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Re: NSImage, caching and interpolation

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Re: NSImage, caching and interpolation

Subject: Re: NSImage, caching and interpolation
From: Robert Clair <email@hidden>
Date: Thu, 23 Mar 2006 22:42:07 -0500

I've always found the behavior of NSImage to range the full gamut from undocumented to inexplicable. The only way I ever figured anything out was to put in some code or use the debugger to examine the number and type of representations the NSImage had at every step of the way.

I, too, would have thought that it would respect the interpolation hint and then cache the result. But if it isn't doing it, then you probably have to draw the original image to another NSImage with the interpolation hint and then draw the down-sampled image to the screen (which will cause its NSBitmapImageRep to be replaced with a NSCachedImageRep unless you tell it otherwise).


.....Bob
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