Extracted from Pike v7.8 release 866 at 2016-11-06.
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PDF
PDF.PDFgen

Methods
 add_bookmark()
 add_launchlink()
 add_locallink()
 add_pdflink()
 add_weblink()
 arc()
 attach_file()
 begin_page()
 circle()
 close()
 close_image()
 concat()
 continue_text()
 curveto()
 end_page()
 findfont()
 get_parameter()
 get_value()
 lineto()
 moveto()
 open_CCITT()
 open_file()
 open_image()
 open_image_file()
 place_image()
 rect()
 rotate()
 scale()
 set_border_color()
 set_border_dash()
 set_border_style()
 set_info()
 set_parameter()
 set_text_pos()
 set_value()
 setdash()
 setflat()
 setfont()
 setgray()
 setgray_fill()
 setgray_stroke()
 setlinecap()
 setlinejoin()
 setlinewidth()
 setmiterlimit()
 setrgbcolor()
 setrgbcolor_fill()
 setrgbcolor_stroke()
 show()
 show_boxed()
 showxy()
 skew()
 stringwidth()
 translate()
previousPDF.PDFgen()->setfont()
PDF.PDFgen()->setgray_fill()next

Method PDF.PDFgen()->setgray()

Method setgray

object setgray(float gray)