A method called by the base class to generate a row of output samples.
FillInfo [in, ref, retval]
Type: const DXPtrFillInfo
DXPtrFillInfo structure describing the location to fill and the alignment within the procedural surfaces's coordinate space.
This method does not return a value.
Derived classes must override this virtual function. This function is responsible for calculating a row of output samples based on coordinates on the procedural surface.