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Skunkware 5
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pnmindex
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1995-07-02
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#!/bin/csh -f
#
# pnmindex - build a visual index of a bunch of anymaps
#
# Copyright (C) 1991 by Jef Poskanzer.
#
# Permission to use, copy, modify, and distribute this software and its
# documentation for any purpose and without fee is hereby granted, provided
# that the above copyright notice appear in all copies and that both that
# copyright notice and this permission notice appear in supporting
# documentation. This software is provided "as is" without express or
# implied warranty.
set size=100 # make the images about this big
set across=6 # show this many images per row
set colors=256 # quantize results to this many colors
set back="-white" # default background color
while ( 1 )
switch ( "$1" )
case -s*:
if ( $#argv < 2 ) goto usage
set size="$2"
shift
shift
breaksw
case -a*:
if ( $#argv < 2 ) goto usage
set across="$2"
shift
shift
breaksw
case -c*:
set colors="$2"
shift
shift
breaksw
case -b*:
set back="-black"
shift
breaksw
case -w*:
set back="-white"
shift
breaksw
case -*:
goto usage
breaksw
default:
break
breaksw
endsw
end
if ( $#argv == 0 ) then
goto usage
endif
set tmpfile=/tmp/pi.tmp.$$
rm -f $tmpfile
set maxformat=PBM
set rowfiles=()
set imagefiles=()
@ row = 1
@ col = 1
foreach i ( $argv )
set description=`pnmfile $i`
if ( $description[4] <= $size && $description[6] <= $size ) then
cat $i > $tmpfile
else
switch ( $description[2] )
case PBM:
pnmscale -quiet -xysize $size $size $i | pgmtopbm > $tmpfile
breaksw
case PGM:
pnmscale -quiet -xysize $size $size $i > $tmpfile
if ( $maxformat == PBM ) then
set maxformat=PGM
endif
breaksw
default:
pnmscale -quiet -xysize $size $size $i | ppmquant -quiet $colors > $tmpfile
set maxformat=PPM
breaksw
endsw
endif
set imagefile=/tmp/pi.${row}.${col}.$$
rm -f $imagefile
if ( "$back" == "-white" ) then
pbmtext "$i" | pnmcat $back -tb $tmpfile - > $imagefile
else
pbmtext "$i" | pnminvert | pnmcat $back -tb $tmpfile - > $imagefile
endif
rm -f $tmpfile
set imagefiles=( $imagefiles $imagefile )
if ( $col >= $across ) then
set rowfile=/tmp/pi.${row}.$$
rm -f $rowfile
if ( $maxformat != PPM ) then
pnmcat $back -lr -jbottom $imagefiles > $rowfile
else
pnmcat $back -lr -jbottom $imagefiles | ppmquant -quiet $colors > $rowfile
endif
rm -f $imagefiles
set imagefiles=()
set rowfiles=( $rowfiles $rowfile )
@ col = 1
@ row += 1
else
@ col += 1
endif
end
if ( $#imagefiles > 0 ) then
set rowfile=/tmp/pi.${row}.$$
rm -f $rowfile
if ( $maxformat != PPM ) then
pnmcat $back -lr -jbottom $imagefiles > $rowfile
else
pnmcat $back -lr -jbottom $imagefiles | ppmquant -quiet $colors > $rowfile
endif
rm -f $imagefiles
set rowfiles=( $rowfiles $rowfile )
endif
if ( $#rowfiles == 1 ) then
cat $rowfiles
else
if ( $maxformat != PPM ) then
pnmcat $back -tb $rowfiles
else
pnmcat $back -tb $rowfiles | ppmquant -quiet $colors
endif
endif
rm -f $rowfiles
exit 0
usage:
echo "usage: $0 [-size N] [-across N] [-colors N] [-black] pnmfile ..."
exit 1