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|
#! /bin/sh
usage ()
{
echo Usage:
echo \\tpcbdiff firstfile secondfile
echo \\tView a graphical diff of PCB files
echo
echo \\tTo use with git, just place this script in your PATH and do
echo \\tgit difftool -x pcbdiff ...
echo
echo \\tTo use with mercurial, add the following lines to your .hgrc:
echo \\t\\t[extensions]
echo \\t\\thgext.extdiff =
echo \\t\\t[extdiff]
echo \\t\\tcmd.pcbdiff = /PATH/TO/pcbdiff
echo \\tthen to invoke it, do
echo \\thg pcbdiff ...
echo
echo \\tTo use with subversion, place it in your PATH and do
echo \\tsvn diff --diff-cmd pcbdiff ...
echo \\tRequirements: Imagemagick and gschem be installed
}
PCB=`which pcb`
if test -z "${PCB}"; then
MISSING=pcb
fi
CONVERT=`which convert`
if test -z "${CONVERT}"; then
MISSING=convert
fi
COMPOSITE=`which composite`
if test -z "${COMPOSITE}"; then
MISSING=composite
fi
VIEWER=`which display`
if test -z "${VIEWER}"; then
MISSING=display
fi
if test -z "${MISSING}"; then
true
else
echo "Binary for \"${MISSING}\" not found." >&2
echo "Either it is not installed, or not in your PATH" >&2
exit 1
fi
#In case the script was invoked with extra option arguments, throw them away
shift `expr $# - 2`
LEFTFILE="${1}"
RIGHTFILE="${2}"
if test -d "${LEFTFILE}" -o -d "${RIGHTFILE}"
then echo "ERROR: pcbdiff cannot diff entire directories"
exit 1
fi
LEFTPNG=`mktemp --tmpdir pcbdiff.XXXXXXXXXX`
RIGHTPNG=`mktemp --tmpdir pcbdiff.XXXXXXXXXX`
LEFTBNW=`mktemp --tmpdir pcbdiff.XXXXXXXXXX`
RIGHTBNW=`mktemp --tmpdir pcbdiff.XXXXXXXXXX`
DIFFPNG=`mktemp --tmpdir pcbdiff.XXXXXXXXXX`
"${PCB}" -x png --dpi ${PCBDIFF_DPI:-200} --photo-mode --outfile ${LEFTPNG} "${LEFTFILE}"
"${PCB}" -x png --dpi ${PCBDIFF_DPI:-200} --photo-mode --outfile ${RIGHTPNG} "${RIGHTFILE}"
"${CONVERT}" -colorspace gray $LEFTPNG $LEFTBNW
"${CONVERT}" -colorspace gray $RIGHTPNG $RIGHTBNW
"${COMPOSITE}" -stereo 0 $LEFTBNW $RIGHTBNW $DIFFPNG
"${VIEWER}" $DIFFPNG
rm $LEFTPNG
rm $RIGHTPNG
rm $LEFTBNW
rm $RIGHTBNW
rm $DIFFPNG
|
