- (void)dropImageShadow {
	CGMutablePathRef path = CGPathCreateMutable();
	CGRect pathrect = CGRectMake(imageView.center.x - imageView.image.size.width/2,
								 imageView.center.y - imageView.image.size.height/2,
								 imageView.image.size.width,
								 imageView.image.size.height);
	
	CGPathAddRect(path, NULL, pathrect);
	previewImage.layer.shadowPath = path;
	CGPathRelease(path);
}