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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkRealTimeClock.h,v $
Language: C++
Date: $Date: 2006-05-10 20:27:16 $
Version: $Revision: 1.6 $
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 RealTimeClock
* \brief The RealTimeClock provides a timestamp from a real-time clock
*
* This class represents a real-time clock object
* and provides a timestamp in platform-independent format.
*
* \author Hee-Su Kim, Compute Science Dept. Kyungpook National University,
* ISIS Center, Georgetown University.
*/
class ITKCommon_EXPORT RealTimeClock : public Object
{
public:
typedef RealTimeClock Self;
typedef Object Superclass;
typedef SmartPointer< Self > Pointer;
typedef SmartPointer< const Self > ConstPointer;
/** Method for defining the name of the class */
itkTypeMacro(RealTimeClock, Object);
/** Method for creation through the object factory */
itkNewMacro(Self);
/** Define the type for the timestap */
typedef double TimeStampType;
/** Define the type for the frequency of the clock */
typedef double FrequencyType;
/** Returns a timestamp in seconds e.g. 52.341243 seconds */
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();
}
/** Returns the frequency of a clock */
itkGetConstMacro(Frequency, FrequencyType);
protected:
/** constructor */
RealTimeClock();
/** destructor */
virtual ~RealTimeClock();
/** Print the object information in a stream. */
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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