KP> Can DPS handle a non-uniform set of colors?
No. The protocol requires a colour cube (not necessarily cubic) and a
gray ramp (possibly being the diagonal of the colour cube); in
addition, the relevant colourmap indices need to be in arithmetic
progression.
The current implementation additionally requires that the colour cube
be cubic.
KP> If you made DPS use Render, these questions would all be moot :-)
I'll most definitely move DPS to be above RENDER when I next have some
time to work on it (something that hasn't happened in over six months,
though). But I'll still use Ghostscript's code for dithering.
Juliusz
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