itkLabelImageToShapeLabelMapFilter.h

Go to the documentation of this file.

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkLabelImageToShapeLabelMapFilter.h,v $
  Language:  C++
  Date:      $Date: 2009-08-11 14:24:42 $
  Version:   $Revision: 1.4 $

  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 __itkLabelImageToShapeLabelMapFilter_h
#define __itkLabelImageToShapeLabelMapFilter_h

#include "itkImageToImageFilter.h"
#include "itkShapeLabelObject.h"
#include "itkLabelMap.h"
#include "itkLabelImageToLabelMapFilter.h"
#include "itkShapeLabelMapFilter.h"


namespace itk {

template<class TInputImage, class TOutputImage=LabelMap< ShapeLabelObject< ITK_TYPENAME TInputImage::PixelType, ::itk::GetImageDimension<TInputImage>::ImageDimension> > >
class ITK_EXPORT LabelImageToShapeLabelMapFilter : 
    public ImageToImageFilter<TInputImage, TOutputImage>
{
public:
  typedef LabelImageToShapeLabelMapFilter               Self;
  typedef ImageToImageFilter<TInputImage, TOutputImage> Superclass;
  typedef SmartPointer<Self>                            Pointer;
  typedef SmartPointer<const Self>                      ConstPointer;

  typedef TInputImage                              InputImageType;
  typedef typename InputImageType::Pointer         InputImagePointer;
  typedef typename InputImageType::ConstPointer    InputImageConstPointer;
  typedef typename InputImageType::RegionType      InputImageRegionType;
  typedef typename InputImageType::PixelType       InputImagePixelType;

  typedef TOutputImage                              OutputImageType;
  typedef typename OutputImageType::Pointer         OutputImagePointer;
  typedef typename OutputImageType::ConstPointer    OutputImageConstPointer;
  typedef typename OutputImageType::RegionType      OutputImageRegionType;
  typedef typename OutputImageType::PixelType       OutputImagePixelType;
  typedef typename OutputImageType::LabelObjectType LabelObjectType;
  
  itkStaticConstMacro(InputImageDimension, unsigned int, TInputImage::ImageDimension);
  itkStaticConstMacro(OutputImageDimension, unsigned int, TInputImage::ImageDimension);
  itkStaticConstMacro(ImageDimension, unsigned int, TInputImage::ImageDimension);

  typedef LabelImageToLabelMapFilter< InputImageType, OutputImageType >
                         LabelizerType;
  typedef Image< typename OutputImageType::PixelType, itkGetStaticConstMacro(OutputImageDimension)>
                         ShapeLabelFilterOutput;
  typedef ShapeLabelMapFilter< TOutputImage, ShapeLabelFilterOutput >
                         LabelObjectValuatorType;

  itkNewMacro(Self);  

  itkTypeMacro(LabelImageToShapeLabelMapFilter, 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 );

  itkSetMacro(ComputeFeretDiameter, bool);
  itkGetConstReferenceMacro(ComputeFeretDiameter, bool);
  itkBooleanMacro(ComputeFeretDiameter);

  itkSetMacro(ComputePerimeter, bool);
  itkGetConstReferenceMacro(ComputePerimeter, bool);
  itkBooleanMacro(ComputePerimeter);

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

  void GenerateInputRequestedRegion();

  void EnlargeOutputRequestedRegion(DataObject *itkNotUsed(output));

  void GenerateData();


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

  OutputImagePixelType m_BackgroundValue;
  bool                 m_ComputeFeretDiameter;
  bool                 m_ComputePerimeter;

}; // end of class

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

#endif