sizeWithFont:constrainedToSize:转boundingRectWithSize:options:
2015-02-08 16:15
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CGFloat width1=[(NSString *)ob1 sizeWithFont:[UIFontsystemFontOfSize:16] constrainedToSize:CGSizeMake(1000,FONTHEIGHT)].width;
转
CGFloat width1=[(NSString *)ob1boundingRectWithSize:CGSizeMake(1000, FONTHEIGHT)options:NSStringDrawingUsesLineF
ragmentOriginattributes:@{NSFontAttributeName:[UIFont systemFontOfSize:16]}context:nil].size.width;
boundingRectWithSize: CGSize 对应constrainedToSize:
CGSize
attributes:@{NSFontAttributeName: [ UIFont ] }对应 sizeWithFont[
UIFont ]
options: NSStringDrawingUsesLineFragmentOrigin 默认照填
context: nil 默认照填
转
CGFloat width1=[(NSString *)ob1boundingRectWithSize:CGSizeMake(1000, FONTHEIGHT)options:NSStringDrawingUsesLineF
ragmentOriginattributes:@{NSFontAttributeName:[UIFont systemFontOfSize:16]}context:nil].size.width;
boundingRectWithSize: CGSize 对应constrainedToSize:
CGSize
attributes:@{NSFontAttributeName: [ UIFont ] }对应 sizeWithFont[
UIFont ]
options: NSStringDrawingUsesLineFragmentOrigin 默认照填
context: nil 默认照填
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