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IOS UIPinchGestureRecognizer 捏合手势
imageView.isUserInteractionEnabled = true 11 self.view.addSubview(imageView) 12 13 let guesture = UIPinchGestureRecognizer ViewController.pinchImage(：))) 14 imageView.addGestureRecognizer(guesture)} 15 func pinchImage( recognizer： UIPinchGestureRecognizer
1.7K20发布于 2019-07-08 - 来自专栏云原生布道专栏
【IOS开发进阶系列】手势专题
UITapGestureRecognizer UIPinchGestureRecognizer UIRotationGestureRecognizer UISwipeGestureRecognizer *pinchGestureRecognizer = [[UIPinchGestureRecognizer alloc] initWithTarget: self action: @selector(handlePinch = [[UIPinchGestureRecognizer alloc] initWithTarget: self action: @selector(handlePinch:)]; [snakeImageView addGestureRecognizer: pinchGestureRecognizer]; - (void) handlePinch:(UIPinchGestureRecognizer*) recognizer *pinchGestureRecognizer = [[UIPinchGestureRecognizer alloc] initWithTarget: self action: @selector(
1.3K40编辑于 2023-10-16 - 来自专栏慎独
如何理解CGAffineTransform
一个实验 给一个UIImageView添加手势 //zoom手势 UIPinchGestureRecognizer* zoomer = [[UIPinchGestureRecognizer :zoomer]; [imageView addGestureRecognizer:rotation]; 手势实现方法 //缩放 -(void)editImageWithZoom:(UIPinchGestureRecognizer
1.4K20发布于 2018-06-01 - 来自专栏日常技术分享
TableViewCell和百度地图手势冲突
1523525631822.jpg 如果要实现这个功能，出现的问题就是缩放地图不灵敏，上下拖动TableView就会跟着动 解决办法 UIPinchGestureRecognizer *pinch = [[UIPinchGestureRecognizer alloc]init]; pinch.delegate = self; [self.tableV addGestureRecognizer:pinch
97720发布于 2018-09-13 - 来自专栏日常技术分享
ios 百度地图 获取拖动或缩放手势
mapPanGesture.delaysTouchesEnded = NO; [_mapView addGestureRecognizer:mapPanGesture]; // 缩放 UIPinchGestureRecognizer *mapPinchGesture = [[UIPinchGestureRecognizer alloc] initWithTarget:self action:@selector(mapPinchGesture
1.9K30发布于 2018-10-12 - 来自专栏每日一篇技术文章
VR+全景播放器+头控讲解-05
本节学习目标 捏合手势如何缩放画面 实现步骤 1.创建捏合手势添加到视图中去,这个视图也是最外层的视图 self.pinchGesture = [[UIPinchGestureRecognizer alloc [view addGestureRecognizer:self.pinchGesture]; 2.算法处理,改变Camera属性的xFov ,yFov -(void)pinchGesture:(UIPinchGestureRecognizer
70010发布于 2018-09-14 - 来自专栏LeeCen
【iOS学习】——手势识别
UISwipeGestureRecognizer 轻扫 UIPanGestureRecognizer 拖动 UIRotationGestureRecognizer 旋转 UIPinchGestureRecognizer ); _imageView.transform = CGAffineTransformMakeRotation(sender.rotation); } 捏合手势 捏合 UIPinchGestureRecognizer *pinchGesture = [[UIPinchGestureRecognizer alloc] initWithTarget:self action:@selector(pinchGestureAction :)]; [_imageView addGestureRecognizer:pinchGesture]; 捏合事件方法 -(void)pinchGestureAction:(UIPinchGestureRecognizer
2.4K10发布于 2018-10-11 - 来自专栏滕先生的博客
UIGestureRecognizer 手势识别一、概念介绍二、UIView 的分类三、UIGestureRecognizer 抽象类四、UIGestureRecognizerDelegate 代理
） UISwipeGestureRecognizer（轻扫手势） UIRotationGestureRecognizer（旋转手势） UIPanGestureRecognizer（拖拽手势） UIPinchGestureRecognizer 每次平移手势识别完毕后, 让平移的值不要累加 [recognizer setTranslation:CGPointZero inView:recognizer.view]; } ---- 十、UIPinchGestureRecognizer nonatomic) CGFloat scale; 2、获取捏合速度，单位：缩放比/秒 @property (nonatomic,readonly) CGFloat velocity; 例子： UIPinchGestureRecognizer *pinch = [[UIPinchGestureRecognizer alloc] initWithTarget:self action:@selector(pinchAction:)];pinch.delegate = self; [self.imgView addGestureRecognizer:pinch]; // 捏合手势监听方法 - (void)pinchAction:(UIPinchGestureRecognizer
3.8K81发布于 2018-05-18 - 来自专栏清墨_iOS分享
OpenGLES-05 立方体3D变换
6.给openGLView添加手势 给我们的MyGLView中再添加3个变量 //新加手势变量 UIPanGestureRecognizer *_panGesture; //平移 UIPinchGestureRecognizer viewTranslate:)]; [self addGestureRecognizer:_panGesture]; _pinchGesture = [[UIPinchGestureRecognizer RZ += rotate; [self updateTransform]; rotationGesture.rotation = 0; } -(void)viewZoom:(UIPinchGestureRecognizer viewTranslate:)]; [self addGestureRecognizer:_panGesture]; _pinchGesture = [[UIPinchGestureRecognizer viewTranslate:)]; [self addGestureRecognizer:_panGesture]; _pinchGesture = [[UIPinchGestureRecognizer
1.3K80发布于 2018-05-07 - 来自专栏iOS逆向与安全
iOS 小技能：响应者链的事件传递过程、手势识别器的使用步骤、抽屉效果的实现
识别到手势识别 }; 1、UIGestureRecognizer是一个抽象类，定义了所有手势的基本行为，使用它的子类才能处理具体的手势 子类： UITapGestureRecognizer(敲击) UIPinchGestureRecognizer :CGPointZero inView:self.ImageView]; } - (void) addPinch{ [self addRotation]; UIPinchGestureRecognizer *pinch = [[UIPinchGestureRecognizer alloc]initWithTarget:self action:@selector(pinch:)]; [pinch setDelegate:self]; [self.ImageView addGestureRecognizer:pinch]; } - (void)pinch:(UIPinchGestureRecognizer
1.2K30编辑于 2022-08-22 - 来自专栏BY的专栏
iOS手势与变形
手势分为下面这几种： UITapGestureRecognizer（点按） UIPanGestureRecognizer（拖动） UIScreenEdgePanGestureRecognizer (边缘拖动) UIPinchGestureRecognizer UIPinchGestureRecognizer（捏合） Pinch手势有两个属性： @property (nonatomic) CGFloat scale; @property (nonatomic pan:)]; // pan.delegate = self; [self.imageView addGestureRecognizer:pan]; //3捏合 UIPinchGestureRecognizer *pinch = [[UIPinchGestureRecognizer alloc]initWithTarget:self action:@selector(pinch:)]; pinch.delegate self.imageView].y); [sender setTranslation:CGPointZero inView:self.view]; } - (void)pinch:(UIPinchGestureRecognizer
2.4K40发布于 2018-05-11 - 来自专栏零域Blog
iOS手势与变形
手势分为下面这几种： UITapGestureRecognizer（点按） UIPanGestureRecognizer（拖动） UIScreenEdgePanGestureRecognizer (边缘拖动) UIPinchGestureRecognizer UIPinchGestureRecognizer（捏合） Pinch手势有两个属性： @property (nonatomic) CGFloat scale; @property (nonatomic, pan:)]; // pan.delegate = self; [self.imageView addGestureRecognizer:pan]; //3捏合 UIPinchGestureRecognizer *pinch = [[UIPinchGestureRecognizer alloc]initWithTarget:self action:@selector(pinch:)]; pinch.delegate self.imageView].y); [sender setTranslation:CGPointZero inView:self.view]; } - (void)pinch:(UIPinchGestureRecognizer
1.7K30编辑于 2022-03-22 - 来自专栏青玉伏案
iOS开发之手势识别
向右轻扫做的事情 12 } 13 } 14 4.捏合手势（PinchGestureRecognizer） 捏合手势初始化 1 //添加捏合手势 2 UIPinchGestureRecognizer *pinchGesture = [[UIPinchGestureRecognizer alloc] initWithTarget:self action:@selector(pinchGesture: pinchGesture]; 捏合手势要触发的方法（放大或者缩小图片）： 1 ////捏合手势触发方法 2 -(void) pinchGesture:(id)sender 3 { 4 UIPinchGestureRecognizer
3.7K90发布于 2018-01-11 - 来自专栏mukekeheart的iOS之旅
iOS学习——iOS原生实现二维码扫描
nonatomic) AVCaptureVideoPreviewLayer * previewLayer;//展示捕获图像的图层，是CALayer的子类 @property (strong, nonatomic) UIPinchGestureRecognizer - (void)configPinchGes{ self.pinchGes = [[UIPinchGestureRecognizer alloc] initWithTarget:self action selector(pinchDetected:)]; [self.view addGestureRecognizer:self.pinchGes]; } - (void)pinchDetected:(UIPinchGestureRecognizer
2.8K150发布于 2018-03-26 - 来自专栏每日一篇技术文章
VR+全景播放器+头控讲解-04
单独创建一个视图放在最外层,放手势对象 [view addGestureRecognizer:self.panGesture]; 2.创建一个滑动手势 self.pinchGesture = [[UIPinchGestureRecognizer
72710发布于 2018-09-14 - 来自专栏非典型技术宅
iOS中手势的应用1. 四类事件的主要方法2. 响应者链3. 手势识别功能（Gesture Recognizer）4. 手势的使用
能轻松识别用户在某个view上面做的一些常见手势 UIGestureRecognizer是一个抽象类，定义了所有手势的基本行为，使用它的子类才能处理具体的手势 UITapGestureRecognizer(点按) UIPinchGestureRecognizer CGPointZero inView:self.imageView]; } 4.4 捏合手势 - (void)addPinchGesture { //创建缩放（捏合）手势 并添加手势的监听事件 UIPinchGestureRecognizer *pinch = [[UIPinchGestureRecognizer alloc] initWithTarget:self action:@selector(pinch:)]; //设置控制器为缩放手势的代理 pinch.delegate = self; [self.imageView addGestureRecognizer:pinch]; } //识别到 缩放（捏合）手势后回调的方法 - (void)pinch:(UIPinchGestureRecognizer
3K40发布于 2018-06-28 - 来自专栏iOS开发攻城狮的集散地
iOS 图片浏览的放大缩小
当然，也可以结合UIPinchGestureRecognizer（捏合手势）和UIPanGestureRecognizer（拖拽手势）来实现这样的效果。
5K40发布于 2018-05-22 - 来自专栏学海无涯
iOS14开发-触摸与手势识别
UIPinchGestureRecognizer：捏合手势识别。 UIRotationGestureRecognizer：旋转手势识别。 longPress = UILongPressGestureRecognizer(target: self, action: #selector(gesture)) let pinch = UIPinchGestureRecognizer
3.3K20发布于 2021-05-10 - 来自专栏全栈程序员必看
iOS_38_手势
Pinch捏合手势(缩放) ,缩放手势(捏合手势)- (void)addPinch{ // 1.创建Pinch手势识别器对象,同一时候绑定监听方法(识别到了相应的手势,就会调用监听方法) UIPinchGestureRecognizer *pinch = [[UIPinchGestureRecognizer alloc] initWithTarget:self action:@selector(pinching:)]; // 2 self.nanaImgView addGestureRecognizer:rotate];}#pragma mark - 重要~~~~手势的监听方法// Pinch捏合(缩放)- (void)pinching:(UIPinchGestureRecognizer
1.4K20编辑于 2022-07-06 - 来自专栏ShaoYL
iOS-控件响应用户控制事件之事件处理
能轻松识别用户在某个view上面做的一些常见手势 UIGestureRecognizer是一个抽象类，定义了所有手势的基本行为，使用它的子类才能处理具体的手势 UITapGestureRecognizer(敲击) UIPinchGestureRecognizer
1.4K70发布于 2018-05-11
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