PHP Manual
PS 函数
Sets gray value

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

ps_setcolor() - Sets current color

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