FWImagePickerPreviewCollectionCell

@interface FWImagePickerPreviewCollectionCell : UICollectionViewCell

/// 缩略图视图
@property(nonatomic, strong, readonly) UIImageView *imageView;
/// imageView内边距，默认zero占满
@property(nonatomic, assign) UIEdgeInsets imageViewInsets UI_APPEARANCE_SELECTOR;
/// 选中边框颜色，默认白色
@property(nullable, nonatomic, strong) UIColor *checkedBorderColor UI_APPEARANCE_SELECTOR;
/// 选中边框宽度，默认3
@property(nonatomic, assign) CGFloat checkedBorderWidth UI_APPEARANCE_SELECTOR;
/// 禁用时蒙层颜色
@property(nonatomic, strong, nullable) UIColor *disabledMaskColor UI_APPEARANCE_SELECTOR;
/// 蒙层视图
@property(nonatomic, strong, readonly) UIView *maskView;
/// 当前是否选中
@property(nonatomic, assign) BOOL checked;
/// 当前是否禁用，默认NO
@property(nonatomic, assign) BOOL disabled;

@property(nonatomic, strong, readonly) UILabel *videoDurationLabel;
/// 是否显示videoDurationLabel，默认YES
@property(nonatomic, assign) BOOL showsVideoDurationLabel UI_APPEARANCE_SELECTOR;
/// videoDurationLabel 的字号
@property(nonatomic, strong) UIFont *videoDurationLabelFont UI_APPEARANCE_SELECTOR;
/// videoDurationLabel 的字体颜色
@property(nonatomic, strong) UIColor *videoDurationLabelTextColor UI_APPEARANCE_SELECTOR;
/// 视频时长文字的间距，相对于 cell 右下角而言，也即如果 right 越大则越往左，bottom 越大则越往上，另外 top 会影响底部遮罩的高度
@property(nonatomic, assign) UIEdgeInsets videoDurationLabelMargins UI_APPEARANCE_SELECTOR;

/// 左下角图标视图，默认判断显示editedIconImage和videoIconImage
@property(nonatomic, strong, readonly) UIImageView *iconImageView;
@property(nullable, nonatomic, strong) UIImage *editedIconImage UI_APPEARANCE_SELECTOR;
@property(nullable, nonatomic, strong) UIImage *videoIconImage UI_APPEARANCE_SELECTOR;
@property(nonatomic, assign) UIEdgeInsets iconImageViewMargins UI_APPEARANCE_SELECTOR;

/// 当前这个 cell 正在展示的 FWAsset 的 identifier
@property(nonatomic, copy, nullable) NSString *assetIdentifier;
- (void)renderWithAsset:(FWAsset *)asset referenceSize:(CGSize)referenceSize;

@end