CHTPhotoBrowser

A Photo Browser With High Quality

Introduction

A Photo Browser With High Quality.

The images can be from local or web.

No matter how many photos there is, it will be three image container.

The image above shows the usage.

Usage

init method

• web images

- (instancetype)initWithFrame:(CGRect)frame imageUrls:(NSArray <NSString *>*)imageUrls placeholderImage:(UIImage *)placeholderImage;

• local images

- (instancetype)initWithFrame:(CGRect)frame images:(NSArray <UIImage *>*)images;

property

• set if the browser is infinite loop

@property (nonatomic, assign, getter=isInfiniteScroll) BOOL infiniteScroll;

• set the pageControl hidden or showed

@property (nonatomic, assign, getter=isShowPageControl) BOOL showPageControl;

• set the current image to show

@property (nonatomic, assign) NSInteger currentIndex;

delegate

@property (nonatomic, weak) id <CHTPhotoBrowserDelegate> delegate;

protocol

@protocol CHTPhotoBrowserDelegate <NSObject>

@optional
- (void)photoBrowser:(CHTPhotoBrowser *)photoBrowser didSelectItemAtIndex:(NSInteger)index;

- (void)photoBrowser:(CHTPhotoBrowser *)photoBrowser didScrollToIndex:(NSInteger)index;

@end

demo

• web images

//photo from internet
NSArray *urlStrs = @[
                     @"http://img.mp.itc.cn/upload/20160826/9ac726cfdd3f480cb0bfaa34e6d62bf7_th.png",
                     @"http://img.mp.itc.cn/upload/20160826/440bbbaf33bd40e2b3707834ff85347e_th.jpg",
                     @"http://img.mp.itc.cn/upload/20160826/776dbf927f9c416487f1ba0378211144_th.jpg",
                     @"http://img.mp.itc.cn/upload/20160826/e5b3787c69074e86bc43a68772089c89_th.jpg"
                     ];
    
CHTPhotoBrowser *photoBrowser = [[CHTPhotoBrowser alloc]initWithFrame:CGRectMake(0, 0, SCREENWIDTH, SCREENHEIGHT) imageUrls:urlStrs placeholderImage:[UIImage imageNamed:@"placePhoto"]];
[self.view addSubview:photoBrowser];

• local images

//local image
NSMutableArray *photos = [NSMutableArray new];
for (NSUInteger i = 0; i < 4; i ++) {
    
    UIImage *image = [UIImage imageNamed:[NSString stringWithFormat:@"%ld.jpg",i+1]];
    [photos addObject:image];
}
    
CHTPhotoBrowser *photoBrowser = [[CHTPhotoBrowser alloc]initWithFrame:CGRectMake(0, 0, SCREENWIDTH, SCREENHEIGHT) images:photos];
photoBrowser.delegate = self;
    
[self.view addSubview:photoBrowser];

More detail showed in the CHTPhotoBrowserDemo Project

LICENSE

MIT