utils/scripts/gpstoimage

   1 #!/bin/sh
   2
   3 # gEDA: GPL Electronic Design Automation
   4 # pstoimage (converts a postscript file to a gif)
   5 # This script is placed under the GNU Public License (GPL) version 2.0
   6
   7 # This scripts creates gifs from ps files using gs and ppmtogif
   8 # (both programs are REQUIRED)
   9
  10 # It's a fairly simple script designed to give an idea on how to take
  11 # the output from gschem and create image files
  12
  13 # First parameter is the input filename (must be a postscript file)
  14 # output filename is called `basename $1`.gif
  15
  16 # This script requires free diskspace when it runs due to ppm files being
  17 # so large (don't forget to remove old ppms)
  18
  19 # I have found that ppmtogif does a poor job sometimes, so it in that case
  20 # try using xv to read the image and then save it as a gif
  21
  22
  23 if [ "$1" = "" ]
  24 then
  25         echo usage: pstoimage filename.ps
  26         exit 0
  27 fi
  28
  29 input_filename=$1
  30 basename=`basename $input_filename .ps`
  31 output_filename=${basename}.gif
  32 #resolution=100
  33
  34
  35 # Added a -r${resolution} if you want to control the resolution
  36 #
  37
  38 # Uncomment the following line if you have Aladdin Ghostscript
  39 # and want anti-aliasing enabled (replace this line with the other gs line
  40 #gs -r200 -q \
  41 gs -q -dTextAlphaBits=4 -dGraphicsAlphaBits=4 \
  42         -dNOPAUSE -sOutputFile=$basename.ppm \
  43         -sDEVICE=ppm \
  44         $input_filename quit.ps
  45
  46 # ppm to gif
  47 ppmtogif $basename.ppm > $output_filename
  48
  49 #
  50 # Use ImageMagic convert if you want crop the image
  51 # This will create fairly big gif files
  52 #convert -crop 0x0 $output_filename ${basename}_crop.gif
  53