Surface Graph Gallery

 // Copyright (C) 2023 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

 #include <QtGraphs/qutils.h>

 #include <QtGui/qguiapplication.h>
 #include <QtQml/qqmlengine.h>
 #include <QtQuick/qquickview.h>

 #ifdef QMAKE_BUILD
 #include "datasource.h"
 #endif

 int main(int argc, char *argv[])
 {
     QGuiApplication app(argc, argv);

 #ifdef QMAKE_BUILD
     qmlRegisterType<DataSource>("SurfaceGallery", 1, 0, "DataSource");
 #endif

     QQuickView viewer;

     // Enable antialiasing in direct rendering mode
     viewer.setFormat(qDefaultSurfaceFormat(true));

     // The following are needed to make examples run without having to install the
     // module in desktop environments.
 #ifdef Q_OS_WIN
     QString extraImportPath(QStringLiteral("%1/../../../../%2"));
 #else
     QString extraImportPath(QStringLiteral("%1/../../../%2"));
 #endif
     viewer.engine()->addImportPath(
         extraImportPath.arg(QGuiApplication::applicationDirPath(), QString::fromLatin1("qml")));
     QObject::connect(viewer.engine(), &QQmlEngine::quit, &viewer, &QWindow::close);

     viewer.setTitle(QStringLiteral("Surface Graph Gallery"));

     viewer.setSource(QUrl("qrc:/qml/surfacegallery/main.qml"));
     viewer.setResizeMode(QQuickView::SizeRootObjectToView);
     viewer.show();

     return app.exec();
 }