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Description

This function fills an area of the display. Filling starts at the point
('Xbegin','Ybegin'). If this point lies inside a figure, the interior is
filled with the 'Color'.
Filling occurs in all directions, stopping at the color different from the..color of the pixel original at the location ('Xbegin','Ybegin').
The point ('Xbegin','Ybegin') must lie inside the current viewport.
Clipping is performed.

Syntax

  FGL_fill(< Xbegin >,< Ybegin >,< Color >) -> Result.