103 lines
3.1 KiB
C
103 lines
3.1 KiB
C
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/////////////////////////////////////////////////////////////////////////////
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// Name: wx/stopwatch.h
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// Purpose: wxStopWatch and global time-related functions
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// Author: Julian Smart (wxTimer), Sylvain Bougnoux (wxStopWatch)
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// Created: 26.06.03 (extracted from wx/timer.h)
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// RCS-ID: $Id: stopwatch.h 40624 2006-08-16 12:17:05Z MW $
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// Copyright: (c) 1998-2003 Julian Smart, Sylvain Bougnoux
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_STOPWATCH_H_
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#define _WX_STOPWATCH_H_
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#include "wx/defs.h"
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#include "wx/longlong.h"
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// ----------------------------------------------------------------------------
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// wxStopWatch: measure time intervals with up to 1ms resolution
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// ----------------------------------------------------------------------------
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#if wxUSE_STOPWATCH
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class WXDLLIMPEXP_BASE wxStopWatch
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{
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public:
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// ctor starts the stop watch
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wxStopWatch() { m_pauseCount = 0; Start(); }
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// start the stop watch at the moment t0
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void Start(long t0 = 0);
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// pause the stop watch
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void Pause()
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{
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if ( m_pauseCount++ == 0 )
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m_pause = GetElapsedTime();
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}
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// resume it
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void Resume()
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{
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wxASSERT_MSG( m_pauseCount > 0,
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_T("Resuming stop watch which is not paused") );
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if ( --m_pauseCount == 0 )
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Start(m_pause);
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}
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// get elapsed time since the last Start() in milliseconds
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long Time() const;
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protected:
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// returns the elapsed time since t0
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long GetElapsedTime() const;
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private:
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// the time of the last Start()
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wxLongLong m_t0;
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// the time of the last Pause() (only valid if m_pauseCount > 0)
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long m_pause;
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// if > 0, the stop watch is paused, otherwise it is running
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int m_pauseCount;
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};
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#endif // wxUSE_STOPWATCH
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#if wxUSE_LONGLONG && WXWIN_COMPATIBILITY_2_6
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// Starts a global timer
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// -- DEPRECATED: use wxStopWatch instead
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wxDEPRECATED( void WXDLLIMPEXP_BASE wxStartTimer() );
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// Gets elapsed milliseconds since last wxStartTimer or wxGetElapsedTime
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// -- DEPRECATED: use wxStopWatch instead
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wxDEPRECATED( long WXDLLIMPEXP_BASE wxGetElapsedTime(bool resetTimer = true) );
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#endif // wxUSE_LONGLONG && WXWIN_COMPATIBILITY_2_6
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// ----------------------------------------------------------------------------
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// global time functions
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// ----------------------------------------------------------------------------
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// Get number of seconds since local time 00:00:00 Jan 1st 1970.
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extern long WXDLLIMPEXP_BASE wxGetLocalTime();
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// Get number of seconds since GMT 00:00:00, Jan 1st 1970.
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extern long WXDLLIMPEXP_BASE wxGetUTCTime();
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#if wxUSE_LONGLONG
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typedef wxLongLong wxMilliClock_t;
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#else
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typedef double wxMilliClock_t;
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#endif // wxUSE_LONGLONG
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// Get number of milliseconds since local time 00:00:00 Jan 1st 1970
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extern wxMilliClock_t WXDLLIMPEXP_BASE wxGetLocalTimeMillis();
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#define wxGetCurrentTime() wxGetLocalTime()
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#endif // _WX_STOPWATCH_H_
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