22

- (

void

) handlePinch:(UIPinchGestureRecognizer*) recognizer  

23

{  

24

    recognizer.view.transform = CGAffineTransformScale(recognizer.view.transform, 

recognizer.scale, recognizer.scale);  

25

    recognizer.scale = 1;  

26

}  

5、Rotation 旋转手势

27

UIRotationGestureRecognizer *rotateRecognizer = [[UIRotationGestureRecognizer 

alloc]  

28

                                                 initWithTarget:self  

29

                                                 action:@selector(handleRotate:)];  

30

[snakeImageView addGestureRecognizer:rotateRecognizer];  

31

- (

void

) handleRotate:(UIRotationGestureRecognizer*) recognizer  

32

{  

33

    recognizer.view.transform = CGAffineTransformRotate(recognizer.view.transform, 

recognizer.rotation);  

34

    recognizer.rotation = 0;  

35

}