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Re: Mac 32 bit color depth?
"Joseph B. Gurman" <gurman@ari.net> writes:
> In article <thierry-2203011142210001@dualpants.dev.rsinc.com>,
> thierry@NOSPAM.rsinc.com (Thierry Faucounau) wrote:
>
> [snip]
> >
> > I am not averse to returning the "usable" (from an IDL standpoint) visual
> > depth from get_visual_depth which would be 24 (essentially ignoring the
> > fact that on the Mac, all "true color" buffers are in fact 32bits) for
> > the sake of portability.
> >
> > --
> > Thierry Faucounau
> > Research Systems, Inc.
>
> [snip]
>
> Thierry, that sounds very reasonable --- but it would be great to be
> able to access the transparency channel: I would love to be able to
> create movies (e.g. with XINTERANIMATE) in IDL that include transparency
> effects.
>
> Any chance?
>
> Thanks,
>
> Joe Gurman
And wouldn't it make the creation of .png files a little easier?
Don't they support a native RGBA?
whd
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