所用方法
// NOTE: All of the following methods will default to drawing on a baseline, limiting drawing to a single line. // To correctly draw and size multi-line text, pass NSStringDrawingUsesLineFragmentOrigin in the options parameter. @interface NSString (NSExtendedStringDrawing) - (void)drawWithRect:(CGRect)rect options:(NSStringDrawingOptions)options attributes:(NSDictionary *)attributes context:(NSStringDrawingContext *)context NS_AVAILABLE_IOS(7_0); - (CGRect)boundingRectWithSize:(CGSize)size options:(NSStringDrawingOptions)options attributes:(NSDictionary *)attributes context:(NSStringDrawingContext *)context NS_AVAILABLE_IOS(7_0); @end
时间: 2024-10-05 04:06:02