FWAttributedLabelAttachment

@interface FWAttributedLabelAttachment : NSObject

@property (nonatomic,strong) id                    content;
@property (nonatomic,assign) UIEdgeInsets          margin;
@property (nonatomic,assign) FWAttributedAlignment alignment;
@property (nonatomic,assign) CGFloat               fontAscent;
@property (nonatomic,assign) CGFloat               fontDescent;
@property (nonatomic,assign) CGSize                maxSize;


+ (FWAttributedLabelAttachment *)attachmentWith:(id)content
                                         margin:(UIEdgeInsets)margin
                                      alignment:(FWAttributedAlignment)alignment
                                        maxSize:(CGSize)maxSize;

- (CGSize)boxSize;

@end