ICanvasEffect Methods |
The ICanvasEffect type exposes the following members.
Name | Description | |
---|---|---|
![]() | GetInvalidRectangles | Queries what regions of the effect output have changed since it was last drawn. |
![]() ![]() | GetRequiredSourceRectangle | Queries what part of an effect source image is needed to draw an output region. |
![]() | GetRequiredSourceRectangles | Queries what parts of the effect source images are needed to draw an output region. |
![]() | InvalidateSourceRectangle | Notifies the effect that one of its source images has changed. |