Introduction
Defines the functions the host application provides to get information about the
layer where an effect is currently applied.
Methods
- -getLayerGlobalOffsetX:OffsetY:atTime:
- Requests the offset of the bottom left corner of the layer where an effect is
applied.
Requests the offset of the bottom left corner of the layer where an effect is
applied.
- (BOOL)getLayerGlobalOffsetX:(double *)offsetX OffsetY:(double *)offsetY atTime:(double)time;
Parameters
offsetX - Pointer for the X offset of the layer.
offsetY - Pointer for the Y offset of the layer.
time - The time to get this information, expressed in canonical frames.
Return Value
Returns YES if the application successfully provides the layer information; NO
otherwise.
Discussion
Depending on the host application, the time value may be relative to the start of the
timeline or to the start of the clip. See the header file FxPlug/FxHostCapabilities.h.
Last Updated: 2008-06-05