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
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