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ppmtopj(1)					     ppmtopj(1)

NAME
       ppmtopj - convert a portable pixmap to an HP PaintJet file

SYNOPSIS
       ppmtopj	[-gamma val]  [-xpos  val]  [-ypos  val]  [-back
       dark|lite]	 [-rle] [-center]	[-render
       none|snap|bw|dither|diffuse|monodither|monodiffuse|clus-
       terdither|monoclusterdither] [ppmfile]

DESCRIPTION
       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 primaries.  You could get this  by
       sending	the  input  file through ppmquant -map with a map
       file such as:
	   P3
	   8 1
	   255
	   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.

OPTIONS
       -rle	  Run  length  encode  the  image.	(This can
		     result in larger images)

       -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.

REFERENCES
       HP PaintJet XL Color Graphics Printer User's Guide

SEE ALSO
       pnmdepth(1), ppmquant(1), ppmdither(1), ppm(5)

BUGS
       Most of the options have not been tested because	 of  the

			   13 July 1991				1

ppmtopj(1)					     ppmtopj(1)

       price of the paper.

AUTHOR
       Copyright (C) 1991 by Christos Zoulas.

			   13 July 1991				2

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