itkRealTimeClock.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkRealTimeClock.h,v $
  Language:  C++
  Date:      $Date: 2009-03-03 15:08:48 $
  Version:   $Revision: 1.7 $

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

  itkTypeMacro(RealTimeClock, Object);

  itkNewMacro(Self);

  typedef double        TimeStampType;

  typedef double        FrequencyType;

  TimeStampType GetTimeStamp() const;
  TimeStampType GetTimestamp() const
    {
    itkWarningMacro("This call is deprecated. "
        "Its naming was not conforming to ITK Style. "
        "Please use GetTimeStamp() instead. Note the capital S");
    return this->GetTimeStamp();
    }

  itkGetConstMacro(Frequency, FrequencyType);

protected:

  RealTimeClock();

  virtual ~RealTimeClock();

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

private:
  FrequencyType    m_Frequency;
  TimeStampType    m_Difference;
  TimeStampType    m_Origin;
};

} // end of namespace itk

#endif  // __itkRealTimeClock_h

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