vtkITKImageToImageFilterF2F2.h

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

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

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

  Program:   vtkITK
  Module:    $HeadURL$
  Date:      $Date$
  Version:   $Revision$

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

#ifndef __vtkITKImageToImageFilterF2F2_h
#define __vtkITKImageToImageFilterF2F2_h

#include "vtkITKImageToImageFilter.h"
#include "vtkImageAlgorithm.h"
#include "vtkImageAppendComponents.h"
#include "itkImageToImageFilter.h"
#include "itkSplitImageFilter.h"
#include "itkJoinImageFilter.h"
#include "itkVTKImageExport.h"
#include "itkVTKImageImport.h"
#include "vtkITKUtility.h"
#include <vtkVersion.h>

class VTK_ITK_EXPORT vtkITKImageToImageFilterF2F2 : public vtkITKImageToImageFilter
{
public:
  vtkTypeMacro(vtkITKImageToImageFilterF2F2,vtkITKImageToImageFilter);
  static vtkITKImageToImageFilterF2F2* New() { return 0; };
  void PrintSelf(ostream& os, vtkIndent indent)
  {
    Superclass::PrintSelf ( os, indent );
    os << m_Filter;
  };

  virtual void SetInput1(vtkImageData *Input)
  {
    this->SetInput ( Input );
  };
  virtual void SetInput2(vtkImageData *Input)
  {
    this->vtkImageAlgorithm::SetInput(1, Input);
    this->vtkExporter1->SetInputData(Input);
  };

  virtual vtkImageData *GetOutput() { return this->append->GetOutput(); };

protected:

  typedef itk::Vector<float,2> InputImagePixelType;
  typedef itk::Vector<float,2> OutputImagePixelType;
  typedef itk::Image<InputImagePixelType, 3> InputImageType;
  typedef itk::Image<OutputImagePixelType, 3> OutputImageType;

  typedef itk::Image<float, 3> JoinImageType;
  typedef itk::VTKImageImport<JoinImageType> ImageImportType;
  typedef itk::VTKImageExport<JoinImageType> ImageExportType;
  ImageImportType::Pointer itkImporter;
  ImageExportType::Pointer itkExporter;
  ImageImportType::Pointer itkImporter1;
  ImageExportType::Pointer itkExporter1;

  typedef itk::JoinImageFilter<JoinImageType, JoinImageType> JoinFilterType;

  typedef itk::SplitImageFilter<OutputImageType, JoinImageType> SplitFilterType;

  typedef itk::ImageToImageFilter<InputImageType,OutputImageType> GenericFilterType;
  GenericFilterType::Pointer m_Filter;

  vtkImageImport* vtkImporter1;
  vtkImageExport* vtkExporter1;
  vtkImageAppendComponents* append;
  SplitFilterType::Pointer split1, split;
  JoinFilterType::Pointer join;

  vtkITKImageToImageFilterF2F2 ( GenericFilterType* filter ) : vtkITKImageToImageFilter ()
  {
    this->vtkImporter1 = vtkImageImport::New();
    this->vtkExporter1 = vtkImageExport::New();
    m_Filter = filter;
    this->itkImporter = ImageImportType::New();
    this->itkExporter = ImageExportType::New();
    ConnectPipelines(this->vtkExporter, this->itkImporter);
    ConnectPipelines(this->itkExporter, this->vtkImporter);

    this->itkImporter1 = ImageImportType::New();
    this->itkExporter1 = ImageExportType::New();
    ConnectPipelines(this->vtkExporter1, this->itkImporter1);
    ConnectPipelines(this->itkExporter1, this->vtkImporter1);
    this->LinkITKProgressToVTKProgress ( m_Filter );

    join = JoinFilterType::New();
    join->SetInput1 ( this->itkImporter->GetOutput() );
    join->SetInput2 ( this->itkImporter->GetOutput() );

    m_Filter->SetInput ( join->GetOutput() );

    split = SplitFilterType::New();
    split->SetInput ( m_Filter->GetOutput() );
    split->SetIndex ( 0 );
    split1 = SplitFilterType::New();
    split1->SetInput ( m_Filter->GetOutput() );
    split1->SetIndex ( 1 );

    this->itkExporter->SetInput ( split->GetOutput() );
    this->itkExporter1->SetInput ( split1->GetOutput() );

    this->append = vtkImageAppendComponents::New();
    this->append->SetInput ( 0, this->vtkImporter->GetOutput() );
    this->append->SetInput ( 1, this->vtkImporter1->GetOutput() );
    this->vtkCast->SetOutputScalarTypeToFloat();

  };

  ~vtkITKImageToImageFilterF2F2()
  {
    this->vtkExporter1->Delete();
    this->vtkImporter1->Delete();
    this->append->Delete();
  };

private:
  vtkITKImageToImageFilterF2F2(const vtkITKImageToImageFilterF2F2&);  
  void operator=(const vtkITKImageToImageFilterF2F2&);  
};

#endif