Qwt User's Guide 6.1.5

qwt_system_clock.h
1 /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
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
33 class QWT_EXPORT QwtSystemClock
34 {
35 public:
36 QwtSystemClock();
37 virtual ~QwtSystemClock();
38
39 bool isNull() const;
40
41 void start();
42 double restart();
43 double elapsed() const;
44
45 private:
46 class PrivateData;
47 PrivateData *d_data;
48 };
49
50 #endif
QwtSystemClock
QwtSystemClock provides high resolution clock time functions.
Definition: qwt_system_clock.h:33