(3.0.8 - 3.0.18 only, PHP 4 >= 4.0.0)
cpdf_setgray_fill -- Sets filling color to gray value
Description
void cpdf_setgray_fill (int pdf document, float value)
The cpdf_setgray_fill() function sets the current
gray value to fill a path.
See also cpdf_setrgbcolor_fill().