itkWatershedBoundaryResolver.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 itkWatershedBoundaryResolver_h
#define itkWatershedBoundaryResolver_h


#include "itkWatershedSegmenter.h"

namespace itk
{
namespace watershed
{
template< typename TPixelType, unsigned int TDimension >
class ITK_TEMPLATE_EXPORT BoundaryResolver:public ProcessObject
{
public:
  using Self = BoundaryResolver;
  using Superclass = ProcessObject;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;
  itkNewMacro(Self);
  itkTypeMacro(WatershedBoundaryResolver, ProcessObject);

  static constexpr unsigned int ImageDimension = TDimension;

  using PixelType = TPixelType;
  using BoundaryType = Boundary< PixelType, TDimension >;
  using EquivalencyTableType = EquivalencyTable;
  using SegmenterType = Segmenter< Image< TPixelType, TDimension > >;
  using DataObjectPointer = DataObject::Pointer;

  void SetBoundaryA(BoundaryType *bd)
  { this->ProcessObject::SetNthInput(0, bd); }
  typename BoundaryType::Pointer GetBoundaryA()
  { return static_cast< BoundaryType * >( this->GetInput(0) );  }

  void SetBoundaryB(BoundaryType *bd)
  { this->ProcessObject::SetNthInput(1, bd); }
  typename BoundaryType::Pointer GetBoundaryB()
  { return static_cast< BoundaryType * >( this->GetInput(1) );  }

  itkSetMacro(Face, unsigned short);
  itkGetConstMacro(Face, unsigned short);

  void SetEquivalencyTable(EquivalencyTableType::Pointer a)
  { this->ProcessObject::SetNthOutput( 0, a.GetPointer() ); }
  EquivalencyTableType::Pointer GetEquivalencyTable()
  {
    return static_cast< EquivalencyTableType * >
           ( this->ProcessObject::GetOutput(0) );
  }

  void GenerateData() override;

  using DataObjectPointerArraySizeType = ProcessObject::DataObjectPointerArraySizeType;
  using Superclass::MakeOutput;
  DataObjectPointer MakeOutput(DataObjectPointerArraySizeType idx) override;

protected:
  BoundaryResolver()
  {
    EquivalencyTable::Pointer eq =
      static_cast< EquivalencyTable * >( this->MakeOutput(0).GetPointer() );

    this->SetNumberOfRequiredOutputs(1);
    this->ProcessObject::SetNthOutput( 0, eq.GetPointer() );
  }

  ~BoundaryResolver() override = default;
  BoundaryResolver(const Self &) {}
  void operator=(const Self &) {}
  void PrintSelf(std::ostream & os, Indent indent) const override;

  unsigned short m_Face{0};
  void GenerateOutputRequestedRegion(DataObject *output) override;
};
} // end namespace watershed
} // end namespace itk

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

#endif