return bytes.subarray(pos, strEnd); + } + var end = pos + length; + if (end > strEnd) { + end = strEnd; + } + this.pos = end; + return bytes.subarray(pos, end); + }, + peekByte: function Stream_peekByte() { + var peekedByte = this.getByte(); + this.pos--; + return peekedByte; + }, + peekBytes: function Stream_peekBytes(length) { + var bytes = this.getBytes(length); + this.pos -= bytes.length; + return bytes; + }, + skip: function Stream_skip(n) { + if (!n) { + n = 1; + } + this.pos += n; + }, + reset: function Stream_reset() { + this.pos = this.start; + }, + moveStart: function Stream_moveStart() { + this.start = this.pos; + }, + makeSubStream: function Stream_makeSubStream(start, length, dict) { + return new Stream(this.bytes.buffer, start, length, dict); + }, + isStream: true + }; + + return Stream; +})(); + +var StringStream = (function StringStreamClosure() { + function StringStream(str) { + var length = str.length; + var bytes = new Uint8Array(length); + for (var n = 0; n < length; ++n) { + bytes[n] = str.charCodeAt(n); + } + Stream.call(this, bytes); + } + + StringStream.prototype = Stream.prototype; + + return StringStream; +})(); + +// super class for the decoding streams +var DecodeStream = (function DecodeStreamClosure() { + // Lots of DecodeStreams are created whose buffers are never used. For these + // we share a single empty buffer. This is (a) space-efficient and (b) avoids + // having special cases that would be required if we used |null| for an empty + // buffer. + var emptyBuffer = new Uint8Array(0); + + function DecodeStream(maybeMinBufferLength) { + this.pos = 0; + this.bufferLength = 0; + this.eof = false; + this.buffer = emptyBuffer; + this.minBufferLength = 512; + if (maybeMinBufferLength) { + // Compute the first power of two that is as big as maybeMinBufferLength. + while (this.minBufferLength < maybeMinBufferLength) { + this.minBufferLength *= 2; + } + } + } + + DecodeStream.prototype = { + get isEmpty() { + while (!this.eof && this.bufferLength === 0) { + this.readBlock(); + } + return this.bufferLength === 0; + }, + ensureBuffer: function DecodeStream_ensureBuffer(requested) { + var buffer = this.buffer; + if (requested <= buffer.byteLength) { + return buffer; + } + var size = this.minBufferLength; + while (size < requested) { + size *= 2; + } + var buffer2 = new Uint8Array(size); + buffer2.set(buffer); + return (this.buffer = buffer2); + }, + getByte: function DecodeStream_getByte() { + var pos = this.pos; + while (this.bufferLength <= pos) { + if (this.eof) { + return -1; + } + this.readBlock(); + } + return this.buffer[this.pos++]; + }, + getUint16: function DecodeStream_getUint16() { + var b0 = this.getByte(); + var b1 = this.getByte(); + if (b0 === -1 || b1 === -1) { + return -1; + } + return (b0 << 8) + b1; + }, + getInt32: function DecodeStream_getInt32() { + var b0 = this.getByte(); + var b1 = this.getByte(); + var b2 = this.getByte(); + var b3 = this.getByte(); + return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3; + }, + getBytes: function DecodeStream_getBytes(length) { + var end, pos = this.pos; + + if (length) { + this.ensureBuffer(pos + length); + end = pos + length; + + while (!this.eof && this.bufferLength < end) { + this.readBlock(); + } + var bufEnd = this.bufferLength; + if (end > bufEnd) { + end = bufEnd; + } + } else { + while (!this.eof) { + this.readBlock(); + } + end = this.bufferLength; + } + + this.pos = end; + return this.buffer.subarray(pos, end); + }, + peekByte: function DecodeStream_peekByte() { + var peekedByte = this.getByte(); + this.pos--; + return peekedByte; + }, + peekBytes: function DecodeStream_peekBytes(length) { + var bytes = this.getBytes(length); + this.pos -= bytes.length; + return bytes; + }, + makeSubStream: function DecodeStream_makeSubStream(start, length, dict) { + var end = start + length; + while (this.bufferLength <= end && !this.eof) { + this.readBlock(); + } + return new Stream(this.buffer, start, length, dict); + }, + skip: function DecodeStream_skip(n) { + if (!n) { + n = 1; + } + this.pos += n; + }, + reset: function DecodeStream_reset() { + this.pos = 0; + }, + getBaseStreams: function DecodeStream_getBaseStreams() { + if (this.str && this.str.getBaseStreams) { + return this.str.getBaseStreams(); + } + return []; + } + }; + + return DecodeStream; +})(); + +var StreamsSequenceStream = (function StreamsSequenceStreamClosure() { + function StreamsSequenceStream(streams) { + this.streams = streams; + DecodeStream.call(this, /* maybeLength = */ null); + } + + StreamsSequenceStream.prototype = Object.create(DecodeStream.prototype); + + StreamsSequenceStream.prototype.readBlock = + function streamSequenceStreamReadBlock() { + + var streams = this.streams; + if (streams.length === 0) { + this.eof = true; + return; + } + var stream = streams.shift(); + var chunk = stream.getBytes(); + var bufferLength = this.bufferLength; + var newLength = bufferLength + chunk.length; + var buffer = this.ensureBuffer(newLength); + buffer.set(chunk, bufferLength); + this.bufferLength = newLength; + }; + + StreamsSequenceStream.prototype.getBaseStreams = + function StreamsSequenceStream_getBaseStreams() { + + var baseStreams = []; + for (var i = 0, ii = this.streams.length; i < ii; i++) { + var stream = this.streams[i]; + if (stream.getBaseStreams) { + Util.appendToArray(baseStreams, stream.getBaseStreams()); + } + } + return baseStreams; + }; + + return StreamsSequenceStream; +})(); + +var FlateStream = (function FlateStreamClosure() { + var codeLenCodeMap = new Int32Array([ + 16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15 + ]); + + var lengthDecode = new Int32Array([ + 0x00003, 0x00004, 0x00005, 0x00006, 0x00007, 0x00008, 0x00009, 0x0000a, + 0x1000b, 0x1000d, 0x1000f, 0x10011, 0x20013, 0x20017, 0x2001b, 0x2001f, + 0x30023, 0x3002b, 0x30033, 0x3003b, 0x40043, 0x40053, 0x40063, 0x40073, + 0x50083, 0x500a3, 0x500c3, 0x500e3, 0x00102, 0x00102, 0x00102 + ]); + + var distDecode = new Int32Array([ + 0x00001, 0x00002, 0x00003, 0x00004, 0x10005, 0x10007, 0x20009, 0x2000d, + 0x30011, 0x30019, 0x40021, 0x40031, 0x50041, 0x50061, 0x60081, 0x600c1, + 0x70101, 0x70181, 0x80201, 0x80301, 0x90401, 0x90601, 0xa0801, 0xa0c01, + 0xb1001, 0xb1801, 0xc2001, 0xc3001, 0xd4001, 0xd6001 + ]); + + var fixedLitCodeTab = [new Int32Array([ + 0x70100, 0x80050, 0x80010, 0x80118, 0x70110, 0x80070, 0x80030, 0x900c0, + 0x70108, 0x80060, 0x80020, 0x900a0, 0x80000, 0x80080, 0x80040, 0x900e0, + 0x70104, 0x80058, 0x80018, 0x90090, 0x70114, 0x80078, 0x80038, 0x900d0, + 0x7010c, 0x80068, 0x80028, 0x900b0, 0x80008, 0x80088, 0x80048, 0x900f0, + 0x70102, 0x80054, 0x80014, 0x8011c, 0x70112, 0x80074, 0x80034, 0x900c8, + 0x7010a, 0x80064, 0x80024, 0x900a8, 0x80004, 0x80084, 0x80044, 0x900e8, + 0x70106, 0x8005c, 0x8001c, 0x90098, 0x70116, 0x8007c, 0x8003c, 0x900d8, + 0x7010e, 0x8006c, 0x8002c, 0x900b8, 0x8000c, 0x8008c, 0x8004c, 0x900f8, + 0x70101, 0x80052, 0x80012, 0x8011a, 0x70111, 0x80072, 0x80032, 0x900c4, + 0x70109, 0x80062, 0x80022, 0x900a4, 0x80002, 0x80082, 0x80042, 0x900e4, + 0x70105, 0x8005a, 0x8001a, 0x90094, 0x70115, 0x8007a, 0x8003a, 0x900d4, + 0x7010d, 0x8006a, 0x8002a, 0x900b4, 0x8000a, 0x8008a, 0x8004a, 0x900f4, + 0x70103, 0x80056, 0x80016, 0x8011e, 0x70113, 0x80076, 0x80036, 0x900cc, + 0x7010b, 0x80066, 0x80026, 0x900ac, 0x80006, 0x80086, 0x80046, 0x900ec, + 0x70107, 0x8005e, 0x8001e, 0x9009c, 0x70117, 0x8007e, 0x8003e, 0x900dc, + 0x7010f, 0x8006e, 0x8002e, 0x900bc, 0x8000e, 0x8008e, 0x8004e, 0x900fc, + 0x70100, 0x80051, 0x80011, 0x80119, 0x70110, 0x80071, 0x80031, 0x900c2, + 0x70108, 0x80061, 0x80021, 0x900a2, 0x80001, 0x80081, 0x80041, 0x900e2, + 0x70104, 0x80059, 0x80019, 0x90092, 0x70114, 0x80079, 0x80039, 0x900d2, + 0x7010c, 0x80069, 0x80029, 0x900b2, 0x80009, 0x80089, 0x80049, 0x900f2, + 0x70102, 0x80055, 0x80015, 0x8011d, 0x70112, 0x80075, 0x80035, 0x900ca, + 0x7010a, 0x80065, 0x80025, 0x900aa, 0x80005, 0x80085, 0x80045, 0x900ea, + 0x70106, 0x8005d, 0x8001d, 0x9009a, 0x70116, 0x8007d, 0x8003d, 0x900da, + 0x7010e, 0x8006d, 0x8002d, 0x900ba, 0x8000d, 0x8008d, 0x8004d, 0x900fa, + 0x70101, 0x80053, 0x80013, 0x8011b, 0x70111, 0x80073, 0x80033, 0x900c6, + 0x70109, 0x80063, 0x80023, 0x900a6, 0x80003, 0x80083, 0x80043, 0x900e6, + 0x70105, 0x8005b, 0x8001b, 0x90096, 0x70115, 0x8007b, 0x8003b, 0x900d6, + 0x7010d, 0x8006b, 0x8002b, 0x900b6, 0x8000b, 0x8008b, 0x8004b, 0x900f6, + 0x70103, 0x80057, 0x80017, 0x8011f, 0x70113, 0x80077, 0x80037, 0x900ce, + 0x7010b, 0x80067, 0x80027, 0x900ae, 0x80007, 0x80087, 0x80047, 0x900ee, + 0x70107, 0x8005f, 0x8001f, 0x9009e, 0x70117, 0x8007f, 0x8003f, 0x900de, + 0x7010f, 0x8006f, 0x8002f, 0x900be, 0x8000f, 0x8008f, 0x8004f, 0x900fe, + 0x70100, 0x80050, 0x80010, 0x80118, 0x70110, 0x80070, 0x80030, 0x900c1, + 0x70108, 0x80060, 0x80020, 0x900a1, 0x80000, 0x80080, 0x80040, 0x900e1, + 0x70104, 0x80058, 0x80018, 0x90091, 0x70114, 0x80078, 0x80038, 0x900d1, + 0x7010c, 0x80068, 0x80028, 0x900b1, 0x80008, 0x80088, 0x80048, 0x900f1, + 0x70102, 0x80054, 0x80014, 0x8011c, 0x70112, 0x80074, 0x80034, 0x900c9, + 0x7010a, 0x80064, 0x80024, 0x900a9, 0x80004, 0x80084, 0x80044, 0x900e9, + 0x70106, 0x8005c, 0x8001c, 0x90099, 0x70116, 0x8007c, 0x8003c, 0x900d9, + 0x7010e, 0x8006c, 0x8002c, 0x900b9, 0x8000c, 0x8008c, 0x8004c, 0x900f9, + 0x70101, 0x80052, 0x80012, 0x8011a, 0x70111, 0x80072, 0x80032, 0x900c5, + 0x70109, 0x80062, 0x80022, 0x900a5, 0x80002, 0x80082, 0x80042, 0x900e5, + 0x70105, 0x8005a, 0x8001a, 0x90095, 0x70115, 0x8007a, 0x8003a, 0x900d5, + 0x7010d, 0x8006a, 0x8002a, 0x900b5, 0x8000a, 0x8008a, 0x8004a, 0x900f5, + 0x70103, 0x80056, 0x80016, 0x8011e, 0x70113, 0x80076, 0x80036, 0x900cd, + 0x7010b, 0x80066, 0x80026, 0x900ad, 0x80006, 0x80086, 0x80046, 0x900ed, + 0x70107, 0x8005e, 0x8001e, 0x9009d, 0x70117, 0x8007e, 0x8003e, 0x900dd, + 0x7010f, 0x8006e, 0x8002e, 0x900bd, 0x8000e, 0x8008e, 0x8004e, 0x900fd, + 0x70100, 0x80051, 0x80011, 0x80119, 0x70110, 0x80071, 0x80031, 0x900c3, + 0x70108, 0x80061, 0x80021, 0x900a3, 0x80001, 0x80081, 0x80041, 0x900e3, + 0x70104, 0x80059, 0x80019, 0x90093, 0x70114, 0x80079, 0x80039, 0x900d3, + 0x7010c, 0x80069, 0x80029, 0x900b3, 0x80009, 0x80089, 0x80049, 0x900f3, + 0x70102, 0x80055, 0x80015, 0x8011d, 0x70112, 0x80075, 0x80035, 0x900cb, + 0x7010a, 0x80065, 0x80025, 0x900ab, 0x80005, 0x80085, 0x80045, 0x900eb, + 0x70106, 0x8005d, 0x8001d, 0x9009b, 0x70116, 0x8007d, 0x8003d, 0x900db, + 0x7010e, 0x8006d, 0x8002d, 0x900bb, 0x8000d, 0x8008d, 0x8004d, 0x900fb, + 0x70101, 0x80053, 0x80013, 0x8011b, 0x70111, 0x80073, 0x80033, 0x900c7, + 0x70109, 0x80063, 0x80023, 0x900a7, 0x80003, 0x80083, 0x80043, 0x900e7, + 0x70105, 0x8005b, 0x8001b, 0x90097, 0x70115, 0x8007b, 0x8003b, 0x900d7, + 0x7010d, 0x8006b, 0x8002b, 0x900b7, 0x8000b, 0x8008b, 0x8004b, 0x900f7, + 0x70103, 0x80057, 0x80017, 0x8011f, 0x70113, 0x80077, 0x80037, 0x900cf, + 0x7010b, 0x80067, 0x80027, 0x900af, 0x80007, 0x80087, 0x80047, 0x900ef, + 0x70107, 0x8005f, 0x8001f, 0x9009f, 0x70117, 0x8007f, 0x8003f, 0x900df, + 0x7010f, 0x8006f, 0x8002f, 0x900bf, 0x8000f, 0x8008f, 0x8004f, 0x900ff + ]), 9]; + + var fixedDistCodeTab = [new Int32Array([ + 0x50000, 0x50010, 0x50008, 0x50018, 0x50004, 0x50014, 0x5000c, 0x5001c, + 0x50002, 0x50012, 0x5000a, 0x5001a, 0x50006, 0x50016, 0x5000e, 0x00000, + 0x50001, 0x50011, 0x50009, 0x50019, 0x50005, 0x50015, 0x5000d, 0x5001d, + 0x50003, 0x50013, 0x5000b, 0x5001b, 0x50007, 0x50017, 0x5000f, 0x00000 + ]), 5]; + + function FlateStream(str, maybeLength) { + this.str = str; + this.dict = str.dict; + + var cmf = str.getByte(); + var flg = str.getByte(); + if (cmf === -1 || flg === -1) { + error('Invalid header in flate stream: ' + cmf + ', ' + flg); + } + if ((cmf & 0x0f) !== 0x08) { + error('Unknown compression method in flate stream: ' + cmf + ', ' + flg); + } + if ((((cmf << 8) + flg) % 31) !== 0) { + error('Bad FCHECK in flate stream: ' + cmf + ', ' + flg); + } + if (flg & 0x20) { + error('FDICT bit set in flate stream: ' + cmf + ', ' + flg); + } + + this.codeSize = 0; + this.codeBuf = 0; + + DecodeStream.call(this, maybeLength); + } + + FlateStream.prototype = Object.create(DecodeStream.prototype); + + FlateStream.prototype.getBits = function FlateStream_getBits(bits) { + var str = this.str; + var codeSize = this.codeSize; + var codeBuf = this.codeBuf; + + var b; + while (codeSize < bits) { + if ((b = str.getByte()) === -1) { + error('Bad encoding in flate stream'); + } + codeBuf |= b << codeSize; + codeSize += 8; + } + b = codeBuf & ((1 << bits) - 1); + this.codeBuf = codeBuf >> bits; + this.codeSize = codeSize -= bits; + + return b; + }; + + FlateStream.prototype.getCode = function FlateStream_getCode(table) { + var str = this.str; + var codes = table[0]; + var maxLen = table[1]; + var codeSize = this.codeSize; + var codeBuf = this.codeBuf; + + var b; + while (codeSize < maxLen) { + if ((b = str.getByte()) === -1) { + // premature end of stream. code might however still be valid. + // codeSize < codeLen check below guards against incomplete codeVal. + break; + } + codeBuf |= (b << codeSize); + codeSize += 8; + } + var code = codes[codeBuf & ((1 << maxLen) - 1)]; + var codeLen = code >> 16; + var codeVal = code & 0xffff; + if (codeLen < 1 || codeSize < codeLen) { + error('Bad encoding in flate stream'); + } + this.codeBuf = (codeBuf >> codeLen); + this.codeSize = (codeSize - codeLen); + return codeVal; + }; + + FlateStream.prototype.generateHuffmanTable = + function flateStreamGenerateHuffmanTable(lengths) { + var n = lengths.length; + + // find max code length + var maxLen = 0; + var i; + for (i = 0; i < n; ++i) { + if (lengths[i] > maxLen) { + maxLen = lengths[i]; + } + } + + // build the table + var size = 1 << maxLen; + var codes = new Int32Array(size); + for (var len = 1, code = 0, skip = 2; + len <= maxLen; + ++len, code <<= 1, skip <<= 1) { + for (var val = 0; val < n; ++val) { + if (lengths[val] === len) { + // bit-reverse the code + var code2 = 0; + var t = code; + for (i = 0; i < len; ++i) { + code2 = (code2 << 1) | (t & 1); + t >>= 1; + } + + // fill the table entries + for (i = code2; i < size; i += skip) { + codes[i] = (len << 16) | val; + } + ++code; + } + } + } + + return [codes, maxLen]; + }; + + FlateStream.prototype.readBlock = function FlateStream_readBlock() { + var buffer, len; + var str = this.str; + // read block header + var hdr = this.getBits(3); + if (hdr & 1) { + this.eof = true; + } + hdr >>= 1; + + if (hdr === 0) { // uncompressed block + var b; + + if ((b = str.getByte()) === -1) { + error('Bad block header in flate stream'); + } + var blockLen = b; + if ((b = str.getByte()) === -1) { + error('Bad block header in flate stream'); + } + blockLen |= (b << 8); + if ((b = str.getByte()) === -1) { + error('Bad block header in flate stream'); + } + var check = b; + if ((b = str.getByte()) === -1) { + error('Bad block header in flate stream'); + } + check |= (b << 8); + if (check !== (~blockLen & 0xffff) && + (blockLen !== 0 || check !== 0)) { + // Ignoring error for bad "empty" block (see issue 1277) + error('Bad uncompressed block length in flate stream'); + } + + this.codeBuf = 0; + this.codeSize = 0; + + var bufferLength = this.bufferLength; + buffer = this.ensureBuffer(bufferLength + blockLen); + var end = bufferLength + blockLen; + this.bufferLength = end; + if (blockLen === 0) { + if (str.peekByte() === -1) { + this.eof = true; + } + } else { + for (var n = bufferLength; n < end; ++n) { + if ((b = str.getByte()) === -1) { + this.eof = true; + break; + } + buffer[n] = b; + } + } + return; + } + + var litCodeTable; + var distCodeTable; + if (hdr === 1) { // compressed block, fixed codes + litCodeTable = fixedLitCodeTab; + distCodeTable = fixedDistCodeTab; + } else if (hdr === 2) { // compressed block, dynamic codes + var numLitCodes = this.getBits(5) + 257; + var numDistCodes = this.getBits(5) + 1; + var numCodeLenCodes = this.getBits(4) + 4; + + // build the code lengths code table + var codeLenCodeLengths = new Uint8Array(codeLenCodeMap.length); + + var i; + for (i = 0; i < numCodeLenCodes; ++i) { + codeLenCodeLengths[codeLenCodeMap[i]] = this.getBits(3); + } + var codeLenCodeTab = this.generateHuffmanTable(codeLenCodeLengths); + + // build the literal and distance code tables + len = 0; + i = 0; + var codes = numLitCodes + numDistCodes; + var codeLengths = new Uint8Array(codes); + var bitsLength, bitsOffset, what; + while (i < codes) { + var code = this.getCode(codeLenCodeTab); + if (code === 16) { + bitsLength = 2; bitsOffset = 3; what = len; + } else if (code === 17) { + bitsLength = 3; bitsOffset = 3; what = (len = 0); + } else if (code === 18) { + bitsLength = 7; bitsOffset = 11; what = (len = 0); + } else { + codeLengths[i++] = len = code; + continue; + } + + var repeatLength = this.getBits(bitsLength) + bitsOffset; + while (repeatLength-- > 0) { + codeLengths[i++] = what; + } + } + + litCodeTable = + this.generateHuffmanTable(codeLengths.subarray(0, numLitCodes)); + distCodeTable = + this.generateHuffmanTable(codeLengths.subarray(numLitCodes, codes)); + } else { + error('Unknown block type in flate stream'); + } + + buffer = this.buffer; + var limit = buffer ? buffer.length : 0; + var pos = this.bufferLength; + while (true) { + var code1 = this.getCode(litCodeTable); + if (code1 < 256) { + if (pos + 1 >= limit) { + buffer = this.ensureBuffer(pos + 1); + limit = buffer.length; + } + buffer[pos++] = code1; + continue; + } + if (code1 === 256) { + this.bufferLength = pos; + return; + } + code1 -= 257; + code1 = lengthDecode[code1]; + var code2 = code1 >> 16; + if (code2 > 0) { + code2 = this.getBits(code2); + } + len = (code1 & 0xffff) + code2; + code1 = this.getCode(distCodeTable); + code1 = distDecode[code1]; + code2 = code1 >> 16; + if (code2 > 0) { + code2 = this.getBits(code2); + } + var dist = (code1 & 0xffff) + code2; + if (pos + len >= limit) { + buffer = this.ensureBuffer(pos + len); + limit = buffer.length; + } + for (var k = 0; k < len; ++k, ++pos) { + buffer[pos] = buffer[pos - dist]; + } + } + }; + + return FlateStream; +})(); + +var PredictorStream = (function PredictorStreamClosure() { + function PredictorStream(str, maybeLength, params) { + var predictor = this.predictor = params.get('Predictor') || 1; + + if (predictor <= 1) { + return str; // no prediction + } + if (predictor !== 2 && (predictor < 10 || predictor > 15)) { + error('Unsupported predictor: ' + predictor); + } + + if (predictor === 2) { + this.readBlock = this.readBlockTiff; + } else { + this.readBlock = this.readBlockPng; + } + + this.str = str; + this.dict = str.dict; + + var colors = this.colors = params.get('Colors') || 1; + var bits = this.bits = params.get('BitsPerComponent') || 8; + var columns = this.columns = params.get('Columns') || 1; + + this.pixBytes = (colors * bits + 7) >> 3; + this.rowBytes = (columns * colors * bits + 7) >> 3; + + DecodeStream.call(this, maybeLength); + return this; + } + + PredictorStream.prototype = Object.create(DecodeStream.prototype); + + PredictorStream.prototype.readBlockTiff = + function predictorStreamReadBlockTiff() { + var rowBytes = this.rowBytes; + + var bufferLength = this.bufferLength; + var buffer = this.ensureBuffer(bufferLength + rowBytes); + + var bits = this.bits; + var colors = this.colors; + + var rawBytes = this.str.getBytes(rowBytes); + this.eof = !rawBytes.length; + if (this.eof) { + return; + } + + var inbuf = 0, outbuf = 0; + var inbits = 0, outbits = 0; + var pos = bufferLength; + var i; + + if (bits === 1) { + for (i = 0; i < rowBytes; ++i) { + var c = rawBytes[i]; + inbuf = (inbuf << 8) | c; + // bitwise addition is exclusive or + // first shift inbuf and then add + buffer[pos++] = (c ^ (inbuf >> colors)) & 0xFF; + // truncate inbuf (assumes colors < 16) + inbuf &= 0xFFFF; + } + } else if (bits === 8) { + for (i = 0; i < colors; ++i) { + buffer[pos++] = rawBytes[i]; + } + for (; i < rowBytes; ++i) { + buffer[pos] = buffer[pos - colors] + rawBytes[i]; + pos++; + } + } else { + var compArray = new Uint8Array(colors + 1); + var bitMask = (1 << bits) - 1; + var j = 0, k = bufferLength; + var columns = this.columns; + for (i = 0; i < columns; ++i) { + for (var kk = 0; kk < colors; ++kk) { + if (inbits < bits) { + inbuf = (inbuf << 8) | (rawBytes[j++] & 0xFF); + inbits += 8; + } + compArray[kk] = (compArray[kk] + + (inbuf >> (inbits - bits))) & bitMask; + inbits -= bits; + outbuf = (outbuf << bits) | compArray[kk]; + outbits += bits; + if (outbits >= 8) { + buffer[k++] = (outbuf >> (outbits - 8)) & 0xFF; + outbits -= 8; + } + } + } + if (outbits > 0) { + buffer[k++] = (outbuf << (8 - outbits)) + + (inbuf & ((1 << (8 - outbits)) - 1)); + } + } + this.bufferLength += rowBytes; + }; + + PredictorStream.prototype.readBlockPng = + function predictorStreamReadBlockPng() { + + var rowBytes = this.rowBytes; + var pixBytes = this.pixBytes; + + var predictor = this.str.getByte(); + var rawBytes = this.str.getBytes(rowBytes); + this.eof = !rawBytes.length; + if (this.eof) { + return; + } + + var bufferLength = this.bufferLength; + var buffer = this.ensureBuffer(bufferLength + rowBytes); + + var prevRow = buffer.subarray(bufferLength - rowBytes, bufferLength); + if (prevRow.length === 0) { + prevRow = new Uint8Array(rowBytes); + } + + var i, j = bufferLength, up, c; + switch (predictor) { + case 0: + for (i = 0; i < rowBytes; ++i) { + buffer[j++] = rawBytes[i]; + } + break; + case 1: + for (i = 0; i < pixBytes; ++i) { + buffer[j++] = rawBytes[i]; + } + for (; i < rowBytes; ++i) { + buffer[j] = (buffer[j - pixBytes] + rawBytes[i]) & 0xFF; + j++; + } + break; + case 2: + for (i = 0; i < rowBytes; ++i) { + buffer[j++] = (prevRow[i] + rawBytes[i]) & 0xFF; + } + break; + case 3: + for (i = 0; i < pixBytes; ++i) { + buffer[j++] = (prevRow[i] >> 1) + rawBytes[i]; + } + for (; i < rowBytes; ++i) { + buffer[j] = (((prevRow[i] + buffer[j - pixBytes]) >> 1) + + rawBytes[i]) & 0xFF; + j++; + } + break; + case 4: + // we need to save the up left pixels values. the simplest way + // is to create a new buffer + for (i = 0; i < pixBytes; ++i) { + up = prevRow[i]; + c = rawBytes[i]; + buffer[j++] = up + c; + } + for (; i < rowBytes; ++i) { + up = prevRow[i]; + var upLeft = prevRow[i - pixBytes]; + var left = buffer[j - pixBytes]; + var p = left + up - upLeft; + + var pa = p - left; + if (pa < 0) { + pa = -pa; + } + var pb = p - up; + if (pb < 0) { + pb = -pb; + } + var pc = p - upLeft; + if (pc < 0) { + pc = -pc; + } + + c = rawBytes[i]; + if (pa <= pb && pa <= pc) { + buffer[j++] = left + c; + } else if (pb <= pc) { + buffer[j++] = up + c; + } else { + buffer[j++] = upLeft + c; + } + } + break; + default: + error('Unsupported predictor: ' + predictor); + } + this.bufferLength += rowBytes; + }; + + return PredictorStream; +})(); + +/** + * Depending on the type of JPEG a JpegStream is handled in different ways. For + * JPEG's that are supported natively such as DeviceGray and DeviceRGB the image + * data is stored and then loaded by the browser. For unsupported JPEG's we use + * a library to decode these images and the stream behaves like all the other + * DecodeStreams. + */ +var JpegStream = (function JpegStreamClosure() { + function JpegStream(stream, maybeLength, dict, xref) { + // Some images may contain 'junk' before the SOI (start-of-image) marker. + // Note: this seems to mainly affect inline images. + var ch; + while ((ch = stream.getByte()) !== -1) { + if (ch === 0xFF) { // Find the first byte of the SOI marker (0xFFD8). + stream.skip(-1); // Reset the stream position to the SOI. + break; + } + } + this.stream = stream; + this.maybeLength = maybeLength; + this.dict = dict; + + DecodeStream.call(this, maybeLength); + } + + JpegStream.prototype = Object.create(DecodeStream.prototype); + + Object.defineProperty(JpegStream.prototype, 'bytes', { + get: function JpegStream_bytes() { + // If this.maybeLength is null, we'll get the entire stream. + return shadow(this, 'bytes', this.stream.getBytes(this.maybeLength)); + }, + configurable: true + }); + + JpegStream.prototype.ensureBuffer = function JpegStream_ensureBuffer(req) { + if (this.bufferLength) { + return; + } + try { + var jpegImage = new JpegImage(); + + // checking if values needs to be transformed before conversion + if (this.forceRGB && this.dict && isArray(this.dict.get('Decode'))) { + var decodeArr = this.dict.get('Decode'); + var bitsPerComponent = this.dict.get('BitsPerComponent') || 8; + var decodeArrLength = decodeArr.length; + var transform = new Int32Array(decodeArrLength); + var transformNeeded = false; + var maxValue = (1 << bitsPerComponent) - 1; + for (var i = 0; i < decodeArrLength; i += 2) { + transform[i] = ((decodeArr[i + 1] - decodeArr[i]) * 256) | 0; + transform[i + 1] = (decodeArr[i] * maxValue) | 0; + if (transform[i] !== 256 || transform[i + 1] !== 0) { + transformNeeded = true; + } + } + if (transformNeeded) { + jpegImage.decodeTransform = transform; + } + } + + jpegImage.parse(this.bytes); + var data = jpegImage.getData(this.drawWidth, this.drawHeight, + this.forceRGB); + this.buffer = data; + this.bufferLength = data.length; + this.eof = true; + } catch (e) { + error('JPEG error: ' + e); + } + }; + + JpegStream.prototype.getBytes = function JpegStream_getBytes(length) { + this.ensureBuffer(); + return this.buffer; + }; + + JpegStream.prototype.getIR = function JpegStream_getIR() { + return PDFJS.createObjectURL(this.bytes, 'image/jpeg'); + }; + /** + * Checks if the image can be decoded and displayed by the browser without any + * further processing such as color space conversions. + */ + JpegStream.prototype.isNativelySupported = + function JpegStream_isNativelySupported(xref, res) { + var cs = ColorSpace.parse(this.dict.get('ColorSpace', 'CS'), xref, res); + return (cs.name === 'DeviceGray' || cs.name === 'DeviceRGB') && + cs.isDefaultDecode(this.dict.get('Decode', 'D')); + }; + /** + * Checks if the image can be decoded by the browser. + */ + JpegStream.prototype.isNativelyDecodable = + function JpegStream_isNativelyDecodable(xref, res) { + var cs = ColorSpace.parse(this.dict.get('ColorSpace', 'CS'), xref, res); + return (cs.numComps === 1 || cs.numComps === 3) && + cs.isDefaultDecode(this.dict.get('Decode', 'D')); + }; + + return JpegStream; +})(); + +/** + * For JPEG 2000's we use a library to decode these images and + * the stream behaves like all the other DecodeStreams. + */ +var JpxStream = (function JpxStreamClosure() { + function JpxStream(stream, maybeLength, dict) { + this.stream = stream; + this.maybeLength = maybeLength; + this.dict = dict; + + DecodeStream.call(this, maybeLength); + } + + JpxStream.prototype = Object.create(DecodeStream.prototype); + + Object.defineProperty(JpxStream.prototype, 'bytes', { + get: function JpxStream_bytes() { + // If this.maybeLength is null, we'll get the entire stream. + return shadow(this, 'bytes', this.stream.getBytes(this.maybeLength)); + }, + configurable: true + }); + + JpxStream.prototype.ensureBuffer = function JpxStream_ensureBuffer(req) { + if (this.bufferLength) { + return; + } + + var jpxImage = new JpxImage(); + jpxImage.parse(this.bytes); + + var width = jpxImage.width; + var height = jpxImage.height; + var componentsCount = jpxImage.componentsCount; + var tileCount = jpxImage.tiles.length; + if (tileCount === 1) { + this.buffer = jpxImage.tiles[0].items; + } else { + var data = new Uint8Array(width * height * componentsCount); + + for (var k = 0; k < tileCount; k++) { + var tileComponents = jpxImage.tiles[k]; + var tileWidth = tileComponents.width; + var tileHeight = tileComponents.height; + var tileLeft = tileComponents.left; + var tileTop = tileComponents.top; + + var src = tileComponents.items; + var srcPosition = 0; + var dataPosition = (width * tileTop + tileLeft) * componentsCount; + var imgRowSize = width * componentsCount; + var tileRowSize = tileWidth * componentsCount; + + for (var j = 0; j < tileHeight; j++) { + var rowBytes = src.subarray(srcPosition, srcPosition + tileRowSize); + data.set(rowBytes, dataPosition); + srcPosition += tileRowSize; + dataPosition += imgRowSize; + } + } + this.buffer = data; + } + this.bufferLength = this.buffer.length; + this.eof = true; + }; + + return JpxStream; +})(); + +/** + * For JBIG2's we use a library to decode these images and + * the stream behaves like all the other DecodeStreams. + */ +var Jbig2Stream = (function Jbig2StreamClosure() { + function Jbig2Stream(stream, maybeLength, dict) { + this.stream = stream; + this.maybeLength = maybeLength; + this.dict = dict; + + DecodeStream.call(this, maybeLength); + } + + Jbig2Stream.prototype = Object.create(DecodeStream.prototype); + + Object.defineProperty(Jbig2Stream.prototype, 'bytes', { + get: function Jbig2Stream_bytes() { + // If this.maybeLength is null, we'll get the entire stream. + return shadow(this, 'bytes', this.stream.getBytes(this.maybeLength)); + }, + configurable: true + }); + + Jbig2Stream.prototype.ensureBuffer = function Jbig2Stream_ensureBuffer(req) { + if (this.bufferLength) { + return; + } + + var jbig2Image = new Jbig2Image(); + + var chunks = [], xref = this.dict.xref; + var decodeParams = xref.fetchIfRef(this.dict.get('DecodeParms')); + + // According to the PDF specification, DecodeParms can be either + // a dictionary, or an array whose elements are dictionaries. + if (isArray(decodeParams)) { + if (decodeParams.length > 1) { + warn('JBIG2 - \'DecodeParms\' array with multiple elements ' + + 'not supported.'); + } + decodeParams = xref.fetchIfRef(decodeParams[0]); + } + if (decodeParams && decodeParams.has('JBIG2Globals')) { + var globalsStream = decodeParams.get('JBIG2Globals'); + var globals = globalsStream.getBytes(); + chunks.push({data: globals, start: 0, end: globals.length}); + } + chunks.push({data: this.bytes, start: 0, end: this.bytes.length}); + var data = jbig2Image.parseChunks(chunks); + var dataLength = data.length; + + // JBIG2 had black as 1 and white as 0, inverting the colors + for (var i = 0; i < dataLength; i++) { + data[i] ^= 0xFF; + } + + this.buffer = data; + this.bufferLength = dataLength; + this.eof = true; + }; + + return Jbig2Stream; +})(); + +var DecryptStream = (function DecryptStreamClosure() { + function DecryptStream(str, maybeLength, decrypt) { + this.str = str; + this.dict = str.dict; + this.decrypt = decrypt; + this.nextChunk = null; + this.initialized = false; + + DecodeStream.call(this, maybeLength); + } + + var chunkSize = 512; + + DecryptStream.prototype = Object.create(DecodeStream.prototype); + + DecryptStream.prototype.readBlock = function DecryptStream_readBlock() { + var chunk; + if (this.initialized) { + chunk = this.nextChunk; + } else { + chunk = this.str.getBytes(chunkSize); + this.initialized = true; + } + if (!chunk || chunk.length === 0) { + this.eof = true; + return; + } + this.nextChunk = this.str.getBytes(chunkSize); + var hasMoreData = this.nextChunk && this.nextChunk.length > 0; + + var decrypt = this.decrypt; + chunk = decrypt(chunk, !hasMoreData); + + var bufferLength = this.bufferLength; + var i, n = chunk.length; + var buffer = this.ensureBuffer(bufferLength + n); + for (i = 0; i < n; i++) { + buffer[bufferLength++] = chunk[i]; + } + this.bufferLength = bufferLength; + }; + + return DecryptStream; +})(); + +var Ascii85Stream = (function Ascii85StreamClosure() { + function Ascii85Stream(str, maybeLength) { + this.str = str; + this.dict = str.dict; + this.input = new Uint8Array(5); + + // Most streams increase in size when decoded, but Ascii85 streams + // typically shrink by ~20%. + if (maybeLength) { + maybeLength = 0.8 * maybeLength; + } + DecodeStream.call(this, maybeLength); + } + + Ascii85Stream.prototype = Object.create(DecodeStream.prototype); + + Ascii85Stream.prototype.readBlock = function Ascii85Stream_readBlock() { + var TILDA_CHAR = 0x7E; // '~' + var Z_LOWER_CHAR = 0x7A; // 'z' + var EOF = -1; + + var str = this.str; + + var c = str.getByte(); + while (Lexer.isSpace(c)) { + c = str.getByte(); + } + + if (c === EOF || c === TILDA_CHAR) { + this.eof = true; + return; + } + + var bufferLength = this.bufferLength, buffer; + var i; + + // special code for z + if (c === Z_LOWER_CHAR) { + buffer = this.ensureBuffer(bufferLength + 4); + for (i = 0; i < 4; ++i) { + buffer[bufferLength + i] = 0; + } + this.bufferLength += 4; + } else { + var input = this.input; + input[0] = c; + for (i = 1; i < 5; ++i) { + c = str.getByte(); + while (Lexer.isSpace(c)) { + c = str.getByte(); + } + + input[i] = c; + + if (c === EOF || c === TILDA_CHAR) { + break; + } + } + buffer = this.ensureBuffer(bufferLength + i - 1); + this.bufferLength += i - 1; + + // partial ending; + if (i < 5) { + for (; i < 5; ++i) { + input[i] = 0x21 + 84; + } + this.eof = true; + } + var t = 0; + for (i = 0; i < 5; ++i) { + t = t * 85 + (input[i] - 0x21); + } + + for (i = 3; i >= 0; --i) { + buffer[bufferLength + i] = t & 0xFF; + t >>= 8; + } + } + }; + + return Ascii85Stream; +})(); + +var AsciiHexStream = (function AsciiHexStreamClosure() { + function AsciiHexStream(str, maybeLength) { + this.str = str; + this.dict = str.dict; + + this.firstDigit = -1; + + // Most streams increase in size when decoded, but AsciiHex streams shrink + // by 50%. + if (maybeLength) { + maybeLength = 0.5 * maybeLength; + } + DecodeStream.call(this, maybeLength); + } + + AsciiHexStream.prototype = Object.create(DecodeStream.prototype); + + AsciiHexStream.prototype.readBlock = function AsciiHexStream_readBlock() { + var UPSTREAM_BLOCK_SIZE = 8000; + var bytes = this.str.getBytes(UPSTREAM_BLOCK_SIZE); + if (!bytes.length) { + this.eof = true; + return; + } + + var maxDecodeLength = (bytes.length + 1) >> 1; + var buffer = this.ensureBuffer(this.bufferLength + maxDecodeLength); + var bufferLength = this.bufferLength; + + var firstDigit = this.firstDigit; + for (var i = 0, ii = bytes.length; i < ii; i++) { + var ch = bytes[i], digit; + if (ch >= 0x30 && ch <= 0x39) { // '0'-'9' + digit = ch & 0x0F; + } else if ((ch >= 0x41 && ch <= 0x46) || (ch >= 0x61 && ch <= 0x66)) { + // 'A'-'Z', 'a'-'z' + digit = (ch & 0x0F) + 9; + } else if (ch === 0x3E) { // '>' + this.eof = true; + break; + } else { // probably whitespace + continue; // ignoring + } + if (firstDigit < 0) { + firstDigit = digit; + } else { + buffer[bufferLength++] = (firstDigit << 4) | digit; + firstDigit = -1; + } + } + if (firstDigit >= 0 && this.eof) { + // incomplete byte + buffer[bufferLength++] = (firstDigit << 4); + firstDigit = -1; + } + this.firstDigit = firstDigit; + this.bufferLength = bufferLength; + }; + + return AsciiHexStream; +})(); + +var RunLengthStream = (function RunLengthStreamClosure() { + function RunLengthStream(str, maybeLength) { + this.str = str; + this.dict = str.dict; + + DecodeStream.call(this, maybeLength); + } + + RunLengthStream.prototype = Object.create(DecodeStream.prototype); + + RunLengthStream.prototype.readBlock = function RunLengthStream_readBlock() { + // The repeatHeader has following format. The first byte defines type of run + // and amount of bytes to repeat/copy: n = 0 through 127 - copy next n bytes + // (in addition to the second byte from the header), n = 129 through 255 - + // duplicate the second byte from the header (257 - n) times, n = 128 - end. + var repeatHeader = this.str.getBytes(2); + if (!repeatHeader || repeatHeader.length < 2 || repeatHeader[0] === 128) { + this.eof = true; + return; + } + + var buffer; + var bufferLength = this.bufferLength; + var n = repeatHeader[0]; + if (n < 128) { + // copy n bytes + buffer = this.ensureBuffer(bufferLength + n + 1); + buffer[bufferLength++] = repeatHeader[1]; + if (n > 0) { + var source = this.str.getBytes(n); + buffer.set(source, bufferLength); + bufferLength += n; + } + } else { + n = 257 - n; + var b = repeatHeader[1]; + buffer = this.ensureBuffer(bufferLength + n + 1); + for (var i = 0; i < n; i++) { + buffer[bufferLength++] = b; + } + } + this.bufferLength = bufferLength; + }; + + return RunLengthStream; +})(); + +var CCITTFaxStream = (function CCITTFaxStreamClosure() { + + var ccittEOL = -2; + var twoDimPass = 0; + var twoDimHoriz = 1; + var twoDimVert0 = 2; + var twoDimVertR1 = 3; + var twoDimVertL1 = 4; + var twoDimVertR2 = 5; + var twoDimVertL2 = 6; + var twoDimVertR3 = 7; + var twoDimVertL3 = 8; + + var twoDimTable = [ + [-1, -1], [-1, -1], // 000000x + [7, twoDimVertL3], // 0000010 + [7, twoDimVertR3], // 0000011 + [6, twoDimVertL2], [6, twoDimVertL2], // 000010x + [6, twoDimVertR2], [6, twoDimVertR2], // 000011x + [4, twoDimPass], [4, twoDimPass], // 0001xxx + [4, twoDimPass], [4, twoDimPass], + [4, twoDimPass], [4, twoDimPass], + [4, twoDimPass], [4, twoDimPass], + [3, twoDimHoriz], [3, twoDimHoriz], // 001xxxx + [3, twoDimHoriz], [3, twoDimHoriz], + [3, twoDimHoriz], [3, twoDimHoriz], + [3, twoDimHoriz], [3, twoDimHoriz], + [3, twoDimHoriz], [3, twoDimHoriz], + [3, twoDimHoriz], [3, twoDimHoriz], + [3, twoDimHoriz], [3, twoDimHoriz], + [3, twoDimHoriz], [3, twoDimHoriz], + [3, twoDimVertL1], [3, twoDimVertL1], // 010xxxx + [3, twoDimVertL1], [3, twoDimVertL1], + [3, twoDimVertL1], [3, twoDimVertL1], + [3, twoDimVertL1], [3, twoDimVertL1], + [3, twoDimVertL1], [3, twoDimVertL1], + [3, twoDimVertL1], [3, twoDimVertL1], + [3, twoDimVertL1], [3, twoDimVertL1], + [3, twoDimVertL1], [3, twoDimVertL1], + [3, twoDimVertR1], [3, twoDimVertR1], // 011xxxx + [3, twoDimVertR1], [3, twoDimVertR1], + [3, twoDimVertR1], [3, twoDimVertR1], + [3, twoDimVertR1], [3, twoDimVertR1], + [3, twoDimVertR1], [3, twoDimVertR1], + [3, twoDimVertR1], [3, twoDimVertR1], + [3, twoDimVertR1], [3, twoDimVertR1], + [3, twoDimVertR1], [3, twoDimVertR1], + [1, twoDimVert0], [1, twoDimVert0], // 1xxxxxx + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0] + ]; + + var whiteTable1 = [ + [-1, -1], // 00000 + [12, ccittEOL], // 00001 + [-1, -1], [-1, -1], // 0001x + [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 001xx + [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 010xx + [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 011xx + [11, 1792], [11, 1792], // 1000x + [12, 1984], // 10010 + [12, 2048], // 10011 + [12, 2112], // 10100 + [12, 2176], // 10101 + [12, 2240], // 10110 + [12, 2304], // 10111 + [11, 1856], [11, 1856], // 1100x + [11, 1920], [11, 1920], // 1101x + [12, 2368], // 11100 + [12, 2432], // 11101 + [12, 2496], // 11110 + [12, 2560] // 11111 + ]; + + var whiteTable2 = [ + [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 0000000xx + [8, 29], [8, 29], // 00000010x + [8, 30], [8, 30], // 00000011x + [8, 45], [8, 45], // 00000100x + [8, 46], [8, 46], // 00000101x + [7, 22], [7, 22], [7, 22], [7, 22], // 0000011xx + [7, 23], [7, 23], [7, 23], [7, 23], // 0000100xx + [8, 47], [8, 47], // 00001010x + [8, 48], [8, 48], // 00001011x + [6, 13], [6, 13], [6, 13], [6, 13], // 000011xxx + [6, 13], [6, 13], [6, 13], [6, 13], + [7, 20], [7, 20], [7, 20], [7, 20], // 0001000xx + [8, 33], [8, 33], // 00010010x + [8, 34], [8, 34], // 00010011x + [8, 35], [8, 35], // 00010100x + [8, 36], [8, 36], // 00010101x + [8, 37], [8, 37], // 00010110x + [8, 38], [8, 38], // 00010111x + [7, 19], [7, 19], [7, 19], [7, 19], // 0001100xx + [8, 31], [8, 31], // 00011010x + [8, 32], [8, 32], // 00011011x + [6, 1], [6, 1], [6, 1], [6, 1], // 000111xxx + [6, 1], [6, 1], [6, 1], [6, 1], + [6, 12], [6, 12], [6, 12], [6, 12], // 001000xxx + [6, 12], [6, 12], [6, 12], [6, 12], + [8, 53], [8, 53], // 00100100x + [8, 54], [8, 54], // 00100101x + [7, 26], [7, 26], [7, 26], [7, 26], // 0010011xx + [8, 39], [8, 39], // 00101000x + [8, 40], [8, 40], // 00101001x + [8, 41], [8, 41], // 00101010x + [8, 42], [8, 42], // 00101011x + [8, 43], [8, 43], // 00101100x + [8, 44], [8, 44], // 00101101x + [7, 21], [7, 21], [7, 21], [7, 21], // 0010111xx + [7, 28], [7, 28], [7, 28], [7, 28], // 0011000xx + [8, 61], [8, 61], // 00110010x + [8, 62], [8, 62], // 00110011x + [8, 63], [8, 63], // 00110100x + [8, 0], [8, 0], // 00110101x + [8, 320], [8, 320], // 00110110x + [8, 384], [8, 384], // 00110111x + [5, 10], [5, 10], [5, 10], [5, 10], // 00111xxxx + [5, 10], [5, 10], [5, 10], [5, 10], + [5, 10], [5, 10], [5, 10], [5, 10], + [5, 10], [5, 10], [5, 10], [5, 10], + [5, 11], [5, 11], [5, 11], [5, 11], // 01000xxxx + [5, 11], [5, 11], [5, 11], [5, 11], + [5, 11], [5, 11], [5, 11], [5, 11], + [5, 11], [5, 11], [5, 11], [5, 11], + [7, 27], [7, 27], [7, 27], [7, 27], // 0100100xx + [8, 59], [8, 59], // 01001010x + [8, 60], [8, 60], // 01001011x + [9, 1472], // 010011000 + [9, 1536], // 010011001 + [9, 1600], // 010011010 + [9, 1728], // 010011011 + [7, 18], [7, 18], [7, 18], [7, 18], // 0100111xx + [7, 24], [7, 24], [7, 24], [7, 24], // 0101000xx + [8, 49], [8, 49], // 01010010x + [8, 50], [8, 50], // 01010011x + [8, 51], [8, 51], // 01010100x + [8, 52], [8, 52], // 01010101x + [7, 25], [7, 25], [7, 25], [7, 25], // 0101011xx + [8, 55], [8, 55], // 01011000x + [8, 56], [8, 56], // 01011001x + [8, 57], [8, 57], // 01011010x + [8, 58], [8, 58], // 01011011x + [6, 192], [6, 192], [6, 192], [6, 192], // 010111xxx + [6, 192], [6, 192], [6, 192], [6, 192], + [6, 1664], [6, 1664], [6, 1664], [6, 1664], // 011000xxx + [6, 1664], [6, 1664], [6, 1664], [6, 1664], + [8, 448], [8, 448], // 01100100x + [8, 512], [8, 512], // 01100101x + [9, 704], // 011001100 + [9, 768], // 011001101 + [8, 640], [8, 640], // 01100111x + [8, 576], [8, 576], // 01101000x + [9, 832], // 011010010 + [9, 896], // 011010011 + [9, 960], // 011010100 + [9, 1024], // 011010101 + [9, 1088], // 011010110 + [9, 1152], // 011010111 + [9, 1216], // 011011000 + [9, 1280], // 011011001 + [9, 1344], // 011011010 + [9, 1408], // 011011011 + [7, 256], [7, 256], [7, 256], [7, 256], // 0110111xx + [4, 2], [4, 2], [4, 2], [4, 2], // 0111xxxxx + [4, 2], [4, 2], [4, 2], [4, 2], + [4, 2], [4, 2], [4, 2], [4, 2], + [4, 2], [4, 2], [4, 2], [4, 2], + [4, 2], [4, 2], [4, 2], [4, 2], + [4, 2], [4, 2], [4, 2], [4, 2], + [4, 2], [4, 2], [4, 2], [4, 2], + [4, 2], [4, 2], [4, 2], [4, 2], + [4, 3], [4, 3], [4, 3], [4, 3], // 1000xxxxx + [4, 3], [4, 3], [4, 3], [4, 3], + [4, 3], [4, 3], [4, 3], [4, 3], + [4, 3], [4, 3], [4, 3], [4, 3], + [4, 3], [4, 3], [4, 3], [4, 3], + [4, 3], [4, 3], [4, 3], [4, 3], + [4, 3], [4, 3], [4, 3], [4, 3], + [4, 3], [4, 3], [4, 3], [4, 3], + [5, 128], [5, 128], [5, 128], [5, 128], // 10010xxxx + [5, 128], [5, 128], [5, 128], [5, 128], + [5, 128], [5, 128], [5, 128], [5, 128], + [5, 128], [5, 128], [5, 128], [5, 128], + [5, 8], [5, 8], [5, 8], [5, 8], // 10011xxxx + [5, 8], [5, 8], [5, 8], [5, 8], + [5, 8], [5, 8], [5, 8], [5, 8], + [5, 8], [5, 8], [5, 8], [5, 8], + [5, 9], [5, 9], [5, 9], [5, 9], // 10100xxxx + [5, 9], [5, 9], [5, 9], [5, 9], + [5, 9], [5, 9], [5, 9], [5, 9], + [5, 9], [5, 9], [5, 9], [5, 9], + [6, 16], [6, 16], [6, 16], [6, 16], // 101010xxx + [6, 16], [6, 16], [6, 16], [6, 16], + [6, 17], [6, 17], [6, 17], [6, 17], // 101011xxx + [6, 17], [6, 17], [6, 17], [6, 17], + [4, 4], [4, 4], [4, 4], [4, 4], // 1011xxxxx + [4, 4], [4, 4], [4, 4], [4, 4], + [4, 4], [4, 4], [4, 4], [4, 4], + [4, 4], [4, 4], [4, 4], [4, 4], + [4, 4], [4, 4], [4, 4], [4, 4], + [4, 4], [4, 4], [4, 4], [4, 4], + [4, 4], [4, 4], [4, 4], [4, 4], + [4, 4], [4, 4], [4, 4], [4, 4], + [4, 5], [4, 5], [4, 5], [4, 5], // 1100xxxxx + [4, 5], [4, 5], [4, 5], [4, 5], + [4, 5], [4, 5], [4, 5], [4, 5], + [4, 5], [4, 5], [4, 5], [4, 5], + [4, 5], [4, 5], [4, 5], [4, 5], + [4, 5], [4, 5], [4, 5], [4, 5], + [4, 5], [4, 5], [4, 5], [4, 5], + [4, 5], [4, 5], [4, 5], [4, 5], + [6, 14], [6, 14], [6, 14], [6, 14], // 110100xxx + [6, 14], [6, 14], [6, 14], [6, 14], + [6, 15], [6, 15], [6, 15], [6, 15], // 110101xxx + [6, 15], [6, 15], [6, 15], [6, 15], + [5, 64], [5, 64], [5, 64], [5, 64], // 11011xxxx + [5, 64], [5, 64], [5, 64], [5, 64], + [5, 64], [5, 64], [5, 64], [5, 64], + [5, 64], [5, 64], [5, 64], [5, 64], + [4, 6], [4, 6], [4, 6], [4, 6], // 1110xxxxx + [4, 6], [4, 6], [4, 6], [4, 6], + [4, 6], [4, 6], [4, 6], [4, 6], + [4, 6], [4, 6], [4, 6], [4, 6], + [4, 6], [4, 6], [4, 6], [4, 6], + [4, 6], [4, 6], [4, 6], [4, 6], + [4, 6], [4, 6], [4, 6], [4, 6], + [4, 6], [4, 6], [4, 6], [4, 6], + [4, 7], [4, 7], [4, 7], [4, 7], // 1111xxxxx + [4, 7], [4, 7], [4, 7], [4, 7], + [4, 7], [4, 7], [4, 7], [4, 7], + [4, 7], [4, 7], [4, 7], [4, 7], + [4, 7], [4, 7], [4, 7], [4, 7], + [4, 7], [4, 7], [4, 7], [4, 7], + [4, 7], [4, 7], [4, 7], [4, 7], + [4, 7], [4, 7], [4, 7], [4, 7] + ]; + + var blackTable1 = [ + [-1, -1], [-1, -1], // 000000000000x + [12, ccittEOL], [12, ccittEOL], // 000000000001x + [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 00000000001xx + [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 00000000010xx + [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 00000000011xx + [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 00000000100xx + [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 00000000101xx + [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 00000000110xx + [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 00000000111xx + [11, 1792], [11, 1792], [11, 1792], [11, 1792], // 00000001000xx + [12, 1984], [12, 1984], // 000000010010x + [12, 2048], [12, 2048], // 000000010011x + [12, 2112], [12, 2112], // 000000010100x + [12, 2176], [12, 2176], // 000000010101x + [12, 2240], [12, 2240], // 000000010110x + [12, 2304], [12, 2304], // 000000010111x + [11, 1856], [11, 1856], [11, 1856], [11, 1856], // 00000001100xx + [11, 1920], [11, 1920], [11, 1920], [11, 1920], // 00000001101xx + [12, 2368], [12, 2368], // 000000011100x + [12, 2432], [12, 2432], // 000000011101x + [12, 2496], [12, 2496], // 000000011110x + [12, 2560], [12, 2560], // 000000011111x + [10, 18], [10, 18], [10, 18], [10, 18], // 0000001000xxx + [10, 18], [10, 18], [10, 18], [10, 18], + [12, 52], [12, 52], // 000000100100x + [13, 640], // 0000001001010 + [13, 704], // 0000001001011 + [13, 768], // 0000001001100 + [13, 832], // 0000001001101 + [12, 55], [12, 55], // 000000100111x + [12, 56], [12, 56], // 000000101000x + [13, 1280], // 0000001010010 + [13, 1344], // 0000001010011 + [13, 1408], // 0000001010100 + [13, 1472], // 0000001010101 + [12, 59], [12, 59], // 000000101011x + [12, 60], [12, 60], // 000000101100x + [13, 1536], // 0000001011010 + [13, 1600], // 0000001011011 + [11, 24], [11, 24], [11, 24], [11, 24], // 00000010111xx + [11, 25], [11, 25], [11, 25], [11, 25], // 00000011000xx + [13, 1664], // 0000001100100 + [13, 1728], // 0000001100101 + [12, 320], [12, 320], // 000000110011x + [12, 384], [12, 384], // 000000110100x + [12, 448], [12, 448], // 000000110101x + [13, 512], // 0000001101100 + [13, 576], // 0000001101101 + [12, 53], [12, 53], // 000000110111x + [12, 54], [12, 54], // 000000111000x + [13, 896], // 0000001110010 + [13, 960], // 0000001110011 + [13, 1024], // 0000001110100 + [13, 1088], // 0000001110101 + [13, 1152], // 0000001110110 + [13, 1216], // 0000001110111 + [10, 64], [10, 64], [10, 64], [10, 64], // 0000001111xxx + [10, 64], [10, 64], [10, 64], [10, 64] + ]; + + var blackTable2 = [ + [8, 13], [8, 13], [8, 13], [8, 13], // 00000100xxxx + [8, 13], [8, 13], [8, 13], [8, 13], + [8, 13], [8, 13], [8, 13], [8, 13], + [8, 13], [8, 13], [8, 13], [8, 13], + [11, 23], [11, 23], // 00000101000x + [12, 50], // 000001010010 + [12, 51], // 000001010011 + [12, 44], // 000001010100 + [12, 45], // 000001010101 + [12, 46], // 000001010110 + [12, 47], // 000001010111 + [12, 57], // 000001011000 + [12, 58], // 000001011001 + [12, 61], // 000001011010 + [12, 256], // 000001011011 + [10, 16], [10, 16], [10, 16], [10, 16], // 0000010111xx + [10, 17], [10, 17], [10, 17], [10, 17], // 0000011000xx + [12, 48], // 000001100100 + [12, 49], // 000001100101 + [12, 62], // 000001100110 + [12, 63], // 000001100111 + [12, 30], // 000001101000 + [12, 31], // 000001101001 + [12, 32], // 000001101010 + [12, 33], // 000001101011 + [12, 40], // 000001101100 + [12, 41], // 000001101101 + [11, 22], [11, 22], // 00000110111x + [8, 14], [8, 14], [8, 14], [8, 14], // 00000111xxxx + [8, 14], [8, 14], [8, 14], [8, 14], + [8, 14], [8, 14], [8, 14], [8, 14], + [8, 14], [8, 14], [8, 14], [8, 14], + [7, 10], [7, 10], [7, 10], [7, 10], // 0000100xxxxx + [7, 10], [7, 10], [7, 10], [7, 10], + [7, 10], [7, 10], [7, 10], [7, 10], + [7, 10], [7, 10], [7, 10], [7, 10], + [7, 10], [7, 10], [7, 10], [7, 10], + [7, 10], [7, 10], [7, 10], [7, 10], + [7, 10], [7, 10], [7, 10], [7, 10], + [7, 10], [7, 10], [7, 10], [7, 10], + [7, 11], [7, 11], [7, 11], [7, 11], // 0000101xxxxx + [7, 11], [7, 11], [7, 11], [7, 11], + [7, 11], [7, 11], [7, 11], [7, 11], + [7, 11], [7, 11], [7, 11], [7, 11], + [7, 11], [7, 11], [7, 11], [7, 11], + [7, 11], [7, 11], [7, 11], [7, 11], + [7, 11], [7, 11], [7, 11], [7, 11], + [7, 11], [7, 11], [7, 11], [7, 11], + [9, 15], [9, 15], [9, 15], [9, 15], // 000011000xxx + [9, 15], [9, 15], [9, 15], [9, 15], + [12, 128], // 000011001000 + [12, 192], // 000011001001 + [12, 26], // 000011001010 + [12, 27], // 000011001011 + [12, 28], // 000011001100 + [12, 29], // 000011001101 + [11, 19], [11, 19], // 00001100111x + [11, 20], [11, 20], // 00001101000x + [12, 34], // 000011010010 + [12, 35], // 000011010011 + [12, 36], // 000011010100 + [12, 37], // 000011010101 + [12, 38], // 000011010110 + [12, 39], // 000011010111 + [11, 21], [11, 21], // 00001101100x + [12, 42], // 000011011010 + [12, 43], // 000011011011 + [10, 0], [10, 0], [10, 0], [10, 0], // 0000110111xx + [7, 12], [7, 12], [7, 12], [7, 12], // 0000111xxxxx + [7, 12], [7, 12], [7, 12], [7, 12], + [7, 12], [7, 12], [7, 12], [7, 12], + [7, 12], [7, 12], [7, 12], [7, 12], + [7, 12], [7, 12], [7, 12], [7, 12], + [7, 12], [7, 12], [7, 12], [7, 12], + [7, 12], [7, 12], [7, 12], [7, 12], + [7, 12], [7, 12], [7, 12], [7, 12] + ]; + + var blackTable3 = [ + [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 0000xx + [6, 9], // 000100 + [6, 8], // 000101 + [5, 7], [5, 7], // 00011x + [4, 6], [4, 6], [4, 6], [4, 6], // 0010xx + [4, 5], [4, 5], [4, 5], [4, 5], // 0011xx + [3, 1], [3, 1], [3, 1], [3, 1], // 010xxx + [3, 1], [3, 1], [3, 1], [3, 1], + [3, 4], [3, 4], [3, 4], [3, 4], // 011xxx + [3, 4], [3, 4], [3, 4], [3, 4], + [2, 3], [2, 3], [2, 3], [2, 3], // 10xxxx + [2, 3], [2, 3], [2, 3], [2, 3], + [2, 3], [2, 3], [2, 3], [2, 3], + [2, 3], [2, 3], [2, 3], [2, 3], + [2, 2], [2, 2], [2, 2], [2, 2], // 11xxxx + [2, 2], [2, 2], [2, 2], [2, 2], + [2, 2], [2, 2], [2, 2], [2, 2], + [2, 2], [2, 2], [2, 2], [2, 2] + ]; + + function CCITTFaxStream(str, maybeLength, params) { + this.str = str; + this.dict = str.dict; + + params = params || Dict.empty; + + this.encoding = params.get('K') || 0; + this.eoline = params.get('EndOfLine') || false; + this.byteAlign = params.get('EncodedByteAlign') || false; + this.columns = params.get('Columns') || 1728; + this.rows = params.get('Rows') || 0; + var eoblock = params.get('EndOfBlock'); + if (eoblock === null || eoblock === undefined) { + eoblock = true; + } + this.eoblock = eoblock; + this.black = params.get('BlackIs1') || false; + + this.codingLine = new Uint32Array(this.columns + 1); + this.refLine = new Uint32Array(this.columns + 2); + + this.codingLine[0] = this.columns; + this.codingPos = 0; + + this.row = 0; + this.nextLine2D = this.encoding < 0; + this.inputBits = 0; + this.inputBuf = 0; + this.outputBits = 0; + + var code1; + while ((code1 = this.lookBits(12)) === 0) { + this.eatBits(1); + } + if (code1 === 1) { + this.eatBits(12); + } + if (this.encoding > 0) { + this.nextLine2D = !this.lookBits(1); + this.eatBits(1); + } + + DecodeStream.call(this, maybeLength); + } + + CCITTFaxStream.prototype = Object.create(DecodeStream.prototype); + + CCITTFaxStream.prototype.readBlock = function CCITTFaxStream_readBlock() { + while (!this.eof) { + var c = this.lookChar(); + this.ensureBuffer(this.bufferLength + 1); + this.buffer[this.bufferLength++] = c; + } + }; + + CCITTFaxStream.prototype.addPixels = + function ccittFaxStreamAddPixels(a1, blackPixels) { + var codingLine = this.codingLine; + var codingPos = this.codingPos; + + if (a1 > codingLine[codingPos]) { + if (a1 > this.columns) { + info('row is wrong length'); + this.err = true; + a1 = this.columns; + } + if ((codingPos & 1) ^ blackPixels) { + ++codingPos; + } + + codingLine[codingPos] = a1; + } + this.codingPos = codingPos; + }; + + CCITTFaxStream.prototype.addPixelsNeg = + function ccittFaxStreamAddPixelsNeg(a1, blackPixels) { + var codingLine = this.codingLine; + var codingPos = this.codingPos; + + if (a1 > codingLine[codingPos]) { + if (a1 > this.columns) { + info('row is wrong length'); + this.err = true; + a1 = this.columns; + } + if ((codingPos & 1) ^ blackPixels) { + ++codingPos; + } + + codingLine[codingPos] = a1; + } else if (a1 < codingLine[codingPos]) { + if (a1 < 0) { + info('invalid code'); + this.err = true; + a1 = 0; + } + while (codingPos > 0 && a1 < codingLine[codingPos - 1]) { + --codingPos; + } + codingLine[codingPos] = a1; + } + + this.codingPos = codingPos; + }; + + CCITTFaxStream.prototype.lookChar = function CCITTFaxStream_lookChar() { + var refLine = this.refLine; + var codingLine = this.codingLine; + var columns = this.columns; + + var refPos, blackPixels, bits, i; + + if (this.outputBits === 0) { + if (this.eof) { + return null; + } + this.err = false; + + var code1, code2, code3; + if (this.nextLine2D) { + for (i = 0; codingLine[i] < columns; ++i) { + refLine[i] = codingLine[i]; + } + refLine[i++] = columns; + refLine[i] = columns; + codingLine[0] = 0; + this.codingPos = 0; + refPos = 0; + blackPixels = 0; + + while (codingLine[this.codingPos] < columns) { + code1 = this.getTwoDimCode(); + switch (code1) { + case twoDimPass: + this.addPixels(refLine[refPos + 1], blackPixels); + if (refLine[refPos + 1] < columns) { + refPos += 2; + } + break; + case twoDimHoriz: + code1 = code2 = 0; + if (blackPixels) { + do { + code1 += (code3 = this.getBlackCode()); + } while (code3 >= 64); + do { + code2 += (code3 = this.getWhiteCode()); + } while (code3 >= 64); + } else { + do { + code1 += (code3 = this.getWhiteCode()); + } while (code3 >= 64); + do { + code2 += (code3 = this.getBlackCode()); + } while (code3 >= 64); + } + this.addPixels(codingLine[this.codingPos] + + code1, blackPixels); + if (codingLine[this.codingPos] < columns) { + this.addPixels(codingLine[this.codingPos] + code2, + blackPixels ^ 1); + } + while (refLine[refPos] <= codingLine[this.codingPos] && + refLine[refPos] < columns) { + refPos += 2; + } + break; + case twoDimVertR3: + this.addPixels(refLine[refPos] + 3, blackPixels); + blackPixels ^= 1; + if (codingLine[this.codingPos] < columns) { + ++refPos; + while (refLine[refPos] <= codingLine[this.codingPos] && + refLine[refPos] < columns) { + refPos += 2; + } + } + break; + case twoDimVertR2: + this.addPixels(refLine[refPos] + 2, blackPixels); + blackPixels ^= 1; + if (codingLine[this.codingPos] < columns) { + ++refPos; + while (refLine[refPos] <= codingLine[this.codingPos] && + refLine[refPos] < columns) { + refPos += 2; + } + } + break; + case twoDimVertR1: + this.addPixels(refLine[refPos] + 1, blackPixels); + blackPixels ^= 1; + if (codingLine[this.codingPos] < columns) { + ++refPos; + while (refLine[refPos] <= codingLine[this.codingPos] && + refLine[refPos] < columns) { + refPos += 2; + } + } + break; + case twoDimVert0: + this.addPixels(refLine[refPos], blackPixels); + blackPixels ^= 1; + if (codingLine[this.codingPos] < columns) { + ++refPos; + while (refLine[refPos] <= codingLine[this.codingPos] && + refLine[refPos] < columns) { + refPos += 2; + } + } + break; + case twoDimVertL3: + this.addPixelsNeg(refLine[refPos] - 3, blackPixels); + blackPixels ^= 1; + if (codingLine[this.codingPos] < columns) { + if (refPos > 0) { + --refPos; + } else { + ++refPos; + } + while (refLine[refPos] <= codingLine[this.codingPos] && + refLine[refPos] < columns) { + refPos += 2; + } + } + break; + case twoDimVertL2: + this.addPixelsNeg(refLine[refPos] - 2, blackPixels); + blackPixels ^= 1; + if (codingLine[this.codingPos] < columns) { + if (refPos > 0) { + --refPos; + } else { + ++refPos; + } + while (refLine[refPos] <= codingLine[this.codingPos] && + refLine[refPos] < columns) { + refPos += 2; + } + } + break; + case twoDimVertL1: + this.addPixelsNeg(refLine[refPos] - 1, blackPixels); + blackPixels ^= 1; + if (codingLine[this.codingPos] < columns) { + if (refPos > 0) { + --refPos; + } else { + ++refPos; + } + while (refLine[refPos] <= codingLine[this.codingPos] && + refLine[refPos] < columns) { + refPos += 2; + } + } + break; + case EOF: + this.addPixels(columns, 0); + this.eof = true; + break; + default: + info('bad 2d code'); + this.addPixels(columns, 0); + this.err = true; + } + } + } else { + codingLine[0] = 0; + this.codingPos = 0; + blackPixels = 0; + while (codingLine[this.codingPos] < columns) { + code1 = 0; + if (blackPixels) { + do { + code1 += (code3 = this.getBlackCode()); + } while (code3 >= 64); + } else { + do { + code1 += (code3 = this.getWhiteCode()); + } while (code3 >= 64); + } + this.addPixels(codingLine[this.codingPos] + code1, blackPixels); + blackPixels ^= 1; + } + } + + var gotEOL = false; + + if (this.byteAlign) { + this.inputBits &= ~7; + } + + if (!this.eoblock && this.row === this.rows - 1) { + this.eof = true; + } else { + code1 = this.lookBits(12); + if (this.eoline) { + while (code1 !== EOF && code1 !== 1) { + this.eatBits(1); + code1 = this.lookBits(12); + } + } else { + while (code1 === 0) { + this.eatBits(1); + code1 = this.lookBits(12); + } + } + if (code1 === 1) { + this.eatBits(12); + gotEOL = true; + } else if (code1 === EOF) { + this.eof = true; + } + } + + if (!this.eof && this.encoding > 0) { + this.nextLine2D = !this.lookBits(1); + this.eatBits(1); + } + + if (this.eoblock && gotEOL && this.byteAlign) { + code1 = this.lookBits(12); + if (code1 === 1) { + this.eatBits(12); + if (this.encoding > 0) { + this.lookBits(1); + this.eatBits(1); + } + if (this.encoding >= 0) { + for (i = 0; i < 4; ++i) { + code1 = this.lookBits(12); + if (code1 !== 1) { + info('bad rtc code: ' + code1); + } + this.eatBits(12); + if (this.encoding > 0) { + this.lookBits(1); + this.eatBits(1); + } + } + } + this.eof = true; + } + } else if (this.err && this.eoline) { + while (true) { + code1 = this.lookBits(13); + if (code1 === EOF) { + this.eof = true; + return null; + } + if ((code1 >> 1) === 1) { + break; + } + this.eatBits(1); + } + this.eatBits(12); + if (this.encoding > 0) { + this.eatBits(1); + this.nextLine2D = !(code1 & 1); + } + } + + if (codingLine[0] > 0) { + this.outputBits = codingLine[this.codingPos = 0]; + } else { + this.outputBits = codingLine[this.codingPos = 1]; + } + this.row++; + } + + var c; + if (this.outputBits >= 8) { + c = (this.codingPos & 1) ? 0 : 0xFF; + this.outputBits -= 8; + if (this.outputBits === 0 && codingLine[this.codingPos] < columns) { + this.codingPos++; + this.outputBits = (codingLine[this.codingPos] - + codingLine[this.codingPos - 1]); + } + } else { + bits = 8; + c = 0; + do { + if (this.outputBits > bits) { + c <<= bits; + if (!(this.codingPos & 1)) { + c |= 0xFF >> (8 - bits); + } + this.outputBits -= bits; + bits = 0; + } else { + c <<= this.outputBits; + if (!(this.codingPos & 1)) { + c |= 0xFF >> (8 - this.outputBits); + } + bits -= this.outputBits; + this.outputBits = 0; + if (codingLine[this.codingPos] < columns) { + this.codingPos++; + this.outputBits = (codingLine[this.codingPos] - + codingLine[this.codingPos - 1]); + } else if (bits > 0) { + c <<= bits; + bits = 0; + } + } + } while (bits); + } + if (this.black) { + c ^= 0xFF; + } + return c; + }; + + // This functions returns the code found from the table. + // The start and end parameters set the boundaries for searching the table. + // The limit parameter is optional. Function returns an array with three + // values. The first array element indicates whether a valid code is being + // returned. The second array element is the actual code. The third array + // element indicates whether EOF was reached. + CCITTFaxStream.prototype.findTableCode = + function ccittFaxStreamFindTableCode(start, end, table, limit) { + + var limitValue = limit || 0; + for (var i = start; i <= end; ++i) { + var code = this.lookBits(i); + if (code === EOF) { + return [true, 1, false]; + } + if (i < end) { + code <<= end - i; + } + if (!limitValue || code >= limitValue) { + var p = table[code - limitValue]; + if (p[0] === i) { + this.eatBits(i); + return [true, p[1], true]; + } + } + } + return [false, 0, false]; + }; + + CCITTFaxStream.prototype.getTwoDimCode = + function ccittFaxStreamGetTwoDimCode() { + + var code = 0; + var p; + if (this.eoblock) { + code = this.lookBits(7); + p = twoDimTable[code]; + if (p && p[0] > 0) { + this.eatBits(p[0]); + return p[1]; + } + } else { + var result = this.findTableCode(1, 7, twoDimTable); + if (result[0] && result[2]) { + return result[1]; + } + } + info('Bad two dim code'); + return EOF; + }; + + CCITTFaxStream.prototype.getWhiteCode = + function ccittFaxStreamGetWhiteCode() { + + var code = 0; + var p; + if (this.eoblock) { + code = this.lookBits(12); + if (code === EOF) { + return 1; + } + + if ((code >> 5) === 0) { + p = whiteTable1[code]; + } else { + p = whiteTable2[code >> 3]; + } + + if (p[0] > 0) { + this.eatBits(p[0]); + return p[1]; + } + } else { + var result = this.findTableCode(1, 9, whiteTable2); + if (result[0]) { + return result[1]; + } + + result = this.findTableCode(11, 12, whiteTable1); + if (result[0]) { + return result[1]; + } + } + info('bad white code'); + this.eatBits(1); + return 1; + }; + + CCITTFaxStream.prototype.getBlackCode = + function ccittFaxStreamGetBlackCode() { + + var code, p; + if (this.eoblock) { + code = this.lookBits(13); + if (code === EOF) { + return 1; + } + if ((code >> 7) === 0) { + p = blackTable1[code]; + } else if ((code >> 9) === 0 && (code >> 7) !== 0) { + p = blackTable2[(code >> 1) - 64]; + } else { + p = blackTable3[code >> 7]; + } + + if (p[0] > 0) { + this.eatBits(p[0]); + return p[1]; + } + } else { + var result = this.findTableCode(2, 6, blackTable3); + if (result[0]) { + return result[1]; + } + + result = this.findTableCode(7, 12, blackTable2, 64); + if (result[0]) { + return result[1]; + } + + result = this.findTableCode(10, 13, blackTable1); + if (result[0]) { + return result[1]; + } + } + info('bad black code'); + this.eatBits(1); + return 1; + }; + + CCITTFaxStream.prototype.lookBits = function CCITTFaxStream_lookBits(n) { + var c; + while (this.inputBits < n) { + if ((c = this.str.getByte()) === -1) { + if (this.inputBits === 0) { + return EOF; + } + return ((this.inputBuf << (n - this.inputBits)) & + (0xFFFF >> (16 - n))); + } + this.inputBuf = (this.inputBuf << 8) + c; + this.inputBits += 8; + } + return (this.inputBuf >> (this.inputBits - n)) & (0xFFFF >> (16 - n)); + }; + + CCITTFaxStream.prototype.eatBits = function CCITTFaxStream_eatBits(n) { + if ((this.inputBits -= n) < 0) { + this.inputBits = 0; + } + }; + + return CCITTFaxStream; +})(); + +var LZWStream = (function LZWStreamClosure() { + function LZWStream(str, maybeLength, earlyChange) { + this.str = str; + this.dict = str.dict; + this.cachedData = 0; + this.bitsCached = 0; + + var maxLzwDictionarySize = 4096; + var lzwState = { + earlyChange: earlyChange, + codeLength: 9, + nextCode: 258, + dictionaryValues: new Uint8Array(maxLzwDictionarySize), + dictionaryLengths: new Uint16Array(maxLzwDictionarySize), + dictionaryPrevCodes: new Uint16Array(maxLzwDictionarySize), + currentSequence: new Uint8Array(maxLzwDictionarySize), + currentSequenceLength: 0 + }; + for (var i = 0; i < 256; ++i) { + lzwState.dictionaryValues[i] = i; + lzwState.dictionaryLengths[i] = 1; + } + this.lzwState = lzwState; + + DecodeStream.call(this, maybeLength); + } + + LZWStream.prototype = Object.create(DecodeStream.prototype); + + LZWStream.prototype.readBits = function LZWStream_readBits(n) { + var bitsCached = this.bitsCached; + var cachedData = this.cachedData; + while (bitsCached < n) { + var c = this.str.getByte(); + if (c === -1) { + this.eof = true; + return null; + } + cachedData = (cachedData << 8) | c; + bitsCached += 8; + } + this.bitsCached = (bitsCached -= n); + this.cachedData = cachedData; + this.lastCode = null; + return (cachedData >>> bitsCached) & ((1 << n) - 1); + }; + + LZWStream.prototype.readBlock = function LZWStream_readBlock() { + var blockSize = 512; + var estimatedDecodedSize = blockSize * 2, decodedSizeDelta = blockSize; + var i, j, q; + + var lzwState = this.lzwState; + if (!lzwState) { + return; // eof was found + } + + var earlyChange = lzwState.earlyChange; + var nextCode = lzwState.nextCode; + var dictionaryValues = lzwState.dictionaryValues; + var dictionaryLengths = lzwState.dictionaryLengths; + var dictionaryPrevCodes = lzwState.dictionaryPrevCodes; + var codeLength = lzwState.codeLength; + var prevCode = lzwState.prevCode; + var currentSequence = lzwState.currentSequence; + var currentSequenceLength = lzwState.currentSequenceLength; + + var decodedLength = 0; + var currentBufferLength = this.bufferLength; + var buffer = this.ensureBuffer(this.bufferLength + estimatedDecodedSize); + + for (i = 0; i < blockSize; i++) { + var code = this.readBits(codeLength); + var hasPrev = currentSequenceLength > 0; + if (code < 256) { + currentSequence[0] = code; + currentSequenceLength = 1; + } else if (code >= 258) { + if (code < nextCode) { + currentSequenceLength = dictionaryLengths[code]; + for (j = currentSequenceLength - 1, q = code; j >= 0; j--) { + currentSequence[j] = dictionaryValues[q]; + q = dictionaryPrevCodes[q]; + } + } else { + currentSequence[currentSequenceLength++] = currentSequence[0]; + } + } else if (code === 256) { + codeLength = 9; + nextCode = 258; + currentSequenceLength = 0; + continue; + } else { + this.eof = true; + delete this.lzwState; + break; + } + + if (hasPrev) { + dictionaryPrevCodes[nextCode] = prevCode; + dictionaryLengths[nextCode] = dictionaryLengths[prevCode] + 1; + dictionaryValues[nextCode] = currentSequence[0]; + nextCode++; + codeLength = (nextCode + earlyChange) & (nextCode + earlyChange - 1) ? + codeLength : Math.min(Math.log(nextCode + earlyChange) / + 0.6931471805599453 + 1, 12) | 0; + } + prevCode = code; + + decodedLength += currentSequenceLength; + if (estimatedDecodedSize < decodedLength) { + do { + estimatedDecodedSize += decodedSizeDelta; + } while (estimatedDecodedSize < decodedLength); + buffer = this.ensureBuffer(this.bufferLength + estimatedDecodedSize); + } + for (j = 0; j < currentSequenceLength; j++) { + buffer[currentBufferLength++] = currentSequence[j]; + } + } + lzwState.nextCode = nextCode; + lzwState.codeLength = codeLength; + lzwState.prevCode = prevCode; + lzwState.currentSequenceLength = currentSequenceLength; + + this.bufferLength = currentBufferLength; + }; + + return LZWStream; +})(); + +var NullStream = (function NullStreamClosure() { + function NullStream() { + Stream.call(this, new Uint8Array(0)); + } + + NullStream.prototype = Stream.prototype; + + return NullStream; +})(); + +// TODO refactor to remove dependency on parser.js +function _setCoreParser(coreParser_) { + coreParser = coreParser_; + EOF = coreParser_.EOF; + Lexer = coreParser_.Lexer; +} +exports._setCoreParser = _setCoreParser; + +// TODO refactor to remove dependency on colorspace.js +function _setCoreColorSpace(coreColorSpace_) { + coreColorSpace = coreColorSpace_; + ColorSpace = coreColorSpace_.ColorSpace; +} +exports._setCoreColorSpace = _setCoreColorSpace; + +exports.Ascii85Stream = Ascii85Stream; +exports.AsciiHexStream = AsciiHexStream; +exports.CCITTFaxStream = CCITTFaxStream; +exports.DecryptStream = DecryptStream; +exports.DecodeStream = DecodeStream; +exports.FlateStream = FlateStream; +exports.Jbig2Stream = Jbig2Stream; +exports.JpegStream = JpegStream; +exports.JpxStream = JpxStream; +exports.NullStream = NullStream; +exports.PredictorStream = PredictorStream; +exports.RunLengthStream = RunLengthStream; +exports.Stream = Stream; +exports.StreamsSequenceStream = StreamsSequenceStream; +exports.StringStream = StringStream; +exports.LZWStream = LZWStream; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreCrypto = {}), root.pdfjsSharedUtil, + root.pdfjsCorePrimitives, root.pdfjsCoreStream); + } +}(this, function (exports, sharedUtil, corePrimitives, coreStream) { + +var PasswordException = sharedUtil.PasswordException; +var PasswordResponses = sharedUtil.PasswordResponses; +var bytesToString = sharedUtil.bytesToString; +var error = sharedUtil.error; +var isInt = sharedUtil.isInt; +var stringToBytes = sharedUtil.stringToBytes; +var utf8StringToString = sharedUtil.utf8StringToString; +var warn = sharedUtil.warn; +var Name = corePrimitives.Name; +var isName = corePrimitives.isName; +var isDict = corePrimitives.isDict; +var DecryptStream = coreStream.DecryptStream; + +var ARCFourCipher = (function ARCFourCipherClosure() { + function ARCFourCipher(key) { + this.a = 0; + this.b = 0; + var s = new Uint8Array(256); + var i, j = 0, tmp, keyLength = key.length; + for (i = 0; i < 256; ++i) { + s[i] = i; + } + for (i = 0; i < 256; ++i) { + tmp = s[i]; + j = (j + tmp + key[i % keyLength]) & 0xFF; + s[i] = s[j]; + s[j] = tmp; + } + this.s = s; + } + + ARCFourCipher.prototype = { + encryptBlock: function ARCFourCipher_encryptBlock(data) { + var i, n = data.length, tmp, tmp2; + var a = this.a, b = this.b, s = this.s; + var output = new Uint8Array(n); + for (i = 0; i < n; ++i) { + a = (a + 1) & 0xFF; + tmp = s[a]; + b = (b + tmp) & 0xFF; + tmp2 = s[b]; + s[a] = tmp2; + s[b] = tmp; + output[i] = data[i] ^ s[(tmp + tmp2) & 0xFF]; + } + this.a = a; + this.b = b; + return output; + } + }; + ARCFourCipher.prototype.decryptBlock = ARCFourCipher.prototype.encryptBlock; + + return ARCFourCipher; +})(); + +var calculateMD5 = (function calculateMD5Closure() { + var r = new Uint8Array([ + 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, + 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, + 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, + 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21]); + + var k = new Int32Array([ + -680876936, -389564586, 606105819, -1044525330, -176418897, 1200080426, + -1473231341, -45705983, 1770035416, -1958414417, -42063, -1990404162, + 1804603682, -40341101, -1502002290, 1236535329, -165796510, -1069501632, + 643717713, -373897302, -701558691, 38016083, -660478335, -405537848, + 568446438, -1019803690, -187363961, 1163531501, -1444681467, -51403784, + 1735328473, -1926607734, -378558, -2022574463, 1839030562, -35309556, + -1530992060, 1272893353, -155497632, -1094730640, 681279174, -358537222, + -722521979, 76029189, -640364487, -421815835, 530742520, -995338651, + -198630844, 1126891415, -1416354905, -57434055, 1700485571, -1894986606, + -1051523, -2054922799, 1873313359, -30611744, -1560198380, 1309151649, + -145523070, -1120210379, 718787259, -343485551]); + + function hash(data, offset, length) { + var h0 = 1732584193, h1 = -271733879, h2 = -1732584194, h3 = 271733878; + // pre-processing + var paddedLength = (length + 72) & ~63; // data + 9 extra bytes + var padded = new Uint8Array(paddedLength); + var i, j, n; + for (i = 0; i < length; ++i) { + padded[i] = data[offset++]; + } + padded[i++] = 0x80; + n = paddedLength - 8; + while (i < n) { + padded[i++] = 0; + } + padded[i++] = (length << 3) & 0xFF; + padded[i++] = (length >> 5) & 0xFF; + padded[i++] = (length >> 13) & 0xFF; + padded[i++] = (length >> 21) & 0xFF; + padded[i++] = (length >>> 29) & 0xFF; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + var w = new Int32Array(16); + for (i = 0; i < paddedLength;) { + for (j = 0; j < 16; ++j, i += 4) { + w[j] = (padded[i] | (padded[i + 1] << 8) | + (padded[i + 2] << 16) | (padded[i + 3] << 24)); + } + var a = h0, b = h1, c = h2, d = h3, f, g; + for (j = 0; j < 64; ++j) { + if (j < 16) { + f = (b & c) | ((~b) & d); + g = j; + } else if (j < 32) { + f = (d & b) | ((~d) & c); + g = (5 * j + 1) & 15; + } else if (j < 48) { + f = b ^ c ^ d; + g = (3 * j + 5) & 15; + } else { + f = c ^ (b | (~d)); + g = (7 * j) & 15; + } + var tmp = d, rotateArg = (a + f + k[j] + w[g]) | 0, rotate = r[j]; + d = c; + c = b; + b = (b + ((rotateArg << rotate) | (rotateArg >>> (32 - rotate)))) | 0; + a = tmp; + } + h0 = (h0 + a) | 0; + h1 = (h1 + b) | 0; + h2 = (h2 + c) | 0; + h3 = (h3 + d) | 0; + } + return new Uint8Array([ + h0 & 0xFF, (h0 >> 8) & 0xFF, (h0 >> 16) & 0xFF, (h0 >>> 24) & 0xFF, + h1 & 0xFF, (h1 >> 8) & 0xFF, (h1 >> 16) & 0xFF, (h1 >>> 24) & 0xFF, + h2 & 0xFF, (h2 >> 8) & 0xFF, (h2 >> 16) & 0xFF, (h2 >>> 24) & 0xFF, + h3 & 0xFF, (h3 >> 8) & 0xFF, (h3 >> 16) & 0xFF, (h3 >>> 24) & 0xFF + ]); + } + + return hash; +})(); +var Word64 = (function Word64Closure() { + function Word64(highInteger, lowInteger) { + this.high = highInteger | 0; + this.low = lowInteger | 0; + } + Word64.prototype = { + and: function Word64_and(word) { + this.high &= word.high; + this.low &= word.low; + }, + xor: function Word64_xor(word) { + this.high ^= word.high; + this.low ^= word.low; + }, + + or: function Word64_or(word) { + this.high |= word.high; + this.low |= word.low; + }, + + shiftRight: function Word64_shiftRight(places) { + if (places >= 32) { + this.low = (this.high >>> (places - 32)) | 0; + this.high = 0; + } else { + this.low = (this.low >>> places) | (this.high << (32 - places)); + this.high = (this.high >>> places) | 0; + } + }, + + shiftLeft: function Word64_shiftLeft(places) { + if (places >= 32) { + this.high = this.low << (places - 32); + this.low = 0; + } else { + this.high = (this.high << places) | (this.low >>> (32 - places)); + this.low = this.low << places; + } + }, + + rotateRight: function Word64_rotateRight(places) { + var low, high; + if (places & 32) { + high = this.low; + low = this.high; + } else { + low = this.low; + high = this.high; + } + places &= 31; + this.low = (low >>> places) | (high << (32 - places)); + this.high = (high >>> places) | (low << (32 - places)); + }, + + not: function Word64_not() { + this.high = ~this.high; + this.low = ~this.low; + }, + + add: function Word64_add(word) { + var lowAdd = (this.low >>> 0) + (word.low >>> 0); + var highAdd = (this.high >>> 0) + (word.high >>> 0); + if (lowAdd > 0xFFFFFFFF) { + highAdd += 1; + } + this.low = lowAdd | 0; + this.high = highAdd | 0; + }, + + copyTo: function Word64_copyTo(bytes, offset) { + bytes[offset] = (this.high >>> 24) & 0xFF; + bytes[offset + 1] = (this.high >> 16) & 0xFF; + bytes[offset + 2] = (this.high >> 8) & 0xFF; + bytes[offset + 3] = this.high & 0xFF; + bytes[offset + 4] = (this.low >>> 24) & 0xFF; + bytes[offset + 5] = (this.low >> 16) & 0xFF; + bytes[offset + 6] = (this.low >> 8) & 0xFF; + bytes[offset + 7] = this.low & 0xFF; + }, + + assign: function Word64_assign(word) { + this.high = word.high; + this.low = word.low; + } + }; + return Word64; +})(); + +var calculateSHA256 = (function calculateSHA256Closure() { + function rotr(x, n) { + return (x >>> n) | (x << 32 - n); + } + + function ch(x, y, z) { + return (x & y) ^ (~x & z); + } + + function maj(x, y, z) { + return (x & y) ^ (x & z) ^ (y & z); + } + + function sigma(x) { + return rotr(x, 2) ^ rotr(x, 13) ^ rotr(x, 22); + } + + function sigmaPrime(x) { + return rotr(x, 6) ^ rotr(x, 11) ^ rotr(x, 25); + } + + function littleSigma(x) { + return rotr(x, 7) ^ rotr(x, 18) ^ x >>> 3; + } + + function littleSigmaPrime(x) { + return rotr(x, 17) ^ rotr(x, 19) ^ x >>> 10; + } + + var k = [0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, + 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5, + 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, + 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, + 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, + 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, + 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, + 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967, + 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, + 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, + 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, + 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070, + 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, + 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3, + 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, + 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2]; + + function hash(data, offset, length) { + // initial hash values + var h0 = 0x6a09e667, h1 = 0xbb67ae85, h2 = 0x3c6ef372, + h3 = 0xa54ff53a, h4 = 0x510e527f, h5 = 0x9b05688c, + h6 = 0x1f83d9ab, h7 = 0x5be0cd19; + // pre-processing + var paddedLength = Math.ceil((length + 9) / 64) * 64; + var padded = new Uint8Array(paddedLength); + var i, j, n; + for (i = 0; i < length; ++i) { + padded[i] = data[offset++]; + } + padded[i++] = 0x80; + n = paddedLength - 8; + while (i < n) { + padded[i++] = 0; + } + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = (length >>> 29) & 0xFF; + padded[i++] = (length >> 21) & 0xFF; + padded[i++] = (length >> 13) & 0xFF; + padded[i++] = (length >> 5) & 0xFF; + padded[i++] = (length << 3) & 0xFF; + var w = new Uint32Array(64); + // for each 512 bit block + for (i = 0; i < paddedLength;) { + for (j = 0; j < 16; ++j) { + w[j] = (padded[i] << 24 | (padded[i + 1] << 16) | + (padded[i + 2] << 8) | (padded[i + 3])); + i += 4; + } + + for (j = 16; j < 64; ++j) { + w[j] = littleSigmaPrime(w[j - 2]) + w[j - 7] + + littleSigma(w[j - 15]) + w[j - 16] | 0; + } + var a = h0, b = h1, c = h2, d = h3, e = h4, + f = h5, g = h6, h = h7, t1, t2; + for (j = 0; j < 64; ++j) { + t1 = h + sigmaPrime(e) + ch(e, f, g) + k[j] + w[j]; + t2 = sigma(a) + maj(a, b, c); + h = g; + g = f; + f = e; + e = (d + t1) | 0; + d = c; + c = b; + b = a; + a = (t1 + t2) | 0; + } + h0 = (h0 + a) | 0; + h1 = (h1 + b) | 0; + h2 = (h2 + c) | 0; + h3 = (h3 + d) | 0; + h4 = (h4 + e) | 0; + h5 = (h5 + f) | 0; + h6 = (h6 + g) | 0; + h7 = (h7 + h) | 0; + } + return new Uint8Array([ + (h0 >> 24) & 0xFF, (h0 >> 16) & 0xFF, (h0 >> 8) & 0xFF, (h0) & 0xFF, + (h1 >> 24) & 0xFF, (h1 >> 16) & 0xFF, (h1 >> 8) & 0xFF, (h1) & 0xFF, + (h2 >> 24) & 0xFF, (h2 >> 16) & 0xFF, (h2 >> 8) & 0xFF, (h2) & 0xFF, + (h3 >> 24) & 0xFF, (h3 >> 16) & 0xFF, (h3 >> 8) & 0xFF, (h3) & 0xFF, + (h4 >> 24) & 0xFF, (h4 >> 16) & 0xFF, (h4 >> 8) & 0xFF, (h4) & 0xFF, + (h5 >> 24) & 0xFF, (h5 >> 16) & 0xFF, (h5 >> 8) & 0xFF, (h5) & 0xFF, + (h6 >> 24) & 0xFF, (h6 >> 16) & 0xFF, (h6 >> 8) & 0xFF, (h6) & 0xFF, + (h7 >> 24) & 0xFF, (h7 >> 16) & 0xFF, (h7 >> 8) & 0xFF, (h7) & 0xFF + ]); + } + + return hash; +})(); + +var calculateSHA512 = (function calculateSHA512Closure() { + function ch(result, x, y, z, tmp) { + result.assign(x); + result.and(y); + tmp.assign(x); + tmp.not(); + tmp.and(z); + result.xor(tmp); + } + + function maj(result, x, y, z, tmp) { + result.assign(x); + result.and(y); + tmp.assign(x); + tmp.and(z); + result.xor(tmp); + tmp.assign(y); + tmp.and(z); + result.xor(tmp); + } + + function sigma(result, x, tmp) { + result.assign(x); + result.rotateRight(28); + tmp.assign(x); + tmp.rotateRight(34); + result.xor(tmp); + tmp.assign(x); + tmp.rotateRight(39); + result.xor(tmp); + } + + function sigmaPrime(result, x, tmp) { + result.assign(x); + result.rotateRight(14); + tmp.assign(x); + tmp.rotateRight(18); + result.xor(tmp); + tmp.assign(x); + tmp.rotateRight(41); + result.xor(tmp); + } + + function littleSigma(result, x, tmp) { + result.assign(x); + result.rotateRight(1); + tmp.assign(x); + tmp.rotateRight(8); + result.xor(tmp); + tmp.assign(x); + tmp.shiftRight(7); + result.xor(tmp); + } + + function littleSigmaPrime(result, x, tmp) { + result.assign(x); + result.rotateRight(19); + tmp.assign(x); + tmp.rotateRight(61); + result.xor(tmp); + tmp.assign(x); + tmp.shiftRight(6); + result.xor(tmp); + } + + var k = [ + new Word64(0x428a2f98, 0xd728ae22), new Word64(0x71374491, 0x23ef65cd), + new Word64(0xb5c0fbcf, 0xec4d3b2f), new Word64(0xe9b5dba5, 0x8189dbbc), + new Word64(0x3956c25b, 0xf348b538), new Word64(0x59f111f1, 0xb605d019), + new Word64(0x923f82a4, 0xaf194f9b), new Word64(0xab1c5ed5, 0xda6d8118), + new Word64(0xd807aa98, 0xa3030242), new Word64(0x12835b01, 0x45706fbe), + new Word64(0x243185be, 0x4ee4b28c), new Word64(0x550c7dc3, 0xd5ffb4e2), + new Word64(0x72be5d74, 0xf27b896f), new Word64(0x80deb1fe, 0x3b1696b1), + new Word64(0x9bdc06a7, 0x25c71235), new Word64(0xc19bf174, 0xcf692694), + new Word64(0xe49b69c1, 0x9ef14ad2), new Word64(0xefbe4786, 0x384f25e3), + new Word64(0x0fc19dc6, 0x8b8cd5b5), new Word64(0x240ca1cc, 0x77ac9c65), + new Word64(0x2de92c6f, 0x592b0275), new Word64(0x4a7484aa, 0x6ea6e483), + new Word64(0x5cb0a9dc, 0xbd41fbd4), new Word64(0x76f988da, 0x831153b5), + new Word64(0x983e5152, 0xee66dfab), new Word64(0xa831c66d, 0x2db43210), + new Word64(0xb00327c8, 0x98fb213f), new Word64(0xbf597fc7, 0xbeef0ee4), + new Word64(0xc6e00bf3, 0x3da88fc2), new Word64(0xd5a79147, 0x930aa725), + new Word64(0x06ca6351, 0xe003826f), new Word64(0x14292967, 0x0a0e6e70), + new Word64(0x27b70a85, 0x46d22ffc), new Word64(0x2e1b2138, 0x5c26c926), + new Word64(0x4d2c6dfc, 0x5ac42aed), new Word64(0x53380d13, 0x9d95b3df), + new Word64(0x650a7354, 0x8baf63de), new Word64(0x766a0abb, 0x3c77b2a8), + new Word64(0x81c2c92e, 0x47edaee6), new Word64(0x92722c85, 0x1482353b), + new Word64(0xa2bfe8a1, 0x4cf10364), new Word64(0xa81a664b, 0xbc423001), + new Word64(0xc24b8b70, 0xd0f89791), new Word64(0xc76c51a3, 0x0654be30), + new Word64(0xd192e819, 0xd6ef5218), new Word64(0xd6990624, 0x5565a910), + new Word64(0xf40e3585, 0x5771202a), new Word64(0x106aa070, 0x32bbd1b8), + new Word64(0x19a4c116, 0xb8d2d0c8), new Word64(0x1e376c08, 0x5141ab53), + new Word64(0x2748774c, 0xdf8eeb99), new Word64(0x34b0bcb5, 0xe19b48a8), + new Word64(0x391c0cb3, 0xc5c95a63), new Word64(0x4ed8aa4a, 0xe3418acb), + new Word64(0x5b9cca4f, 0x7763e373), new Word64(0x682e6ff3, 0xd6b2b8a3), + new Word64(0x748f82ee, 0x5defb2fc), new Word64(0x78a5636f, 0x43172f60), + new Word64(0x84c87814, 0xa1f0ab72), new Word64(0x8cc70208, 0x1a6439ec), + new Word64(0x90befffa, 0x23631e28), new Word64(0xa4506ceb, 0xde82bde9), + new Word64(0xbef9a3f7, 0xb2c67915), new Word64(0xc67178f2, 0xe372532b), + new Word64(0xca273ece, 0xea26619c), new Word64(0xd186b8c7, 0x21c0c207), + new Word64(0xeada7dd6, 0xcde0eb1e), new Word64(0xf57d4f7f, 0xee6ed178), + new Word64(0x06f067aa, 0x72176fba), new Word64(0x0a637dc5, 0xa2c898a6), + new Word64(0x113f9804, 0xbef90dae), new Word64(0x1b710b35, 0x131c471b), + new Word64(0x28db77f5, 0x23047d84), new Word64(0x32caab7b, 0x40c72493), + new Word64(0x3c9ebe0a, 0x15c9bebc), new Word64(0x431d67c4, 0x9c100d4c), + new Word64(0x4cc5d4be, 0xcb3e42b6), new Word64(0x597f299c, 0xfc657e2a), + new Word64(0x5fcb6fab, 0x3ad6faec), new Word64(0x6c44198c, 0x4a475817)]; + + function hash(data, offset, length, mode384) { + mode384 = !!mode384; + // initial hash values + var h0, h1, h2, h3, h4, h5, h6, h7; + if (!mode384) { + h0 = new Word64(0x6a09e667, 0xf3bcc908); + h1 = new Word64(0xbb67ae85, 0x84caa73b); + h2 = new Word64(0x3c6ef372, 0xfe94f82b); + h3 = new Word64(0xa54ff53a, 0x5f1d36f1); + h4 = new Word64(0x510e527f, 0xade682d1); + h5 = new Word64(0x9b05688c, 0x2b3e6c1f); + h6 = new Word64(0x1f83d9ab, 0xfb41bd6b); + h7 = new Word64(0x5be0cd19, 0x137e2179); + } + else { + // SHA384 is exactly the same + // except with different starting values and a trimmed result + h0 = new Word64(0xcbbb9d5d, 0xc1059ed8); + h1 = new Word64(0x629a292a, 0x367cd507); + h2 = new Word64(0x9159015a, 0x3070dd17); + h3 = new Word64(0x152fecd8, 0xf70e5939); + h4 = new Word64(0x67332667, 0xffc00b31); + h5 = new Word64(0x8eb44a87, 0x68581511); + h6 = new Word64(0xdb0c2e0d, 0x64f98fa7); + h7 = new Word64(0x47b5481d, 0xbefa4fa4); + } + + // pre-processing + var paddedLength = Math.ceil((length + 17) / 128) * 128; + var padded = new Uint8Array(paddedLength); + var i, j, n; + for (i = 0; i < length; ++i) { + padded[i] = data[offset++]; + } + padded[i++] = 0x80; + n = paddedLength - 16; + while (i < n) { + padded[i++] = 0; + } + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = (length >>> 29) & 0xFF; + padded[i++] = (length >> 21) & 0xFF; + padded[i++] = (length >> 13) & 0xFF; + padded[i++] = (length >> 5) & 0xFF; + padded[i++] = (length << 3) & 0xFF; + + var w = new Array(80); + for (i = 0; i < 80; i++) { + w[i] = new Word64(0, 0); + } + var a = new Word64(0, 0), b = new Word64(0, 0), c = new Word64(0, 0); + var d = new Word64(0, 0), e = new Word64(0, 0), f = new Word64(0, 0); + var g = new Word64(0, 0), h = new Word64(0, 0); + var t1 = new Word64(0, 0), t2 = new Word64(0, 0); + var tmp1 = new Word64(0, 0), tmp2 = new Word64(0, 0), tmp3; + + // for each 1024 bit block + for (i = 0; i < paddedLength;) { + for (j = 0; j < 16; ++j) { + w[j].high = (padded[i] << 24) | (padded[i + 1] << 16) | + (padded[i + 2] << 8) | (padded[i + 3]); + w[j].low = (padded[i + 4]) << 24 | (padded[i + 5]) << 16 | + (padded[i + 6]) << 8 | (padded[i + 7]); + i += 8; + } + for (j = 16; j < 80; ++j) { + tmp3 = w[j]; + littleSigmaPrime(tmp3, w[j - 2], tmp2); + tmp3.add(w[j - 7]); + littleSigma(tmp1, w[j - 15], tmp2); + tmp3.add(tmp1); + tmp3.add(w[j - 16]); + } + + a.assign(h0); b.assign(h1); c.assign(h2); d.assign(h3); + e.assign(h4); f.assign(h5); g.assign(h6); h.assign(h7); + for (j = 0; j < 80; ++j) { + t1.assign(h); + sigmaPrime(tmp1, e, tmp2); + t1.add(tmp1); + ch(tmp1, e, f, g, tmp2); + t1.add(tmp1); + t1.add(k[j]); + t1.add(w[j]); + + sigma(t2, a, tmp2); + maj(tmp1, a, b, c, tmp2); + t2.add(tmp1); + + tmp3 = h; + h = g; + g = f; + f = e; + d.add(t1); + e = d; + d = c; + c = b; + b = a; + tmp3.assign(t1); + tmp3.add(t2); + a = tmp3; + } + h0.add(a); + h1.add(b); + h2.add(c); + h3.add(d); + h4.add(e); + h5.add(f); + h6.add(g); + h7.add(h); + } + + var result; + if (!mode384) { + result = new Uint8Array(64); + h0.copyTo(result,0); + h1.copyTo(result,8); + h2.copyTo(result,16); + h3.copyTo(result,24); + h4.copyTo(result,32); + h5.copyTo(result,40); + h6.copyTo(result,48); + h7.copyTo(result,56); + } + else { + result = new Uint8Array(48); + h0.copyTo(result,0); + h1.copyTo(result,8); + h2.copyTo(result,16); + h3.copyTo(result,24); + h4.copyTo(result,32); + h5.copyTo(result,40); + } + return result; + } + + return hash; +})(); +var calculateSHA384 = (function calculateSHA384Closure() { + function hash(data, offset, length) { + return calculateSHA512(data, offset, length, true); + } + + return hash; +})(); +var NullCipher = (function NullCipherClosure() { + function NullCipher() { + } + + NullCipher.prototype = { + decryptBlock: function NullCipher_decryptBlock(data) { + return data; + } + }; + + return NullCipher; +})(); + +var AES128Cipher = (function AES128CipherClosure() { + var rcon = new Uint8Array([ + 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, + 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, + 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, + 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, + 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, + 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, + 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, + 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, + 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, + 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, + 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, + 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, + 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, + 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, + 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, + 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, + 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, + 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, + 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, + 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, + 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, + 0x74, 0xe8, 0xcb, 0x8d]); + + var s = new Uint8Array([ + 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, + 0xfe, 0xd7, 0xab, 0x76, 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, + 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, 0xb7, 0xfd, 0x93, 0x26, + 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, + 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, + 0xeb, 0x27, 0xb2, 0x75, 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, + 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, 0x53, 0xd1, 0x00, 0xed, + 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, + 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, + 0x50, 0x3c, 0x9f, 0xa8, 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, + 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, 0xcd, 0x0c, 0x13, 0xec, + 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73, + 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, + 0xde, 0x5e, 0x0b, 0xdb, 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, + 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, 0xe7, 0xc8, 0x37, 0x6d, + 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, + 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, + 0x4b, 0xbd, 0x8b, 0x8a, 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, + 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, 0xe1, 0xf8, 0x98, 0x11, + 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, + 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, + 0xb0, 0x54, 0xbb, 0x16]); + + var inv_s = new Uint8Array([ + 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, + 0x81, 0xf3, 0xd7, 0xfb, 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, + 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb, 0x54, 0x7b, 0x94, 0x32, + 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e, + 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, + 0x6d, 0x8b, 0xd1, 0x25, 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, + 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92, 0x6c, 0x70, 0x48, 0x50, + 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84, + 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, + 0xb8, 0xb3, 0x45, 0x06, 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, + 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b, 0x3a, 0x91, 0x11, 0x41, + 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73, + 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8, + 0x1c, 0x75, 0xdf, 0x6e, 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, + 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b, 0xfc, 0x56, 0x3e, 0x4b, + 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4, + 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, + 0x27, 0x80, 0xec, 0x5f, 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, + 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef, 0xa0, 0xe0, 0x3b, 0x4d, + 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61, + 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, + 0x55, 0x21, 0x0c, 0x7d]); + var mixCol = new Uint8Array(256); + for (var i = 0; i < 256; i++) { + if (i < 128) { + mixCol[i] = i << 1; + } else { + mixCol[i] = (i << 1) ^ 0x1b; + } + } + var mix = new Uint32Array([ + 0x00000000, 0x0e090d0b, 0x1c121a16, 0x121b171d, 0x3824342c, 0x362d3927, + 0x24362e3a, 0x2a3f2331, 0x70486858, 0x7e416553, 0x6c5a724e, 0x62537f45, + 0x486c5c74, 0x4665517f, 0x547e4662, 0x5a774b69, 0xe090d0b0, 0xee99ddbb, + 0xfc82caa6, 0xf28bc7ad, 0xd8b4e49c, 0xd6bde997, 0xc4a6fe8a, 0xcaaff381, + 0x90d8b8e8, 0x9ed1b5e3, 0x8ccaa2fe, 0x82c3aff5, 0xa8fc8cc4, 0xa6f581cf, + 0xb4ee96d2, 0xbae79bd9, 0xdb3bbb7b, 0xd532b670, 0xc729a16d, 0xc920ac66, + 0xe31f8f57, 0xed16825c, 0xff0d9541, 0xf104984a, 0xab73d323, 0xa57ade28, + 0xb761c935, 0xb968c43e, 0x9357e70f, 0x9d5eea04, 0x8f45fd19, 0x814cf012, + 0x3bab6bcb, 0x35a266c0, 0x27b971dd, 0x29b07cd6, 0x038f5fe7, 0x0d8652ec, + 0x1f9d45f1, 0x119448fa, 0x4be30393, 0x45ea0e98, 0x57f11985, 0x59f8148e, + 0x73c737bf, 0x7dce3ab4, 0x6fd52da9, 0x61dc20a2, 0xad766df6, 0xa37f60fd, + 0xb16477e0, 0xbf6d7aeb, 0x955259da, 0x9b5b54d1, 0x894043cc, 0x87494ec7, + 0xdd3e05ae, 0xd33708a5, 0xc12c1fb8, 0xcf2512b3, 0xe51a3182, 0xeb133c89, + 0xf9082b94, 0xf701269f, 0x4de6bd46, 0x43efb04d, 0x51f4a750, 0x5ffdaa5b, + 0x75c2896a, 0x7bcb8461, 0x69d0937c, 0x67d99e77, 0x3daed51e, 0x33a7d815, + 0x21bccf08, 0x2fb5c203, 0x058ae132, 0x0b83ec39, 0x1998fb24, 0x1791f62f, + 0x764dd68d, 0x7844db86, 0x6a5fcc9b, 0x6456c190, 0x4e69e2a1, 0x4060efaa, + 0x527bf8b7, 0x5c72f5bc, 0x0605bed5, 0x080cb3de, 0x1a17a4c3, 0x141ea9c8, + 0x3e218af9, 0x302887f2, 0x223390ef, 0x2c3a9de4, 0x96dd063d, 0x98d40b36, + 0x8acf1c2b, 0x84c61120, 0xaef93211, 0xa0f03f1a, 0xb2eb2807, 0xbce2250c, + 0xe6956e65, 0xe89c636e, 0xfa877473, 0xf48e7978, 0xdeb15a49, 0xd0b85742, + 0xc2a3405f, 0xccaa4d54, 0x41ecdaf7, 0x4fe5d7fc, 0x5dfec0e1, 0x53f7cdea, + 0x79c8eedb, 0x77c1e3d0, 0x65daf4cd, 0x6bd3f9c6, 0x31a4b2af, 0x3fadbfa4, + 0x2db6a8b9, 0x23bfa5b2, 0x09808683, 0x07898b88, 0x15929c95, 0x1b9b919e, + 0xa17c0a47, 0xaf75074c, 0xbd6e1051, 0xb3671d5a, 0x99583e6b, 0x97513360, + 0x854a247d, 0x8b432976, 0xd134621f, 0xdf3d6f14, 0xcd267809, 0xc32f7502, + 0xe9105633, 0xe7195b38, 0xf5024c25, 0xfb0b412e, 0x9ad7618c, 0x94de6c87, + 0x86c57b9a, 0x88cc7691, 0xa2f355a0, 0xacfa58ab, 0xbee14fb6, 0xb0e842bd, + 0xea9f09d4, 0xe49604df, 0xf68d13c2, 0xf8841ec9, 0xd2bb3df8, 0xdcb230f3, + 0xcea927ee, 0xc0a02ae5, 0x7a47b13c, 0x744ebc37, 0x6655ab2a, 0x685ca621, + 0x42638510, 0x4c6a881b, 0x5e719f06, 0x5078920d, 0x0a0fd964, 0x0406d46f, + 0x161dc372, 0x1814ce79, 0x322bed48, 0x3c22e043, 0x2e39f75e, 0x2030fa55, + 0xec9ab701, 0xe293ba0a, 0xf088ad17, 0xfe81a01c, 0xd4be832d, 0xdab78e26, + 0xc8ac993b, 0xc6a59430, 0x9cd2df59, 0x92dbd252, 0x80c0c54f, 0x8ec9c844, + 0xa4f6eb75, 0xaaffe67e, 0xb8e4f163, 0xb6edfc68, 0x0c0a67b1, 0x02036aba, + 0x10187da7, 0x1e1170ac, 0x342e539d, 0x3a275e96, 0x283c498b, 0x26354480, + 0x7c420fe9, 0x724b02e2, 0x605015ff, 0x6e5918f4, 0x44663bc5, 0x4a6f36ce, + 0x587421d3, 0x567d2cd8, 0x37a10c7a, 0x39a80171, 0x2bb3166c, 0x25ba1b67, + 0x0f853856, 0x018c355d, 0x13972240, 0x1d9e2f4b, 0x47e96422, 0x49e06929, + 0x5bfb7e34, 0x55f2733f, 0x7fcd500e, 0x71c45d05, 0x63df4a18, 0x6dd64713, + 0xd731dcca, 0xd938d1c1, 0xcb23c6dc, 0xc52acbd7, 0xef15e8e6, 0xe11ce5ed, + 0xf307f2f0, 0xfd0efffb, 0xa779b492, 0xa970b999, 0xbb6bae84, 0xb562a38f, + 0x9f5d80be, 0x91548db5, 0x834f9aa8, 0x8d4697a3]); + + function expandKey128(cipherKey) { + var b = 176, result = new Uint8Array(b); + result.set(cipherKey); + for (var j = 16, i = 1; j < b; ++i) { + // RotWord + var t1 = result[j - 3], t2 = result[j - 2], + t3 = result[j - 1], t4 = result[j - 4]; + // SubWord + t1 = s[t1]; + t2 = s[t2]; + t3 = s[t3]; + t4 = s[t4]; + // Rcon + t1 = t1 ^ rcon[i]; + for (var n = 0; n < 4; ++n) { + result[j] = (t1 ^= result[j - 16]); + j++; + result[j] = (t2 ^= result[j - 16]); + j++; + result[j] = (t3 ^= result[j - 16]); + j++; + result[j] = (t4 ^= result[j - 16]); + j++; + } + } + return result; + } + + function decrypt128(input, key) { + var state = new Uint8Array(16); + state.set(input); + var i, j, k; + var t, u, v; + // AddRoundKey + for (j = 0, k = 160; j < 16; ++j, ++k) { + state[j] ^= key[k]; + } + for (i = 9; i >= 1; --i) { + // InvShiftRows + t = state[13]; + state[13] = state[9]; + state[9] = state[5]; + state[5] = state[1]; + state[1] = t; + t = state[14]; + u = state[10]; + state[14] = state[6]; + state[10] = state[2]; + state[6] = t; + state[2] = u; + t = state[15]; + u = state[11]; + v = state[7]; + state[15] = state[3]; + state[11] = t; + state[7] = u; + state[3] = v; + // InvSubBytes + for (j = 0; j < 16; ++j) { + state[j] = inv_s[state[j]]; + } + // AddRoundKey + for (j = 0, k = i * 16; j < 16; ++j, ++k) { + state[j] ^= key[k]; + } + // InvMixColumns + for (j = 0; j < 16; j += 4) { + var s0 = mix[state[j]], s1 = mix[state[j + 1]], + s2 = mix[state[j + 2]], s3 = mix[state[j + 3]]; + t = (s0 ^ (s1 >>> 8) ^ (s1 << 24) ^ (s2 >>> 16) ^ (s2 << 16) ^ + (s3 >>> 24) ^ (s3 << 8)); + state[j] = (t >>> 24) & 0xFF; + state[j + 1] = (t >> 16) & 0xFF; + state[j + 2] = (t >> 8) & 0xFF; + state[j + 3] = t & 0xFF; + } + } + // InvShiftRows + t = state[13]; + state[13] = state[9]; + state[9] = state[5]; + state[5] = state[1]; + state[1] = t; + t = state[14]; + u = state[10]; + state[14] = state[6]; + state[10] = state[2]; + state[6] = t; + state[2] = u; + t = state[15]; + u = state[11]; + v = state[7]; + state[15] = state[3]; + state[11] = t; + state[7] = u; + state[3] = v; + for (j = 0; j < 16; ++j) { + // InvSubBytes + state[j] = inv_s[state[j]]; + // AddRoundKey + state[j] ^= key[j]; + } + return state; + } + + function encrypt128(input, key) { + var t, u, v, k; + var state = new Uint8Array(16); + state.set(input); + for (j = 0; j < 16; ++j) { + // AddRoundKey + state[j] ^= key[j]; + } + + for (i = 1; i < 10; i++) { + //SubBytes + for (j = 0; j < 16; ++j) { + state[j] = s[state[j]]; + } + //ShiftRows + v = state[1]; + state[1] = state[5]; + state[5] = state[9]; + state[9] = state[13]; + state[13] = v; + v = state[2]; + u = state[6]; + state[2] = state[10]; + state[6] = state[14]; + state[10] = v; + state[14] = u; + v = state[3]; + u = state[7]; + t = state[11]; + state[3] = state[15]; + state[7] = v; + state[11] = u; + state[15] = t; + //MixColumns + for (var j = 0; j < 16; j += 4) { + var s0 = state[j + 0], s1 = state[j + 1]; + var s2 = state[j + 2], s3 = state[j + 3]; + t = s0 ^ s1 ^ s2 ^ s3; + state[j + 0] ^= t ^ mixCol[s0 ^ s1]; + state[j + 1] ^= t ^ mixCol[s1 ^ s2]; + state[j + 2] ^= t ^ mixCol[s2 ^ s3]; + state[j + 3] ^= t ^ mixCol[s3 ^ s0]; + } + //AddRoundKey + for (j = 0, k = i * 16; j < 16; ++j, ++k) { + state[j] ^= key[k]; + } + } + + //SubBytes + for (j = 0; j < 16; ++j) { + state[j] = s[state[j]]; + } + //ShiftRows + v = state[1]; + state[1] = state[5]; + state[5] = state[9]; + state[9] = state[13]; + state[13] = v; + v = state[2]; + u = state[6]; + state[2] = state[10]; + state[6] = state[14]; + state[10] = v; + state[14] = u; + v = state[3]; + u = state[7]; + t = state[11]; + state[3] = state[15]; + state[7] = v; + state[11] = u; + state[15] = t; + //AddRoundKey + for (j = 0, k = 160; j < 16; ++j, ++k) { + state[j] ^= key[k]; + } + return state; + } + + function AES128Cipher(key) { + this.key = expandKey128(key); + this.buffer = new Uint8Array(16); + this.bufferPosition = 0; + } + + function decryptBlock2(data, finalize) { + var i, j, ii, sourceLength = data.length, + buffer = this.buffer, bufferLength = this.bufferPosition, + result = [], iv = this.iv; + for (i = 0; i < sourceLength; ++i) { + buffer[bufferLength] = data[i]; + ++bufferLength; + if (bufferLength < 16) { + continue; + } + // buffer is full, decrypting + var plain = decrypt128(buffer, this.key); + // xor-ing the IV vector to get plain text + for (j = 0; j < 16; ++j) { + plain[j] ^= iv[j]; + } + iv = buffer; + result.push(plain); + buffer = new Uint8Array(16); + bufferLength = 0; + } + // saving incomplete buffer + this.buffer = buffer; + this.bufferLength = bufferLength; + this.iv = iv; + if (result.length === 0) { + return new Uint8Array([]); + } + // combining plain text blocks into one + var outputLength = 16 * result.length; + if (finalize) { + // undo a padding that is described in RFC 2898 + var lastBlock = result[result.length - 1]; + var psLen = lastBlock[15]; + if (psLen <= 16) { + for (i = 15, ii = 16 - psLen; i >= ii; --i) { + if (lastBlock[i] !== psLen) { + // Invalid padding, assume that the block has no padding. + psLen = 0; + break; + } + } + outputLength -= psLen; + result[result.length - 1] = lastBlock.subarray(0, 16 - psLen); + } + } + var output = new Uint8Array(outputLength); + for (i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) { + output.set(result[i], j); + } + return output; + } + + AES128Cipher.prototype = { + decryptBlock: function AES128Cipher_decryptBlock(data, finalize) { + var i, sourceLength = data.length; + var buffer = this.buffer, bufferLength = this.bufferPosition; + // waiting for IV values -- they are at the start of the stream + for (i = 0; bufferLength < 16 && i < sourceLength; ++i, ++bufferLength) { + buffer[bufferLength] = data[i]; + } + if (bufferLength < 16) { + // need more data + this.bufferLength = bufferLength; + return new Uint8Array([]); + } + this.iv = buffer; + this.buffer = new Uint8Array(16); + this.bufferLength = 0; + // starting decryption + this.decryptBlock = decryptBlock2; + return this.decryptBlock(data.subarray(16), finalize); + }, + encrypt: function AES128Cipher_encrypt(data, iv) { + var i, j, ii, sourceLength = data.length, + buffer = this.buffer, bufferLength = this.bufferPosition, + result = []; + if (!iv) { + iv = new Uint8Array(16); + } + for (i = 0; i < sourceLength; ++i) { + buffer[bufferLength] = data[i]; + ++bufferLength; + if (bufferLength < 16) { + continue; + } + for (j = 0; j < 16; ++j) { + buffer[j] ^= iv[j]; + } + + // buffer is full, encrypting + var cipher = encrypt128(buffer, this.key); + iv = cipher; + result.push(cipher); + buffer = new Uint8Array(16); + bufferLength = 0; + } + // saving incomplete buffer + this.buffer = buffer; + this.bufferLength = bufferLength; + this.iv = iv; + if (result.length === 0) { + return new Uint8Array([]); + } + // combining plain text blocks into one + var outputLength = 16 * result.length; + var output = new Uint8Array(outputLength); + for (i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) { + output.set(result[i], j); + } + return output; + } + }; + + return AES128Cipher; +})(); + +var AES256Cipher = (function AES256CipherClosure() { + var rcon = new Uint8Array([ + 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, + 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, + 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, + 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, + 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, + 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, + 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, + 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, + 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, + 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, + 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, + 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, + 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, + 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, + 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, + 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, + 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, + 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, + 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, + 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, + 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, + 0x74, 0xe8, 0xcb, 0x8d]); + + var s = new Uint8Array([ + 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, + 0xfe, 0xd7, 0xab, 0x76, 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, + 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, 0xb7, 0xfd, 0x93, 0x26, + 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, + 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, + 0xeb, 0x27, 0xb2, 0x75, 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, + 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, 0x53, 0xd1, 0x00, 0xed, + 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, + 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, + 0x50, 0x3c, 0x9f, 0xa8, 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, + 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, 0xcd, 0x0c, 0x13, 0xec, + 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73, + 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, + 0xde, 0x5e, 0x0b, 0xdb, 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, + 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, 0xe7, 0xc8, 0x37, 0x6d, + 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, + 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, + 0x4b, 0xbd, 0x8b, 0x8a, 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, + 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, 0xe1, 0xf8, 0x98, 0x11, + 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, + 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, + 0xb0, 0x54, 0xbb, 0x16]); + + var inv_s = new Uint8Array([ + 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, + 0x81, 0xf3, 0xd7, 0xfb, 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, + 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb, 0x54, 0x7b, 0x94, 0x32, + 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e, + 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, + 0x6d, 0x8b, 0xd1, 0x25, 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, + 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92, 0x6c, 0x70, 0x48, 0x50, + 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84, + 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, + 0xb8, 0xb3, 0x45, 0x06, 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, + 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b, 0x3a, 0x91, 0x11, 0x41, + 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73, + 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8, + 0x1c, 0x75, 0xdf, 0x6e, 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, + 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b, 0xfc, 0x56, 0x3e, 0x4b, + 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4, + 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, + 0x27, 0x80, 0xec, 0x5f, 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, + 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef, 0xa0, 0xe0, 0x3b, 0x4d, + 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61, + 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, + 0x55, 0x21, 0x0c, 0x7d]); + + var mixCol = new Uint8Array(256); + for (var i = 0; i < 256; i++) { + if (i < 128) { + mixCol[i] = i << 1; + } else { + mixCol[i] = (i << 1) ^ 0x1b; + } + } + var mix = new Uint32Array([ + 0x00000000, 0x0e090d0b, 0x1c121a16, 0x121b171d, 0x3824342c, 0x362d3927, + 0x24362e3a, 0x2a3f2331, 0x70486858, 0x7e416553, 0x6c5a724e, 0x62537f45, + 0x486c5c74, 0x4665517f, 0x547e4662, 0x5a774b69, 0xe090d0b0, 0xee99ddbb, + 0xfc82caa6, 0xf28bc7ad, 0xd8b4e49c, 0xd6bde997, 0xc4a6fe8a, 0xcaaff381, + 0x90d8b8e8, 0x9ed1b5e3, 0x8ccaa2fe, 0x82c3aff5, 0xa8fc8cc4, 0xa6f581cf, + 0xb4ee96d2, 0xbae79bd9, 0xdb3bbb7b, 0xd532b670, 0xc729a16d, 0xc920ac66, + 0xe31f8f57, 0xed16825c, 0xff0d9541, 0xf104984a, 0xab73d323, 0xa57ade28, + 0xb761c935, 0xb968c43e, 0x9357e70f, 0x9d5eea04, 0x8f45fd19, 0x814cf012, + 0x3bab6bcb, 0x35a266c0, 0x27b971dd, 0x29b07cd6, 0x038f5fe7, 0x0d8652ec, + 0x1f9d45f1, 0x119448fa, 0x4be30393, 0x45ea0e98, 0x57f11985, 0x59f8148e, + 0x73c737bf, 0x7dce3ab4, 0x6fd52da9, 0x61dc20a2, 0xad766df6, 0xa37f60fd, + 0xb16477e0, 0xbf6d7aeb, 0x955259da, 0x9b5b54d1, 0x894043cc, 0x87494ec7, + 0xdd3e05ae, 0xd33708a5, 0xc12c1fb8, 0xcf2512b3, 0xe51a3182, 0xeb133c89, + 0xf9082b94, 0xf701269f, 0x4de6bd46, 0x43efb04d, 0x51f4a750, 0x5ffdaa5b, + 0x75c2896a, 0x7bcb8461, 0x69d0937c, 0x67d99e77, 0x3daed51e, 0x33a7d815, + 0x21bccf08, 0x2fb5c203, 0x058ae132, 0x0b83ec39, 0x1998fb24, 0x1791f62f, + 0x764dd68d, 0x7844db86, 0x6a5fcc9b, 0x6456c190, 0x4e69e2a1, 0x4060efaa, + 0x527bf8b7, 0x5c72f5bc, 0x0605bed5, 0x080cb3de, 0x1a17a4c3, 0x141ea9c8, + 0x3e218af9, 0x302887f2, 0x223390ef, 0x2c3a9de4, 0x96dd063d, 0x98d40b36, + 0x8acf1c2b, 0x84c61120, 0xaef93211, 0xa0f03f1a, 0xb2eb2807, 0xbce2250c, + 0xe6956e65, 0xe89c636e, 0xfa877473, 0xf48e7978, 0xdeb15a49, 0xd0b85742, + 0xc2a3405f, 0xccaa4d54, 0x41ecdaf7, 0x4fe5d7fc, 0x5dfec0e1, 0x53f7cdea, + 0x79c8eedb, 0x77c1e3d0, 0x65daf4cd, 0x6bd3f9c6, 0x31a4b2af, 0x3fadbfa4, + 0x2db6a8b9, 0x23bfa5b2, 0x09808683, 0x07898b88, 0x15929c95, 0x1b9b919e, + 0xa17c0a47, 0xaf75074c, 0xbd6e1051, 0xb3671d5a, 0x99583e6b, 0x97513360, + 0x854a247d, 0x8b432976, 0xd134621f, 0xdf3d6f14, 0xcd267809, 0xc32f7502, + 0xe9105633, 0xe7195b38, 0xf5024c25, 0xfb0b412e, 0x9ad7618c, 0x94de6c87, + 0x86c57b9a, 0x88cc7691, 0xa2f355a0, 0xacfa58ab, 0xbee14fb6, 0xb0e842bd, + 0xea9f09d4, 0xe49604df, 0xf68d13c2, 0xf8841ec9, 0xd2bb3df8, 0xdcb230f3, + 0xcea927ee, 0xc0a02ae5, 0x7a47b13c, 0x744ebc37, 0x6655ab2a, 0x685ca621, + 0x42638510, 0x4c6a881b, 0x5e719f06, 0x5078920d, 0x0a0fd964, 0x0406d46f, + 0x161dc372, 0x1814ce79, 0x322bed48, 0x3c22e043, 0x2e39f75e, 0x2030fa55, + 0xec9ab701, 0xe293ba0a, 0xf088ad17, 0xfe81a01c, 0xd4be832d, 0xdab78e26, + 0xc8ac993b, 0xc6a59430, 0x9cd2df59, 0x92dbd252, 0x80c0c54f, 0x8ec9c844, + 0xa4f6eb75, 0xaaffe67e, 0xb8e4f163, 0xb6edfc68, 0x0c0a67b1, 0x02036aba, + 0x10187da7, 0x1e1170ac, 0x342e539d, 0x3a275e96, 0x283c498b, 0x26354480, + 0x7c420fe9, 0x724b02e2, 0x605015ff, 0x6e5918f4, 0x44663bc5, 0x4a6f36ce, + 0x587421d3, 0x567d2cd8, 0x37a10c7a, 0x39a80171, 0x2bb3166c, 0x25ba1b67, + 0x0f853856, 0x018c355d, 0x13972240, 0x1d9e2f4b, 0x47e96422, 0x49e06929, + 0x5bfb7e34, 0x55f2733f, 0x7fcd500e, 0x71c45d05, 0x63df4a18, 0x6dd64713, + 0xd731dcca, 0xd938d1c1, 0xcb23c6dc, 0xc52acbd7, 0xef15e8e6, 0xe11ce5ed, + 0xf307f2f0, 0xfd0efffb, 0xa779b492, 0xa970b999, 0xbb6bae84, 0xb562a38f, + 0x9f5d80be, 0x91548db5, 0x834f9aa8, 0x8d4697a3]); + + function expandKey256(cipherKey) { + var b = 240, result = new Uint8Array(b); + var r = 1; + + result.set(cipherKey); + for (var j = 32, i = 1; j < b; ++i) { + if (j % 32 === 16) { + t1 = s[t1]; + t2 = s[t2]; + t3 = s[t3]; + t4 = s[t4]; + } else if (j % 32 === 0) { + // RotWord + var t1 = result[j - 3], t2 = result[j - 2], + t3 = result[j - 1], t4 = result[j - 4]; + // SubWord + t1 = s[t1]; + t2 = s[t2]; + t3 = s[t3]; + t4 = s[t4]; + // Rcon + t1 = t1 ^ r; + if ((r <<= 1) >= 256) { + r = (r ^ 0x1b) & 0xFF; + } + } + + for (var n = 0; n < 4; ++n) { + result[j] = (t1 ^= result[j - 32]); + j++; + result[j] = (t2 ^= result[j - 32]); + j++; + result[j] = (t3 ^= result[j - 32]); + j++; + result[j] = (t4 ^= result[j - 32]); + j++; + } + } + return result; + } + + function decrypt256(input, key) { + var state = new Uint8Array(16); + state.set(input); + var i, j, k; + var t, u, v; + // AddRoundKey + for (j = 0, k = 224; j < 16; ++j, ++k) { + state[j] ^= key[k]; + } + for (i = 13; i >= 1; --i) { + // InvShiftRows + t = state[13]; + state[13] = state[9]; + state[9] = state[5]; + state[5] = state[1]; + state[1] = t; + t = state[14]; + u = state[10]; + state[14] = state[6]; + state[10] = state[2]; + state[6] = t; + state[2] = u; + t = state[15]; + u = state[11]; + v = state[7]; + state[15] = state[3]; + state[11] = t; + state[7] = u; + state[3] = v; + // InvSubBytes + for (j = 0; j < 16; ++j) { + state[j] = inv_s[state[j]]; + } + // AddRoundKey + for (j = 0, k = i * 16; j < 16; ++j, ++k) { + state[j] ^= key[k]; + } + // InvMixColumns + for (j = 0; j < 16; j += 4) { + var s0 = mix[state[j]], s1 = mix[state[j + 1]], + s2 = mix[state[j + 2]], s3 = mix[state[j + 3]]; + t = (s0 ^ (s1 >>> 8) ^ (s1 << 24) ^ (s2 >>> 16) ^ (s2 << 16) ^ + (s3 >>> 24) ^ (s3 << 8)); + state[j] = (t >>> 24) & 0xFF; + state[j + 1] = (t >> 16) & 0xFF; + state[j + 2] = (t >> 8) & 0xFF; + state[j + 3] = t & 0xFF; + } + } + // InvShiftRows + t = state[13]; + state[13] = state[9]; + state[9] = state[5]; + state[5] = state[1]; + state[1] = t; + t = state[14]; + u = state[10]; + state[14] = state[6]; + state[10] = state[2]; + state[6] = t; + state[2] = u; + t = state[15]; + u = state[11]; + v = state[7]; + state[15] = state[3]; + state[11] = t; + state[7] = u; + state[3] = v; + for (j = 0; j < 16; ++j) { + // InvSubBytes + state[j] = inv_s[state[j]]; + // AddRoundKey + state[j] ^= key[j]; + } + return state; + } + + function encrypt256(input, key) { + var t, u, v, k; + var state = new Uint8Array(16); + state.set(input); + for (j = 0; j < 16; ++j) { + // AddRoundKey + state[j] ^= key[j]; + } + + for (i = 1; i < 14; i++) { + //SubBytes + for (j = 0; j < 16; ++j) { + state[j] = s[state[j]]; + } + //ShiftRows + v = state[1]; + state[1] = state[5]; + state[5] = state[9]; + state[9] = state[13]; + state[13] = v; + v = state[2]; + u = state[6]; + state[2] = state[10]; + state[6] = state[14]; + state[10] = v; + state[14] = u; + v = state[3]; + u = state[7]; + t = state[11]; + state[3] = state[15]; + state[7] = v; + state[11] = u; + state[15] = t; + //MixColumns + for (var j = 0; j < 16; j += 4) { + var s0 = state[j + 0], s1 = state[j + 1]; + var s2 = state[j + 2], s3 = state[j + 3]; + t = s0 ^ s1 ^ s2 ^ s3; + state[j + 0] ^= t ^ mixCol[s0 ^ s1]; + state[j + 1] ^= t ^ mixCol[s1 ^ s2]; + state[j + 2] ^= t ^ mixCol[s2 ^ s3]; + state[j + 3] ^= t ^ mixCol[s3 ^ s0]; + } + //AddRoundKey + for (j = 0, k = i * 16; j < 16; ++j, ++k) { + state[j] ^= key[k]; + } + } + + //SubBytes + for (j = 0; j < 16; ++j) { + state[j] = s[state[j]]; + } + //ShiftRows + v = state[1]; + state[1] = state[5]; + state[5] = state[9]; + state[9] = state[13]; + state[13] = v; + v = state[2]; + u = state[6]; + state[2] = state[10]; + state[6] = state[14]; + state[10] = v; + state[14] = u; + v = state[3]; + u = state[7]; + t = state[11]; + state[3] = state[15]; + state[7] = v; + state[11] = u; + state[15] = t; + //AddRoundKey + for (j = 0, k = 224; j < 16; ++j, ++k) { + state[j] ^= key[k]; + } + + return state; + + } + + function AES256Cipher(key) { + this.key = expandKey256(key); + this.buffer = new Uint8Array(16); + this.bufferPosition = 0; + } + + function decryptBlock2(data, finalize) { + var i, j, ii, sourceLength = data.length, + buffer = this.buffer, bufferLength = this.bufferPosition, + result = [], iv = this.iv; + + for (i = 0; i < sourceLength; ++i) { + buffer[bufferLength] = data[i]; + ++bufferLength; + if (bufferLength < 16) { + continue; + } + // buffer is full, decrypting + var plain = decrypt256(buffer, this.key); + // xor-ing the IV vector to get plain text + for (j = 0; j < 16; ++j) { + plain[j] ^= iv[j]; + } + iv = buffer; + result.push(plain); + buffer = new Uint8Array(16); + bufferLength = 0; + } + // saving incomplete buffer + this.buffer = buffer; + this.bufferLength = bufferLength; + this.iv = iv; + if (result.length === 0) { + return new Uint8Array([]); + } + // combining plain text blocks into one + var outputLength = 16 * result.length; + if (finalize) { + // undo a padding that is described in RFC 2898 + var lastBlock = result[result.length - 1]; + var psLen = lastBlock[15]; + if (psLen <= 16) { + for (i = 15, ii = 16 - psLen; i >= ii; --i) { + if (lastBlock[i] !== psLen) { + // Invalid padding, assume that the block has no padding. + psLen = 0; + break; + } + } + outputLength -= psLen; + result[result.length - 1] = lastBlock.subarray(0, 16 - psLen); + } + } + var output = new Uint8Array(outputLength); + for (i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) { + output.set(result[i], j); + } + return output; + + } + + AES256Cipher.prototype = { + decryptBlock: function AES256Cipher_decryptBlock(data, finalize, iv) { + var i, sourceLength = data.length; + var buffer = this.buffer, bufferLength = this.bufferPosition; + // if not supplied an IV wait for IV values + // they are at the start of the stream + if (iv) { + this.iv = iv; + } else { + for (i = 0; bufferLength < 16 && + i < sourceLength; ++i, ++bufferLength) { + buffer[bufferLength] = data[i]; + } + if (bufferLength < 16) { + //need more data + this.bufferLength = bufferLength; + return new Uint8Array([]); + } + this.iv = buffer; + data = data.subarray(16); + } + this.buffer = new Uint8Array(16); + this.bufferLength = 0; + // starting decryption + this.decryptBlock = decryptBlock2; + return this.decryptBlock(data, finalize); + }, + encrypt: function AES256Cipher_encrypt(data, iv) { + var i, j, ii, sourceLength = data.length, + buffer = this.buffer, bufferLength = this.bufferPosition, + result = []; + if (!iv) { + iv = new Uint8Array(16); + } + for (i = 0; i < sourceLength; ++i) { + buffer[bufferLength] = data[i]; + ++bufferLength; + if (bufferLength < 16) { + continue; + } + for (j = 0; j < 16; ++j) { + buffer[j] ^= iv[j]; + } + + // buffer is full, encrypting + var cipher = encrypt256(buffer, this.key); + this.iv = cipher; + result.push(cipher); + buffer = new Uint8Array(16); + bufferLength = 0; + } + // saving incomplete buffer + this.buffer = buffer; + this.bufferLength = bufferLength; + this.iv = iv; + if (result.length === 0) { + return new Uint8Array([]); + } + // combining plain text blocks into one + var outputLength = 16 * result.length; + var output = new Uint8Array(outputLength); + for (i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) { + output.set(result[i], j); + } + return output; + } + }; + + return AES256Cipher; +})(); + +var PDF17 = (function PDF17Closure() { + + function compareByteArrays(array1, array2) { + if (array1.length !== array2.length) { + return false; + } + for (var i = 0; i < array1.length; i++) { + if (array1[i] !== array2[i]) { + return false; + } + } + return true; + } + + function PDF17() { + } + + PDF17.prototype = { + checkOwnerPassword: function PDF17_checkOwnerPassword(password, + ownerValidationSalt, + userBytes, + ownerPassword) { + var hashData = new Uint8Array(password.length + 56); + hashData.set(password, 0); + hashData.set(ownerValidationSalt, password.length); + hashData.set(userBytes, password.length + ownerValidationSalt.length); + var result = calculateSHA256(hashData, 0, hashData.length); + return compareByteArrays(result, ownerPassword); + }, + checkUserPassword: function PDF17_checkUserPassword(password, + userValidationSalt, + userPassword) { + var hashData = new Uint8Array(password.length + 8); + hashData.set(password, 0); + hashData.set(userValidationSalt, password.length); + var result = calculateSHA256(hashData, 0, hashData.length); + return compareByteArrays(result, userPassword); + }, + getOwnerKey: function PDF17_getOwnerKey(password, ownerKeySalt, userBytes, + ownerEncryption) { + var hashData = new Uint8Array(password.length + 56); + hashData.set(password, 0); + hashData.set(ownerKeySalt, password.length); + hashData.set(userBytes, password.length + ownerKeySalt.length); + var key = calculateSHA256(hashData, 0, hashData.length); + var cipher = new AES256Cipher(key); + return cipher.decryptBlock(ownerEncryption, + false, + new Uint8Array(16)); + + }, + getUserKey: function PDF17_getUserKey(password, userKeySalt, + userEncryption) { + var hashData = new Uint8Array(password.length + 8); + hashData.set(password, 0); + hashData.set(userKeySalt, password.length); + //key is the decryption key for the UE string + var key = calculateSHA256(hashData, 0, hashData.length); + var cipher = new AES256Cipher(key); + return cipher.decryptBlock(userEncryption, + false, + new Uint8Array(16)); + } + }; + return PDF17; +})(); + +var PDF20 = (function PDF20Closure() { + + function concatArrays(array1, array2) { + var t = new Uint8Array(array1.length + array2.length); + t.set(array1, 0); + t.set(array2, array1.length); + return t; + } + + function calculatePDF20Hash(password, input, userBytes) { + //This refers to Algorithm 2.B as defined in ISO 32000-2 + var k = calculateSHA256(input, 0, input.length).subarray(0, 32); + var e = [0]; + var i = 0; + while (i < 64 || e[e.length - 1] > i - 32) { + var arrayLength = password.length + k.length + userBytes.length; + + var k1 = new Uint8Array(arrayLength * 64); + var array = concatArrays(password, k); + array = concatArrays(array, userBytes); + for (var j = 0, pos = 0; j < 64; j++, pos += arrayLength) { + k1.set(array, pos); + } + //AES128 CBC NO PADDING with + //first 16 bytes of k as the key and the second 16 as the iv. + var cipher = new AES128Cipher(k.subarray(0, 16)); + e = cipher.encrypt(k1, k.subarray(16, 32)); + //Now we have to take the first 16 bytes of an unsigned + //big endian integer... and compute the remainder + //modulo 3.... That is a fairly large number and + //JavaScript isn't going to handle that well... + //So we're using a trick that allows us to perform + //modulo math byte by byte + var remainder = 0; + for (var z = 0; z < 16; z++) { + remainder *= (256 % 3); + remainder %= 3; + remainder += ((e[z] >>> 0) % 3); + remainder %= 3; + } + if (remainder === 0) { + k = calculateSHA256(e, 0, e.length); + } + else if (remainder === 1) { + k = calculateSHA384(e, 0, e.length); + } + else if (remainder === 2) { + k = calculateSHA512(e, 0, e.length); + } + i++; + } + return k.subarray(0, 32); + } + + function PDF20() { + } + + function compareByteArrays(array1, array2) { + if (array1.length !== array2.length) { + return false; + } + for (var i = 0; i < array1.length; i++) { + if (array1[i] !== array2[i]) { + return false; + } + } + return true; + } + + PDF20.prototype = { + hash: function PDF20_hash(password, concatBytes, userBytes) { + return calculatePDF20Hash(password, concatBytes, userBytes); + }, + checkOwnerPassword: function PDF20_checkOwnerPassword(password, + ownerValidationSalt, + userBytes, + ownerPassword) { + var hashData = new Uint8Array(password.length + 56); + hashData.set(password, 0); + hashData.set(ownerValidationSalt, password.length); + hashData.set(userBytes, password.length + ownerValidationSalt.length); + var result = calculatePDF20Hash(password, hashData, userBytes); + return compareByteArrays(result, ownerPassword); + }, + checkUserPassword: function PDF20_checkUserPassword(password, + userValidationSalt, + userPassword) { + var hashData = new Uint8Array(password.length + 8); + hashData.set(password, 0); + hashData.set(userValidationSalt, password.length); + var result = calculatePDF20Hash(password, hashData, []); + return compareByteArrays(result, userPassword); + }, + getOwnerKey: function PDF20_getOwnerKey(password, ownerKeySalt, userBytes, + ownerEncryption) { + var hashData = new Uint8Array(password.length + 56); + hashData.set(password, 0); + hashData.set(ownerKeySalt, password.length); + hashData.set(userBytes, password.length + ownerKeySalt.length); + var key = calculatePDF20Hash(password, hashData, userBytes); + var cipher = new AES256Cipher(key); + return cipher.decryptBlock(ownerEncryption, + false, + new Uint8Array(16)); + + }, + getUserKey: function PDF20_getUserKey(password, userKeySalt, + userEncryption) { + var hashData = new Uint8Array(password.length + 8); + hashData.set(password, 0); + hashData.set(userKeySalt, password.length); + //key is the decryption key for the UE string + var key = calculatePDF20Hash(password, hashData, []); + var cipher = new AES256Cipher(key); + return cipher.decryptBlock(userEncryption, + false, + new Uint8Array(16)); + } + }; + return PDF20; +})(); + +var CipherTransform = (function CipherTransformClosure() { + function CipherTransform(stringCipherConstructor, streamCipherConstructor) { + this.stringCipherConstructor = stringCipherConstructor; + this.streamCipherConstructor = streamCipherConstructor; + } + + CipherTransform.prototype = { + createStream: function CipherTransform_createStream(stream, length) { + var cipher = new this.streamCipherConstructor(); + return new DecryptStream(stream, length, + function cipherTransformDecryptStream(data, finalize) { + return cipher.decryptBlock(data, finalize); + } + ); + }, + decryptString: function CipherTransform_decryptString(s) { + var cipher = new this.stringCipherConstructor(); + var data = stringToBytes(s); + data = cipher.decryptBlock(data, true); + return bytesToString(data); + } + }; + return CipherTransform; +})(); + +var CipherTransformFactory = (function CipherTransformFactoryClosure() { + var defaultPasswordBytes = new Uint8Array([ + 0x28, 0xBF, 0x4E, 0x5E, 0x4E, 0x75, 0x8A, 0x41, + 0x64, 0x00, 0x4E, 0x56, 0xFF, 0xFA, 0x01, 0x08, + 0x2E, 0x2E, 0x00, 0xB6, 0xD0, 0x68, 0x3E, 0x80, + 0x2F, 0x0C, 0xA9, 0xFE, 0x64, 0x53, 0x69, 0x7A]); + + function createEncryptionKey20(revision, password, ownerPassword, + ownerValidationSalt, ownerKeySalt, uBytes, + userPassword, userValidationSalt, userKeySalt, + ownerEncryption, userEncryption, perms) { + if (password) { + var passwordLength = Math.min(127, password.length); + password = password.subarray(0, passwordLength); + } else { + password = []; + } + var pdfAlgorithm; + if (revision === 6) { + pdfAlgorithm = new PDF20(); + } else { + pdfAlgorithm = new PDF17(); + } + + if (pdfAlgorithm) { + if (pdfAlgorithm.checkUserPassword(password, userValidationSalt, + userPassword)) { + return pdfAlgorithm.getUserKey(password, userKeySalt, userEncryption); + } else if (password.length && pdfAlgorithm.checkOwnerPassword(password, + ownerValidationSalt, + uBytes, + ownerPassword)) { + return pdfAlgorithm.getOwnerKey(password, ownerKeySalt, uBytes, + ownerEncryption); + } + } + + return null; + } + + function prepareKeyData(fileId, password, ownerPassword, userPassword, + flags, revision, keyLength, encryptMetadata) { + var hashDataSize = 40 + ownerPassword.length + fileId.length; + var hashData = new Uint8Array(hashDataSize), i = 0, j, n; + if (password) { + n = Math.min(32, password.length); + for (; i < n; ++i) { + hashData[i] = password[i]; + } + } + j = 0; + while (i < 32) { + hashData[i++] = defaultPasswordBytes[j++]; + } + // as now the padded password in the hashData[0..i] + for (j = 0, n = ownerPassword.length; j < n; ++j) { + hashData[i++] = ownerPassword[j]; + } + hashData[i++] = flags & 0xFF; + hashData[i++] = (flags >> 8) & 0xFF; + hashData[i++] = (flags >> 16) & 0xFF; + hashData[i++] = (flags >>> 24) & 0xFF; + for (j = 0, n = fileId.length; j < n; ++j) { + hashData[i++] = fileId[j]; + } + if (revision >= 4 && !encryptMetadata) { + hashData[i++] = 0xFF; + hashData[i++] = 0xFF; + hashData[i++] = 0xFF; + hashData[i++] = 0xFF; + } + var hash = calculateMD5(hashData, 0, i); + var keyLengthInBytes = keyLength >> 3; + if (revision >= 3) { + for (j = 0; j < 50; ++j) { + hash = calculateMD5(hash, 0, keyLengthInBytes); + } + } + var encryptionKey = hash.subarray(0, keyLengthInBytes); + var cipher, checkData; + + if (revision >= 3) { + for (i = 0; i < 32; ++i) { + hashData[i] = defaultPasswordBytes[i]; + } + for (j = 0, n = fileId.length; j < n; ++j) { + hashData[i++] = fileId[j]; + } + cipher = new ARCFourCipher(encryptionKey); + checkData = cipher.encryptBlock(calculateMD5(hashData, 0, i)); + n = encryptionKey.length; + var derivedKey = new Uint8Array(n), k; + for (j = 1; j <= 19; ++j) { + for (k = 0; k < n; ++k) { + derivedKey[k] = encryptionKey[k] ^ j; + } + cipher = new ARCFourCipher(derivedKey); + checkData = cipher.encryptBlock(checkData); + } + for (j = 0, n = checkData.length; j < n; ++j) { + if (userPassword[j] !== checkData[j]) { + return null; + } + } + } else { + cipher = new ARCFourCipher(encryptionKey); + checkData = cipher.encryptBlock(defaultPasswordBytes); + for (j = 0, n = checkData.length; j < n; ++j) { + if (userPassword[j] !== checkData[j]) { + return null; + } + } + } + return encryptionKey; + } + + function decodeUserPassword(password, ownerPassword, revision, keyLength) { + var hashData = new Uint8Array(32), i = 0, j, n; + n = Math.min(32, password.length); + for (; i < n; ++i) { + hashData[i] = password[i]; + } + j = 0; + while (i < 32) { + hashData[i++] = defaultPasswordBytes[j++]; + } + var hash = calculateMD5(hashData, 0, i); + var keyLengthInBytes = keyLength >> 3; + if (revision >= 3) { + for (j = 0; j < 50; ++j) { + hash = calculateMD5(hash, 0, hash.length); + } + } + + var cipher, userPassword; + if (revision >= 3) { + userPassword = ownerPassword; + var derivedKey = new Uint8Array(keyLengthInBytes), k; + for (j = 19; j >= 0; j--) { + for (k = 0; k < keyLengthInBytes; ++k) { + derivedKey[k] = hash[k] ^ j; + } + cipher = new ARCFourCipher(derivedKey); + userPassword = cipher.encryptBlock(userPassword); + } + } else { + cipher = new ARCFourCipher(hash.subarray(0, keyLengthInBytes)); + userPassword = cipher.encryptBlock(ownerPassword); + } + return userPassword; + } + + var identityName = Name.get('Identity'); + + function CipherTransformFactory(dict, fileId, password) { + var filter = dict.get('Filter'); + if (!isName(filter) || filter.name !== 'Standard') { + error('unknown encryption method'); + } + this.dict = dict; + var algorithm = dict.get('V'); + if (!isInt(algorithm) || + (algorithm !== 1 && algorithm !== 2 && algorithm !== 4 && + algorithm !== 5)) { + error('unsupported encryption algorithm'); + } + this.algorithm = algorithm; + var keyLength = dict.get('Length'); + if (!keyLength) { + // Spec asks to rely on encryption dictionary's Length entry, however + // some PDFs don't have it. Trying to recover. + if (algorithm <= 3) { + // For 1 and 2 it's fixed to 40-bit, for 3 40-bit is a minimal value. + keyLength = 40; + } else { + // Trying to find default handler -- it usually has Length. + var cfDict = dict.get('CF'); + var streamCryptoName = dict.get('StmF'); + if (isDict(cfDict) && isName(streamCryptoName)) { + var handlerDict = cfDict.get(streamCryptoName.name); + keyLength = (handlerDict && handlerDict.get('Length')) || 128; + if (keyLength < 40) { + // Sometimes it's incorrect value of bits, generators specify bytes. + keyLength <<= 3; + } + } + } + } + if (!isInt(keyLength) || + keyLength < 40 || (keyLength % 8) !== 0) { + error('invalid key length'); + } + + // prepare keys + var ownerPassword = stringToBytes(dict.get('O')).subarray(0, 32); + var userPassword = stringToBytes(dict.get('U')).subarray(0, 32); + var flags = dict.get('P'); + var revision = dict.get('R'); + // meaningful when V is 4 or 5 + var encryptMetadata = ((algorithm === 4 || algorithm === 5) && + dict.get('EncryptMetadata') !== false); + this.encryptMetadata = encryptMetadata; + + var fileIdBytes = stringToBytes(fileId); + var passwordBytes; + if (password) { + if (revision === 6) { + try { + password = utf8StringToString(password); + } catch (ex) { + warn('CipherTransformFactory: ' + + 'Unable to convert UTF8 encoded password.'); + } + } + passwordBytes = stringToBytes(password); + } + + var encryptionKey; + if (algorithm !== 5) { + encryptionKey = prepareKeyData(fileIdBytes, passwordBytes, + ownerPassword, userPassword, flags, + revision, keyLength, encryptMetadata); + } + else { + var ownerValidationSalt = stringToBytes(dict.get('O')).subarray(32, 40); + var ownerKeySalt = stringToBytes(dict.get('O')).subarray(40, 48); + var uBytes = stringToBytes(dict.get('U')).subarray(0, 48); + var userValidationSalt = stringToBytes(dict.get('U')).subarray(32, 40); + var userKeySalt = stringToBytes(dict.get('U')).subarray(40, 48); + var ownerEncryption = stringToBytes(dict.get('OE')); + var userEncryption = stringToBytes(dict.get('UE')); + var perms = stringToBytes(dict.get('Perms')); + encryptionKey = + createEncryptionKey20(revision, passwordBytes, + ownerPassword, ownerValidationSalt, + ownerKeySalt, uBytes, + userPassword, userValidationSalt, + userKeySalt, ownerEncryption, + userEncryption, perms); + } + if (!encryptionKey && !password) { + throw new PasswordException('No password given', + PasswordResponses.NEED_PASSWORD); + } else if (!encryptionKey && password) { + // Attempting use the password as an owner password + var decodedPassword = decodeUserPassword(passwordBytes, ownerPassword, + revision, keyLength); + encryptionKey = prepareKeyData(fileIdBytes, decodedPassword, + ownerPassword, userPassword, flags, + revision, keyLength, encryptMetadata); + } + + if (!encryptionKey) { + throw new PasswordException('Incorrect Password', + PasswordResponses.INCORRECT_PASSWORD); + } + + this.encryptionKey = encryptionKey; + + if (algorithm >= 4) { + this.cf = dict.get('CF'); + this.stmf = dict.get('StmF') || identityName; + this.strf = dict.get('StrF') || identityName; + this.eff = dict.get('EFF') || this.stmf; + } + } + + function buildObjectKey(num, gen, encryptionKey, isAes) { + var key = new Uint8Array(encryptionKey.length + 9), i, n; + for (i = 0, n = encryptionKey.length; i < n; ++i) { + key[i] = encryptionKey[i]; + } + key[i++] = num & 0xFF; + key[i++] = (num >> 8) & 0xFF; + key[i++] = (num >> 16) & 0xFF; + key[i++] = gen & 0xFF; + key[i++] = (gen >> 8) & 0xFF; + if (isAes) { + key[i++] = 0x73; + key[i++] = 0x41; + key[i++] = 0x6C; + key[i++] = 0x54; + } + var hash = calculateMD5(key, 0, i); + return hash.subarray(0, Math.min(encryptionKey.length + 5, 16)); + } + + function buildCipherConstructor(cf, name, num, gen, key) { + var cryptFilter = cf.get(name.name); + var cfm; + if (cryptFilter !== null && cryptFilter !== undefined) { + cfm = cryptFilter.get('CFM'); + } + if (!cfm || cfm.name === 'None') { + return function cipherTransformFactoryBuildCipherConstructorNone() { + return new NullCipher(); + }; + } + if ('V2' === cfm.name) { + return function cipherTransformFactoryBuildCipherConstructorV2() { + return new ARCFourCipher(buildObjectKey(num, gen, key, false)); + }; + } + if ('AESV2' === cfm.name) { + return function cipherTransformFactoryBuildCipherConstructorAESV2() { + return new AES128Cipher(buildObjectKey(num, gen, key, true)); + }; + } + if ('AESV3' === cfm.name) { + return function cipherTransformFactoryBuildCipherConstructorAESV3() { + return new AES256Cipher(key); + }; + } + error('Unknown crypto method'); + } + + CipherTransformFactory.prototype = { + createCipherTransform: + function CipherTransformFactory_createCipherTransform(num, gen) { + if (this.algorithm === 4 || this.algorithm === 5) { + return new CipherTransform( + buildCipherConstructor(this.cf, this.stmf, + num, gen, this.encryptionKey), + buildCipherConstructor(this.cf, this.strf, + num, gen, this.encryptionKey)); + } + // algorithms 1 and 2 + var key = buildObjectKey(num, gen, this.encryptionKey, false); + var cipherConstructor = function buildCipherCipherConstructor() { + return new ARCFourCipher(key); + }; + return new CipherTransform(cipherConstructor, cipherConstructor); + } + }; + + return CipherTransformFactory; +})(); + +exports.AES128Cipher = AES128Cipher; +exports.AES256Cipher = AES256Cipher; +exports.ARCFourCipher = ARCFourCipher; +exports.CipherTransformFactory = CipherTransformFactory; +exports.PDF17 = PDF17; +exports.PDF20 = PDF20; +exports.calculateMD5 = calculateMD5; +exports.calculateSHA256 = calculateSHA256; +exports.calculateSHA384 = calculateSHA384; +exports.calculateSHA512 = calculateSHA512; +})); + +(function (root, factory) { + { + factory((root.pdfjsCoreFontRenderer = {}), root.pdfjsSharedUtil, + root.pdfjsCoreStream, root.pdfjsCoreGlyphList); + } +}(this, function (exports, sharedUtil, coreStream, coreGlyphList) { + +var Util = sharedUtil.Util; +var bytesToString = sharedUtil.bytesToString; +var error = sharedUtil.error; +var Stream = coreStream.Stream; +var GlyphsUnicode = coreGlyphList.GlyphsUnicode; + +var coreFonts; // see _setCoreFonts below +var CFFParser; // = coreFonts.CFFParser; +var Encodings; // = coreFonts.Encodings; + +var FontRendererFactory = (function FontRendererFactoryClosure() { + function getLong(data, offset) { + return (data[offset] << 24) | (data[offset + 1] << 16) | + (data[offset + 2] << 8) | data[offset + 3]; + } + + function getUshort(data, offset) { + return (data[offset] << 8) | data[offset + 1]; + } + + function parseCmap(data, start, end) { + var offset = (getUshort(data, start + 2) === 1 ? + getLong(data, start + 8) : getLong(data, start + 16)); + var format = getUshort(data, start + offset); + var length, ranges, p, i; + if (format === 4) { + length = getUshort(data, start + offset + 2); + var segCount = getUshort(data, start + offset + 6) >> 1; + p = start + offset + 14; + ranges = []; + for (i = 0; i < segCount; i++, p += 2) { + ranges[i] = {end: getUshort(data, p)}; + } + p += 2; + for (i = 0; i < segCount; i++, p += 2) { + ranges[i].start = getUshort(data, p); + } + for (i = 0; i < segCount; i++, p += 2) { + ranges[i].idDelta = getUshort(data, p); + } + for (i = 0; i < segCount; i++, p += 2) { + var idOffset = getUshort(data, p); + if (idOffset === 0) { + continue; + } + ranges[i].ids = []; + for (var j = 0, jj = ranges[i].end - ranges[i].start + 1; j < jj; j++) { + ranges[i].ids[j] = getUshort(data, p + idOffset); + idOffset += 2; + } + } + return ranges; + } else if (format === 12) { + length = getLong(data, start + offset + 4); + var groups = getLong(data, start + offset + 12); + p = start + offset + 16; + ranges = []; + for (i = 0; i < groups; i++) { + ranges.push({ + start: getLong(data, p), + end: getLong(data, p + 4), + idDelta: getLong(data, p + 8) - getLong(data, p) + }); + p += 12; + } + return ranges; + } + error('not supported cmap: ' + format); + } + + function parseCff(data, start, end) { + var properties = {}; + var parser = new CFFParser(new Stream(data, start, end - start), + properties); + var cff = parser.parse(); + return { + glyphs: cff.charStrings.objects, + subrs: (cff.topDict.privateDict && cff.topDict.privateDict.subrsIndex && + cff.topDict.privateDict.subrsIndex.objects), + gsubrs: cff.globalSubrIndex && cff.globalSubrIndex.objects + }; + } + + function parseGlyfTable(glyf, loca, isGlyphLocationsLong) { + var itemSize, itemDecode; + if (isGlyphLocationsLong) { + itemSize = 4; + itemDecode = function fontItemDecodeLong(data, offset) { + return (data[offset] << 24) | (data[offset + 1] << 16) | + (data[offset + 2] << 8) | data[offset + 3]; + }; + } else { + itemSize = 2; + itemDecode = function fontItemDecode(data, offset) { + return (data[offset] << 9) | (data[offset + 1] << 1); + }; + } + var glyphs = []; + var startOffset = itemDecode(loca, 0); + for (var j = itemSize; j < loca.length; j += itemSize) { + var endOffset = itemDecode(loca, j); + glyphs.push(glyf.subarray(startOffset, endOffset)); + startOffset = endOffset; + } + return glyphs; + } + + function lookupCmap(ranges, unicode) { + var code = unicode.charCodeAt(0); + var l = 0, r = ranges.length - 1; + while (l < r) { + var c = (l + r + 1) >> 1; + if (code < ranges[c].start) { + r = c - 1; + } else { + l = c; + } + } + if (ranges[l].start <= code && code <= ranges[l].end) { + return (ranges[l].idDelta + (ranges[l].ids ? + ranges[l].ids[code - ranges[l].start] : code)) & 0xFFFF; + } + return 0; + } + + function compileGlyf(code, cmds, font) { + function moveTo(x, y) { + cmds.push({cmd: 'moveTo', args: [x, y]}); + } + function lineTo(x, y) { + cmds.push({cmd: 'lineTo', args: [x, y]}); + } + function quadraticCurveTo(xa, ya, x, y) { + cmds.push({cmd: 'quadraticCurveTo', args: [xa, ya, x, y]}); + } + + var i = 0; + var numberOfContours = ((code[i] << 24) | (code[i + 1] << 16)) >> 16; + var flags; + var x = 0, y = 0; + i += 10; + if (numberOfContours < 0) { + // composite glyph + do { + flags = (code[i] << 8) | code[i + 1]; + var glyphIndex = (code[i + 2] << 8) | code[i + 3]; + i += 4; + var arg1, arg2; + if ((flags & 0x01)) { + arg1 = ((code[i] << 24) | (code[i + 1] << 16)) >> 16; + arg2 = ((code[i + 2] << 24) | (code[i + 3] << 16)) >> 16; + i += 4; + } else { + arg1 = code[i++]; arg2 = code[i++]; + } + if ((flags & 0x02)) { + x = arg1; + y = arg2; + } else { + x = 0; y = 0; // TODO "they are points" ? + } + var scaleX = 1, scaleY = 1, scale01 = 0, scale10 = 0; + if ((flags & 0x08)) { + scaleX = + scaleY = ((code[i] << 24) | (code[i + 1] << 16)) / 1073741824; + i += 2; + } else if ((flags & 0x40)) { + scaleX = ((code[i] << 24) | (code[i + 1] << 16)) / 1073741824; + scaleY = ((code[i + 2] << 24) | (code[i + 3] << 16)) / 1073741824; + i += 4; + } else if ((flags & 0x80)) { + scaleX = ((code[i] << 24) | (code[i + 1] << 16)) / 1073741824; + scale01 = ((code[i + 2] << 24) | (code[i + 3] << 16)) / 1073741824; + scale10 = ((code[i + 4] << 24) | (code[i + 5] << 16)) / 1073741824; + scaleY = ((code[i + 6] << 24) | (code[i + 7] << 16)) / 1073741824; + i += 8; + } + var subglyph = font.glyphs[glyphIndex]; + if (subglyph) { + cmds.push({cmd: 'save'}); + cmds.push({cmd: 'transform', + args: [scaleX, scale01, scale10, scaleY, x, y]}); + compileGlyf(subglyph, cmds, font); + cmds.push({cmd: 'restore'}); + } + } while ((flags & 0x20)); + } else { + // simple glyph + var endPtsOfContours = []; + var j, jj; + for (j = 0; j < numberOfContours; j++) { + endPtsOfContours.push((code[i] << 8) | code[i + 1]); + i += 2; + } + var instructionLength = (code[i] << 8) | code[i + 1]; + i += 2 + instructionLength; // skipping the instructions + var numberOfPoints = endPtsOfContours[endPtsOfContours.length - 1] + 1; + var points = []; + while (points.length < numberOfPoints) { + flags = code[i++]; + var repeat = 1; + if ((flags & 0x08)) { + repeat += code[i++]; + } + while (repeat-- > 0) { + points.push({flags: flags}); + } + } + for (j = 0; j < numberOfPoints; j++) { + switch (points[j].flags & 0x12) { + case 0x00: + x += ((code[i] << 24) | (code[i + 1] << 16)) >> 16; + i += 2; + break; + case 0x02: + x -= code[i++]; + break; + case 0x12: + x += code[i++]; + break; + } + points[j].x = x; + } + for (j = 0; j < numberOfPoints; j++) { + switch (points[j].flags & 0x24) { + case 0x00: + y += ((code[i] << 24) | (code[i + 1] << 16)) >> 16; + i += 2; + break; + case 0x04: + y -= code[i++]; + break; + case 0x24: + y += code[i++]; + break; + } + points[j].y = y; + } + + var startPoint = 0; + for (i = 0; i < numberOfContours; i++) { + var endPoint = endPtsOfContours[i]; + // contours might have implicit points, which is located in the middle + // between two neighboring off-curve points + var contour = points.slice(startPoint, endPoint + 1); + if ((contour[0].flags & 1)) { + contour.push(contour[0]); // using start point at the contour end + } else if ((contour[contour.length - 1].flags & 1)) { + // first is off-curve point, trying to use one from the end + contour.unshift(contour[contour.length - 1]); + } else { + // start and end are off-curve points, creating implicit one + var p = { + flags: 1, + x: (contour[0].x + contour[contour.length - 1].x) / 2, + y: (contour[0].y + contour[contour.length - 1].y) / 2 + }; + contour.unshift(p); + contour.push(p); + } + moveTo(contour[0].x, contour[0].y); + for (j = 1, jj = contour.length; j < jj; j++) { + if ((contour[j].flags & 1)) { + lineTo(contour[j].x, contour[j].y); + } else if ((contour[j + 1].flags & 1)){ + quadraticCurveTo(contour[j].x, contour[j].y, + contour[j + 1].x, contour[j + 1].y); + j++; + } else { + quadraticCurveTo(contour[j].x, contour[j].y, + (contour[j].x + contour[j + 1].x) / 2, + (contour[j].y + contour[j + 1].y) / 2); + } + } + startPoint = endPoint + 1; + } + } + } + + function compileCharString(code, cmds, font) { + var stack = []; + var x = 0, y = 0; + var stems = 0; + + function moveTo(x, y) { + cmds.push({cmd: 'moveTo', args: [x, y]}); + } + function lineTo(x, y) { + cmds.push({cmd: 'lineTo', args: [x, y]}); + } + function bezierCurveTo(x1, y1, x2, y2, x, y) { + cmds.push({cmd: 'bezierCurveTo', args: [x1, y1, x2, y2, x, y]}); + } + + function parse(code) { + var i = 0; + while (i < code.length) { + var stackClean = false; + var v = code[i++]; + var xa, xb, ya, yb, y1, y2, y3, n, subrCode; + switch (v) { + case 1: // hstem + stems += stack.length >> 1; + stackClean = true; + break; + case 3: // vstem + stems += stack.length >> 1; + stackClean = true; + break; + case 4: // vmoveto + y += stack.pop(); + moveTo(x, y); + stackClean = true; + break; + case 5: // rlineto + while (stack.length > 0) { + x += stack.shift(); + y += stack.shift(); + lineTo(x, y); + } + break; + case 6: // hlineto + while (stack.length > 0) { + x += stack.shift(); + lineTo(x, y); + if (stack.length === 0) { + break; + } + y += stack.shift(); + lineTo(x, y); + } + break; + case 7: // vlineto + while (stack.length > 0) { + y += stack.shift(); + lineTo(x, y); + if (stack.length === 0) { + break; + } + x += stack.shift(); + lineTo(x, y); + } + break; + case 8: // rrcurveto + while (stack.length > 0) { + xa = x + stack.shift(); ya = y + stack.shift(); + xb = xa + stack.shift(); yb = ya + stack.shift(); + x = xb + stack.shift(); y = yb + stack.shift(); + bezierCurveTo(xa, ya, xb, yb, x, y); + } + break; + case 10: // callsubr + n = stack.pop() + font.subrsBias; + subrCode = font.subrs[n]; + if (subrCode) { + parse(subrCode); + } + break; + case 11: // return + return; + case 12: + v = code[i++]; + switch (v) { + case 34: // flex + xa = x + stack.shift(); + xb = xa + stack.shift(); y1 = y + stack.shift(); + x = xb + stack.shift(); + bezierCurveTo(xa, y, xb, y1, x, y1); + xa = x + stack.shift(); + xb = xa + stack.shift(); + x = xb + stack.shift(); + bezierCurveTo(xa, y1, xb, y, x, y); + break; + case 35: // flex + xa = x + stack.shift(); ya = y + stack.shift(); + xb = xa + stack.shift(); yb = ya + stack.shift(); + x = xb + stack.shift(); y = yb + stack.shift(); + bezierCurveTo(xa, ya, xb, yb, x, y); + xa = x + stack.shift(); ya = y + stack.shift(); + xb = xa + stack.shift(); yb = ya + stack.shift(); + x = xb + stack.shift(); y = yb + stack.shift(); + bezierCurveTo(xa, ya, xb, yb, x, y); + stack.pop(); // fd + break; + case 36: // hflex1 + xa = x + stack.shift(); y1 = y + stack.shift(); + xb = xa + stack.shift(); y2 = y1 + stack.shift(); + x = xb + stack.shift(); + bezierCurveTo(xa, y1, xb, y2, x, y2); + xa = x + stack.shift(); + xb = xa + stack.shift(); y3 = y2 + stack.shift(); + x = xb + stack.shift(); + bezierCurveTo(xa, y2, xb, y3, x, y); + break; + case 37: // flex1 + var x0 = x, y0 = y; + xa = x + stack.shift(); ya = y + stack.shift(); + xb = xa + stack.shift(); yb = ya + stack.shift(); + x = xb + stack.shift(); y = yb + stack.shift(); + bezierCurveTo(xa, ya, xb, yb, x, y); + xa = x + stack.shift(); ya = y + stack.shift(); + xb = xa + stack.shift(); yb = ya + stack.shift(); + x = xb; y = yb; + if (Math.abs(x - x0) > Math.abs(y - y0)) { + x += stack.shift(); + } else { + y += stack.shift(); + } + bezierCurveTo(xa, ya, xb, yb, x, y); + break; + default: + error('unknown operator: 12 ' + v); + } + break; + case 14: // endchar + if (stack.length >= 4) { + var achar = stack.pop(); + var bchar = stack.pop(); + y = stack.pop(); + x = stack.pop(); + cmds.push({cmd: 'save'}); + cmds.push({cmd: 'translate', args: [x, y]}); + var gid = lookupCmap(font.cmap, String.fromCharCode( + font.glyphNameMap[Encodings.StandardEncoding[achar]])); + compileCharString(font.glyphs[gid], cmds, font); + cmds.push({cmd: 'restore'}); + + gid = lookupCmap(font.cmap, String.fromCharCode( + font.glyphNameMap[Encodings.StandardEncoding[bchar]])); + compileCharString(font.glyphs[gid], cmds, font); + } + return; + case 18: // hstemhm + stems += stack.length >> 1; + stackClean = true; + break; + case 19: // hintmask + stems += stack.length >> 1; + i += (stems + 7) >> 3; + stackClean = true; + break; + case 20: // cntrmask + stems += stack.length >> 1; + i += (stems + 7) >> 3; + stackClean = true; + break; + case 21: // rmoveto + y += stack.pop(); + x += stack.pop(); + moveTo(x, y); + stackClean = true; + break; + case 22: // hmoveto + x += stack.pop(); + moveTo(x, y); + stackClean = true; + break; + case 23: // vstemhm + stems += stack.length >> 1; + stackClean = true; + break; + case 24: // rcurveline + while (stack.length > 2) { + xa = x + stack.shift(); ya = y + stack.shift(); + xb = xa + stack.shift(); yb = ya + stack.shift(); + x = xb + stack.shift(); y = yb + stack.shift(); + bezierCurveTo(xa, ya, xb, yb, x, y); + } + x += stack.shift(); + y += stack.shift(); + lineTo(x, y); + break; + case 25: // rlinecurve + while (stack.length > 6) { + x += stack.shift(); + y += stack.shift(); + lineTo(x, y); + } + xa = x + stack.shift(); ya = y + stack.shift(); + xb = xa + stack.shift(); yb = ya + stack.shift(); + x = xb + stack.shift(); y = yb + stack.shift(); + bezierCurveTo(xa, ya, xb, yb, x, y); + break; + case 26: // vvcurveto + if (stack.length % 2) { + x += stack.shift(); + } + while (stack.length > 0) { + xa = x; ya = y + stack.shift(); + xb = xa + stack.shift(); yb = ya + stack.shift(); + x = xb; y = yb + stack.shift(); + bezierCurveTo(xa, ya, xb, yb, x, y); + } + break; + case 27: // hhcurveto + if (stack.length % 2) { + y += stack.shift(); + } + while (stack.length > 0) { + xa = x + stack.shift(); ya = y; + xb = xa + stack.shift(); yb = ya + stack.shift(); + x = xb + stack.shift(); y = yb; + bezierCurveTo(xa, ya, xb, yb, x, y); + } + break; + case 28: + stack.push(((code[i] << 24) | (code[i + 1] << 16)) >> 16); + i += 2; + break; + case 29: // callgsubr + n = stack.pop() + font.gsubrsBias; + subrCode = font.gsubrs[n]; + if (subrCode) { + parse(subrCode); + } + break; + case 30: // vhcurveto + while (stack.length > 0) { + xa = x; ya = y + stack.shift(); + xb = xa + stack.shift(); yb = ya + stack.shift(); + x = xb + stack.shift(); + y = yb + (stack.length === 1 ? stack.shift() : 0); + bezierCurveTo(xa, ya, xb, yb, x, y); + if (stack.length === 0) { + break; + } + + xa = x + stack.shift(); ya = y; + xb = xa + stack.shift(); yb = ya + stack.shift(); + y = yb + stack.shift(); + x = xb + (stack.length === 1 ? stack.shift() : 0); + bezierCurveTo(xa, ya, xb, yb, x, y); + } + break; + case 31: // hvcurveto + while (stack.length > 0) { + xa = x + stack.shift(); ya = y; + xb = xa + stack.shift(); yb = ya + stack.shift(); + y = yb + stack.shift(); + x = xb + (stack.length === 1 ? stack.shift() : 0); + bezierCurveTo(xa, ya, xb, yb, x, y); + if (stack.length === 0) { + break; + } + + xa = x; ya = y + stack.shift(); + xb = xa + stack.shift(); yb = ya + stack.shift(); + x = xb + stack.shift(); + y = yb + (stack.length === 1 ? stack.shift() : 0); + bezierCurveTo(xa, ya, xb, yb, x, y); + } + break; + default: + if (v < 32) { + error('unknown operator: ' + v); + } + if (v < 247) { + stack.push(v - 139); + } else if (v < 251) { + stack.push((v - 247) * 256 + code[i++] + 108); + } else if (v < 255) { + stack.push(-(v - 251) * 256 - code[i++] - 108); + } else { + stack.push(((code[i] << 24) | (code[i + 1] << 16) | + (code[i + 2] << 8) | code[i + 3]) / 65536); + i += 4; + } + break; + } + if (stackClean) { + stack.length = 0; + } + } + } + parse(code); + } + + var noop = ''; + + function CompiledFont(fontMatrix) { + this.compiledGlyphs = {}; + this.fontMatrix = fontMatrix; + } + CompiledFont.prototype = { + getPathJs: function (unicode) { + var gid = lookupCmap(this.cmap, unicode); + var fn = this.compiledGlyphs[gid]; + if (!fn) { + this.compiledGlyphs[gid] = fn = this.compileGlyph(this.glyphs[gid]); + } + return fn; + }, + + compileGlyph: function (code) { + if (!code || code.length === 0 || code[0] === 14) { + return noop; + } + + var cmds = []; + cmds.push({cmd: 'save'}); + cmds.push({cmd: 'transform', args: this.fontMatrix.slice()}); + cmds.push({cmd: 'scale', args: ['size', '-size']}); + + this.compileGlyphImpl(code, cmds); + + cmds.push({cmd: 'restore'}); + + return cmds; + }, + + compileGlyphImpl: function () { + error('Children classes should implement this.'); + }, + + hasBuiltPath: function (unicode) { + var gid = lookupCmap(this.cmap, unicode); + return gid in this.compiledGlyphs; + } + }; + + function TrueTypeCompiled(glyphs, cmap, fontMatrix) { + fontMatrix = fontMatrix || [0.000488, 0, 0, 0.000488, 0, 0]; + CompiledFont.call(this, fontMatrix); + + this.glyphs = glyphs; + this.cmap = cmap; + + this.compiledGlyphs = []; + } + + Util.inherit(TrueTypeCompiled, CompiledFont, { + compileGlyphImpl: function (code, cmds) { + compileGlyf(code, cmds, this); + } + }); + + function Type2Compiled(cffInfo, cmap, fontMatrix, glyphNameMap) { + fontMatrix = fontMatrix || [0.001, 0, 0, 0.001, 0, 0]; + CompiledFont.call(this, fontMatrix); + this.glyphs = cffInfo.glyphs; + this.gsubrs = cffInfo.gsubrs || []; + this.subrs = cffInfo.subrs || []; + this.cmap = cmap; + this.glyphNameMap = glyphNameMap || GlyphsUnicode; + + this.compiledGlyphs = []; + this.gsubrsBias = (this.gsubrs.length < 1240 ? + 107 : (this.gsubrs.length < 33900 ? 1131 : 32768)); + this.subrsBias = (this.subrs.length < 1240 ? + 107 : (this.subrs.length < 33900 ? 1131 : 32768)); + } + + Util.inherit(Type2Compiled, CompiledFont, { + compileGlyphImpl: function (code, cmds) { + compileCharString(code, cmds, this); + } + }); + + + return { + create: function FontRendererFactory_create(font) { + var data = new Uint8Array(font.data); + var cmap, glyf, loca, cff, indexToLocFormat, unitsPerEm; + var numTables = getUshort(data, 4); + for (var i = 0, p = 12; i < numTables; i++, p += 16) { + var tag = bytesToString(data.subarray(p, p + 4)); + var offset = getLong(data, p + 8); + var length = getLong(data, p + 12); + switch (tag) { + case 'cmap': + cmap = parseCmap(data, offset, offset + length); + break; + case 'glyf': + glyf = data.subarray(offset, offset + length); + break; + case 'loca': + loca = data.subarray(offset, offset + length); + break; + case 'head': + unitsPerEm = getUshort(data, offset + 18); + indexToLocFormat = getUshort(data, offset + 50); + break; + case 'CFF ': + cff = parseCff(data, offset, offset + length); + break; + } + } + + if (glyf) { + var fontMatrix = (!unitsPerEm ? font.fontMatrix : + [1 / unitsPerEm, 0, 0, 1 / unitsPerEm, 0, 0]); + return new TrueTypeCompiled( + parseGlyfTable(glyf, loca, indexToLocFormat), cmap, fontMatrix); + } else { + return new Type2Compiled(cff, cmap, font.fontMatrix, font.glyphNameMap); + } + } + }; +})(); + + +// TODO refactor to remove cyclic dependency on fonts.js +function _setCoreFonts(coreFonts_) { + coreFonts = coreFonts_; + Encodings = coreFonts_.Encodings; + CFFParser = coreFonts_.CFFParser; +} +exports._setCoreFonts = _setCoreFonts; + +exports.FontRendererFactory = FontRendererFactory; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreParser = {}), root.pdfjsSharedUtil, + root.pdfjsCorePrimitives, root.pdfjsCoreStream); + } +}(this, function (exports, sharedUtil, corePrimitives, coreStream) { + +var MissingDataException = sharedUtil.MissingDataException; +var StreamType = sharedUtil.StreamType; +var assert = sharedUtil.assert; +var error = sharedUtil.error; +var info = sharedUtil.info; +var isArray = sharedUtil.isArray; +var isInt = sharedUtil.isInt; +var isNum = sharedUtil.isNum; +var isString = sharedUtil.isString; +var warn = sharedUtil.warn; +var Cmd = corePrimitives.Cmd; +var Dict = corePrimitives.Dict; +var Name = corePrimitives.Name; +var Ref = corePrimitives.Ref; +var isCmd = corePrimitives.isCmd; +var isDict = corePrimitives.isDict; +var isName = corePrimitives.isName; +var Ascii85Stream = coreStream.Ascii85Stream; +var AsciiHexStream = coreStream.AsciiHexStream; +var CCITTFaxStream = coreStream.CCITTFaxStream; +var FlateStream = coreStream.FlateStream; +var Jbig2Stream = coreStream.Jbig2Stream; +var JpegStream = coreStream.JpegStream; +var JpxStream = coreStream.JpxStream; +var LZWStream = coreStream.LZWStream; +var NullStream = coreStream.NullStream; +var PredictorStream = coreStream.PredictorStream; +var RunLengthStream = coreStream.RunLengthStream; + +var EOF = {}; + +function isEOF(v) { + return (v === EOF); +} + +var MAX_LENGTH_TO_CACHE = 1000; + +var Parser = (function ParserClosure() { + function Parser(lexer, allowStreams, xref) { + this.lexer = lexer; + this.allowStreams = allowStreams; + this.xref = xref; + this.imageCache = {}; + this.refill(); + } + + Parser.prototype = { + refill: function Parser_refill() { + this.buf1 = this.lexer.getObj(); + this.buf2 = this.lexer.getObj(); + }, + shift: function Parser_shift() { + if (isCmd(this.buf2, 'ID')) { + this.buf1 = this.buf2; + this.buf2 = null; + } else { + this.buf1 = this.buf2; + this.buf2 = this.lexer.getObj(); + } + }, + tryShift: function Parser_tryShift() { + try { + this.shift(); + return true; + } catch (e) { + if (e instanceof MissingDataException) { + throw e; + } + // Upon failure, the caller should reset this.lexer.pos to a known good + // state and call this.shift() twice to reset the buffers. + return false; + } + }, + getObj: function Parser_getObj(cipherTransform) { + var buf1 = this.buf1; + this.shift(); + + if (buf1 instanceof Cmd) { + switch (buf1.cmd) { + case 'BI': // inline image + return this.makeInlineImage(cipherTransform); + case '[': // array + var array = []; + while (!isCmd(this.buf1, ']') && !isEOF(this.buf1)) { + array.push(this.getObj(cipherTransform)); + } + if (isEOF(this.buf1)) { + error('End of file inside array'); + } + this.shift(); + return array; + case '<<': // dictionary or stream + var dict = new Dict(this.xref); + while (!isCmd(this.buf1, '>>') && !isEOF(this.buf1)) { + if (!isName(this.buf1)) { + info('Malformed dictionary: key must be a name object'); + this.shift(); + continue; + } + + var key = this.buf1.name; + this.shift(); + if (isEOF(this.buf1)) { + break; + } + dict.set(key, this.getObj(cipherTransform)); + } + if (isEOF(this.buf1)) { + error('End of file inside dictionary'); + } + + // Stream objects are not allowed inside content streams or + // object streams. + if (isCmd(this.buf2, 'stream')) { + return (this.allowStreams ? + this.makeStream(dict, cipherTransform) : dict); + } + this.shift(); + return dict; + default: // simple object + return buf1; + } + } + + if (isInt(buf1)) { // indirect reference or integer + var num = buf1; + if (isInt(this.buf1) && isCmd(this.buf2, 'R')) { + var ref = new Ref(num, this.buf1); + this.shift(); + this.shift(); + return ref; + } + return num; + } + + if (isString(buf1)) { // string + var str = buf1; + if (cipherTransform) { + str = cipherTransform.decryptString(str); + } + return str; + } + + // simple object + return buf1; + }, + /** + * Find the end of the stream by searching for the /EI\s/. + * @returns {number} The inline stream length. + */ + findDefaultInlineStreamEnd: + function Parser_findDefaultInlineStreamEnd(stream) { + var E = 0x45, I = 0x49, SPACE = 0x20, LF = 0xA, CR = 0xD; + var startPos = stream.pos, state = 0, ch, i, n, followingBytes; + while ((ch = stream.getByte()) !== -1) { + if (state === 0) { + state = (ch === E) ? 1 : 0; + } else if (state === 1) { + state = (ch === I) ? 2 : 0; + } else { + assert(state === 2); + if (ch === SPACE || ch === LF || ch === CR) { + // Let's check the next five bytes are ASCII... just be sure. + n = 5; + followingBytes = stream.peekBytes(n); + for (i = 0; i < n; i++) { + ch = followingBytes[i]; + if (ch !== LF && ch !== CR && (ch < SPACE || ch > 0x7F)) { + // Not a LF, CR, SPACE or any visible ASCII character, i.e. + // it's binary stuff. Resetting the state. + state = 0; + break; + } + } + if (state === 2) { + break; // Finished! + } + } else { + state = 0; + } + } + } + return ((stream.pos - 4) - startPos); + }, + /** + * Find the EOI (end-of-image) marker 0xFFD9 of the stream. + * @returns {number} The inline stream length. + */ + findDCTDecodeInlineStreamEnd: + function Parser_findDCTDecodeInlineStreamEnd(stream) { + var startPos = stream.pos, foundEOI = false, b, markerLength, length; + while ((b = stream.getByte()) !== -1) { + if (b !== 0xFF) { // Not a valid marker. + continue; + } + switch (stream.getByte()) { + case 0x00: // Byte stuffing. + // 0xFF00 appears to be a very common byte sequence in JPEG images. + break; + + case 0xFF: // Fill byte. + // Avoid skipping a valid marker, resetting the stream position. + stream.skip(-1); + break; + + case 0xD9: // EOI + foundEOI = true; + break; + + case 0xC0: // SOF0 + case 0xC1: // SOF1 + case 0xC2: // SOF2 + case 0xC3: // SOF3 + + case 0xC5: // SOF5 + case 0xC6: // SOF6 + case 0xC7: // SOF7 + + case 0xC9: // SOF9 + case 0xCA: // SOF10 + case 0xCB: // SOF11 + + case 0xCD: // SOF13 + case 0xCE: // SOF14 + case 0xCF: // SOF15 + + case 0xC4: // DHT + case 0xCC: // DAC + + case 0xDA: // SOS + case 0xDB: // DQT + case 0xDC: // DNL + case 0xDD: // DRI + case 0xDE: // DHP + case 0xDF: // EXP + + case 0xE0: // APP0 + case 0xE1: // APP1 + case 0xE2: // APP2 + case 0xE3: // APP3 + case 0xE4: // APP4 + case 0xE5: // APP5 + case 0xE6: // APP6 + case 0xE7: // APP7 + case 0xE8: // APP8 + case 0xE9: // APP9 + case 0xEA: // APP10 + case 0xEB: // APP11 + case 0xEC: // APP12 + case 0xED: // APP13 + case 0xEE: // APP14 + case 0xEF: // APP15 + + case 0xFE: // COM + // The marker should be followed by the length of the segment. + markerLength = stream.getUint16(); + if (markerLength > 2) { + // |markerLength| contains the byte length of the marker segment, + // including its own length (2 bytes) and excluding the marker. + stream.skip(markerLength - 2); // Jump to the next marker. + } else { + // The marker length is invalid, resetting the stream position. + stream.skip(-2); + } + break; + } + if (foundEOI) { + break; + } + } + length = stream.pos - startPos; + if (b === -1) { + warn('Inline DCTDecode image stream: ' + + 'EOI marker not found, searching for /EI/ instead.'); + stream.skip(-length); // Reset the stream position. + return this.findDefaultInlineStreamEnd(stream); + } + this.inlineStreamSkipEI(stream); + return length; + }, + /** + * Find the EOD (end-of-data) marker '~>' (i.e. TILDE + GT) of the stream. + * @returns {number} The inline stream length. + */ + findASCII85DecodeInlineStreamEnd: + function Parser_findASCII85DecodeInlineStreamEnd(stream) { + var TILDE = 0x7E, GT = 0x3E; + var startPos = stream.pos, ch, length; + while ((ch = stream.getByte()) !== -1) { + if (ch === TILDE && stream.peekByte() === GT) { + stream.skip(); + break; + } + } + length = stream.pos - startPos; + if (ch === -1) { + warn('Inline ASCII85Decode image stream: ' + + 'EOD marker not found, searching for /EI/ instead.'); + stream.skip(-length); // Reset the stream position. + return this.findDefaultInlineStreamEnd(stream); + } + this.inlineStreamSkipEI(stream); + return length; + }, + /** + * Find the EOD (end-of-data) marker '>' (i.e. GT) of the stream. + * @returns {number} The inline stream length. + */ + findASCIIHexDecodeInlineStreamEnd: + function Parser_findASCIIHexDecodeInlineStreamEnd(stream) { + var GT = 0x3E; + var startPos = stream.pos, ch, length; + while ((ch = stream.getByte()) !== -1) { + if (ch === GT) { + break; + } + } + length = stream.pos - startPos; + if (ch === -1) { + warn('Inline ASCIIHexDecode image stream: ' + + 'EOD marker not found, searching for /EI/ instead.'); + stream.skip(-length); // Reset the stream position. + return this.findDefaultInlineStreamEnd(stream); + } + this.inlineStreamSkipEI(stream); + return length; + }, + /** + * Skip over the /EI/ for streams where we search for an EOD marker. + */ + inlineStreamSkipEI: function Parser_inlineStreamSkipEI(stream) { + var E = 0x45, I = 0x49; + var state = 0, ch; + while ((ch = stream.getByte()) !== -1) { + if (state === 0) { + state = (ch === E) ? 1 : 0; + } else if (state === 1) { + state = (ch === I) ? 2 : 0; + } else if (state === 2) { + break; + } + } + }, + makeInlineImage: function Parser_makeInlineImage(cipherTransform) { + var lexer = this.lexer; + var stream = lexer.stream; + + // Parse dictionary. + var dict = new Dict(this.xref); + while (!isCmd(this.buf1, 'ID') && !isEOF(this.buf1)) { + if (!isName(this.buf1)) { + error('Dictionary key must be a name object'); + } + var key = this.buf1.name; + this.shift(); + if (isEOF(this.buf1)) { + break; + } + dict.set(key, this.getObj(cipherTransform)); + } + + // Extract the name of the first (i.e. the current) image filter. + var filter = dict.get('Filter', 'F'), filterName; + if (isName(filter)) { + filterName = filter.name; + } else if (isArray(filter) && isName(filter[0])) { + filterName = filter[0].name; + } + + // Parse image stream. + var startPos = stream.pos, length, i, ii; + if (filterName === 'DCTDecode' || filterName === 'DCT') { + length = this.findDCTDecodeInlineStreamEnd(stream); + } else if (filterName === 'ASCII85Decide' || filterName === 'A85') { + length = this.findASCII85DecodeInlineStreamEnd(stream); + } else if (filterName === 'ASCIIHexDecode' || filterName === 'AHx') { + length = this.findASCIIHexDecodeInlineStreamEnd(stream); + } else { + length = this.findDefaultInlineStreamEnd(stream); + } + var imageStream = stream.makeSubStream(startPos, length, dict); + + // Cache all images below the MAX_LENGTH_TO_CACHE threshold by their + // adler32 checksum. + var adler32; + if (length < MAX_LENGTH_TO_CACHE) { + var imageBytes = imageStream.getBytes(); + imageStream.reset(); + + var a = 1; + var b = 0; + for (i = 0, ii = imageBytes.length; i < ii; ++i) { + // No modulo required in the loop if imageBytes.length < 5552. + a += imageBytes[i] & 0xff; + b += a; + } + adler32 = ((b % 65521) << 16) | (a % 65521); + + if (this.imageCache.adler32 === adler32) { + this.buf2 = Cmd.get('EI'); + this.shift(); + + this.imageCache[adler32].reset(); + return this.imageCache[adler32]; + } + } + + if (cipherTransform) { + imageStream = cipherTransform.createStream(imageStream, length); + } + + imageStream = this.filter(imageStream, dict, length); + imageStream.dict = dict; + if (adler32 !== undefined) { + imageStream.cacheKey = 'inline_' + length + '_' + adler32; + this.imageCache[adler32] = imageStream; + } + + this.buf2 = Cmd.get('EI'); + this.shift(); + + return imageStream; + }, + makeStream: function Parser_makeStream(dict, cipherTransform) { + var lexer = this.lexer; + var stream = lexer.stream; + + // get stream start position + lexer.skipToNextLine(); + var pos = stream.pos - 1; + + // get length + var length = dict.get('Length'); + if (!isInt(length)) { + info('Bad ' + length + ' attribute in stream'); + length = 0; + } + + // skip over the stream data + stream.pos = pos + length; + lexer.nextChar(); + + // Shift '>>' and check whether the new object marks the end of the stream + if (this.tryShift() && isCmd(this.buf2, 'endstream')) { + this.shift(); // 'stream' + } else { + // bad stream length, scanning for endstream + stream.pos = pos; + var SCAN_BLOCK_SIZE = 2048; + var ENDSTREAM_SIGNATURE_LENGTH = 9; + var ENDSTREAM_SIGNATURE = [0x65, 0x6E, 0x64, 0x73, 0x74, 0x72, 0x65, + 0x61, 0x6D]; + var skipped = 0, found = false, i, j; + while (stream.pos < stream.end) { + var scanBytes = stream.peekBytes(SCAN_BLOCK_SIZE); + var scanLength = scanBytes.length - ENDSTREAM_SIGNATURE_LENGTH; + if (scanLength <= 0) { + break; + } + found = false; + i = 0; + while (i < scanLength) { + j = 0; + while (j < ENDSTREAM_SIGNATURE_LENGTH && + scanBytes[i + j] === ENDSTREAM_SIGNATURE[j]) { + j++; + } + if (j >= ENDSTREAM_SIGNATURE_LENGTH) { + found = true; + break; + } + i++; + } + if (found) { + skipped += i; + stream.pos += i; + break; + } + skipped += scanLength; + stream.pos += scanLength; + } + if (!found) { + error('Missing endstream'); + } + length = skipped; + + lexer.nextChar(); + this.shift(); + this.shift(); + } + this.shift(); // 'endstream' + + stream = stream.makeSubStream(pos, length, dict); + if (cipherTransform) { + stream = cipherTransform.createStream(stream, length); + } + stream = this.filter(stream, dict, length); + stream.dict = dict; + return stream; + }, + filter: function Parser_filter(stream, dict, length) { + var filter = dict.get('Filter', 'F'); + var params = dict.get('DecodeParms', 'DP'); + if (isName(filter)) { + return this.makeFilter(stream, filter.name, length, params); + } + + var maybeLength = length; + if (isArray(filter)) { + var filterArray = filter; + var paramsArray = params; + for (var i = 0, ii = filterArray.length; i < ii; ++i) { + filter = filterArray[i]; + if (!isName(filter)) { + error('Bad filter name: ' + filter); + } + + params = null; + if (isArray(paramsArray) && (i in paramsArray)) { + params = paramsArray[i]; + } + stream = this.makeFilter(stream, filter.name, maybeLength, params); + // after the first stream the length variable is invalid + maybeLength = null; + } + } + return stream; + }, + makeFilter: function Parser_makeFilter(stream, name, maybeLength, params) { + if (stream.dict.get('Length') === 0 && !maybeLength) { + warn('Empty "' + name + '" stream.'); + return new NullStream(stream); + } + try { + if (params && this.xref) { + params = this.xref.fetchIfRef(params); + } + var xrefStreamStats = this.xref.stats.streamTypes; + if (name === 'FlateDecode' || name === 'Fl') { + xrefStreamStats[StreamType.FLATE] = true; + if (params) { + return new PredictorStream(new FlateStream(stream, maybeLength), + maybeLength, params); + } + return new FlateStream(stream, maybeLength); + } + if (name === 'LZWDecode' || name === 'LZW') { + xrefStreamStats[StreamType.LZW] = true; + var earlyChange = 1; + if (params) { + if (params.has('EarlyChange')) { + earlyChange = params.get('EarlyChange'); + } + return new PredictorStream( + new LZWStream(stream, maybeLength, earlyChange), + maybeLength, params); + } + return new LZWStream(stream, maybeLength, earlyChange); + } + if (name === 'DCTDecode' || name === 'DCT') { + xrefStreamStats[StreamType.DCT] = true; + return new JpegStream(stream, maybeLength, stream.dict, this.xref); + } + if (name === 'JPXDecode' || name === 'JPX') { + xrefStreamStats[StreamType.JPX] = true; + return new JpxStream(stream, maybeLength, stream.dict); + } + if (name === 'ASCII85Decode' || name === 'A85') { + xrefStreamStats[StreamType.A85] = true; + return new Ascii85Stream(stream, maybeLength); + } + if (name === 'ASCIIHexDecode' || name === 'AHx') { + xrefStreamStats[StreamType.AHX] = true; + return new AsciiHexStream(stream, maybeLength); + } + if (name === 'CCITTFaxDecode' || name === 'CCF') { + xrefStreamStats[StreamType.CCF] = true; + return new CCITTFaxStream(stream, maybeLength, params); + } + if (name === 'RunLengthDecode' || name === 'RL') { + xrefStreamStats[StreamType.RL] = true; + return new RunLengthStream(stream, maybeLength); + } + if (name === 'JBIG2Decode') { + xrefStreamStats[StreamType.JBIG] = true; + return new Jbig2Stream(stream, maybeLength, stream.dict); + } + warn('filter "' + name + '" not supported yet'); + return stream; + } catch (ex) { + if (ex instanceof MissingDataException) { + throw ex; + } + warn('Invalid stream: \"' + ex + '\"'); + return new NullStream(stream); + } + } + }; + + return Parser; +})(); + +var Lexer = (function LexerClosure() { + function Lexer(stream, knownCommands) { + this.stream = stream; + this.nextChar(); + + // While lexing, we build up many strings one char at a time. Using += for + // this can result in lots of garbage strings. It's better to build an + // array of single-char strings and then join() them together at the end. + // And reusing a single array (i.e. |this.strBuf|) over and over for this + // purpose uses less memory than using a new array for each string. + this.strBuf = []; + + // The PDFs might have "glued" commands with other commands, operands or + // literals, e.g. "q1". The knownCommands is a dictionary of the valid + // commands and their prefixes. The prefixes are built the following way: + // if there a command that is a prefix of the other valid command or + // literal (e.g. 'f' and 'false') the following prefixes must be included, + // 'fa', 'fal', 'fals'. The prefixes are not needed, if the command has no + // other commands or literals as a prefix. The knowCommands is optional. + this.knownCommands = knownCommands; + } + + Lexer.isSpace = function Lexer_isSpace(ch) { + // Space is one of the following characters: SPACE, TAB, CR or LF. + return (ch === 0x20 || ch === 0x09 || ch === 0x0D || ch === 0x0A); + }; + + // A '1' in this array means the character is white space. A '1' or + // '2' means the character ends a name or command. + var specialChars = [ + 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, // 0x + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 1x + 1, 0, 0, 0, 0, 2, 0, 0, 2, 2, 0, 0, 0, 0, 0, 2, // 2x + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, // 3x + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 4x + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, // 5x + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 6x + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, // 7x + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 8x + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 9x + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // ax + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // bx + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // cx + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // dx + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // ex + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 // fx + ]; + + function toHexDigit(ch) { + if (ch >= 0x30 && ch <= 0x39) { // '0'-'9' + return ch & 0x0F; + } + if ((ch >= 0x41 && ch <= 0x46) || (ch >= 0x61 && ch <= 0x66)) { + // 'A'-'F', 'a'-'f' + return (ch & 0x0F) + 9; + } + return -1; + } + + Lexer.prototype = { + nextChar: function Lexer_nextChar() { + return (this.currentChar = this.stream.getByte()); + }, + peekChar: function Lexer_peekChar() { + return this.stream.peekByte(); + }, + getNumber: function Lexer_getNumber() { + var ch = this.currentChar; + var eNotation = false; + var divideBy = 0; // different from 0 if it's a floating point value + var sign = 1; + + if (ch === 0x2D) { // '-' + sign = -1; + ch = this.nextChar(); + + if (ch === 0x2D) { // '-' + // Ignore double negative (this is consistent with Adobe Reader). + ch = this.nextChar(); + } + } else if (ch === 0x2B) { // '+' + ch = this.nextChar(); + } + if (ch === 0x2E) { // '.' + divideBy = 10; + ch = this.nextChar(); + } + if (ch < 0x30 || ch > 0x39) { // '0' - '9' + error('Invali