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|
#! /bin/sh
# Copyright (C) 2001-2019 Peter Selinger.
# This file is part of Potrace. It is free software and it is covered
# by the GNU General Public License. See the file COPYING for details.
# If ghostscript is present, we attempt to render the postscript
# output and check it for accuracy.
if test -z "$srcdir"; then
srcdir=.
fi
. "$srcdir/missing.sh"
GS=`my_which ghostscript`
if test -z "$GS"; then
GS=`my_which gs`
fi
if test -z "$GS"; then
echo "Don't have ghostscript, skipping PostScript test." >& 2
exit 77
fi
echo "Checking PostScript output..." >& 2
NAME=`basename "$0"`
POTRACE="${CHECK_POTRACE:-../src/potrace$EXEEXT --progress}"
DATADIR="$srcdir/data"
PGMDIFF="./pgmdiff$EXEEXT"
TMPDIR="${TEMPDIR:-/tmp}"
TMP1=`mktemp "$TMPDIR/$NAME-1.XXXXXX"`
TMP2=`mktemp "$TMPDIR/$NAME-2.XXXXXX"`
DATA="$DATADIR/data1.pbm"
REFDATA="$DATADIR/data1.pbm.gs"
REFDATAROT="$DATADIR/data1.pbm.rot"
# run the command, expecting return value 0
action () {
"$@"
if test $? -ne 0; then
echo "$NAME: test failed" >& 2
echo "Failed command: $LINE: $@" >& 2
exit 1
fi
}
actiondiff () {
D=`action "$PGMDIFF" "$1" "$2"`
# check return value because subshell can't exit
if test $? -ne 0; then
exit 1;
fi
echo "Difference: $D" >& 2
if test "$D" -gt "$3"; then
echo "$NAME: test failed" >& 2
echo "Failed command: $LINE: $PGMDIFF $1 $2" >& 2
exit 1;
fi
}
# keep track of line numbers
alias action="LINE=\$LINENO; action"
alias actiondiff="LINE=\$LINENO; actiondiff"
action $POTRACE -r50 -p -L 0 -B 0 -o "$TMP1" "$DATA"
"$GS" -q -dNOPAUSE -sDEVICE=pbmraw -g460x394 -r100x100 -sOutputFile="$TMP2" -- "$TMP1"
if test $? -ne 0; then
echo "Something is wrong with $GS; skipping this test" >& 2
exit 77
fi
actiondiff "$TMP2" "$REFDATA" 2000
action $POTRACE -r50 -p -L 0 -B 0 --opaque -o "$TMP1" "$DATA"
action "$GS" -q -dNOPAUSE -sDEVICE=pbmraw -g460x394 -r100x100 -sOutputFile="$TMP2" -- "$TMP1"
actiondiff "$TMP2" "$REFDATA" 2000
action $POTRACE -r50 -p -L 0 -B 0 -A 160 -o "$TMP1" "$DATA"
action "$GS" -q -dNOPAUSE -sDEVICE=pbmraw -g568x528 -r100x100 -sOutputFile="$TMP2" -- "$TMP1"
actiondiff "$TMP2" "$REFDATAROT" 2000
action rm -f "$TMP1"
action rm -f "$TMP2"
echo "$NAME: test succeeded" >& 2
exit 0
|
