code: function(cb){
        this.toSvgImage(function(img){
          var canvas = document.createElement('canvas');
          var context = canvas.getContext("2d");
  
          canvas.width = img.width;
          canvas.height = img.height;
  
          context.drawImage(img, 0, 0);
          cb(canvas);
        });
      }
docs: Return canvas with this SVG drawn inside.