2014/10/15 下午 10:09:33

iphone Programming Glossary: gesturerecognizer.scale

Using UIPinchGestureRecognizer to scale uiviews in single direction

http://stackoverflow.com/questions/6759028/using-uipinchgesturerecognizer-to-scale-uiviews-in-single-direction

sqrt deltaMove.x deltaMove.x deltaMove.y deltaMove.y NSLog @ distance f distance float hScale 1 deltaMove.x distance 1 gestureRecognizer.scale float vScale 1 deltaMove.y distance 1 gestureRecognizer.scale if distance 0 hScale 1 vScale 1 NSLog @ gestureRecognizer.. f distance float hScale 1 deltaMove.x distance 1 gestureRecognizer.scale float vScale 1 deltaMove.y distance 1 gestureRecognizer.scale if distance 0 hScale 1 vScale 1 NSLog @ gestureRecognizer scale f gestureRecognizer scale NSLog @ hScale f and vScale.. float distance sqrt deltaMove.x deltaMove.x deltaMove.y deltaMove.y hScale abs deltaMove.x distance 1 gestureRecognizer.scale vScale abs deltaMove.y distance 1 gestureRecognizer.scale piece.transform CGAffineTransformScale piece transform hScale..