HiResTimer.hpp

/* ***** BEGIN LICENSE BLOCK *****
 * FW4SPL - Copyright (C) IRCAD, 2009-2015.
 * Distributed under the terms of the GNU Lesser General Public License (LGPL) as
 * published by the Free Software Foundation.
 * ****** END LICENSE BLOCK ****** */

#ifndef __FWCORE_HIRESTIMER_HPP__
#define __FWCORE_HIRESTIMER_HPP__

#ifdef WIN32
#include <windows.h>
#else
#include <sys/time.h>
#endif

#include <fwCore/BaseObject.hpp>
#include "fwCore/HiResClock.hpp"
#include <fwCore/config.hpp>

namespace fwCore
{

class FWCORE_CLASS_API HiResTimer : public BaseObject
{
public:
    fwCoreClassDefinitionsWithFactoryMacro( (HiResTimer)(BaseObject), (()), new HiResTimer);

    FWCORE_API HiResTimer();
    FWCORE_API virtual ~HiResTimer();

    FWCORE_API void   start();

    FWCORE_API void   stop();

    FWCORE_API void   reset(::fwCore::HiResClock::HiResClockType initial_value = 0.);


    FWCORE_API ::fwCore::HiResClock::HiResClockType getElapsedTimeInSec();

    FWCORE_API ::fwCore::HiResClock::HiResClockType getElapsedTimeInMilliSec();

    FWCORE_API ::fwCore::HiResClock::HiResClockType getElapsedTimeInMicroSec();

protected:


private:
    ::fwCore::HiResClock::HiResClockType m_startTimeInMicroSec;
    ::fwCore::HiResClock::HiResClockType m_endTimeInMicroSec;
    ::fwCore::HiResClock::HiResClockType m_cumulTimeInMicroSec;
    bool m_stopped;
};

} //namespace fwCore

#endif // __FWCORE_HIRESTIMER_HPP__