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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt for Device Creation.
**
** $QT_BEGIN_LICENSE:GPL$
** 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef FPSCOUNTER_H
#define FPSCOUNTER_H
#include <QObject>
#include <QElapsedTimer>
class QQuickWindow;
class FpsCounter : public QObject
{
Q_OBJECT
public:
FpsCounter(QQuickWindow *window);
void timerEvent(QTimerEvent *);
signals:
void fps(qreal newFps);
public slots:
void frameSwapped() { ++m_frameCounter; }
private:
QElapsedTimer m_timer;
int m_frameCounter;
};
#endif // FPSCOUNTER_H
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