//

 //  ViewController.m

 //  ImageZoom

 //

 //  Created by hellovoidworld on 14/11/28.

 //  Copyright (c) 2014年 hellovoidworld. All rights reserved.

 //

 #import "ViewController.h"

 @interface ViewController ()

 // 图片控件

 @property (weak, nonatomic) IBOutlet UIImageView *imageView;

 // UIScrollView控件

 @property (weak, nonatomic) IBOutlet UIScrollView *scrollView;

 @end

 @implementation ViewController

 - (void)viewDidLoad {

     [super viewDidLoad];

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

     self.scrollView.contentSize = CGSizeMake(, );

     self.scrollView.delegate = self;

     self.scrollView.maximumZoomScale = 2.0;

     self.scrollView.minimumZoomScale = 0.1;

 }

 - (void)didReceiveMemoryWarning {

     [super didReceiveMemoryWarning];

     // Dispose of any resources that can be recreated.

 }

 - (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView {

      NSLog(@"开始拖曳");

 }

 - (void)scrollViewDidScroll:(UIScrollView *)scrollView {

     NSLog(@"正在拖曳");

 }

 - (void)scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL)decelerate {

     NSLog(@"结束拖曳");

 }

 // 缩放手势调用的方法

 - (UIView *)viewForZoomingInScrollView:(UIScrollView *)scrollView {

     return self.imageView; // 需要放大的ImageView

 }

 - (void)scrollViewWillBeginZooming:(UIScrollView *)scrollView withView:(UIView *)view {

     NSLog(@"开始缩放");

 }

 - (void)scrollViewDidZoom:(UIScrollView *)scrollView {

     NSLog(@"正在缩放");

 }

 - (void)scrollViewDidEndZooming:(UIScrollView *)scrollView withView:(UIView *)view atScale:(CGFloat)scale {

     NSLog(@"结束缩放");

 }

 - (void)scrollViewWillBeginDecelerating:(UIScrollView *)scrollView {

     NSLog(@"拖曳完成后减速开始");

 }

 - (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView {

     NSLog(@"拖曳完成后减速完成");

 }

 @end