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PHP - Manual: ps_setgray - 互联网笔记

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PHP - Manual: ps_setgray

2025-05-13

ps_setgray

(PECL ps >= 1.1.0)

ps_setgraySets 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

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官方地址:https://www.php.net/manual/en/function.ps-setgray.php

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