Re: CGImage and NSBitmapImageRep
Re: CGImage and NSBitmapImageRep
- Subject: Re: CGImage and NSBitmapImageRep
- From: Herr Witten <email@hidden>
- Date: Mon, 2 Aug 2004 17:24:15 -0400
From what I can tell, CGImage offers non-premultiplied data and the
ability to change the location of the alpha component. Yet,
NSBitmapImageRep does not automatically premultiply. Is the location of
alpha only useful for nonstandard image data? Does a Cocoa application
have any need to use CGImage? Thanks.
On Aug 2, 2004, at 2:39 PM, Herr Witten wrote:
What exactly makes one better than the other?
It seems that CGImage gives more control over how the data is store,
but NSBitmapImageRep already knows about more formats. What are other
differences?
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