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24 lines
528 B
Bash
24 lines
528 B
Bash
#!/bin/sh
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# For use in the pngzop project
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# Copyright 2013 by Glenn Randers-Pehrson
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# Released under the pngcrush license (equivalent to the libpng license)
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# Extracts and decompresses the data from the IDAT chunks in a set of
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# PNG files.
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for x in $*
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do
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case $1 in
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*.png)
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root=`echo $1 | sed -e "s/.png$//"`
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pngidat.exe < $1 | zpipe -d > $root.idat
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;;
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*.zdat)
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root=`echo $1 | sed -e "s/.zdat$//"`
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zpipe -d < $1 > $root.idat
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;;
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esac
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shift
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done
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