ppmtopj [-gamma val] [-xpos val] [-ypos val] [-back dark|lite] [-rle]
[-center] [-render none|snap|bw|dither|diffuse|monodither|monodif-
Reads a portable pixmap as input and converts it into a format suitable
to be printed by an HP PaintJet printer.
For best results, the input file should be in 8-color RGB form; i.e. it
should have only the 8 binary combinations of full-on and full-off pri-
maries. You could get this by sending the input file through ppmquant
-map with a map file such as:
0 0 0 255 0 0 0 255 0 0 0 255
255 255 0 255 0 255 0 255 255 255 255 255
Or else you could use use ppmdither -red 2 -green 2 -blue 2.
-rle Run length encode the image. (This can result in larger
-back Enhance the foreground by indicating if the background is
light or dark compated to the foreground.
-render alg Use an internal rendering algorithm (default dither).
-gamma int Gamma correct the image using the integet parameter as a
gamma (default 0).
-center Center the image to an 8.5 by 11 page
-xpos pos Move by pos pixels in the x direction.
-ypos pos Move by pos pixels in the y direction.
HP PaintJet XL Color Graphics Printer User's Guide
pnmdepth(1), ppmquant(1), ppmdither(1), ppm(5)
Most of the options have not been tested because of the price of the
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