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copied!<p>Right from Apple documentation: <a href="https://developer.apple.com/library/mac/documentation/cocoa/Conceptual/CocoaDrawingGuide/Paths/Paths.html#//apple_ref/doc/uid/TP40003290-CH206-SW2" rel="nofollow noreferrer">Creating a CGPathRef From an NSBezierPath Object</a></p> <p>Here is the relevant code.</p> <pre><code>@implementation NSBezierPath (BezierPathQuartzUtilities) // This method works only in OS X v10.2 and later. - (CGPathRef)quartzPath { int i, numElements; // Need to begin a path here. CGPathRef immutablePath = NULL; // Then draw the path elements. numElements = [self elementCount]; if (numElements > 0) { CGMutablePathRef path = CGPathCreateMutable(); NSPoint points[3]; BOOL didClosePath = YES; for (i = 0; i < numElements; i++) { switch ([self elementAtIndex:i associatedPoints:points]) { case NSMoveToBezierPathElement: CGPathMoveToPoint(path, NULL, points[0].x, points[0].y); break; case NSLineToBezierPathElement: CGPathAddLineToPoint(path, NULL, points[0].x, points[0].y); didClosePath = NO; break; case NSCurveToBezierPathElement: CGPathAddCurveToPoint(path, NULL, points[0].x, points[0].y, points[1].x, points[1].y, points[2].x, points[2].y); didClosePath = NO; break; case NSClosePathBezierPathElement: CGPathCloseSubpath(path); didClosePath = YES; break; } } // Be sure the path is closed or Quartz may not do valid hit detection. if (!didClosePath) CGPathCloseSubpath(path); immutablePath = CGPathCreateCopy(path); CGPathRelease(path); } return immutablePath; } @end </code></pre> <h3>Bug Reporter</h3> <p><a href="http://rdar://15758302" rel="nofollow noreferrer">rdar://15758302</a>: NSBezierPath to CGPath.</p>

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