barcode/utils/base1dcode.go

73 lines
2.0 KiB
Go

// 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
color barcode.ColorScheme
}
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 c.color.Model
}
func (c *base1DCode) ColorScheme() barcode.ColorScheme {
return c.color
}
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 c.color.Foreground
}
return c.color.Background
}
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, barcode.ColorScheme16}, checksum}
}
// New1DCodeIntCheckSum creates a new 1D barcode where the bars are represented by the bits in the bars BitList
func New1DCodeIntCheckSumWithColor(codeKind, content string, bars *BitList, checksum int, color barcode.ColorScheme) barcode.BarcodeIntCS {
return &base1DCodeIntCS{base1DCode{bars, codeKind, content, color}, 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, barcode.ColorScheme16}
}
// New1DCode creates a new 1D barcode where the bars are represented by the bits in the bars BitList
func New1DCodeWithColor(codeKind, content string, bars *BitList, color barcode.ColorScheme) barcode.Barcode {
return &base1DCode{bars, codeKind, content, color}
}