itkLabelReconstructionByDilationImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkLabelReconstructionByDilationImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2006/03/28 19:59:05 $
  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 __itkLabelReconstructionByDilationImageFilter_h
#define __itkLabelReconstructionByDilationImageFilter_h

#include "itkImageToImageFilter.h"
#include "itkAttributeLabelObject.h"
#include "itkLabelMap.h"
#include "itkLabelImageToLabelMapFilter.h"
#include "itkLabelReconstructionLabelMapFilter.h"
#include "itkAttributeOpeningLabelMapFilter.h"
#include "itkLabelMapToLabelImageFilter.h"


namespace itk {

template<class TInputImage>
class ITK_EXPORT LabelReconstructionByDilationImageFilter : 
    public ImageToImageFilter<TInputImage, TInputImage>
{
public:
  typedef LabelReconstructionByDilationImageFilter Self;
  typedef ImageToImageFilter<TInputImage, TInputImage>
  Superclass;
  typedef SmartPointer<Self>        Pointer;
  typedef SmartPointer<const Self>  ConstPointer;

  typedef TInputImage InputImageType;
  typedef TInputImage OutputImageType;
  typedef typename InputImageType::Pointer         InputImagePointer;
  typedef typename InputImageType::ConstPointer    InputImageConstPointer;
  typedef typename InputImageType::RegionType      InputImageRegionType;
  typedef typename InputImageType::PixelType       InputImagePixelType;
  typedef typename OutputImageType::Pointer        OutputImagePointer;
  typedef typename OutputImageType::ConstPointer   OutputImageConstPointer;
  typedef typename OutputImageType::RegionType     OutputImageRegionType;
  typedef typename OutputImageType::PixelType      OutputImagePixelType;
  
  itkStaticConstMacro(InputImageDimension, unsigned int,
                      TInputImage::ImageDimension);
  itkStaticConstMacro(OutputImageDimension, unsigned int,
                      TInputImage::ImageDimension);
  itkStaticConstMacro(ImageDimension, unsigned int,
                      TInputImage::ImageDimension);

  typedef AttributeLabelObject<unsigned long, ImageDimension, bool> LabelObjectType;
  typedef typename itk::LabelMap< LabelObjectType > LabelMapType;
  typedef typename itk::LabelImageToLabelMapFilter< InputImageType, LabelMapType > LabelizerType;
  typedef typename itk::LabelReconstructionLabelMapFilter< LabelMapType, InputImageType > ReconstructionType;
  typedef typename itk::AttributeOpeningLabelMapFilter< LabelMapType > OpeningType;
  typedef typename itk::LabelMapToLabelImageFilter< LabelMapType, OutputImageType > BinarizerType;

  itkNewMacro(Self);  

  itkTypeMacro(LabelReconstructionByDilationImageFilter, 
               ImageToImageFilter);

#ifdef ITK_USE_CONCEPT_CHECKING

  itkConceptMacro(InputEqualityComparableCheck,
    (Concept::EqualityComparable<InputImagePixelType>));
  itkConceptMacro(IntConvertibleToInputCheck,
    (Concept::Convertible<int, InputImagePixelType>));
  itkConceptMacro(InputOStreamWritableCheck,
    (Concept::OStreamWritable<InputImagePixelType>));
#endif

  itkSetMacro(BackgroundValue, OutputImagePixelType);
  itkGetConstMacro(BackgroundValue, OutputImagePixelType);

  void SetMarkerImage(InputImageType *input)
     {
     // Process object is not const-correct so the const casting is required.
     this->SetNthInput( 0, const_cast<InputImageType *>(input) );
     }

  InputImageType * GetMarkerImage()
    {
    return static_cast<InputImageType*>(const_cast<DataObject *>(this->ProcessObject::GetInput(0)));
    }

  void SetMaskImage( const InputImageType *input)
     {
     // Process object is not const-correct so the const casting is required.
     this->SetNthInput( 1, const_cast<InputImageType *>(input) );
     }

  InputImageType * GetMaskImage()
    {
    return static_cast<InputImageType*>(const_cast<DataObject *>(this->ProcessObject::GetInput(1)));
    }


protected:
  LabelReconstructionByDilationImageFilter();
  ~LabelReconstructionByDilationImageFilter() {};
  void PrintSelf(std::ostream& os, Indent indent) const;

  void GenerateInputRequestedRegion() ;

  void EnlargeOutputRequestedRegion(DataObject *itkNotUsed(output));
  
  void GenerateData();
  

private:
  LabelReconstructionByDilationImageFilter(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented

  OutputImagePixelType m_BackgroundValue;
  
} ; // end of class

} // end namespace itk
  
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkLabelReconstructionByDilationImageFilter.txx"
#endif

#endif