iOS CGRectDivide布局(代碼舉例)

#import "BingChengItemViewCell.h"

#import <UIButton+WebCache.h>

staticCGRect oldframe;//用於記錄放大之前的frame

@implementation BingChengItemViewCell

- (void)awakeFromNib {

    [self.bgViewsetCornerRadius:5];

}

-(void)loadContentAndImages:(MedicalPeriodDto*)periodDto

{

   CGFloat height = [periodDto.remarkboundingRectWithSize:CGSizeMake(WIDTH-20,MAXFLOAT)

                                                options:NSStringDrawingUsesLineFragmentOrigin

                                             attributes:@{NSFontAttributeName:[UIFontsystemFontOfSize:15]} context:nil].size.height;

   if (height <35) {

        height =35;

    }

    

   UILabel *remarkLab = [[UILabelalloc]initWithFrame:CGRectMake(5,35,self.bgView.bounds.size.width-10, height)];

    remarkLab.text = periodDto.remark;

    remarkLab.textColor =EHMO_COLOR_GRAY3;

    remarkLab.font = [UIFontsystemFontOfSize:14];

    [self.bgViewaddSubview:remarkLab];

   CGRect aRect, bRect, bounds =CGRectMake(2, height +35,self.bgView.bounds.size.width,10000000);

   NSInteger rows = periodDto.attachments.count%3==0?periodDto.attachments.count/3:periodDto.attachments.count/3+1;

   for (int i =0; i<rows; i++) {

       (核心代碼)QZRectDivideWithPadding(bounds, &aRect, &bounds, 90, 10, CGRectMinYEdge);

       for (int m =0; m<3; m++) {

           NSInteger index = i *3 + m;

           if (index >= periodDto.attachments.count) {

               return;

            }

           (核心代碼)QZRectDivideWithPadding(aRect, &bRect, &aRect, bounds.size.width/3, 5, CGRectMinXEdge);

           UploadFileDto *fileDto = [periodDto.attachmentsobjectAtIndex:index];

            

            UIButton *button = [UIButtonbuttonWithType:UIButtonTypeCustom];

            button.frame = bRect;

            [buttonsd_setImageWithURL:[NSURLURLWithString:fileDto.url]forState:UIControlStateNormal];

            [button addTarget:selfaction:@selector(enlargeImage:)forControlEvents:UIControlEventTouchUpInside];

            [self.bgViewaddSubview:button];

        }

    }

}

//放大圖片

-(void)enlargeImage:(UIButton *)button{

    

    UIWindow *window=[UIApplicationsharedApplication].keyWindow;

    UIView *backgroundView=[[UIViewalloc]initWithFrame:CGRectMake(0,0, [UIScreenmainScreen].bounds.size.width, [UIScreenmainScreen].bounds.size.height)];

   oldframe=[buttonconvertRect:button.boundstoView:self.contentView];

    backgroundView.backgroundColor=[UIColorblackColor];

    backgroundView.alpha=0;

    button.tag=1;

    [backgroundViewaddSubview:button];

    [windowaddSubview:backgroundView];

    

    UITapGestureRecognizer *tap=[[UITapGestureRecognizeralloc]initWithTarget:selfaction:@selector(hideImage:)];

    [backgroundViewaddGestureRecognizer:tap];

    

    [UIViewanimateWithDuration:0.3animations:^{

        button.frame=CGRectMake(0,([UIScreenmainScreen].bounds.size.height-(button.frame.size.height*[UIScreenmainScreen].bounds.size.width/button.frame.size.width+80))/2, [UIScreen mainScreen].bounds.size.width, button.frame.size.height*[UIScreenmainScreen].bounds.size.width/button.frame.size.width+80);

        backgroundView.alpha=1;

    }completion:^(BOOL finished) {

        button.userInteractionEnabled=NO;

    }];

}

//還原圖片

-(void)hideImage:(UITapGestureRecognizer*)tap{

   UIView *backgroundView=tap.view;

   UIButton *button=(UIButton *)[tap.viewviewWithTag:1];

    [UIViewanimateWithDuration:0.3animations:^{

        button.frame=oldframe;

        backgroundView.alpha=0;

    }completion:^(BOOL finished) {

        [backgroundViewremoveFromSuperview];

        [self.contentViewaddSubview:button];

        button.userInteractionEnabled=YES;

    }];

}

//自動排文圖片的位置(核心代碼)

void QZRectDivideWithPadding(CGRect rect,CGRect *slice,CGRect *remainder,CGFloat amount,CGFloat padding,CGRectEdge edge) {

    

   CGRect tmpSlice;

    

   CGRectDivide(rect, &tmpSlice, &rect, amount, edge);

   if (slice) {

        *slice = tmpSlice;

    }

    

   CGRectDivide(rect, &tmpSlice, &rect, padding, edge);

   if (remainder) {

        *remainder = rect;

    }

}

- (void)setSelected:(BOOL)selected animated:(BOOL)animated {

    [supersetSelected:selectedanimated:animated];

    // Configure the view for the selected state

}

@end