(3.0.8 - 3.0.18 only, PHP 4 >= 4.0.0)
cpdf_setgray_stroke -- Sets drawing color to gray value
Description
void cpdf_setgray_stroke (int pdf document, float gray value)
The cpdf_setgray_stroke() function sets the current
drawing color to the given gray value.
See also cpdf_setrgbcolor_stroke().