PS 函数
PHP Manual

ps_setgray

(PECL ps >= 1.1.0)

ps_setgraySets gray value

说明

bool ps_setgray ( resource $psdoc , float $gray )

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


PS 函数
PHP Manual