UIImageView+Touch

gistfile1.m

@interface UIImageView (Touch)
@property(nonatomic, assign) id delegate;
@end

@protocol UIImageViewTouchDelegate <NSObject>
@optional
- (void)imageViewDidTouch:(UIImageView *)imageView withPoint:(CGPoint)point;
@end

@implementation UIImageView (Touch)
static char kUIImageViewTouchDelegateKey;

- (void)setDelegate:(id)delegate {
    objc_setAssociatedObject(self, &kUIImageViewTouchDelegateKey, delegate, OBJC_ASSOCIATION_ASSIGN);
}

- (id)delegate {
    return objc_getAssociatedObject(self, &kUIImageViewTouchDelegateKey);
}

- (BOOL)pointInside:(CGPoint)point withEvent:(UIEvent *)event {
    BOOL result = [super pointInside:point withEvent:event];
    if ([self.delegate respondsToSelector:@selector(imageViewDidTouch:withPoint:)]) {
        [self.delegate imageViewDidTouch:self withPoint:point];
    }
    return  result;
}

@end