HTML5 canvas, convert canvas to PDF with jspdf.js

Question

I am trying to convert HTML5 canvas to PDF in JavaScript but I get a black background PDF. I tried to change the background color but still get black. The following is code I am

Answer 1

A good approach is to use combination of jspdf.js and html2canvas. I have made a jsfiddle for you.

  
      Download Pdf

'

        html2canvas($("#canvas"), {
            onrendered: function(canvas) {         
                var imgData = canvas.toDataURL(
                    'image/png');              
                var doc = new jsPDF('p', 'mm');
                doc.addImage(imgData, 'PNG', 10, 10);
                doc.save('sample-file.pdf');
            }
        });

jsfiddle: http://jsfiddle.net/rpaul/p4s5k59s/5/