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/****************************************************************************
**
** Copyright (C) 2019 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt SVG module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtCore>
#include <QtSvg>
#include <QtGui>
#include <stdlib.h>
static QImage render(const QString &filePath)
{
fprintf(stdout, "Rendering %s\n", qPrintable(filePath));
QSvgRenderer renderer(filePath);
if (!renderer.isValid()) {
fprintf(stderr, "Could not load SVG file %s\n", qPrintable(filePath));
return QImage();
}
QImage image(480, 360, QImage::Format_ARGB32);
image.fill(Qt::transparent);
{
QPainter p(&image);
renderer.render(&p);
}
return image;
}
int main(int argc, char **argv)
{
QGuiApplication app(argc, argv);
QCommandLineParser parser;
parser.addHelpOption();
parser.addPositionalArgument(QLatin1String("command"), QLatin1String("[create-baseline,diff]"));
parser.addPositionalArgument(QLatin1String("path-to-svg-testsuite"), QLatin1String("Path to the svg/ sub-directory of the test suite"));
parser.process(app);
const auto args = parser.positionalArguments();
if (args.count() != 2) {
parser.showHelp(EXIT_FAILURE);
return EXIT_FAILURE; // never reached
}
const QString commandAsString = args.at(0);
const QString sourcePath = args.at(1);
QDirIterator sourceFileIterator(sourcePath, QStringList(QLatin1String("*.svg")), QDir::Files);
const QString baselinePath = "baseline";
const auto referenceFilePath = [baselinePath](const QFileInfo &testCaseFileInfo) -> QString {
return baselinePath + QLatin1Char('/') + testCaseFileInfo.baseName() + QLatin1String(".png");
};
if (commandAsString == "create-baseline") {
while (sourceFileIterator.hasNext()) {
sourceFileIterator.next();
QImage image = render(sourceFileIterator.filePath());
if (image.isNull())
return EXIT_FAILURE;
QString outputFileName = referenceFilePath(sourceFileIterator.fileInfo());
if (!image.save(outputFileName)) {
fprintf(stderr, "Could not save PNG file %s\n", qPrintable(outputFileName));
return EXIT_FAILURE;
}
}
} else if (commandAsString == "diff") {
while (sourceFileIterator.hasNext()) {
sourceFileIterator.next();
QImage actual = render(sourceFileIterator.filePath());
const QString referencePath = referenceFilePath(sourceFileIterator.fileInfo());
QImage reference;
if (!reference.load(referencePath)) {
fprintf(stderr, "Could not load reference file %s\n", qPrintable(referencePath));
return EXIT_FAILURE;
}
if (actual == reference)
continue;
QImage sideBySideImage(actual.width() * 2, actual.height(), QImage::Format_ARGB32);
sideBySideImage.fill(Qt::transparent);
{
QPainter p(&sideBySideImage);
p.drawImage(0, 0, actual);
p.drawImage(actual.width(), 0, reference);
}
const QString sideBySideFileName = "difference/" + sourceFileIterator.fileInfo().baseName() + QLatin1String(".png");
if (!sideBySideImage.save(sideBySideFileName)) {
fprintf(stderr, "Could not save side-by-side image at %s\n", qPrintable(sideBySideFileName));
return EXIT_FAILURE;
}
}
} else {
fprintf(stderr, "Unknown command %s\n", qPrintable(commandAsString));
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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