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Re: NSColor opacity

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Re: NSColor opacity

Subject: Re: NSColor opacity
From: Uli Kusterer <email@hidden>
Date: Sun, 25 Feb 2007 22:01:46 +0100

Am 30.01.2007 um 05:53 schrieb Ken Tozier:

NSRectFill([self bounds]);

That's your error. In 99% of the cases where I see people using NSRectFill(), it's a mistake. NSRectFill() is for "erasing". I.e. it actually assigns exactly the color you specify to the back buffer. If your window is opaque (no setOpaque:NO) that means it gets black.

 What you want is

	[NSBezierPath fillRect: [self bounds]];

That will composite the colour into what's already in the window.

Cheers,
-- M. Uli Kusterer
http://www.zathras.de

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