【IOS】扩展UIImageViewEx实现：手势移动,旋转,缩放（附带一个收缩的文字标签功能）
#import <UIKit/UIKit.h>#import <QuartzCore/QuartzCore.h>typedef enum{ UIImageExNormal = 0, UIImageExFull}UIImageExState;@interface UIImageViewEx : UIImageView<UIGestureRecognizerDelegate>{ UIView *parentview; //父窗口，即用将UIImageEx所加到的UIView BOOL isPanEnable; //是否可以移动 BOOL isPinchEnable; //是否可以放大缩小 BOOL isRotateEnable; //是否可以旋转 BOOL isTap; //是否可以点击触摸 UIImageExState imageState; //图片当前状态 CGFloat imageScale; //最大缩放的倍数 CGFloat imageSize; //记录图片的累计缩放 CGFloat imageRotation; //记录图片的原始角度 CGPoint imagePoint; //记录图片的原始位置 UITextView *textView; //动态弹出的文本 }@property (nonatomic,retain) UIView *parentview;@property (nonatomic) CGFloat imageSize;@property (nonatomic) CGFloat imageRotation;@property (nonatomic) CGPoint imagePoint;@property BOOL isPanEnable;@property BOOL isRotateEnable;@property BOOL isPinchEnable;@property BOOL isTap;- (void)handlePan:(UIPanGestureRecognizer *)recognizer;- (void)handlePinch:(UIPinchGestureRecognizer *)recognizer;- (void)handleRotate:(UIRotationGestureRecognizer *)recognizer;- (void)handleTap:(UITapGestureRecognizer *)recognizer;//必须设置的- (void)setScaleAndRotation:(UIView*)imageView;- (void)setInfoText:(NSString *)string;- (void)setShadow:(BOOL)isShadow;@endTAG:
