51 lines
1.2 KiB
Plaintext
51 lines
1.2 KiB
Plaintext
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#!/bin/sh
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cd $HOME/tmp-icons
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# We process all of the xpm files in ~/icons, reducing their collective
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# colourmap, and producing files in ~/tmp-icons.
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# Make a note of those files with transparent bits for zapping afterwards:
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# this isn't perfect, but seems to work OK for the pixmaps that I use.
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# Notice that the input, output, and number of colours are hardwired.
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# (The ppmtogif | giftoppm is to make sure the ppm file is in raw format, because
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# ppmquant appears not to work with the result of xpmtoppm!)
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echo Converting files to ppm format
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NONE=""
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for i in ../icons/*.xpm
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do
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echo -n $i " "
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sed 's/[Nn]one/black/g' $i | xpmtoppm | ppmtogif | giftoppm > `basename $i .xpm`.ppm
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if test -s `basename $i .xpm`.ppm
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then
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if grep -iq None $i
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then
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NONE="$NONE `basename $i`"
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fi
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else
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rm -f `basename $i .xpm`.ppm
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fi
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done
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echo Performing quantization to 32 colours
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ppmquantall 32 *.ppm
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echo Converting to xpm format again
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for i in *.ppm
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do
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echo -n $i " "
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ppmtoxpm $i > `basename $i .ppm`.xpm
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rm -f $i
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done
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echo Trying to fix transparent pixels in some files
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for i in $NONE
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do
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echo $i
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sed 's/` c #000000/` c None/' $i > $i-tmp.xpm
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mv $i-tmp.xpm $i
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done
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