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gozxing A Barcode Scanning/Encoding Library for Go

Build Status codecov

ZXing is an open-source, multi-format 1D/2D barcode image processing library for Java. This project is a port of ZXing core library to pure Go.

Porting Status (supported formats)

2D barcodes

Format Scanning Encoding
QR Code ✔️ ✔️
Data Matrix ✔️ ✔️
Aztec
PDF 417
MaxiCode

1D product barcodes

Format Scanning Encoding
UPC-A ✔️ ✔️
UPC-E ✔️ ✔️
EAN-8 ✔️ ✔️
EAN-13 ✔️ ✔️

1D industrial barcode

Format Scanning Encoding
Code 39 ✔️ ✔️
Code 93 ✔️ ✔️
Code 128 ✔️ ✔️
Codabar
ITF
RSS-14
RSS-Expanded

Special reader/writer

Reader/Writer Porting status
MultiFormatReader
MultiFormatWriter
ByQuadrantReader
GenericMultipleBarcodeReader
QRCodeMultiReader
MultiFormatUPCEANReader
MultiFormatOneDReader

Usage Examples

Scanning QR code

package main

import (
	"fmt"
	"image"
	_ "image/jpeg"
	"os"

	"github.com/makiuchi-d/gozxing"
	"github.com/makiuchi-d/gozxing/qrcode"
)

func main() {
	// open and decode image file
	file, _ := os.Open("qrcode.jpg")
	img, _, _ := image.Decode(file)

	// prepare BinaryBitmap
	bmp, _ := gozxing.NewBinaryBitmapFromImage(img)

	// decode image
	qrReader := qrcode.NewQRCodeReader()
	result, _ := qrReader.Decode(bmp, nil)

	fmt.Println(result)
}

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