(PHP 4, PECL pdflib >= 1.0.0)
Set color to gray [deprecated]
bool PDF_setgray ( resource $p, float $g )
Sets the current fill and stroke color to a gray value between 0 and 1 inclusive. Returns TRUE
on success or FALSE
on failure.
This function is deprecated since PDFlib version 4, use PDF_setcolor() instead.
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