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< class TPixelType, unsigned int TDimension >
class ITK_EXPORT BoundaryResolver:public ProcessObject
{
public:
  typedef BoundaryResolver           Self;
  typedef ProcessObject              Superclass;
  typedef SmartPointer< Self >       Pointer;
  typedef SmartPointer< const Self > ConstPointer;
  itkNewMacro(Self);
  itkTypeMacro(WatershedBoundaryResolver, ProcessObject);

  itkStaticConstMacro(ImageDimension, unsigned int, TDimension);

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

  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();

  typedef ProcessObject::DataObjectPointerArraySizeType DataObjectPointerArraySizeType;
  using Superclass::MakeOutput;
  virtual DataObjectPointer MakeOutput(DataObjectPointerArraySizeType idx);

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

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

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

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

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

#endif