itkIsolatedConnectedImageFilter.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 __itkIsolatedConnectedImageFilter_h
#define __itkIsolatedConnectedImageFilter_h

#include "itkImageToImageFilter.h"

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

  itkNewMacro(Self);

  itkTypeMacro(IsolatedConnectedImageFilter,
               ImageToImageFilter);

  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 InputImageType::IndexType    IndexType;
  typedef typename InputImageType::SizeType     SizeType;

  typedef TOutputImage                         OutputImageType;
  typedef typename OutputImageType::Pointer    OutputImagePointer;
  typedef typename OutputImageType::RegionType OutputImageRegionType;
  typedef typename OutputImageType::PixelType  OutputImagePixelType;

  typedef std::vector< IndexType > SeedsContainerType;

  typedef typename NumericTraits<
    InputImagePixelType >::RealType InputRealType;

  void PrintSelf(std::ostream & os, Indent indent) const;

  void SetSeed1(const IndexType & seed);

  void ClearSeeds1();

  void AddSeed1(const IndexType & seed);

  void SetSeed2(const IndexType & seed);

  void ClearSeeds2();

  void AddSeed2(const IndexType & seed);

  virtual const SeedsContainerType &GetSeeds1() const;
  virtual const SeedsContainerType &GetSeeds2() const;

  itkSetMacro(Lower, InputImagePixelType);
  itkGetConstReferenceMacro(Lower, InputImagePixelType);

  itkSetMacro(Upper, InputImagePixelType);
  itkGetConstReferenceMacro(Upper, InputImagePixelType);

  void SetUpperValueLimit(InputImagePixelType upperValue)
  {
    this->SetUpper(upperValue);
  }

  InputImagePixelType GetUpperValueLimit()
  {
    return this->GetUpper();
  }

  itkSetMacro(IsolatedValueTolerance, InputImagePixelType);
  itkGetConstReferenceMacro(IsolatedValueTolerance, InputImagePixelType);

  itkSetMacro(ReplaceValue, OutputImagePixelType);
  itkGetConstReferenceMacro(ReplaceValue, OutputImagePixelType);

  itkGetConstReferenceMacro(IsolatedValue, InputImagePixelType);

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

  itkGetConstReferenceMacro(ThresholdingFailed, bool);

#ifdef ITK_USE_CONCEPT_CHECKING

  itkConceptMacro( InputHasNumericTraitsCheck,
                   ( Concept::HasNumericTraits< InputImagePixelType > ) );

#endif

protected:
  IsolatedConnectedImageFilter();
  ~IsolatedConnectedImageFilter(){}
  SeedsContainerType m_Seeds1;
  SeedsContainerType m_Seeds2;

  InputImagePixelType m_Lower;
  InputImagePixelType m_Upper;

  OutputImagePixelType m_ReplaceValue;

  InputImagePixelType m_IsolatedValue;
  InputImagePixelType m_IsolatedValueTolerance;

  bool m_FindUpperThreshold;
  bool m_ThresholdingFailed;

  // Override since the filter needs all the data for the algorithm
  void GenerateInputRequestedRegion();

  // Override since the filter produces the entire dataset
  void EnlargeOutputRequestedRegion(DataObject *output);

  void GenerateData();

private:
  IsolatedConnectedImageFilter(const Self &); //purposely not implemented
  void operator=(const Self &);               //purposely not implemented
};
} // end namespace itk

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

#endif