itkFastMarchingStoppingCriterionBase.h

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/*=========================================================================
 *
 *  Copyright NumFOCUS
 *
 *  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
 *
 *         https://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 itkFastMarchingStoppingCriterionBase_h
#define itkFastMarchingStoppingCriterionBase_h
 
#include "itkStoppingCriterionBase.h"
#include "itkNumericTraits.h"
#include "itkFastMarchingTraits.h"
 
namespace itk
{
 
template <typename TInput, typename TOutput>
class FastMarchingStoppingCriterionBase : public StoppingCriterionBase
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(FastMarchingStoppingCriterionBase);
 
  using Self = FastMarchingStoppingCriterionBase;
  using Superclass = StoppingCriterionBase;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;
  using Traits = FastMarchingTraits<TInput, TOutput>;
 
  using NodeType = typename Traits::NodeType;
  using OutputPixelType = typename Traits::OutputPixelType;
  using NodePairType = typename Traits::NodePairType;
  using OutputDomainType = typename Traits::OutputDomainType;
  using OutputDomainPointer = typename Traits::OutputDomainPointer;
 
  itkOverrideGetNameOfClassMacro(FastMarchingStoppingCriterionBase);
 
  void
  Reinitialize()
  {
    m_CurrentValue = OutputPixelType{};
    m_PreviousValue = OutputPixelType{};
 
    this->Reset();
  }
 
  void
  SetCurrentNodePair(const NodePairType & iNodePair)
  {
    this->SetCurrentNode(iNodePair.GetNode());
    this->SetCurrentValue(iNodePair.GetValue());
  }
 
  itkSetObjectMacro(Domain, OutputDomainType);
  itkGetModifiableObjectMacro(Domain, OutputDomainType);
 
protected:
  FastMarchingStoppingCriterionBase()
    : Superclass()
    , m_Domain(nullptr)
  {
    m_CurrentValue = OutputPixelType{};
    m_PreviousValue = OutputPixelType{};
  }
  ~FastMarchingStoppingCriterionBase() override = default;
 
  OutputDomainPointer m_Domain{};
 
  OutputPixelType m_PreviousValue{};
  OutputPixelType m_CurrentValue{};
 
  virtual void
  Reset() = 0;
 
  virtual void
  SetCurrentNode(const NodeType & iNode) = 0;