/usr/bin/ppmimgvquant is in imgvtopgm 2.0-9.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 | #!/bin/sh
##
## ppmimgvquant.sh
## Simple palette mangler for image viewer pgm files.
##
## Copyright (C) 1997 Eric A. Howe
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2 of the License, or
## (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program; if not, write to the Free Software
## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
##
## Authors: Eric A. Howe (mu@trends.net)
##
## $Mu: imgvtopgm/ppmimgvquant.in 1.2 1999/05/09 07:56:09 $
##
MAPFILE=/tmp/$$.ppmimgvquant.$$
cleanup() {
[ -r $MAPFILE ] && rm -f $MAPFILE
}
trap cleanup 2 3 9 13 15
usage() {
NAME=`basename $1`
echo "$NAME [-hv] [ppmquant options]"
cat <<_DONE_DONE_DONE_
Convert the palette of a PPM image to the standard Image Viewer
palette. All options except -h and -v are passed to ppmquant(1).
-4 Convert to 4 depth image (for Palm IIIx/V).
-h Display this usage message and exit.
-v Display the version number and exit.
_DONE_DONE_DONE_
}
version() {
NAME=`basename $1`
echo "$NAME 2.0"
}
GRAY16="no"
DONE="no"
while [ $DONE != "yes" ]; do
case X"$1" in
X"-h") usage $0; exit 0 ;;
X"-v") version $0; exit 0 ;;
X"-4") GRAY16="yes"; shift ;;
X*) DONE="yes" ;;
esac
done
if [ $GRAY16 = "yes" ]; then
cat > $MAPFILE <<_DONE_DONE_DONE_
P3
16 1
255
0 0 0
17 17 17
34 34 34
51 51 51
68 68 68
85 85 85
102 102 102
119 119 119
136 136 136
153 153 153
170 170 170
187 187 187
204 204 204
221 221 221
238 238 238
255 255 255
_DONE_DONE_DONE_
else
cat > $MAPFILE <<_DONE_DONE_DONE_
P3
4 1
255
0 0 0
85 85 85
170 170 170
255 255 255
_DONE_DONE_DONE_
fi
ppmquant -map $MAPFILE "$@" | ppmtopgm
cleanup
|