blob: 1e10679efc7919564742c93c2fbf6521a6a26f1b [file] [log] [blame]
#!/bin/bash
# Debug mode: change to 'yes' to enable
DEBUG=${DEBUG-no}
function log() {
[ "${DEBUG}" = "yes" ] && echo $* | logger -t "$0[$$]"
}
function logpipe() {
[ "${DEBUG}" = "yes" ] && echo $* | logger -t "$0[$$]"
}
function trapINT() {
log "trapINT()"
[ "x$trp" = "x" ] && trp="yes" || return
sleep 30 && { [ ! "${DEBUG}" = "yes" ] && rm -rf $uid; log "Cleanup complete"; } &
exit
}
function stop() {
log "Stop stop page";
echo "stop" > $uid/999999999-page.pbm
}
function output_page() {
# Converting page to JBIG format (parameters are very special for this printer!)
pbmtojbg -p 72 -o 3 -m 0 -q < $page > $uid/raster.jbig
# Taking image size
jsize=`wc -c < $uid/raster.jbig`
# Taking image dimensions
x=($(identify -format "%w %h %[fx:mean] " $page))
##
# The %[fx:mean] gives the average colour in the image which for
# monochrome is the number of white pixels divided by the size
#
# So the formula gives the number of black pixels. The final
# /1 causes bc to round to the nearest integer because scale=0
##
dots=$(echo "(${x[0]}*${x[1]}*(1-${x[2]}))/1"|bc)
# Flushing page header
cat <<EOF
@PJL SET PAGESTATUS=START$e
@PJL SET COPIES=1$e
@PJL SET MEDIASOURCE=$mediasource$e
@PJL SET MEDIATYPE=PLAINRECYCLE$e
@PJL SET PAPER=$pagesize$e
@PJL SET PAPERWIDTH=${x[0]}$e
@PJL SET PAPERLENGTH=${x[1]}$e
@PJL SET RESOLUTION=${resolution%x600}$e
@PJL SET IMAGELEN=$jsize$e
EOF
cat $uid/raster.jbig
# Flushing page footer
# TODO: pixelcount for toner estimate
cat <<EOF
@PJL SET DOTCOUNT=$dots$e
@PJL SET PAGESTATUS=END$e
EOF
}
function output_header() {
cat <<EOF
%-12345X@PJL$e
@PJL SET TIMESTAMP=$ddate$e
@PJL SET FILENAME=Document$e
@PJL SET COMPRESS=JBIG$e
@PJL SET USERNAME=$user$e
@PJL SET COVER=OFF$e
@PJL SET HOLD=OFF$e
EOF
}
function output_footer() {
cat <<EOF
@PJL EOJ$e
%-12345X
EOF
}
log "Called with cmdline: $0 $*"
trap "stop; trapINT" SIGINT SIGTERM SIGQUIT
#trap 'echo No' SIGINT SIGTERM SIGQUIT EXIT;
# Username
user="$2"
# Page title (not used at this time, "Document" instead)
ptitle="$3"
my="$0"
options="$5"
pagesize="A4"
resolution="600"
mediasource="TRAY1"
for opt in $options; do
case "$opt" in
PageSize=*)
pagesize="$(echo "${opt#PageSize=}" | tr a-z A-Z)"
;;
Resolution=*)
resolution=${opt#Resolution=}
resolution=${resolution%dpi}
;;
InputSlot=*)
mediasource=${opt#InputSlot=}
;;
esac
done
# MS-style EOL
e=$(echo -en "\r")
# Printing date
ddate="`LC_ALL=en_US.UTF-8 date '+%Y/%m/%d %H:%M:%S'`"
# Temporary directory
uid="/tmp/pstoricohddst-gdi-`uuidgen`"
mkdir -p $uid
[ "${DEBUG}" = "yes" ] && exec >$uid/output.stream #> >(tee $uid/output.stream)
[ -x "$(which inotifywait)" ] && {
log "Asynchronous variant"
(
stage="empty"
inotifywait -q -m -r -e close_write --format '%f' $uid | grep --line-buffered 'page.pbm$' | while read page; do
log "Page submitted"
[ "$stage" = "empty" ] && {
log "1st stage. Flushing PJL header"
output_header
stage="printing"
}
[ "$page" = "999999999-page.pbm" ] && {
log "Last stage. Flushing PJL footer"
output_footer
pid=`ps ax | grep $uid | grep -v grep | awk ' { print $1 } '`
[ ! "x$pid" = "x" ] && kill $pid
break
}
[ "$stage" = "printing" ] && {
page=$uid/$page
output_page
}
done
) &
# Converting from PostScript to PostScript-monochrome, then to PBM image format (per page)
#gs -sDEVICE=ps2write -sOutputFile=- -r$resolution -dQUIET -dBATCH -dNOPAUSE - |
gs -sDEVICE=pbmraw -sOutputFile=${uid}/%03d-page.pbm -r$resolution -dQUIET -dBATCH -dNOPAUSE -
stop
wait
trapINT
} || {
log "Synchronous variant"
# Converting from PostScript to PostScript-monochrome, then to PBM image format (per page)
log "Converting document to pages"
gs -sDEVICE=ps2write -sOutputFile=- -r$resolution -dQUIET -dBATCH -dNOPAUSE - | gs -sDEVICE=pbmraw -sOutputFile=${uid}/%03d-page.pbm -r$resolution -dQUIET -dBATCH -dNOPAUSE -
log "Conversion complete"
output_header
for page in ${uid}/*-page.pbm; do
output_page
done
# Flushing PJL footer
output_footer
}
# only remove the output dir if not debugging
[ ! "${DEBUG}" = "yes" ] && rm -rf $uid;
exit 0