itkDiffusionTensor3DInterpolateImageFunctionReimplementation.h

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

  Program:   Diffusion Applications
  Module:    $HeadURL: http://svn.slicer.org/Slicer4/trunk/Modules/CLI/ResampleDTIVolume/itkDiffusionTensor3DInterpolateImageFunctionReimplementation.h $
  Language:  C++
  Date:      $Date: 2012-02-02 01:52:52 -0500 (Thu, 02 Feb 2012) $
  Version:   $Revision: 19197 $

  Copyright (c) Brigham and Women's Hospital (BWH) All Rights Reserved.

  See License.txt or http://www.slicer.org/copyright/copyright.txt for details.

==========================================================================*/
#ifndef __itkDiffusionTensor3DInterpolateImageFunctionReimplementation_h
#define __itkDiffusionTensor3DInterpolateImageFunctionReimplementation_h

#include "itkDiffusionTensor3DInterpolateImageFunction.h"
#include <itkImage.h>
// #include <itkImageRegionIteratorWithIndex.h>
#include <itkInterpolateImageFunction.h>
#include "itkSeparateComponentsOfADiffusionTensorImage.h"
// #include <itkMutexLock.h>
// #include <itkSemaphore.h>

namespace itk
{

/*struct RegionType
{
  ImageRegion< 3 > itkRegion ;
  bool Done ;
  Index< 3 > PositionInImage ;
  bool Stop ;
};*/

template <class TData, class TCoordRep = double>
class DiffusionTensor3DInterpolateImageFunctionReimplementation :
  public DiffusionTensor3DInterpolateImageFunction<TData, TCoordRep>
{
public:
  typedef TData                                                          DataType;
  typedef DiffusionTensor3DInterpolateImageFunctionReimplementation      Self;
  typedef DiffusionTensor3DInterpolateImageFunction<DataType, TCoordRep> Superclass;
  typedef typename Superclass::TensorDataType                            TensorDataType;
  typedef typename Superclass::DiffusionImageType                        DiffusionImageType;
  typedef typename Superclass::DiffusionImageTypePointer                 DiffusionImageTypePointer;
  typedef Image<DataType, 3>                                             ImageType;
  typedef typename ImageType::Pointer                                    ImagePointer;
  typedef typename Superclass::PointType                                 PointType;
  typedef SmartPointer<Self>                                             Pointer;
  typedef SmartPointer<const Self>                                       ConstPointer;
  typedef ImageRegionIteratorWithIndex<DiffusionImageType>               IteratorDiffusionImageType;
  typedef ImageRegionIteratorWithIndex<ImageType>                        IteratorImageType;
  typedef InterpolateImageFunction<ImageType, double>                    InterpolateImageFunctionType;
  typedef typename DiffusionImageType::RegionType                        itkRegionType;
  typedef typename DiffusionImageType::SizeType                          SizeType;
  typedef typename Superclass::ContinuousIndexType                       ContinuousIndexType;
  // TensorDataType Evaluate( const PointType &point ) ;
  TensorDataType EvaluateAtContinuousIndex( const ContinuousIndexType & index ) const;

  virtual void SetInputImage( const DiffusionImageType *inputImage );

  itkSetMacro( NumberOfThreads, int );
protected:
  DiffusionTensor3DInterpolateImageFunctionReimplementation();
  virtual void AllocateInterpolator() = 0;

//  void SeparateImages() ;
//  void AllocateImages() ;
//  bool DivideRegion( int currentThread ) ;
//  int RegionToDivide() ;
  typename InterpolateImageFunctionType::Pointer m_Interpol[6];
  ImagePointer m_ImageVec[6];
  int          m_NumberOfThreads;
//  Semaphore::Pointer m_Threads ;
//  int m_SplitAxis ;
//  bool m_SeparationDone ;
//  bool m_CannotSplit ;
//  MutexLock::Pointer m_Lock ;
//  MutexLock::Pointer m_LockNewThreadDetected ;
//  std::vector< RegionType > m_ListRegions ;
//  int m_NbThread ;
//  MutexLock::Pointer m_CheckRegionsDone ;
//  bool m_ExceptionThrown ;
//  SizeType m_Size ;
//  bool m_AllocateInterpolatorsDone ;
};

} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkDiffusionTensor3DInterpolateImageFunctionReimplementation.txx"
#endif

#endif