ppmtopj



Ppmtopj User Manual(0)                                  Ppmtopj User Manual(0)




NAME

       ppmtopj - convert a PPM image 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 | monodif-
       fuse | clusterdither | monoclusterdither }]

       [ppmfile]



DESCRIPTION

       This program is part of Netpbm(1).

       ppmtopj reads a PPM image as input and converts it into a format  suit-
       able 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 convert your input to this format like this:

           pamseq 3 1 testimg.ppm >8color.pam
           pnmremap -map 8color.pam testimg.pam | ppmtopj

       Or 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  integer  int  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.





SEE ALSO

       HP PaintJet XL Color Graphics Printer User’s Guide, pnmtopclxl.html(1),
       pjtoppm.html(1),  pnmdepth(1),  pnmremap(1),  pamseq(1),  ppmdither(1),
       pbmtolj.html(1), ppmtolj(1), thinkjettopbm(1), ppm(1)



AUTHOR

       Copyright (C) 1991 by Christos Zoulas.



netpbm documentation             13 July 1991           Ppmtopj User Manual(0)

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