DrawableImage::CalcFilterRect

DrawableImage::CalcFilterRect
static void CalcFilterRect(RectF* result, const Rect<SInt32>& sourceRect, Filter* filter);
Description

CalcFilterRect determines what rectangle ApplyFilter would affect (twips).

Parameters
Parameters 
Description 
RectF* result 
the resultant rectangle to which the filter is applied. 
const Rect<SInt32>& sourceRect 
A rectangle defining the area of the source image to use as input. 
Filter* filter 
A filter object that you use to calculate the destination rectangle.