Re: Cross-SDK CGImageCreate
Re: Cross-SDK CGImageCreate
- Subject: Re: Cross-SDK CGImageCreate
- From: David Dunham <email@hidden>
- Date: Sat, 8 Oct 2005 15:02:36 -0700
Eric
> If I want my code to run on Intel, I need to use
kCGBitmapByteOrder32Host. This constant doesn't exist prior to
10.4, and I need to run on 10.2. So my first thought was simply to
define it.
But that doesn't work, since the argument of CGImageCreate has
changed in 10.4 -- it used to be CGImageAlphaInfo, and is now
> CGBitmapInfo.
Both CGImageAlphaInfo and CGBitmapInfo are 32-bit values (at least as
far as the calling convention is concerned), so I'm a bit confused as
to how the change is causing any trouble here. Can you explain that
a bit?
Clearly it's runtime-compatible. But CodeWarrior at least considers
them different types and complains. (I can't use Xcode for this
because of some [filed] bugs, though the header file is different no
matter what IDE I'd use.)
--
David Dunham A Sharp, LLC
Voice/Fax: 206 783 7404 http://a-sharp.com
Efficiency is intelligent laziness.
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