PS_begin_pattern -- Starts a new pattern
int PS_begin_pattern(PSDoc *psdoc, float width, float height, float xstep, float ystep, int painttype)
A pattern can be thought of like a color for drawing and filling.
PS_setcolor is used to apply a pattern.
The pattern itself has given dimension an a stepping in horizontal and
vertical direction. The stepping comes into effect when the area to be
fill is larger than the pattern itself. In such a case the pattern will
be repeated with a distance of
xstep in horizontal
ystep in vertical direction.
Each call of
PS_begin_pattern must be accompanied
by a call to
Returns identifier of the pattern or zero in case of an error.
The identifier is a positiv number greater 0.