Revision control
++ // Copyright (C) 2025 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
++
++ #include "lightmapfile.h"
++ #include "lightmapimageprovider.h"
++ #include "lightmapviewerhelpers.h"
++
++ #include <QCoreApplication>
++ #include <QGuiApplication>
++ #include <QQmlApplicationEngine>
++ #include <QCommandLineParser>
++ #include <QCommandLineOption>
++ #include <QDebug>
++
++ int main(int argc, char *argv[])
++ {
++ QString input;
++
++ // We Handle all the command line parts first in its own QCoreApplication
++ // since we don't want to create a gui application which would not work if
++ // running through ssh for instance.
++ {
++ QCoreApplication app(argc, argv);
++ QCoreApplication::setApplicationName("Qt LightmapViewer");
++ QCoreApplication::setApplicationVersion("1.0");
++
++ QCommandLineParser parser;
++ parser.setApplicationDescription("A tool for viewing Qt's baked lightmaps");
++ parser.addHelpOption();
++ parser.addVersionOption();
++
++ QCommandLineOption printOption("print", "Print the content of the lightmap");
++ QCommandLineOption extractOption("extract", "Extract the lightmap contents into the current working directory");
++ parser.addOption(printOption);
++ parser.addOption(extractOption);
++
++ parser.addPositionalArgument("input", "Optional path to lightmap");
++
++ parser.process(app);
++
++ bool doPrint = parser.isSet(printOption);
++ bool doExtract = parser.isSet(extractOption);
++
++ const QStringList positionalArgs = parser.positionalArguments();
++ input = positionalArgs.isEmpty() ? QString() : positionalArgs.first();
++
++ if (doPrint && input.isEmpty()) {
++ qFatal() << "Print option selected with no lightmap.";
++ return 1;
++ }
++
++ if (doExtract && input.isEmpty()) {
++ qFatal() << "Extract option selected with no lightmap.";
++ return 1;
++ }
++
++ if (doPrint || doExtract)
++ return !LightmapViewerHelpers::processLightmap(input, doPrint, doExtract);
++ }
++
++ QGuiApplication app(argc, argv);
++ QQmlApplicationEngine engine;
++ QObject::connect(&engine, &QQmlApplicationEngine::objectCreationFailed, &app, []() { QCoreApplication::exit(-1); }, Qt::QueuedConnection);
++
++ LightmapFile *file = new LightmapFile();
++ if (!input.isEmpty())
++ file->setSource(QUrl::fromLocalFile(input));
++ qmlRegisterSingletonInstance("LightmapFile", 1, 0, "LightmapFile", file);
++ LightmapImageProvider *provider = new LightmapImageProvider;
++ engine.addImageProvider(QLatin1String("lightmaps"), provider);
++ engine.loadFromModule("QtQuick3D.lightmapviewer", "LightmapViewer");
++
++ return app.exec();
++ }