(PECL ps >= 1.3.0)
ps_setoverprintmode — Sets overprint mode
$psdoc
$mode
本函数还未编写文档,仅有参数列表。
psdoc
Resource identifier of the postscript file as returned by ps_new().
mode
成功时返回 TRUE, 或者在失败时返回 FALSE.
TRUE
FALSE