▽

Package barcode

Constants

const (
    TypeAztec           = "Aztec"
    TypeCodabar         = "Codabar"
    TypeCode128         = "Code 128"
    TypeCode39          = "Code 39"
    TypeCode93          = "Code 93"
    TypeDataMatrix      = "DataMatrix"
    TypeEAN8            = "EAN 8"
    TypeEAN13           = "EAN 13"
    TypePDF             = "PDF417"
    TypeQR              = "QR Code"
    Type2of5            = "2 of 5"
    Type2of5Interleaved = "2 of 5 (interleaved)"
)

type Barcode ¶

a rendered and encoded barcode

type Barcode interface {
    image.Image
    // returns some meta information about the barcode
    Metadata() Metadata
    // the data that was encoded in this barcode
    Content() string
}

func Scale ¶

func Scale(bc Barcode, width, height int) (Barcode, error)

Scale returns a resized barcode with the given width and height.

type BarcodeIntCS ¶

Additional interface that some barcodes might implement to provide the value of its checksum.

type BarcodeIntCS interface {
    Barcode
    CheckSum() int
}

type Metadata ¶

Contains some meta information about a barcode

type Metadata struct {
    // the name of the barcode kind
    CodeKind string
    // contains 1 for 1D barcodes or 2 for 2D barcodes
    Dimensions byte
}

Subdirectories