ps_clip
(PECL)
ps_clip -- Clips drawing to current path
说明
bool
ps_clip ( resource psdoc )
Takes the current path and uses it to define the border of a clipping area.
Everything drawn outside of that area will not be visible.
参数
psdoc
Resource identifier of the postscript file
as returned by ps_new().
返回值
如果成功则返回 TRUE，失败则返回 FALSE。