You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
58 lines
1.3 KiB
58 lines
1.3 KiB
// Package utils contain some utilities which are needed to create barcodes
|
|
package utils
|
|
|
|
import (
|
|
"image"
|
|
"image/color"
|
|
|
|
"github.com/boombuler/barcode"
|
|
)
|
|
|
|
type base1DCode struct {
|
|
*BitList
|
|
kind string
|
|
content string
|
|
}
|
|
|
|
type base1DCodeIntCS struct {
|
|
base1DCode
|
|
checksum int
|
|
}
|
|
|
|
func (c *base1DCode) Content() string {
|
|
return c.content
|
|
}
|
|
|
|
func (c *base1DCode) Metadata() barcode.Metadata {
|
|
return barcode.Metadata{c.kind, 1}
|
|
}
|
|
|
|
func (c *base1DCode) ColorModel() color.Model {
|
|
return color.Gray16Model
|
|
}
|
|
|
|
func (c *base1DCode) Bounds() image.Rectangle {
|
|
return image.Rect(0, 0, c.Len(), 1)
|
|
}
|
|
|
|
func (c *base1DCode) At(x, y int) color.Color {
|
|
if c.GetBit(x) {
|
|
return color.Black
|
|
}
|
|
return color.White
|
|
}
|
|
|
|
func (c *base1DCodeIntCS) CheckSum() int {
|
|
return c.checksum
|
|
}
|
|
|
|
// New1DCodeIntCheckSum creates a new 1D barcode where the bars are represented by the bits in the bars BitList
|
|
func New1DCodeIntCheckSum(codeKind, content string, bars *BitList, checksum int) barcode.BarcodeIntCS {
|
|
return &base1DCodeIntCS{base1DCode{bars, codeKind, content}, checksum}
|
|
}
|
|
|
|
// New1DCode creates a new 1D barcode where the bars are represented by the bits in the bars BitList
|
|
func New1DCode(codeKind, content string, bars *BitList) barcode.Barcode {
|
|
return &base1DCode{bars, codeKind, content}
|
|
}
|