iboss-ios/IBOSS.xcodeproj/PrintCell.m

//  图片轮播（无限循环）
//
//  Created by yixiang on 14/12/12.
//  Copyright (c) 2014年 yixiang. All rights reserved.
//

#import "PrintCell.h"

@interface PrintCell(){
     CGFloat scaleNum;//图片放大倍数
      CATransition *animation;//缩放动画效果
    UIImageView *imgV;
    UITapGestureRecognizer *singleTapGesture;
}

@end
@implementation PrintCell

-(instancetype)initWithFrame:(CGRect)frame{
    self =[super initWithFrame:frame];
    if (self) {
     
    }
  
    return self;
}
- (UIImageView*)imgView {
    _btnCheck=[UIButton buttonWithType:UIButtonTypeCustom];
    _btnCheck.frame=CGRectMake(15, 100, 25, 25);
     [_btnCheck addTarget:self action:@selector(btnGoCheck) forControlEvents:UIControlEventTouchUpInside];
    [self.contentView addSubview:_btnCheck];
    
    _imgView =[[UIImageView alloc]init];;
    _imgView.frame = CGRectMake(CGRectGetMaxX(_btnCheck.frame)+10,10,self.contentView.frame.size.width-CGRectGetMaxX(_btnCheck.frame)-20, 200);
    [self.contentView addSubview: _imgView];
    _imgView.userInteractionEnabled=YES;
    //单击手势
    singleTapGesture= [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(handleSingleTap:)];
    singleTapGesture.numberOfTapsRequired = 1;
    [_imgView addGestureRecognizer:singleTapGesture];
    _label=[[UILabel alloc]init];
    _label.frame= CGRectMake(Screen_Width/2-20,CGRectGetMaxY(_imgView.frame)+3 ,70,25);
    [self.contentView addSubview:_label];
    return _imgView;
    
}

-(void)initScrollView{
    UIWindow *window = self.window;
    _scrollView =[[UIScrollView alloc] initWithFrame:window.frame];
    _scrollView.bounces = true;    //反弹
    _scrollView.scrollEnabled = true ; //滚动
    _scrollView.userInteractionEnabled=YES;
    UITapGestureRecognizer *tapGes = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(closeView:)];
    _scrollView.backgroundColor = [UIColor blackColor];
    [_scrollView addGestureRecognizer:tapGes];
    
    _sImgView = [[UIImageView alloc] init];
    _sImgView.image=_imgView.image;
    _sImgView.frame = _scrollView.frame;
    _sImgView.contentMode = UIViewContentModeScaleAspectFit;
    _sImgView.userInteractionEnabled = YES;
    singleTapGesture= [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(closeView:)];
    singleTapGesture.numberOfTapsRequired = 1;
    [_sImgView addGestureRecognizer:singleTapGesture];
    [_scrollView addSubview:_sImgView];

    UIPinchGestureRecognizer *pinchGes =
    [[UIPinchGestureRecognizer alloc] initWithTarget:self action:@selector(pinchGesAction:)] ;
    [_sImgView addGestureRecognizer:pinchGes];}

//checkbox切换函数
-(void)btnGoCheck
{
    if([self.delegate respondsToSelector:@selector(btnCheckPressed:)])
    {
        [self.delegate btnCheckPressed:self];
        
    }
}

-(void)setPageNumber:(NSString*)page{
    
    _label.text=page;
    

}

//设置checkbox背景图片
- (void) setCheckBackground: (BOOL) checked
{
    if(!checked)
{
  
    [_btnCheck setImage:[UIImage imageNamed:@"uncheck_round"] forState:UIControlStateNormal];
    
    
}
else
{
 
    [_btnCheck setImage:[UIImage imageNamed:@"check_round"] forState:UIControlStateNormal];
    
}
}


#pragma mark - 处理单击手势
-(void)handleSingleTap:(UIGestureRecognizer *)sender{
    
     [self initScrollView];
    UIWindow *window = self.window;
    [window addSubview:_scrollView];
   
}


-(void)closeView:(UITapGestureRecognizer*)tap{
    [_scrollView removeFromSuperview];
}

-(void)pinchGesAction:(UIPinchGestureRecognizer*)recognizer{
    NSLog(@"Pinch scale: %f", recognizer.scale);
    if (_scrollView.contentSize.width / _scrollView.frame.size.width > 4 && recognizer.scale >1) {
        return ;
    }
    if (recognizer.scale < 1 && _sImgView.frame.size.width / _scrollView.frame.size.width < 1  ) {
       
        _sImgView.frame = _scrollView.frame;
        return ;
    }
    _sImgView.transform = CGAffineTransformScale(_sImgView.transform, recognizer.scale, recognizer.scale);
    _scrollView.contentSize = recognizer.view.frame.size ;
    CGPoint point = CGPointMake(_scrollView.contentSize.width/2, _scrollView.contentSize.height/2);
    
    _sImgView.center = point;
    [_scrollView setContentOffset:CGPointMake(point.x - _scrollView.frame.size.width /2 , point.y - _scrollView.frame.size.height/2)];
    recognizer.scale = 1;
}



@end