109 lines
2.4 KiB
Bash
Executable File
109 lines
2.4 KiB
Bash
Executable File
#!/bin/sh
|
|
|
|
# Copyright 2016 Google Inc.
|
|
#
|
|
# Use of this source code is governed by a BSD-style license that can be
|
|
# found in the LICENSE file.
|
|
|
|
# This tool compares the PDF output of Skia's DM tool of two commits.
|
|
|
|
CONTROL_COMMIT="$1"
|
|
EXPERIMENT_COMMIT="$2"
|
|
|
|
SOURCE="${3:-gm}" # could be 'skp'
|
|
|
|
if ! [ "$1" ] || ! [ "$2" ]; then
|
|
echo "usage:" >&2
|
|
echo " $0 CONTROL_COMMIT EXPERIMENT_COMMIT [SOURCE]" >&2
|
|
exit 1
|
|
fi
|
|
|
|
BAD=''
|
|
for CMD in 'python' 'ninja' 'pdfium_test' 'timeout' 'skdiff'; do
|
|
if ! command -v "$CMD" > /dev/null ; then
|
|
echo "could not find $CMD command in PATH." >&2
|
|
BAD=1
|
|
fi
|
|
done
|
|
if [ "$BAD" ]; then exit 1; fi
|
|
|
|
cd "$(dirname "$0")/.."
|
|
if [ "$(git diff --shortstat)" ]; then
|
|
echo "please stash your changes" >&2
|
|
exit 1
|
|
fi
|
|
|
|
DIR=$(mktemp -d "${TMPDIR:-/tmp}/skpdf.XXXXXXXXXX")
|
|
EXP="${DIR}/exp"
|
|
CON="${DIR}/con"
|
|
|
|
set -e
|
|
|
|
git checkout "$EXPERIMENT_COMMIT"
|
|
python bin/sync-and-gyp && ninja -C out/Release dm
|
|
out/Release/dm --src "$SOURCE" --config pdf -w "$EXP"
|
|
|
|
git checkout "$CONTROL_COMMIT"
|
|
python bin/sync-and-gyp && ninja -C out/Release dm
|
|
out/Release/dm --src "$SOURCE" --config pdf -w "$CON"
|
|
|
|
set +e
|
|
|
|
EXP_DIR="${EXP}/pdf/${SOURCE}"
|
|
CON_DIR="${CON}/pdf/${SOURCE}"
|
|
|
|
DIFFS=''
|
|
# remove byte-identical PDFs
|
|
for con in "$CON_DIR"/*pdf; do
|
|
exp="$EXP_DIR/$(basename "$con")"
|
|
if diff "$con" "$exp" > /dev/null; then
|
|
rm "$con" "$exp" # no difference
|
|
else
|
|
echo "PDF differs: $(basename "$con")"
|
|
DIFFS=1
|
|
fi
|
|
done
|
|
if [ -z "$DIFFS" ]; then
|
|
echo 'All PDFs are byte-identical!'
|
|
rm -r "$DIR"
|
|
exit 0;
|
|
fi
|
|
|
|
# rasterize the remaining PDFs
|
|
for pdf in "$CON_DIR"/*pdf "$EXP_DIR"/*pdf ; do
|
|
# timeout is from GNU coreutils
|
|
if timeout 10 pdfium_test --png "$pdf"; then
|
|
rm "$pdf"
|
|
else
|
|
echo "pdfium_test '$pdf' failed."
|
|
fi
|
|
done
|
|
|
|
DIFFS=''
|
|
# remove byte-identical PNGs:
|
|
for con in "$CON_DIR"/*.png; do
|
|
exp="$EXP_DIR/$(basename "$con")"
|
|
if diff "$con" "$exp"; then
|
|
rm "$exp" "$con"
|
|
else
|
|
echo "PNG differs: $(basename "$con")"
|
|
DIFFS=1
|
|
fi
|
|
done
|
|
if [ -z "$DIFFS" ]; then
|
|
echo 'All PNGs are byte-identical!'
|
|
rm -r "$DIR"
|
|
exit 0;
|
|
fi
|
|
|
|
# run remaining PNG files through skdiff:
|
|
DIFF_DIR="${DIR}/skdiffout"
|
|
skdiff "$CON_DIR" "$EXP_DIR" "$DIFF_DIR"
|
|
echo "'$DIFF_DIR/index.html'"
|
|
|
|
if [ $(uname) = 'Darwin' ] ; then
|
|
open "$DIFF_DIR/index.html" # look at diffs
|
|
elif [ $(uname) = 'Linux' ] ; then
|
|
xdg-open "$DIFF_DIR/index.html" # look at diffs
|
|
fi
|