> I don't know exactly what they assumed or how this was implemented,
> but I do think that the behavior you're describing sounds like a bug > in CoreImage.
At this point, fixing it is only going break any code that I write to work around it. Not a great situation. Maybe I'll just write code that makes a gradient, samples it, and chooses based on empirical evidence. Ugh!
> Most apps don't need to know what SDK they were built against; they > need to know what the current OS version is. That's what
> NSAppKitVersionNumber is meant to provide - what version of AppKit are > you currently running against. It has _never_ been meant to indicate > what version of the SDK you linked against.
OK. No reason to bang my head against a wall even though this behavior seems to be of limited usefulness. But it is what it is.
On Thu, Mar 20, 2008 at 3:48 PM, Eric Schlegel <email@hidden> wrote:
On Mar 20, 2008, at 3:45 PM, Chris Meyer wrote:
> How would an application ever tell which SDK it was built against?
Most apps don't need to know what SDK they were built against; they
need to know what the current OS version is. That's what
NSAppKitVersionNumber is meant to provide - what version of AppKit are
you currently running against. It has _never_ been meant to indicate
what version of the SDK you linked against.
> Before you dismiss this message (Eric), I think the case in point is
> how CILinearGradient works. It is NOT backwards compatible. The Core
> Image guys probably (correctly) assumed that NSAppKitVersionNumber
> would return the version of AppKit _linked_ against rather than
> _available on the system_.
I don't know exactly what they assumed or how this was implemented,
but I do think that the behavior you're describing sounds like a bug
in CoreImage.
-eric
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