(PECL ps >= 1.3.0)
ps_shfill — Fills an area with a shading
$psdoc, int $shadingid): boolFills 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.
psdocResource identifier of the postscript file as returned by ps_new().
shadingidThe identifier of a shading previously created with ps_shading().
成功时返回 true， 或者在失败时返回 false。