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Re: NSImage vs. CGLayer/CIImage

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Re: NSImage vs. CGLayer/CIImage

Subject: Re: NSImage vs. CGLayer/CIImage
From: Volker Runkel <email@hidden>
Date: Wed, 7 Nov 2007 13:52:25 +0100

Hi there,

Has anybody an idea why the use of CIImage to draw is so slow? How does NSImage do its magic? Are there other ways to draw CGLayerRef or CIImage that support the various compositing operations and alpha?

Is it possible that the NSImage caching is responsible for that? I usually have a way faster CIImage than NSImage.

Volker

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References:  
  >NSImage vs. CGLayer/CIImage (From: Manfred Schwind <email@hidden>)




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