The parameter type can be
both, fill, or
fillstroke.
colorspace
The colorspace should be one of gray,
rgb, cmyk,
spot, pattern. Depending on the
colorspace either only the first, the first three or all parameters
will be used.
c1
c2
c3
c4
Bugs
The second parameter is currently not always evaluated. The color is
sometimes set for filling and drawing just as if
fillstroke were passed.
