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NSBezierPath compositing

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NSBezierPath compositing

Subject: NSBezierPath compositing
From: Simon Bovet <email@hidden>
Date: Wed, 9 Mar 2005 15:05:39 +0100

Is there a way to change the composite operation for a -[NSBezierPath fill] ? I actually want to erase a non-rectangular portion of an NSImage.

For rectangular areas, I can of course use:

	[myImage lockFocus];
	[[NSColor clearColor] set];

	NSRectFill(myRect);
	/* or
	NSRectFillUsingOperation(myRect, NSCompositeCopy); */

	[myImage unlockFocus];

What if I want to erase an arbitrary Bezier path? [myBezierPath fill] won't do anything since it is always using the NSCompositeSourceOver operation...

Thanks for your help!
Simon

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