ghayyas/printbarcode

Simple demo for barcode Printer

printBarcode

1. Add JSbarcode Link to you index.html

   <script src="https://cdn.jsdelivr.net/npm/ [email protected]/dist/barcodes/JsBarcode.code128.min.js"></script>

2. call the JsBarcode function in typescript

    `JsBarcode("#barcode", "193 1889");`
   

3. Add canvas to your HTML file with id barcode

   <canvas id="barcode"></canvas>

4. Convert the Canvas into Base64

   const canvas:any = document.getElementById('barcode'; const dataURL =canvas.toDataURL();

5. Call DateCSPrinter PrintImage() function

    let options:printImageOptions={
     dataURL: dataURL, //base64
     width: canvas.width,
     height: canvas.height,
     num:1
   }
    window.DatecsPrinter.printImage((options)=>{
    alert('Printing works!');
    let jsonString = JSON.stringify(options);
    console.log('options',options);
    alert('JSON Data '+ jsonString);
   },err=>{
    console.log('error occured',err);
    alert('something went wrong!');
   })
   

6. And Thats it..!!