itkRealTimeClock.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkRealTimeClock.h,v $
  Language:  C++
  Date:      $Date: 2005/05/24 22:39:58 $
  Version:   $Revision: 1.2 $

  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

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

#ifndef __itkRealTimeClock_h
#define __itkRealTimeClock_h

#include <itkMacro.h>
#include <itkObject.h>
#include <itkObjectFactory.h>

namespace itk
{

class ITKCommon_EXPORT RealTimeClock : public itk::Object
{
  
public:
  
  typedef RealTimeClock Self;
  typedef itk::Object Superclass;
  typedef itk::SmartPointer< Self > Pointer;
  typedef itk::SmartPointer< const Self > ConstPointer;

  itkTypeMacro(RealTimeClock, Object);

  itkNewMacro(Self);

  double GetTimestamp() const;

  itkGetConstMacro(Frequency, double);

protected:

  RealTimeClock();

  virtual ~RealTimeClock();

  virtual void PrintSelf( std::ostream& os, itk::Indent indent ) const;

private:
  
  double m_Frequency;

  double m_Difference;

  double m_Origin;

};

} // end of namespace itk


#endif  // __itkRealTimeClock_h

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