QR code in pcx format in pure javascript (using golang libraries with help of gohperjs) for tsc barcode printers

readme.md

# compile go to js
gopherjs build qr_pcx_generator.go

# generate qr code
node test.js

# to view the file the file using ffmpeg
ffmpeg -i new.pcx new.png -y && open new.png

qr_pcx_generator.go

package main

import (
  "fmt"
  "bytes"
  "image"
  "github.com/samuel/go-pcx/pcx"
  "github.com/skip2/go-qrcode"
  "github.com/gopherjs/gopherjs/js"
)

func CreateQR(text string, size int) *js.Object {
  buf := &bytes.Buffer{}
  png, err := qrcode.Encode(text, qrcode.Highest, size)
  img, _, err := image.Decode(bytes.NewReader(png))
  if err != nil {
    fmt.Println("image.Decode err", text)
    fmt.Println(err)
  }
  if err := pcx.Encode(buf, img); err != nil {
    fmt.Println(err)
  }
  return js.MakeWrapper(buf)
}

func main() {
   js.Global.Set("QR", map[string]interface{}{"Create": CreateQR})
}

test.js

require('./qr_pcx_generator.js')
var text = 'hello world';
var pcxBuff = QR.Create(text, 128);
require('fs').writeFileSync('new.pcx', Buffer.from(pcxBuff.Bytes()));