+ break;
+ case 'move':
+ if (event.button == 0 && zoomstart) {
+ context.putImageData(imgBackup, 0, 0);
+ context.strokeStyle = "rgb(255,255,31)";
+ context.strokeRect(zoomstart.x, zoomstart.y,
+ event.clientX - canvas.offsetLeft - zoomstart.x,
+ event.clientY - canvas.offsetTop - zoomstart.y);
+ }