ps_shfill -- Fills an area with a shading
( resource psdoc, int shadingid )
Fills an area with a shading, which has to be created before with
ps_shading(). This is an alternative way to creating
a pattern from a shading ps_shading_pattern() and using
the pattern as the filling color.
Resource identifier of the postscript file
as returned by ps_new().
The identifier of a shading previously created with
Returns TRUE on success or FALSE on failure.