Source file src/github.com/boombuler/barcode/utils/base1dcode.go

Documentation: github.com/boombuler/barcode/utils

     1  // Package utils contain some utilities which are needed to create barcodes
     2  package utils
     3  
     4  import (
     5  	"image"
     6  	"image/color"
     7  
     8  	"github.com/boombuler/barcode"
     9  )
    10  
    11  type base1DCode struct {
    12  	*BitList
    13  	kind    string
    14  	content string
    15  }
    16  
    17  type base1DCodeIntCS struct {
    18  	base1DCode
    19  	checksum int
    20  }
    21  
    22  func (c *base1DCode) Content() string {
    23  	return c.content
    24  }
    25  
    26  func (c *base1DCode) Metadata() barcode.Metadata {
    27  	return barcode.Metadata{c.kind, 1}
    28  }
    29  
    30  func (c *base1DCode) ColorModel() color.Model {
    31  	return color.Gray16Model
    32  }
    33  
    34  func (c *base1DCode) Bounds() image.Rectangle {
    35  	return image.Rect(0, 0, c.Len(), 1)
    36  }
    37  
    38  func (c *base1DCode) At(x, y int) color.Color {
    39  	if c.GetBit(x) {
    40  		return color.Black
    41  	}
    42  	return color.White
    43  }
    44  
    45  func (c *base1DCodeIntCS) CheckSum() int {
    46  	return c.checksum
    47  }
    48  
    49  // New1DCodeIntCheckSum creates a new 1D barcode where the bars are represented by the bits in the bars BitList
    50  func New1DCodeIntCheckSum(codeKind, content string, bars *BitList, checksum int) barcode.BarcodeIntCS {
    51  	return &base1DCodeIntCS{base1DCode{bars, codeKind, content}, checksum}
    52  }
    53  
    54  // New1DCode creates a new 1D barcode where the bars are represented by the bits in the bars BitList
    55  func New1DCode(codeKind, content string, bars *BitList) barcode.Barcode {
    56  	return &base1DCode{bars, codeKind, content}
    57  }
    58  

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