@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
self.textLabel.text = NSLocalizedString(@"哈哈哈",@"sssss");
self.imageV.userInteractionEnabled = YES;
// 拖动
[self panGes];
// 捏合
[self pinchGes];
// 旋转
[self rotation];
}
//通过代理 、delegate进行判断是否支持多个手势同事进行
//shouldRecognizeSimultaneouslyWithGestureRecognizer
//是否能允许同事支持多个手势
-(BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer *)otherGestureRecognizer
{
return YES;
}
-(void)rotation {
// 旋转
UIRotationGestureRecognizer *rotation = [[UIRotationGestureRecognizer alloc]initWithTarget:self action:@selector(rotationGes:)];
[self.imageV addGestureRecognizer:rotation];
}
-(void)rotationGes:(UIRotationGestureRecognizer *)rotationGes
{
self.imageV.transform = CGAffineTransformRotate(self.imageV.transform, rotationGes.rotation);
rotationGes.delegate = self;
// 复位
[rotationGes setRotation:0];
NSLog(@"旋转");
}
-(void)pinchGes
{
// 捏合
UIPinchGestureRecognizer *pinch = [[UIPinchGestureRecognizer alloc]initWithTarget:self action:@selector(pinch:)];
pinch.delegate = self;
[self.imageV addGestureRecognizer:pinch];
}
-(void)pinch:(UIPinchGestureRecognizer *)pinch
{
NSLog(@"%s",__func__);
self.imageV.transform = CGAffineTransformScale(self.imageV.transform, pinch.scale, pinch.scale);
// 进行复位
[pinch setScale:1];
}
#pragma mark ----拖动
-(void)panGes
{
// 添加手势
UIPanGestureRecognizer *Pan = [[UIPanGestureRecognizer alloc]initWithTarget:self action:@selector(pan:)];
[self.imageV addGestureRecognizer:Pan];
}
//拖动View时调用
-(void)pan:(UIPanGestureRecognizer *)pan
{
// 偏移量获取（可以 直接获取，不用计算了） 相当于原始的偏移量！！！
CGPoint transP = [pan translationInView:self.imageV];
NSLog(@"%@",NSStringFromCGPoint(transP));
self.imageV.transform = CGAffineTransformTranslate(self.imageV.transform, transP.x, transP.y);
// 让它相对于上一次 吧上次的值给清空，进行复位
[pan setTranslation:CGPointZero inView:self.imageV];
NSLog(@"拖动View");
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end