IOS开发之为视图绘制单(多)个圆角实例代码
IOS开发之为视图绘制单(多)个圆角实例代码
前言:
为视图绘制圆角,圆角可以选左上角、左下角、右下角、右上角、全部圆角
//CoreRaduias UIView*actionView=[[UIViewalloc]initWithFrame:CGRectMake(0,0,200,200)]; UIBezierPath*maskPath=[UIBezierPathbezierPathWithRoundedRect:actionView.boundsbyRoundingCorners:UIRectCornerTopRight|UIRectCornerBottomRightcornerRadii:CGSizeMake(20,20)]; CAShapeLayer*maskLayer=[[CAShapeLayeralloc]init]; maskLayer.frame=actionView.bounds; maskLayer.path=maskPath.CGPath; actionView.layer.mask=maskLayer;
UIRectCorner枚举值如下:
typedefNS_OPTIONS(NSUInteger,UIRectCorner){ UIRectCornerTopLeft=1<<0, UIRectCornerTopRight=1<<1, UIRectCornerBottomLeft=1<<2, UIRectCornerBottomRight=1<<3, UIRectCornerAllCorners=~0UL };
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