Re: drawing on top of a NSMovieView?
Re: drawing on top of a NSMovieView?
- Subject: Re: drawing on top of a NSMovieView?
- From: Darrin Cardani <email@hidden>
- Date: Thu, 15 Apr 2004 07:51:21 -0500
At 10:00 PM -0700 4/14/04, Steve Christensen <email@hidden> wrote:
I have a window containing a NSMovieView plus another NSView on top of
it that draws a variety of items (text, graphics, etc.). All is well in
the world until I have the move start playing, and then the view in
front of the movie gets "erased" as the movie plays.
Is there a recommended way to be able to redraw the top NSView as each
frame in the NSMovieView is displayed? I see that, for example, iDVD
handles that correctly with their animated themes, but don't have a
good idea about how to go about it myself.
I wonder if using a "frame done drawing" callback would work? I
forget the exact function, but there's a QuickTime function that
allows you to install a callback to get called whenever a frame is
done being rendered. I think it's the DrawingComplete related
functions like this one:
<
http://developer.apple.com/documentation/QuickTime/APIREF/SOURCESII/newmoviedrawingcompleteupp.htm>
Darrin
--
Darrin Cardani - email@hidden
President, Buena Software, Inc.
<
http://www.buena.com/>
Video, Image and Audio Processing Development
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