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nielsbot/CGPathCreateRoundRect.m

Created August 26, 2012 23:47
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Function to create a round rect CGPath
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CGPathCreateRoundRect.m
CGPathRef CGPathCreateRoundRect( const CGRect r, const CGFloat cornerRadius )
{
CGMutablePathRef p = CGPathCreateMutable() ;
CGPathMoveToPoint( p, NULL, r.origin.x + cornerRadius, r.origin.y ) ;
CGFloat maxX = CGRectGetMaxX( r ) ;
CGFloat maxY = CGRectGetMaxY( r ) ;
CGPathAddArcToPoint( p, NULL, maxX, r.origin.y, maxX, r.origin.y + cornerRadius, cornerRadius ) ;
CGPathAddArcToPoint( p, NULL, maxX, maxY, maxX - cornerRadius, maxY, cornerRadius ) ;
CGPathAddArcToPoint( p, NULL, r.origin.x, maxY, r.origin.x, maxY - cornerRadius, cornerRadius ) ;
CGPathAddArcToPoint( p, NULL, r.origin.x, r.origin.y, r.origin.x + cornerRadius, r.origin.y, cornerRadius ) ;
return p ;
}
@filletofish
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filletofish commented Mar 5, 2018 •
edited
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Swift code:

 let path = UIBezierPath(roundedRect: rect, byRoundingCorners: .allCorners, cornerRadii: CGSize(width: 2, height: 8)).cgPath

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