Curved shadow below an image

Curved_shadow.m

#import <QuartzCore/QuartzCore.h>

- (void)viewDidLoad 
{
    [super viewDidLoad];
	
	UIImage *image = [UIImage imageNamed:@"photo.png"];
	
	UIView *photoView = [[UIView alloc] initWithFrame:CGRectMake(0.0, 0.0, image.size.width, image.size.height)];
	photoView.center = CGPointMake(self.view.center.x, self.view.center.y - 10);
	photoView.autoresizingMask = UIViewAutoresizingFlexibleLeftMargin | 
								 UIViewAutoresizingFlexibleTopMargin | 
								 UIViewAutoresizingFlexibleRightMargin | 
								 UIViewAutoresizingFlexibleBottomMargin;
	photoView.layer.contents = (id)image.CGImage;
	photoView.layer.borderColor = [UIColor colorWithWhite:1.0 alpha:1.0].CGColor;
	photoView.layer.borderWidth = 5.0;
	photoView.layer.shadowOffset = CGSizeMake(0, 3);
	photoView.layer.shadowOpacity = 0.7;	
	photoView.layer.shouldRasterize = YES;
	
	NSLog(@"Photo view frame: %@", NSStringFromCGRect(photoView.frame));
	NSLog(@"Photo view center: %@", NSStringFromCGPoint(photoView.center));
	
	UIBezierPath *path = [UIBezierPath bezierPathWithCurvedShadowForRect:photoView.bounds];	
	photoView.layer.shadowPath = path.CGPath;	
	
	[self.view addSubview:photoView];
	[photoView release];
}

+ (UIBezierPath *)bezierPathWithCurvedShadowForRect:(CGRect)rect 
{
	UIBezierPath *path = [UIBezierPath bezierPath];	
	
	CGPoint topLeft = rect.origin;
	CGPoint bottomLeft = CGPointMake(0.0, CGRectGetHeight(rect) + offset);
	CGPoint bottomMiddle = CGPointMake(CGRectGetWidth(rect)/2, CGRectGetHeight(rect) - curve);	
	CGPoint bottomRight = CGPointMake(CGRectGetWidth(rect), CGRectGetHeight(rect) + offset);
	CGPoint topRight = CGPointMake(CGRectGetWidth(rect), 0.0);
	
	NSLog(@"rect: %@", NSStringFromCGRect(rect));
	NSLog(@"topLeft: %@", NSStringFromCGPoint(topLeft));
	NSLog(@"bottomLeft: %@", NSStringFromCGPoint(bottomLeft));
	NSLog(@"bottomMiddle: %@", NSStringFromCGPoint(bottomMiddle));
	NSLog(@"bottomRight: %@", NSStringFromCGPoint(bottomRight));
	NSLog(@"topRight: %@", NSStringFromCGPoint(topRight));
	
	[path moveToPoint:topLeft];	
	[path addLineToPoint:bottomLeft];
	[path addQuadCurveToPoint:bottomRight controlPoint:bottomMiddle];
	[path addLineToPoint:topRight];
	[path addLineToPoint:topLeft];
	[path closePath];
	
	return path;
}