cpdf_setgray
(PHP 4, PHP 5 <= 5.0.5)
cpdf_setgray — Sets drawing and filling color to gray value
说明
bool cpdf_setgray
( int $pdf_document
, float $gray_value
)
Sets the current drawing and filling color to the given gray value.
返回值
如果成功则返回 TRUE，失败则返回 FALSE。
CDN