ppmtopj

Section: User Commands (1)
Updated: 13 July 1991
Index Return to Main Contents
 

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|clusterdither|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 price of the paper.  

AUTHOR

Copyright (C) 1991 by Christos Zoulas.


 

Index

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
REFERENCES
SEE ALSO
BUGS
AUTHOR

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