main.cpp Example File

** Copyright (C) 2016 The Qt Company Ltd.
** Contact:
** This file is part of the Qt Data Visualization module of the Qt Toolkit.
** 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 For further
** information use the contact form at
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) 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.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met:

#include "audiolevels.h"

#include <QtGui/QGuiApplication>
#include <QtMultimedia/QAudio>

using namespace QtDataVisualization;

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

    Q3DBars window;

    if (!window.hasContext()) {
        qWarning() << QStringLiteral("Couldn't initialize the OpenGL context.") ;
        return -1;

    window.setFlags(window.flags() ^ Qt::FramelessWindowHint);
    window.resize(800, 500);
    window.setTitle("Qt Data Visualization - Microphone audio levels visualizer");;

    AudioLevels audioLevels(&window);

    return app.exec();

© 2016 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.