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用CATextLayer来实现一个UILabel
用CATextLayer来实现一个UILabel
by 伍雪颖
CATextLayer *textLayer = [CATextLayerlayer];
textLayer.frame =CGRectMake(100,100,100,100);
[self.view.layeraddSublayer:textLayer];
textLayer.foregroundColor = [UIColorblackColor].CGColor;
textLayer.alignmentMode =kCAAlignmentJustified;
textLayer.wrapped =YES;
UIFont *font = [UIFontsystemFontOfSize:15];
CFStringRef fontName = (__bridgeCFStringRef)font.fontName;
CGFontRef fontRef =CGFontCreateWithFontName(fontName);
textLayer.font = fontRef;
textLayer.fontSize = font.pointSize;
CGFontRelease(fontRef);
NSString *text =@"Cupid laid by his brand, and fell asleep";
[self.view.layeraddSublayer:textLayer];
textLayer.foregroundColor = [UIColorblackColor].CGColor;
textLayer.alignmentMode =kCAAlignmentJustified;
textLayer.wrapped =YES;
UIFont *font = [UIFontsystemFontOfSize:15];
CFStringRef fontName = (__bridgeCFStringRef)font.fontName;
CGFontRef fontRef =CGFontCreateWithFontName(fontName);
textLayer.font = fontRef;
textLayer.fontSize = font.pointSize;
CGFontRelease(fontRef);
NSString *text =@"Cupid laid by his brand, and fell asleep";
textLayer.string = text;
textLayer.contentsScale = [UIScreenmainScreen].scale;// 在Retina显示
用CATextLayer来实现一个UILabel
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