Re: fade-out/fade-in
Re: fade-out/fade-in
- Subject: Re: fade-out/fade-in
- From: "Douglas A. Welton" <email@hidden>
- Date: Sun, 03 Aug 2003 16:54:41 -0400
Alex,
Why not just use QuickTime to do the "fading" effect? If you let QuickTime
do it, then you will get all the other QuickTime effects "for free" (even if
you don't want to use them right now).
curiously,
douglas
on 8/2/03 2:36 PM, Alex Reynolds at email@hidden wrote:
>
On Saturday, August 2, 2003, at 02:22 pm, David Remahl wrote:
>
>
> The answer to your question is "yes, of course".
>
>
I know about the CG calls to fade the entire screen. I've written a
>
small app that can set the screen resolution and then control that
>
screen.
>
>
I don't want to fade the entire screen, but rather fade between two of
>
either a:
>
>
-- QuickTime object (image, movie); or a
>
-- WebKit object (web page)
>
>
and leave a third QuickTime or WebKit object always layered on top.
>
>
CG + OpenGL seems to take over the entire screen. So I can fade out one
>
item and then fade in the next, but then I can't keep anything on there
>
in the meantime.
>
>
When you say "of course" are there specific calls you can make to do
>
compositing of several layers? I don't know what to look for in the CG
>
or OpenGL documentation to do this.
>
>
Regards,
>
Alex
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