//

//  ViewController.m

//  UIImageView01

//

//  Created by cqy on 16/2/13.

//  Copyright © 2016年 程清杨. All rights reserved.

//

#import "ViewController.h"

@interface ViewController (){

    UIImageView *img;

}

@end

@implementation ViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    //创建UIImageView

    //通过图⽚名来初始化⼀个UIImageView类。

    img = [[UIImageView alloc]initWithImage:[UIImage imageNamed:@"cat01"]];

    img.frame = CGRectMake(120, 220, 200, 300);

    [self.view addSubview:img];

    //注意：ImageView的默认是NO，是关闭交互。要将userInteractionEnabled（响应者链是否交互）设置为YES

    img.userInteractionEnabled = YES;

    //添加手势

    //轻拍⼿势：

    //创建轻拍手势识别器

    UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(tapAction:)];

      [self->img addGestureRecognizer:tap];

    // ⻓按⼿势

    UILongPressGestureRecognizer *longPress =

    [[UILongPressGestureRecognizer alloc]initWithTarget:self action:@selector(longPressAction:)];

    longPress.minimumPressDuration = 0.5;

    [self->img addGestureRecognizer:longPress];

    //旋转⼿势

    // 旋转

    UIRotationGestureRecognizer *rotation =

    [[UIRotationGestureRecognizer alloc]initWithTarget:self action:@selector(rotationAction:)];

    [self->img addGestureRecognizer:rotation];

   // 捏合⼿势：

    UIPinchGestureRecognizer *pinch =

    [[UIPinchGestureRecognizer alloc]initWithTarget:self action:@selector(pinchAction:)];

    [self->img addGestureRecognizer:pinch];

   // 平移⼿势：

    UIPanGestureRecognizer *pan = [[UIPanGestureRecognizer alloc]initWithTarget:self action:@selector(panAction:)];

    [self->img addGestureRecognizer:pan];

    //轻扫

   

   

    // Do any additional setup after loading the view, typically from a nib.

}

// 轻拍⼿势响应⽅法

- (void)tapAction:(UITapGestureRecognizer *)sender{

    NSLog(@"我是轻拍⼿势..");

    // 换图⽚

    // 获取⼿势图⽚

    UIImageView *temp = (UIImageView *)sender.view;

    temp.image = [UIImage imageNamed:@"cat02"];

}

// ⻓按响应⽅法

- (void)longPressAction:(UILongPressGestureRecognizer *)sender{

    NSLog(@"⻓按⼿势");

   

    if (sender.state == UIGestureRecognizerStateBegan) {

        NSLog(@"⻓按开始..");

        [UIView animateWithDuration:1 animations:^{

            // 修改view的frame

            CGRect temp1 = sender.view.frame;

            temp1.size.width +=50;

            temp1.size.height +=50;

            // 修改完成附回

            sender.view.frame = temp1;

            sender.view.alpha = 0.4;

        }];

    }else if (sender.state == UIGestureRecognizerStateEnded){

        NSLog(@"⻓按结束..");

        [UIView animateWithDuration:1 animations:^{

            // 修改view的frame

            CGRect temp1 = sender.view.frame;

            temp1.size.width -=50;

            temp1.size.height -=50;

            // 修改完成附回

            sender.view.frame = temp1;

            sender.view.alpha = 1;

        }];

    } 

}

// 旋转⼿势响应⽅法

- (void)rotationAction:(UIRotationGestureRecognizer *)sender{

    NSLog(@"我是旋转⼿势..");

    sender.view.transform =

    CGAffineTransformRotate(sender.view.transform,

                            sender.rotation);

    sender.rotation = 0;

}

// 捏合⼿势响应⽅法

- (void)pinchAction:(UIPinchGestureRecognizer *)sender{

    NSLog(@"我是捏合⼿势");

    sender.view.transform =

    CGAffineTransformScale(sender.view.transform, sender.scale,

                           sender.scale);

    sender.scale = 1;

}

// 平移⼿势响应⽅法

- (void)panAction:(UIPanGestureRecognizer *)sender{

    NSLog(@"我是平移⼿势..");

    CGPoint point = [sender translationInView:sender.view];

    sender.view.transform =

    CGAffineTransformTranslate(sender.view.transform, point.x,

                               point.y);

    // 将偏移量归零

    [sender setTranslation:CGPointZero inView:sender.view];

}

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

@end