ps_setgray
(PECL ps >= 1.1.0)
ps_setgray — Sets gray value
说明
ps_setgray
( resource
$psdoc
, float $gray
) : boolSets the gray value for all following drawing operations.
参数
-
psdoc -
Resource identifier of the postscript file as returned by ps_new().
-
gray -
The value must be between 0 (white) and 1 (black).
返回值
成功时返回 true， 或者在失败时返回 false。