mitkWindowsRealTimeClock.cpp

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/*============================================================================

The Medical Imaging Interaction Toolkit (MITK)

Copyright (c) German Cancer Research Center (DKFZ)
All rights reserved.

Use of this source code is governed by a 3-clause BSD license that can be
found in the LICENSE file.

============================================================================*/

#include "mitkWindowsRealTimeClock.h"

#include "windows.h"
#include <chrono>
#include <ctime>


mitk::WindowsRealTimeClock::WindowsRealTimeClock()
{
  SetFrequency();
}

mitk::WindowsRealTimeClock::~WindowsRealTimeClock()
{

}

void mitk::WindowsRealTimeClock::SetFrequency()
{
  if ( !QueryPerformanceFrequency(&m_Frequency) )
  {
    m_Frequency.QuadPart = 0;
  }
}

double mitk::WindowsRealTimeClock::GetCurrentStamp()
{
  return std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::high_resolution_clock::now().time_since_epoch()).count();
}

LARGE_INTEGER mitk::WindowsRealTimeClock::GetFrequency()
{
  return this->m_Frequency;
}