UIPinchGestureRecognizer for zooming and panning an image in xcode

Question

I have created one application in which there is one view containing an image view. Below code for zooming an image using UIPinchGestureRecognizer is working. Here innerview is

Answer 1

try this

 -(void)scale:(id)sender {


    if([(UIPinchGestureRecognizer*)sender state] == UIGestureRecognizerStateBegan) {
        _lastScale = 1.0;
    }

    CGFloat scale = 1.0 - (_lastScale - [(UIPinchGestureRecognizer*)sender scale]);
    CGAffineTransform currentTransform = self.transform;
    CGAffineTransform newTransform = CGAffineTransformScale(currentTransform, scale, scale);

    [self setTransform:newTransform];


}