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|
#! /bin/sh
# convert ps file to Gif
#
resolution=95
quantcmd="cat"
transcmd="-transparent #ffffff "
antialiasing=""
#
usage() {
echo "Usage:" 1>&2
echo " ps2image [ -res RESOLUTION ] [ -notrans ] psfile.ps file.png" 1>&2
echo " ps2image [ -res RESOLUTION ] [ -notrans ] psfile.ps file.gif" 1>&2
echo " " 1>&2
exit 1
}
[ $# -lt 2 ] && usage
while [ $# -gt 0 ]; do
case $1 in
-quant)
quantcmd="ppmquant 50"
;;
-notrans)
transcmd=""
;;
-antialiasing)
antialiasing="-dTextAlphaBits=4 -dGraphicsAlphaBits=4"
;;
-res)
shift
if [ $# -eq 0 ]; then
echo "ps2image: no resolution specified" 1>&2
exit 1
fi
resolution=$1
;;
-*)
usage;;
*.ps)
fig=$1;;
*.png)
image=$1; convertcommand="pnmtopng";;
*.gif)
image=$1; convertcommand="ppmtogif";;
esac
shift
done
cat $fig \
| gs -q -dNOPAUSE -r$resolution $antialiasing -sDEVICE=ppm -sOutputFile=- - \
| pnmcrop | $quantcmd | $convertcommand -interlace $transcmd > $image
echo "Done"
|
