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57 lines
1.3 KiB
57 lines
1.3 KiB
// Package utils contain some utilities which are needed to create barcodes
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package utils
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import (
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"image"
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"image/color"
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"github.com/boombuler/barcode"
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)
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type base1DCode struct {
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*BitList
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kind string
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content string
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}
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type base1DCodeIntCS struct {
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base1DCode
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checksum int
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}
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func (c *base1DCode) Content() string {
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return c.content
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}
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func (c *base1DCode) Metadata() barcode.Metadata {
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return barcode.Metadata{c.kind, 1}
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}
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func (c *base1DCode) ColorModel() color.Model {
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return color.Gray16Model
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}
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func (c *base1DCode) Bounds() image.Rectangle {
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return image.Rect(0, 0, c.Len(), 1)
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}
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func (c *base1DCode) At(x, y int) color.Color {
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if c.GetBit(x) {
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return color.Black
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}
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return color.White
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}
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func (c *base1DCodeIntCS) CheckSum() int {
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return c.checksum
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}
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// New1DCodeIntCheckSum creates a new 1D barcode where the bars are represented by the bits in the bars BitList
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func New1DCodeIntCheckSum(codeKind, content string, bars *BitList, checksum int) barcode.BarcodeIntCS {
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return &base1DCodeIntCS{base1DCode{bars, codeKind, content}, checksum}
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}
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// New1DCode creates a new 1D barcode where the bars are represented by the bits in the bars BitList
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func New1DCode(codeKind, content string, bars *BitList) barcode.Barcode {
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return &base1DCode{bars, codeKind, content}
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}
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