ps_setgray

(PECL ps >= 1.1.0)

ps_setgray — Sets gray value

说明

ps_setgray(resource $psdoc, float $gray): bool

Sets 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。

参见