itkGrayscaleConnectedOpeningImageFilter.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/
#ifndef __itkGrayscaleConnectedOpeningImageFilter_h
#define __itkGrayscaleConnectedOpeningImageFilter_h

#include "itkImageToImageFilter.h"

namespace itk
{
template< class TInputImage, class TOutputImage >
class ITK_EXPORT GrayscaleConnectedOpeningImageFilter:
  public ImageToImageFilter< TInputImage, TOutputImage >
{
public:
  typedef GrayscaleConnectedOpeningImageFilter            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 typename InputImageRegionType::IndexType InputImageIndexType;
  typedef TOutputImage                             OutputImageType;
  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,
                      TOutputImage::ImageDimension);

  itkNewMacro(Self);

  itkTypeMacro(GrayscaleConnectedOpeningImageFilter,
               ImageToImageFilter);

  itkSetMacro(Seed, InputImageIndexType);
  itkGetConstMacro(Seed, InputImageIndexType);

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

#ifdef ITK_USE_CONCEPT_CHECKING

  itkConceptMacro( InputEqualityComparableCheck,
                   ( Concept::EqualityComparable< InputImagePixelType > ) );
  itkConceptMacro( InputConvertibleToOutputCheck,
                   ( Concept::Convertible< InputImagePixelType, OutputImagePixelType > ) );
  itkConceptMacro( InputOStreamWritableCheck,
                   ( Concept::OStreamWritable< InputImagePixelType > ) );

#endif

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

  void GenerateInputRequestedRegion();

  void EnlargeOutputRequestedRegion( DataObject *itkNotUsed(output) );

  void GenerateData();

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

  // implemented

  unsigned long       m_NumberOfIterationsUsed;
  InputImageIndexType m_Seed;

  bool m_FullyConnected;
}; // end of class
} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkGrayscaleConnectedOpeningImageFilter.hxx"
#endif

#endif