(PECL ps >= 1.3.0)
ps_shading — Creates a shading for later use
$psdoc
,$type
,$x0
,$y0
,$x1
,$y1
,$c1
,$c2
,$c3
,$c4
,$optlist
Creates a shading, which can be used by ps_shfill() or ps_shading_pattern().
The color of the shading can be in any color space except for pattern
.
psdoc
Resource identifier of the postscript file as returned by ps_new().
type
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 c1
to c4
(see ps_setcolor() for their meaning).
x0, x1, y0, y1
The coordinates x0
, y0
, x1
, y1
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.
optlist
If the shading is of type radial
the optlist
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
on failure.