qrcode-gen.go

gistfile1.go

package main

import (
	"bytes"
	"fmt"
	"image/color"

	"github.com/BolajiOlajide/testrun"
	"github.com/yeqown/go-qrcode/v2"
	"github.com/yeqown/go-qrcode/writer/standard"
)

// WriteCloserBuffer wraps a bytes.Buffer to implement io.WriteCloser
type WriteCloserBuffer struct {
	bytes.Buffer
}

// Close is a no-op to satisfy the io.WriteCloser interface
func (wcb *WriteCloserBuffer) Close() error {
	return nil
}

func main() {
	qrc, err := qrcode.NewWith("https://github.com/yeqown/go-qrcode",
		qrcode.WithEncodingMode(qrcode.EncModeByte),
		qrcode.WithErrorCorrectionLevel(qrcode.ErrorCorrectionQuart))
	if err != nil {
		fmt.Printf("could not generate QRCode: %v", err)
		return
	}

	img, err := testrun.GetLogoImage()
	if err != nil {
		fmt.Printf("could not get logo image: %v", err)
		return
	}

	var b WriteCloserBuffer

	w := standard.NewWithWriter(&b,
		standard.WithBgColor(color.RGBA{R: 255, G: 87, B: 3, A: 255}),
		standard.WithBgTransparent(),
		standard.WithFgColor(color.White),
		standard.WithLogoImage(img))

	// Save the QR code to the buffer
	if err = qrc.Save(w); err != nil {
		fmt.Printf("could not save image: %v", err)
		return
	}

	// Convert the buffer to a byte slice
	qrCodeBytes := b.Bytes()

	// Use qrCodeBytes as needed
	fmt.Printf("QR Code as byte slice: %v\n", len(qrCodeBytes), qrCodeBytes)
}