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#!/bin/sh # # ppmmargin - add a margin to a PNM image # # 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. tempdir=$(mktemp -d "${TMPDIR:-/tmp}/netpbm.XXXXXXXX") || { echo "Could not create temporary file. Exiting." 1>&2; exit 1; } trap 'rm -rf $tempdir' 0 1 3 15 tmp1=$tempdir/pnmm1 tmp2=$tempdir/pnmm2 tmp3=$tempdir/pnmm3 tmp4=$tempdir/pnmm4 color="-gofigure" plainopt="" # Parse args. while true ; do case "$1" in -version|--version ) pnmpad --version; exit $?; ;; -p|-pl|-pla|-plai|-plain ) plainopt="-plain" shift ;; -w|-wh|-whi|-whit|-white ) color="-white" shift ;; -b|-bl|-bla|-blac|-black ) color="-black" shift ;; -c|-co|-col|-colo|-color ) shift if [ ! ${1-""} ] ; then echo "usage: $0 [-white|-black|-color <colorspec>] <size> [pnmfile]" 1>&2 exit 1 fi color="$1" shift ;; -* ) echo "usage: $0 [-white|-black|-color <colorspec>] <size> [pnmfile]" 1>&2 exit 1 ;; * ) break ;; esac done if [ ! ${1-""} ] ; then echo "usage: $0 [-white|-black|-color <colorspec>] <size> [pnmfile]" 1>&2 exit 1 fi size="$1" shift case $size in ''|*[!0-9]*) echo "Size argument '$size' is not a whole number" exit 1 ;; esac if [ ${2-""} ] ; then echo "usage: $0 [-white|-black|-color <colorspec>] <size> [pnmfile]" 1>&2 exit 1 fi # Capture input file in a tmp file, in case it's a pipe. # TODO: This code does not consider the case when the input file is specified # and there is also input coming in from a pipe. cat $@ > $tmp1 if [ $size -eq 0 ] ; then # Zero margin; just copy input to output pamtopnm $plainopt $tmp1; else # If -white or -black, write output with pnmpad and exit. # Otherwise construct spacer files. case "$color" in -gofigure ) pamcut 0 0 1 1 $tmp1 | pnmtile $size 1 > $tmp2 ;; -white | -black ) pnmpad $plainopt $color \ -left=$size -right=$size -top=$size -bottom=$size $tmp1 exit ;; * ) ppmmake $color $size 1 > $tmp2 ;; esac pamflip -rotate90 $tmp2 > $tmp3 # Cat things together. pamcat -leftright $tmp2 $tmp1 $tmp2 > $tmp4 pamcat -topbottom $plainopt $tmp3 $tmp4 $tmp3 fi