qwt_system_clock.h

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/******************************************************************************
 * Qwt Widget Library
 * Copyright (C) 1997   Josef Wilgen
 * Copyright (C) 2002   Uwe Rathmann
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the Qwt License, Version 1.0
 *****************************************************************************/
 
#ifndef QWT_SYSTEM_CLOCK_H
#define QWT_SYSTEM_CLOCK_H
 
#include "qwt_global.h"
#include <qelapsedtimer.h>
 
class QWT_EXPORT QwtSystemClock
{
  public:
    bool isNull() const;
 
    void start();
    double restart();
    double elapsed() const;
 
  private:
    QElapsedTimer m_timer;
};
 
#endif