itkRegionalMinimaImageFilter.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 __itkRegionalMinimaImageFilter_h
#define __itkRegionalMinimaImageFilter_h

#include "itkImageToImageFilter.h"

namespace itk
{
template< typename TInputImage, typename TOutputImage >
class RegionalMinimaImageFilter:
  public ImageToImageFilter< TInputImage, TOutputImage >
{
public:
  typedef RegionalMinimaImageFilter                       Self;
  typedef ImageToImageFilter< TInputImage, TOutputImage > Superclass;
  typedef SmartPointer< Self >                            Pointer;
  typedef SmartPointer< const Self >                      ConstPointer;

  typedef TInputImage                            InputImageType;
  typedef TOutputImage                           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,
                      TOutputImage::ImageDimension);

  itkNewMacro(Self);

  itkTypeMacro(RegionalMinimaImageFilter,
               ImageToImageFilter);

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

  itkSetMacro(ForegroundValue, OutputImagePixelType);
  itkGetConstMacro(ForegroundValue, OutputImagePixelType);

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

  itkSetMacro(FlatIsMinima, bool);
  itkGetConstMacro(FlatIsMinima, bool);
  itkBooleanMacro(FlatIsMinima);

#ifdef ITK_USE_CONCEPT_CHECKING
  // Begin concept checking
  itkConceptMacro( InputHasPixelTraitsCheck,
                   ( Concept::HasPixelTraits< InputImagePixelType > ) );
  itkConceptMacro( InputHasNumericTraitsCheck,
                   ( Concept::HasNumericTraits< InputImagePixelType > ) );
  // End concept checking
#endif

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

  void GenerateInputRequestedRegion();

  void EnlargeOutputRequestedRegion( DataObject *itkNotUsed(output) );

  void GenerateData();

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

  bool                 m_FullyConnected;
  bool                 m_FlatIsMinima;
  OutputImagePixelType m_ForegroundValue;
  OutputImagePixelType m_BackgroundValue;
}; // end of class
} // end namespace itk

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

#endif