File: //lib/cups/filter/pstopdf
#!/bin/sh
# $Id: pstopdf,v 1.3 2003/02/15 15:21:00 gurubert Exp $
#
# This is a Postscript to PDF filter for CUPS
#
# (C) 2003 Robert Sander <robert.sander@epigenomics.com>
# (C) 2008-2012 Till Kamppeter <till.kamppeter@gmail.com>
#
# Released under GPL
#
# NO WARRANTY AT ALL
#
set -e
PS2PS=`which ps2ps`
GS=`which gs`
PS2PS_OPTIONS="-dAutoRotatePages=/None -dAutoFilterColorImages=false \
-dNOPLATFONTS -dPARANOIDSAFER -dNOINTERPOLATE -sstdout=%stderr"
PS2PDF_OPTIONS="-q -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -dCompatibilityLevel=1.3"
PS2PDF_OPTIONS="$PS2PDF_OPTIONS $PS2PS_OPTIONS"
PS2PDF_OPTIONS="$PS2PDF_OPTIONS -dColorImageFilter=/FlateEncode \
-dPDFSETTINGS=/printer \
-dColorConversionStrategy=/LeaveColorUnchanged"
echo "DEBUG: pstopdf $# args: $@" >&2
echo "DEBUG: PPD: $PPD" >&2
if [ $# -lt 5 -o $# -gt 6 ]; then
echo "ERROR: $0 job-id user title copies options [file]" >&2
exit 1
fi
# Read from given file.
if [ -n "$6" ]; then
exec <"$6"
fi
tempfiles=
trap 'rm -f $tempfiles' 0 1 2 13 15
infile=$(mktemp -t pstopdf.XXXXXX)
tempfiles="$tempfiles $infile"
cat >"$infile"
# Did CUPS already take care of the number of copies? If not, we have to do it
donumcopies=
numcopies="$4"
if test -z "$numcopies"; then
numcopies=1
fi
if test "$numcopies" -le "1"; then
donumcopies="-dDoNumCopies"
fi
# Apply PPD settings.
resolution=
eval "$(printf "%s" "$5" | sed -nre 's/.*(^|\s)Resolution=([0-9.]+(x[0-9.]+)?).*/resolution="${resolution:-\2}"/p')"
if test -e "$PPD"; then
eval "$(sed -nre 's/^\*DefaultResolution:\s*([0-9.]+(x[0-9.]+)?).*/resolution="${resolution:-\1}"/p' "$PPD")"
fi
echo "DEBUG: Resolution: $resolution" >&2
if test -n "$resolution"; then
# If the resolution is not symmetric, use the lower of the two,
# Ghostscript developers recommend to use square resolutions for the
# pdfwrite and ps2write output devices.
# See http://bugs.ghostscript.com/show_bug.cgi?id=690504
xres=
yres=
eval "$(printf "%s" "$resolution" | sed -nre 's/.*(^|\s)([0-9]+)x([0-9]+).*/xres="\2"; yres="\3"/p')"
if test -n "$xres" && test -n "$yres"; then
if [ "$xres" -lt "$yres" ]; then
resolution=$xres
else
resolution=$yres
fi
fi
fi
width=
height=
bl_x=
bl_y=
tr_x=
tr_y=
margin_l=
margin_b=
margin_r=
margin_t=
pagesize=
unit=
customw=
customh=
eval "$(printf "%s" "$5" | sed -nre 's/.*(^|\s)(PageSize|PageRegion)=(\S+).*/pagesize="${pagesize:-\3}"/p')"
if test -e "$PPD"; then
eval "$(sed -nre 's/^\*DefaultPageSize:\s*(\S+).*/pagesize="${pagesize:-\1}"/p' "$PPD")"
fi
echo "DEBUG: Page size: $pagesize" >&2
eval "$(printf "%s" "$pagesize" | sed -nre 's/^Custom\.([0-9\.]+)x([0-9\.]+)(\S*)$/customw="\1"; customh="\2"; unit="\3"/p')"
if test -n "$customw" && test -n "$customh"; then
echo "DEBUG: Custom page size: $customw x $customh $unit" >&2
if test "$unit" = "in"; then
width="$(printf "scale=0; (%s)*(72.0)/(1.00)\n" "$customw" | bc)"
height="$(printf "scale=0; (%s)*(72.0)/(1.00)\n" "$customh" | bc)"
elif test "$unit" = "cm"; then
width="$(printf "scale=0; (%s)*(72.0)/(2.54)\n" "$customw" | bc)"
height="$(printf "scale=0; (%s)*(72.0)/(2.54)\n" "$customh" | bc)"
elif test "$unit" = "mm"; then
width="$(printf "scale=0; (%s)*(72.0)/(25.4)\n" "$customw" | bc)"
height="$(printf "scale=0; (%s)*(72.0)/(25.4)\n" "$customh" | bc)"
else
width="$(printf "scale=0; (%s)/(1.00)\n" "$customw" | bc)"
height="$(printf "scale=0; (%s)/(1.00)\n" "$customh" | bc)"
fi
if test -e "$PPD"; then
eval "$(sed -nre 's|^\*HWMargins:\s*(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s*|bl_x="\1"; bl_y="\2"; tr_x="\3"; tr_y="\4"|p' "$PPD")"
if test -n "$tr_x"; then
tr_x="$(printf "scale=8; (%s)-(%s)\n" "$width" "$tr_x" | bc)"
fi
if test -n "$tr_y"; then
tr_y="$(printf "scale=8; (%s)-(%s)\n" "$height" "$tr_y" | bc)"
fi
fi
elif test -n "$pagesize" && test -e "$PPD"; then
eval "$(sed -nre 's|^\*PaperDimension\s+'"$pagesize"'(/[^:]+\|):\s*"(\S+)\s+(\S+)".*|width="\2"; height="\3"|p' "$PPD")"
eval "$(sed -nre 's|^\*ImageableArea\s+'"$pagesize"'(/[^:]+\|):\s*"(\S+)\s+(\S+)\s+(\S+)\s+(\S+)".*|bl_x="\2"; bl_y="\3"; tr_x="\4"; tr_y="\5"|p' "$PPD")"
fi
test -n "$bl_x" || bl_x=0
test -n "$bl_y" || bl_y=0
test -n "$tr_x" || tr_x=$width
test -n "$tr_y" || tr_y=$height
echo "DEBUG: Width: $width, height: $height, absolute margins: $bl_x, $bl_y, $tr_x, $tr_y" >&2
if test -n "$width" && test -n "$height" && \
test -n "$bl_x" && test -n "$bl_y" && \
test -n "$tr_x" && test -n "$tr_y"; then
margin_l="$bl_x"
margin_b="$bl_y"
margin_r="$(printf "scale=8; (%s)-(%s)\n" "$width" "$tr_x" | bc)"
margin_t="$(printf "scale=8; (%s)-(%s)\n" "$height" "$tr_y" | bc)"
fi
echo "DEBUG: Relative margins: $margin_l, $margin_b, $margin_r, $margin_t" >&2
if test -n "$margin_l" && test -n "$margin_b" && \
test -n "$margin_r" && test -n "$margin_t"; then
inject_ps="<</.HWMargins[$margin_l $margin_b $margin_r $margin_t] /Margins[0 0]>>setpagedevice"
fi
ppd_opts=
if test -n "$resolution"; then
ppd_opts="${ppd_opts:+$ppd_opts }-r$resolution"
fi
if test -n "$width"; then
ppd_opts="${ppd_opts:+$ppd_opts }-dDEVICEWIDTHPOINTS=$width"
fi
if test -n "$height"; then
ppd_opts="${ppd_opts:+$ppd_opts }-dDEVICEHEIGHTPOINTS=$height"
fi
echo "DEBUG: PPD options: $ppd_opts" >&2
# We do not supply the margins to the ps2pdf process, as this breaks
# full-bleed printing and also disturbs the printing if PPDs have too
# conservative margin definitions.
inject_ps=
# Injection
echo "DEBUG: PostScript to be injected: $inject_ps" >&2
if test -n "$inject_ps"; then
echo "DEBUG: Injecting PostScript: $inject_ps" >&2
orig_infile="$infile"
infile=$(mktemp -t pstopdf.XXXXXX)
tempfiles="$tempfiles $infile"
perl -p -e 'if (! $did) { s:(^%!.*)$:\1\n'"$inject_ps"': && $did++; }' "$orig_infile" > "$infile"
fi
# DRM
DRM_MATCH='^%.*Removing the following.*lines is illegal.*Digital Copyright Act'
if egrep -q "$DRM_MATCH" "$infile"; then
# This PS is DRM-infested. Normalize it with ps2ps first.
echo "DEBUG: Normalizing Adobe Reader PostScript with ps2ps" >&2
DRMFILTER="$PS2PS $PS2PS_OPTIONS $ppd_opts - -"
else
DRMFILTER=cat
fi
echo "DEBUG: Running $DRMFILTER | $GS $PS2PDF_OPTIONS $donumcopies $ppd_opts -sOutputFile=- $OPTIONS -c .setpdfwrite -f -" >&2
cat "$infile" | $DRMFILTER | $GS $PS2PDF_OPTIONS $donumcopies $ppd_opts -sOutputFile=- $OPTIONS -c .setpdfwrite -f -