itkLevelSetNode.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 __itkLevelSetNode_h
#define __itkLevelSetNode_h

#include "itkIndex.h"
#include "itkImage.h"
#include "itkVectorContainer.h"
#include "itkVector.h"

namespace itk
{
template< class TPixel, unsigned int VSetDimension = 2 >
class ITK_EXPORT LevelSetNode
{
public:

  typedef LevelSetNode Self;

  typedef TPixel PixelType;

  itkStaticConstMacro(SetDimension, unsigned int, VSetDimension);

  typedef Index< VSetDimension > IndexType;

  bool operator>(const Self & node) const
  { return m_Value > node.m_Value; }

  bool operator<(const Self & node) const
  { return m_Value < node.m_Value; }

  bool operator<=(const Self & node) const
  { return m_Value <= node.m_Value; }

  bool operator>=(const Self & node) const
  { return m_Value >= node.m_Value; }

  Self & operator=(const Self & rhs)
  {
    if ( this == &rhs ) { return *this; }

    m_Value = rhs.m_Value;
    m_Index = rhs.m_Index;
    return *this;
  }

  PixelType & GetValue()
  { return m_Value; }
  const PixelType & GetValue() const
  { return m_Value; }
  void SetValue(const PixelType & input)
  { m_Value = input; }

  IndexType & GetIndex()
  { return m_Index; }
  const IndexType & GetIndex() const
  { return m_Index; }
  void SetIndex(const IndexType & input)
  { m_Index = input; }

  LevelSetNode():m_Value(NumericTraits< PixelType >::Zero)
  {
    m_Index.Fill(0);
  }

  LevelSetNode(const Self & node):m_Value(node.m_Value), m_Index(node.m_Index) {}

private:
  PixelType m_Value;
  IndexType m_Index;
};
} // end namespace itk

#endif