Qwt User's Guide 6.3.0

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qwt_system_clock.h
1/******************************************************************************
2 * Qwt Widget Library
3 * Copyright (C) 1997 Josef Wilgen
4 * Copyright (C) 2002 Uwe Rathmann
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the Qwt License, Version 1.0
8 *****************************************************************************/
9
10#ifndef QWT_SYSTEM_CLOCK_H
11#define QWT_SYSTEM_CLOCK_H
12
13#include "qwt_global.h"
14#include <qelapsedtimer.h>
15
24 class QWT_EXPORT QwtSystemClock
25{
26 public:
27 bool isNull() const;
28
29 void start();
30 double restart();
31 double elapsed() const;
32
33 private:
34 QElapsedTimer m_timer;
35};
36
37#endif
QwtSystemClock
QwtSystemClock provides high resolution clock time functions.
Definition qwt_system_clock.h:25