Q We can't apply the rotation and skew effects to a QuickTime 1.5 movie. We've created an
identity matrix, applied RotateMatrix to the matrix, set the matrix to the movie using SetMovieMatrix, and played
the movie. The movie didn't rotate but the movieRect rotated and the movie scaled to the movieRect. Is there
anything wrong with what we're doing?
A Rotation and skew will give you correct results for matrix operations but they haven't been implemented into
QuickTime movie playback yet. Scaling and offset transformations now work with movies and images; rotation and skew are important
future directions. Meanwhile, you can accomplish rotation and skewing by playing a movie to an off-screen GWorld and then use QuickDraw GX
or your own graphics routines to display the rotated or skewed off-screen Gworld.
[May 01 1995]
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