ps_shading — Creates a shading for later use
( resource $psdoc
, string $type
, float $x0
, float $y0
, float $x1
, float $y1
, float $c1
, float $c2
, float $c3
, float $c4
, string $optlist
The color of the shading can be in any color space except for
Resource identifier of the postscript file
as returned by ps_new().
The type of shading can be either radial or
axial. Each shading starts with the current fill
color and ends with the given color values passed in the parameters
(see ps_setcolor() for their meaning).
x0, x1, y0, y1
The coordinates x0
are the start and
end point of the shading. If the type of shading is
radial the two points are the middle points of
a starting and ending circle.
c1, c2, c3, c4
See ps_setcolor() for their meaning.
If the shading is of type radial the
must also contain the parameters
r0 and r1 with the radius of the
start and end circle.
Returns the identifier of the pattern or FALSE in case of an error.