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|
#!/bin/sh
#
# $Id$
#
# Copyright (c) 2003, 2004, 2005, 2006, 2007 Dan McMahill
# This program is free software; you can redistribute it and/or modify
# it under the terms of version 2 of the GNU General Public License as
# published by the Free Software Foundation
#
# 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., 59 Temple Place, Suite 330, Boston, MA 02111 USA
# All rights reserved.
#
# This code was derived from code written by Dan McMahill as part of the
# latex-mk testsuite. The original code was covered by a BSD license
# but the copyright holder is releasing the version for gerbv under the GPL.
usage() {
cat <<EOF
$0 -- Recursively compare all .png files between two directories.
$0 -h|--help
$0 [-o | --out <outdir>] dir1 dir2
OVERVIEW
The $0 script is used to compare all png files which exist in both
<dir1> and <dir2>. The comparison indicates if the files differ
graphically as well as providing a visual difference output.
This script is used to help verify changes made to the m4 libraries
since a simple change in a macro may have far reaching and unintended
results.
The results are placed in <outdir> which defaults to "mismatch".
EXAMPLES
$0 pcblib-newlib.orig pcblib-newlib.new
EOF
}
show_sep() {
echo "----------------------------------------------------------------------"
}
all_tests=""
while test -n "$1"
do
case "$1" in
-h|--help)
usage
exit 0
;;
-o|--out)
ERRDIR="$2"
shift 2
;;
-*)
echo "unknown option: $1"
exit 1
;;
*)
break
;;
esac
done
if test $# -ne 2 ; then
usage
exit 1
fi
dir1="$1"
dir2="$2"
if test ! -d $dir1 ; then
echo "$dir1 does not exist or is not a directory"
usage
exit 1
fi
if test ! -d $dir2 ; then
echo "$dir2 does not exist or is not a directory"
usage
exit 1
fi
# Source directory
srcdir=${srcdir:-.}
# various ImageMagick tools
ANIMATE=${ANIMATE:-animate}
COMPARE=${COMPARE:-compare}
COMPOSITE=${COMPOSITE:-composite}
CONVERT=${CONVERT:-convert}
DISPLAY=${DISPLAY:-display}
MONTAGE=${MONTAGE:-montage}
# golden directories
ERRDIR=${ERRDIR:-mismatch}
# some system tools
AWK=${AWK:-awk}
# create output directory
if test ! -d $ERRDIR ; then
mkdir -p $ERRDIR
if test $? -ne 0 ; then
echo "Failed to create output directory ${ERRDIR}"
exit 1
fi
fi
# fail/pass/total counts
fail=0
pass=0
skip=0
tot=0
cat << EOF
srcdir ${srcdir}
top_srcdir ${top_srcdir}
AWK ${AWK}
ERRDIR ${ERRDIR}
ImageMagick Tools:
ANIMATE ${ANIMATE}
COMPARE ${COMPARE}
COMPOSITE ${COMPOSITE}
CONVERT ${CONVERT}
DISPLAY ${DISPLAY}
MONTAGE ${MONTAGE}
EOF
find $dir1 -name \*.png -print | while read -r t ; do
show_sep
f1="$t"
f2=`echo "$t" | sed "s;^${dir1}/;${dir2}/;g"`
tnm=`echo "$t" | sed -e "s;^${dir1}/;;g" -e 's;/;_;g' -e 's;.png$;;g' -e 's; ;_;g'`
echo "Test: $tnm"
echo "t: $t"
echo "File1: $f1"
echo "File2: $f2"
errdir=${ERRDIR}/${tnm}
tot=`expr $tot + 1`
######################################################################
#
# compare the png files
#
if test -f "${f2}" ; then
same=`${COMPARE} -metric MAE "$f1" "$f2" null: 2>&1 | \
${AWK} '{if($1 == 0){print "yes"} else {print "no"}}'`
if test "$same" = yes ; then
echo "PASS"
pass=`expr $pass + 1`
else
echo "FAILED: See ${errdir}"
mkdir -p ${errdir}
${COMPARE} "${f1}" "${f2}" ${errdir}/compare.png
${COMPOSITE} "${f1}" "${f2}" -compose difference ${errdir}/composite.png
${CONVERT} "${f1}" "${f2}" -compose difference -composite -colorspace gray ${errdir}/gray.png
cat > ${errdir}/animate.sh << EOF
#!/bin/sh
${CONVERT} -label "%f" "${f1}" "${f2}" miff:- | \
${MONTAGE} - -geometry +0+0 -tile 1x1 miff:- | \
${ANIMATE} -delay 0.5 -loop 0 -
EOF
chmod a+x ${errdir}/animate.sh
fail=`expr $fail + 1`
fi
else
echo "Missing file ${f2}. Skipping test"
skip=`expr $skip + 1`
fi
done
show_sep
echo "Passed $pass, failed $fail, skipped $skip out of $tot tests."
rc=0
if test $pass -ne $tot ; then
rc=1
fi
exit $rc
|
