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pdf2pdf
#!/bin/sh
# $Id: ps2pdfwr,v 1.9 2002/02/21 21:49:28 giles Exp $
# Convert PostScript to PDF without specifying CompatibilityLevel.
OPTIONS=""
QUALITY="ebook"
while true
do
case "$1" in
-q*)
# see https://www.ghostscript.com/doc/current/VectorDevices.htm#PDFWRITE
q=$1
if [ "x$q" = 'x-qscreen' -o "x$q" = 'x-q1' ]; then
QUALITY="screen"
# these are not on by default for low quality; wont increase file size, but will increasy quality
OPTIONS="-dColorImageDownsampleType=/Bicubic $OPTOINS"
OPTIONS="-dGrayImageDownsampleType=/Bicubic $OPTOINS"
elif [ "x$q" = 'x-qebook' -o "x$q" = 'x-q2' ]; then
# these are not on by default for low quality; wont increase file size, but will increasy quality
QUALITY="ebook"
OPTIONS="-dColorImageDownsampleType=/Bicubic $OPTOINS"
elif [ "x$q" = 'x-qprinter' -o "x$q" = 'x-q3' ]; then
# these are not on by default for low quality; wont increase file size, but will increasy quality
QUALITY="printer"
elif [ "x$q" = 'x-qprepress' -o "x$q" = 'x-q4' ]; then
QUALITY="prepress"
else
echo "Invalid value for -q (quality). Allowed values are:" 1>&2
echo " 1 or screen : 72dpi, lowest quality" 1>&2
echo " 2 or ebook : 150dpi, medium quality" 1>&2
echo " 3 or printer : 300dpi, high quality" 1>&2
echo " 4 or prepress : 300dpi, very high quality" 1>&2
exit 1
fi
;;
-?*) OPTIONS="$OPTIONS $1" ;;
*) break ;;
esac
shift
done
OPTIONS="-dPDFSETTINGS=/$QUALITY $OPTIONS"
if [ $# -lt 1 -o $# -gt 2 ]; then
echo "Usage: `basename $0` [-q{book|ebook|printer|prepress}] [options...] <input.{ps,eps,pdf}> {output.pdf|-}" 1>&2
exit 1
fi
infile="$1";
if [ $# -eq 1 ]
then
outfile=-
else
outfile="$2"
fi
# We have to include the options twice because -I only takes effect if it
# appears before other options.
#exec gs $OPTIONS -q -dNOPAUSE -dBATCH -sDEVICE=pdfwrite "-sOutputFile=$outfile" $OPTIONS -c .setpdfwrite -f "$infile"
#exec gs $OPTIONS -q -dNOPAUSE -dBATCH -sDEVICE=pdfwrite "-sOutputFile=$outfile" $OPTIONS -c .setpdfwrite -f "$infile"
exec gs $OPTIONS -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -dSAFER "-sOutputFile=$outfile" "$infile"
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