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# gEDA: GNU Electronic Design Automation
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# pstoimage (converts a postscript file to a gif)
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# This script is placed under the GNU Public License (GPL) version 2.0
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# This scripts creates gifs from ps files using gs and ppmtogif
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# (both programs are REQUIRED)
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# It's a fairly simple script designed to give an idea on how to take
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# the output from gschem and create image files
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# First parameter is the input filename (must be a postscript file)
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# output filename is called `basename $1`.gif
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# This script requires free diskspace when it runs due to ppm files being
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# so large (don't forget to remove old ppms)
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# I have found that ppmtogif does a poor job sometimes, so it in that case
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# try using xv to read the image and then save it as a gif
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echo usage: pstoimage filename.ps
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basename=`basename $input_filename .ps`
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output_filename=${basename}.gif
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# Added a -r${resolution} if you want to control the resolution
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# Uncomment the following line if you have Aladdin Ghostscript
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# and want anti-aliasing enabled (replace this line with the other gs line
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gs -q -dTextAlphaBits=4 -dGraphicsAlphaBits=4 \
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-dNOPAUSE -sOutputFile=$basename.ppm \
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$input_filename quit.ps
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ppmtogif $basename.ppm > $output_filename
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# Use ImageMagic convert if you want crop the image
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# This will create fairly big gif files
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#convert -crop 0x0 $output_filename ${basename}_crop.gif
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