= 1.1.0)ps_setgray — Sets gray value說明ps_setgray(resource $psdoc, float $gray): boolSets the gray value for all following drawing ">
(PECL ps >= 1.1.0)
ps_setgray — Sets gray value
$psdoc
, float $gray
): boolSets the gray value for all following drawing operations.
psdoc
Resource identifier of the postscript file as returned by ps_new().
gray
The value must be between 0 (white) and 1 (black).
成功時返回 true
, 或者在失敗時返回 false
。