Thanks, Erick. Yes, I'm seeing that it is definitely more complicated
than I hoped for. I will check out the MBS plug-ins. If I could find
a given plug-in and/or routine to accomplish this task, I won't re-
invent the wheel. Thanks for your help.
Elvin
On Mar 28, 2006, at 1:16 AM, E. Tejkowski wrote:
My Quartz Composer article might be one route, but it's limited to
static images that are premade as qtz movies. I suspect what you
probably really want is the ability to add a matte track to a
movie, so you can draw on that track and see the other movie track
behind it. Perhaps this could be accomplished with the QT API
SetTrackMatte function. This will involve some heavy lifting via
declares or a plugin. I believe MBS has this functionality already.
Unless you're a QuickTime and Declare/plugin whiz, it's almost
certainly a cheaper route than writing your own solution.(it
involves GraphPtrs and other goodies that aren't always so fun to
deal with in RB). Not to dissuade you from trying though. It can be
done, but it's a lot of work. Another option you have in QuickTime
would be to create a sprite track and turn on transparency.
Thirdly, you could investifate skinned movie tracks, as they also
permit transparency. QuickTime is pretty vast and many tasks can be
accomplished in multiple ways, but it's not built in.
Erick
On Mar 27, 2006, at 6:07 PM, James Mullins wrote:
Check out issue 4.2
http://www.rbdeveloper.com/browse/4.2/4209/
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