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(PHP 4, PECL pdflib >= 1.0.0)
PDF_setgray_fill — Set fill color to gray [deprecated]
$p
, float $g
)
Sets the current fill color to a gray value between 0 and 1 inclusive.
成功时返回 TRUE
, 或者在失败时返回 FALSE
。
This function is deprecated since PDFlib version 4, use PDF_setcolor() instead.