itkMergeLabelMapFilter.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 __itkMergeLabelMapFilter_h
#define __itkMergeLabelMapFilter_h

#include "itkInPlaceLabelMapFilter.h"

namespace itk
{
template< class TImage >
class ITK_EXPORT MergeLabelMapFilter:
  public InPlaceLabelMapFilter< TImage >
{
public:
  typedef MergeLabelMapFilter             Self;
  typedef InPlaceLabelMapFilter< TImage > Superclass;
  typedef SmartPointer< Self >            Pointer;
  typedef SmartPointer< const Self >      ConstPointer;

  typedef TImage                              ImageType;
  typedef typename ImageType::Pointer         ImagePointer;
  typedef typename ImageType::ConstPointer    ImageConstPointer;
  typedef typename ImageType::PixelType       PixelType;
  typedef typename ImageType::IndexType       IndexType;
  typedef typename ImageType::LabelObjectType LabelObjectType;
  typedef typename LabelObjectType::Pointer   LabelObjectPointer;

  itkStaticConstMacro(ImageDimension, unsigned int, TImage::ImageDimension);

  itkNewMacro(Self);

  itkTypeMacro(MergeLabelMapFilter, InPlaceLabelMapFilter);

#ifdef ITK_USE_CONCEPT_CHECKING

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

#endif

#ifdef STRICT
#undef STRICT
#endif
  typedef enum {
    KEEP = 0,
    AGGREGATE = 1,
    PACK = 2,
    STRICT = 3
    } MethodChoice;

  itkSetMacro(Method, MethodChoice);
  itkGetConstReferenceMacro(Method, MethodChoice);
protected:
  MergeLabelMapFilter();
  ~MergeLabelMapFilter() {}

  void GenerateData();

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

  MethodChoice m_Method;

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

  void MergeWithKeep();

  void MergeWithAggregate();

  void MergeWithPack();

  void MergeWithStrict();
}; // end of class
} // end namespace itk

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

#endif