DJStatusPhotoView.m
#import "DJStatusPhotoView.h"
#import "UIImageView+WebCache.h"
#import "DJPhoto.h" @interface DJStatusPhotoView() // GIF标记
@property (nonatomic,weak) UIImageView *gifView; @end @implementation DJStatusPhotoView - (instancetype)initWithFrame:(CGRect)frame
{
self = [super initWithFrame:frame];
if (self) { // typedef NS_ENUM(NSInteger, UIViewContentMode) {
// UIViewContentModeScaleToFill, // 默认值,拉伸并填充到整个ImageView,可能变形
// UIViewContentModeScaleAspectFit, // 拉伸至完全显示在imageView里面,不会变形
// UIViewContentModeScaleAspectFill, // 【推荐使用!!!】拉伸至图片的宽度等于imageView的宽度或高度为止
// UIViewContentModeRedraw, // 不常用,当调用setNeedsDisplay的时候,会重绘图片
// UIViewContentModeCenter, // 居中显示,不会拉伸
// UIViewContentModeTop,
// UIViewContentModeBottom,
// UIViewContentModeLeft,
// UIViewContentModeRight,
// UIViewContentModeTopLeft,
// UIViewContentModeTopRight,
// UIViewContentModeBottomLeft,
// UIViewContentModeBottomRight,
// };
//
//
// // self.clipsToBounds 超出边框的部分会剪掉,通常与AspectFill配合使用
//
// // 规律:
// // 1. 凡是带有scale单词的,图片都会拉伸
// // 2. 凡是带有Aspect单词的,图片都会保持原来的宽高比,图片不会变形 self.contentMode = UIViewContentModeScaleAspectFill;
self.clipsToBounds = YES;
}
return self;
} - (UIImageView *)gifView { if (!_gifView) {
UIImage *gifImage = [UIImage imageNamed:@"timeline_image_gif"];
UIImageView *gifView = [[UIImageView alloc] initWithImage:gifImage];
[self addSubview:gifView];
_gifView = gifView;
}
return _gifView;
} - (void)setPhoto:(DJPhoto *)photo { _photo = photo; // 取得缩略图对应的中型图片
NSString *photo_image_url = photo.thumbnail_pic;
photo_image_url = [photo_image_url stringByReplacingOccurrencesOfString:@"thumbnail" withString:@"bmiddle"]; // 设置显示图片
[self sd_setImageWithURL:[NSURL URLWithString:photo_image_url] placeholderImage:[UIImage imageNamed:@"timeline_image_placeholder"]]; // 根据图片类型判断是否显示GIF标记(注意cell会重复利用)
self.gifView.hidden = ![photo.thumbnail_pic.lowercaseString hasSuffix:@"gif"]; DJLog(@"%@",photo.thumbnail_pic); } // 调整gifView的位置(由于使用的是initWithImage创建,所以gifView有宽和高,因此只需要设置x,y值即可)
- (void)layoutSubviews { [super layoutSubviews];
self.gifView.x = self.width - self.gifView.width;
self.gifView.y = self.height - self.gifView.height; } @end
最终效果: