}
// else {
context.fillStyle = 'white';
- context.fillRect(0, 0, canvas.width - 100, canvas.height);
+ context.fillRect(0, 0, this.thumbEl.getWidth() / this.getScaleLevel(), this.thumbEl.getHeight() / this.getScaleLevel());
// }
context.drawImage(imageCanvas, sx, sy, width, height, x, y, width, height);