104 lines
3.6 KiB
C++
104 lines
3.6 KiB
C++
// Copyright (C) 2019 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
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#include <QtCore>
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#include <QtSvg>
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#include <QtGui>
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#include <stdlib.h>
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static QImage render(const QString &filePath)
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{
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fprintf(stdout, "Rendering %s\n", qPrintable(filePath));
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QSvgRenderer renderer(filePath);
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if (!renderer.isValid()) {
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fprintf(stderr, "Could not load SVG file %s\n", qPrintable(filePath));
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return QImage();
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}
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QImage image(480, 360, QImage::Format_ARGB32);
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image.fill(Qt::transparent);
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{
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QPainter p(&image);
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renderer.render(&p);
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}
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return image;
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}
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int main(int argc, char **argv)
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{
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QGuiApplication app(argc, argv);
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QCommandLineParser parser;
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parser.addHelpOption();
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parser.addPositionalArgument(QLatin1String("command"), QLatin1String("[create-baseline,diff]"));
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parser.addPositionalArgument(QLatin1String("path-to-svg-testsuite"), QLatin1String("Path to the svg/ sub-directory of the test suite"));
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parser.process(app);
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const auto args = parser.positionalArguments();
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if (args.count() != 2) {
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parser.showHelp(EXIT_FAILURE);
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return EXIT_FAILURE; // never reached
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}
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const QString commandAsString = args.at(0);
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const QString sourcePath = args.at(1);
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QDirIterator sourceFileIterator(sourcePath, QStringList(QLatin1String("*.svg")), QDir::Files);
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const QString baselinePath = "baseline";
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const auto referenceFilePath = [baselinePath](const QFileInfo &testCaseFileInfo) -> QString {
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return baselinePath + QLatin1Char('/') + testCaseFileInfo.baseName() + QLatin1String(".png");
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};
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if (commandAsString == "create-baseline") {
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while (sourceFileIterator.hasNext()) {
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sourceFileIterator.next();
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QImage image = render(sourceFileIterator.filePath());
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if (image.isNull())
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return EXIT_FAILURE;
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QString outputFileName = referenceFilePath(sourceFileIterator.fileInfo());
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if (!image.save(outputFileName)) {
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fprintf(stderr, "Could not save PNG file %s\n", qPrintable(outputFileName));
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return EXIT_FAILURE;
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}
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}
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} else if (commandAsString == "diff") {
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while (sourceFileIterator.hasNext()) {
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sourceFileIterator.next();
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QImage actual = render(sourceFileIterator.filePath());
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const QString referencePath = referenceFilePath(sourceFileIterator.fileInfo());
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QImage reference;
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if (!reference.load(referencePath)) {
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fprintf(stderr, "Could not load reference file %s\n", qPrintable(referencePath));
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return EXIT_FAILURE;
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}
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if (actual == reference)
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continue;
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QImage sideBySideImage(actual.width() * 2, actual.height(), QImage::Format_ARGB32);
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sideBySideImage.fill(Qt::transparent);
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{
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QPainter p(&sideBySideImage);
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p.drawImage(0, 0, actual);
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p.drawImage(actual.width(), 0, reference);
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}
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const QString sideBySideFileName = "difference/" + sourceFileIterator.fileInfo().baseName() + QLatin1String(".png");
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if (!sideBySideImage.save(sideBySideFileName)) {
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fprintf(stderr, "Could not save side-by-side image at %s\n", qPrintable(sideBySideFileName));
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return EXIT_FAILURE;
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}
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}
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} else {
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fprintf(stderr, "Unknown command %s\n", qPrintable(commandAsString));
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return EXIT_FAILURE;
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}
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return EXIT_SUCCESS;
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}
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