sy = sy < 0 ? 0 : (sy / this.getScaleLevel());
context.fillStyle = 'white';
- context.fillRect(0, 0, canvas.width, canvas.height);
if(canvas.width > this.outputMaxWidth) {
var scale = this.outputMaxWidth / canvas.width;
canvas.width = canvas.width * scale;
canvas.height = canvas.height * scale;
+ context.fillRect(0, 0, canvas.width, canvas.height);
context.scale(scale, scale);
}