PHP Manual
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# cpdf_setgray

(PHP 3 >= 3.0.8, PHP 4, PECL)

cpdf_setgray -- Sets drawing and filling color to gray value

## Description

bool cpdf_setgray ( int pdf_document, float gray_value )

The cpdf_setgray() function sets the current drawing and filling color to the given gray value. 如果成功则返回 `TRUE`，失败则返回 `FALSE`。

See also cpdf_setrgbcolor_stroke() and cpdf_setrgbcolor_fill().

后退 | 起点 | 前进
cpdf_setgray_stroke | 上一级 | cpdf_setlinecap