Developer Documentation

QuickTime 4 API Documentation

Wired Movies and Sprites

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Operands Targeting Spatial Tracks

Operands targeting spatial tracks return the current value of a particular property of a movie. You can use, for example, kOperandTrackWidth and kOperandTrackHeight to center a sprite within a track.

kOperandTrackLayer
No Params

The target track's layer is returned.

kOperandTrackWidth
No Params

The target track's width is returned.

kOperandTrackHeight
No Params

The target track's height is returned.

kOperandMouseLocalHLoc
No Params

The horizontal location of the mouse in the local coordinate system of the target track is returned.

kOperandMouseLocalVLoc
No Params

The vertical location of the mouse in the local coordinate system of the target track is returned.


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