mitkIGTTimeStamp.h

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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.
 
============================================================================*/
 
 
#ifndef mitkIGTTimeStamp_h
#define mitkIGTTimeStamp_h
 
#include <itkObject.h>
#include <itkObjectFactory.h>
#include <MitkIGTExports.h>
 
#include "mitkRealTimeClock.h"
 
 
namespace mitk {
 
  class MITKIGT_EXPORT IGTTimeStamp : public itk::Object
  {
  public:
 
    mitkClassMacroItkParent(IGTTimeStamp, itk::Object);
 
    static IGTTimeStamp* CreateInstance();
 
    static IGTTimeStamp* GetInstance();
 
    void Start( itk::Object::Pointer device );
 
    void Stop( itk::Object::Pointer device );
 
    double GetElapsed();
 
    double GetElapsed(itk::Object::Pointer device);
 
 
    double GetOffset(itk::Object::Pointer Device);
 
    void SetRealTimeClock(mitk::RealTimeClock::Pointer Clock);
 
    void Initialize();
 
  protected:
 
    IGTTimeStamp();
 
    ~IGTTimeStamp() override;
 
    double GetCurrentStamp();
 
    /* the current timestamp when GetCurrentStamp() is called. */
    double m_Time;
 
    /* the timestamp in ms acquired when Start() was called. */
    double m_ReferenceTime;
 
    /* pointer to the RealTimeClock used internally */
    mitk::RealTimeClock::Pointer m_RealTimeClock;
 
    /* pointer to the current instance */
    static mitk::IGTTimeStamp::Pointer s_Instance;
 
    /* map, in which pointer to all devices calling Start(), are saved */
    std::map<itk::Object::Pointer, double> m_DeviceMap;
 
    std::map<itk::Object::Pointer, double>::iterator m_MapIterator;
  };
} // namespace mitk
 
#endif