I am writing a QuickTime based application. I have to create an
off-screen GWorld, and I use QTNewGWorldFromPtr for that. And I
use DisposeGWorld when I am done with the GWorld.
But when compiling for Tiger I get a compiler warning saying that
DisposeGWorld is deprecated. Fair enough, except I don't want
compiler warnings. I am the type of person that compilers with
warnings treated as errors.
So my question is this: 1) Is there a newer call to make other
than DisposeGWorld which is not deprecated? Other than that, is
there a way to temporarily turn off this warning around the call
to DisposeGWorld and then turn it back on on the line afterwards?
I would imagine that GWorlds created by QTNewGWorldFromPtr are just
as deprecated as GWorlds created by QuickDraw. It might be
interesting to explore what you are doing with that GWorld and see
if there is a more modern technique which will give you the same
results, but help you avoid QuickDraw altogether.
The weird thing is that QTNewWorldFromPtr isn't deprecated, while the
only function allowing to dispose of the GWorld you got from it is.
In some cases there is no alternative to using the GWorld functions -
for example, there's no way to create a PixelBuffer from memory which
you've allocated yourself (you can write a custom allocator, but this
isn't good enough because you have no idea how the ICM functions are
going to be calling it).
Jerry
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