IOS-UI-触控手势

#import"GCViewController.h"

//触控手势：

@interface GCViewController ()

@end

@implementation GCViewController

{

    UIImageView *imageView;

}

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil

{

    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];

    if (self) {

        // Custom initialization

    }

    return self;

}

- (void)viewDidLoad

{

    [super viewDidLoad];

    // Do any additional setup after loading the view.

    [self initImageView];

}

- (void)initImageView{

    imageView = [[UIImageView alloc] init];

    imageView.frame = CGRectMake(100, 150, 100, 150);

    imageView.image = [UIImage imageNamed:@"back2.jpg"];

    [self.view addSubview:imageView];

    imageView.userInteractionEnabled = YES;

    [self creatPinges];

    [self creatRota];

    [self createPan];

    [self creatLopngpress];

}

//*********************放大：**************//

- (void)creatPinges{

    UIPinchGestureRecognizer *pinGes = [[UIPinchGestureRecognizer alloc] init];

    [pinGes addTarget:self action:@selector(pinClick:)];

    pinGes.delegate = self;

    [imageView addGestureRecognizer:pinGes];

    

}

- (void)pinClick:(UIPinchGestureRecognizer *)pinGes{

   //参数2，x方向的缩放比例

   //参数3，y方向的缩放比例

    pinGes.view.transform = CGAffineTransformScale(pinGes.view.transform,pinGes.scale, pinGes.scale);

   //每次缩放的比例都设为，下次的缩放比例是基于上次的缩放结果。

    pinGes.scale = 1;

}

//*********************移动：**************//

- (void)creatRota{

    UIRotationGestureRecognizer *rotaGes = [[UIRotationGestureRecognizer alloc] init];

    [rotaGes addTarget:self action:@selector(rotaClick:)];

    rotaGes.delegate = self;

    [imageView addGestureRecognizer:rotaGes];

}

- (void)rotaClick:(UIRotationGestureRecognizer *)rotaGes{

    rotaGes.view.transform = CGAffineTransformRotate(rotaGes.view.transform, rotaGes.rotation);

    rotaGes.rotation = 0;

}

//*********************旋转：**************//

- (void)createPan{

    UIPanGestureRecognizer *panGes = [[UIPanGestureRecognizer alloc] init];

    [panGes addTarget:self action:@selector(panCLick:)];

    [imageView addGestureRecognizer:panGes];

}

- (void)panCLick:(UIPanGestureRecognizer *)pan{

    CGPoint point = [pan translationInView:self.view];

    pan.view.transform = CGAffineTransformTranslate(pan.view.transform, point.x, point.y);

    [pan setTranslation:CGPointMake(0, 0) inView:self.view];

}

- (void)didReceiveMemoryWarning

{

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

//*********************长按：**************//

- (void)creatLopngpress{

    UILongPressGestureRecognizer *longGes = [[UILongPressGestureRecognizer alloc] init];

    [longGes addTarget:self action:@selector(longClick:)];

    [imageView addGestureRecognizer:longGes];

}

- (void)longClick:(UILongPressGestureRecognizer *)longGes{

//按压达到0.5秒会触发操作，此次按压松开之后还会再次触发一次。

   //设置触发时长：

    longGes.minimumPressDuration = 1;//按压一秒之后会触发。

    NSLog(@"123456");

}

//是否支持多个手势：

//这个方法的在用户操作时，判定为一种手势的同时还能判定为另一种手势。

//

- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer *)otherGestureRecognizer{

    return YES;

}

/*

#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation

- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender

{

    // Get the new view controller using [segue destinationViewController].

    // Pass the selected object to the new view controller.

}

*/

@end