main.cpp Example File

audiolevels/main.cpp
 /****************************************************************************
 **
 ** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:GPL$
 ** 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 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: https://www.gnu.org/licenses/gpl-3.0.html.
 **
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 #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");
     window.show();

     AudioLevels audioLevels(&window);

     return app.exec();
 }