// 處理縮放手勢?

?- (void) pinchView:(UIPinchGestureRecognizer *)pinchGestureRecognizer?

?{? ? ??

UIView *view = pinchGestureRecognizer.view;? ? ??

if (pinchGestureRecognizer.state == UIGestureRecognizerStateBegan || pinchGestureRecognizer.state == UIGestureRecognizerStateChanged)?

{? ? ? ? ?

?view.transform = CGAffineTransformScale(view.transform, pinchGestureRecognizer.scale, pinchGestureRecognizer.scale);? ? ? ? ? pinchGestureRecognizer.scale = 1;? ? ?

?}??

}??

?// 處理拖拉手勢?

?- (void) panView:(UIPanGestureRecognizer *)panGestureRecognizer??

{? ? ?

?UIView *view = panGestureRecognizer.view;? ?

?? if (panGestureRecognizer.state == UIGestureRecognizerStateBegan || panGestureRecognizer.state == UIGestureRecognizerStateChanged)

?{? ? ? ? ?

?CGPoint translation = [panGestureRecognizer translationInView:view.superview];? ? ??

?[view setCenter:(CGPoint){view.center.x + translation.x, view.center.y + translation.y}];? ? ? ??

? [panGestureRecognizer setTranslation:CGPointZero inView:view.superview];? ? ? }?

?}?

?// 處理旋轉手勢??

- (void) rotateView:(UIRotationGestureRecognizer *)rotationGestureRecognizer? {? ? ??

UIView *view = rotationGestureRecognizer.view;? ??

? if (rotationGestureRecognizer.state == UIGestureRecognizerStateBegan || rotationGestureRecognizer.state == UIGestureRecognizerStateChanged)?

{? ? ? ? ?

?view.transform = CGAffineTransformRotate(view.transform, rotationGestureRecognizer.rotation);? ? ? ? ?

?[rotationGestureRecognizer setRotation:0];? ? ?

?}??

}? ??

重點！?。≡谛枰€原的地方寫下這么一行代碼，完美！??！

? imageView.transform = CGAffineTransformIdentity;