|Subject:||Re: Pre-multiplied alpha|
|Date:||Fri, 12 Dec 2003 13:13:59 +0000|
> Does the image data stored in an NSBitmapImageRep have premultiplied > alpha (aka associated alpha) or not (aka unassociated alpha)? The image > data passed to NSDrawBitmap? Its premultiplied in the image rep - if you pull the data out to do anything with it then you treat it as such. -bat.
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