I want to zoom that area (50x50 area around it) of image where user touched.
Please note that i do not want to zoom full image.
Is there any way to do this ?
You can place your image inside a UISCrollView and catch touch up inside event. Then, you can get the coordinates of the touch, and make your UIScrollView zoom on this area.
Edit : As I said in comment, see the documentation and especially the method
- (void)zoomToRect:(CGRect)rect animated:(BOOL)animated