Tools for generating the Volumetric Regimes book https://volumetricregimes.xyz/ (wiki-to-print, using Paged.js)
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30 lines
881 B
30 lines
881 B
#! /bin/bash
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# CONVERTS RGB PDF TO CMYK PDF PRESERVING TRUE BLACK FOR VECTORS
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# OVERPRINT FEATURE IS AVAILABLE WITH AN OPTION
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# USAGE:
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# ./rgb2cmyk.sh input.pdf
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# ./rgb2cmyk.sh input.pdf overprint
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# OUTPUT:
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# input-cmyk.pdf
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# input-cmyk-op.pdf (in case of overprint)
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bn=$(basename $1 ".pdf")
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op=${2:-knockout}
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gs -q -sDEVICE=pdfwrite -o ${bn}-CMYK.pdf -sColorConversionStrategy=CMYK -sSourceObjectICC=control.txt $1
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if [ $op == overprint ]
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then
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pdftops -level2sep ${bn}-CMYK.pdf
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sed -e "s/false \(op\)/true \1/gI" ${bn}-CMYK.ps > ${bn}-CMYK-op.ps
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#gs -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -sOutputFile=${bn}-CMYK-op.pdf ./forceblack.ps ${bn}-CMYK-op.ps
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gs -q -sDEVICE=pdfwrite -o ${bn}-CMYK-op.pdf -sColorConversionStrategy=CMYK -sSourceObjectICC=control.txt ${bn}-CMYK-op.ps
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rm ${bn}-CMYK.pdf
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rm ${bn}-CMYK.ps
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fi
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