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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
{
/**
* \class FastMarchingStoppingCriterionBase
\brief Abstract Stopping Criterion dedicated for Fast Marching Methods
\ingroup ITKFastMarching
*/
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;
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(FastMarchingStoppingCriterionBase);
/** Reinitialize internal values. */
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:
/** Constructor */
FastMarchingStoppingCriterionBase()
: Superclass()
, m_Domain(nullptr)
{
m_CurrentValue = OutputPixelType{};
m_PreviousValue = OutputPixelType{};
}
/** Destructor */
~FastMarchingStoppingCriterionBase() override = default;
OutputDomainPointer m_Domain{};
OutputPixelType m_PreviousValue{};
OutputPixelType m_CurrentValue{};
/** Inherited classes must implement this method and make sure member variables
got reinitialized. */
virtual void
Reset() = 0;
/** Set the Current Node */
virtual void
SetCurrentNode(const NodeType & iNode) = 0;
/** Set the Current Value */
virtual void
SetCurrentValue(const OutputPixelType & iValue)
{
m_PreviousValue = m_CurrentValue;
m_CurrentValue = iValue;
}
};
} // namespace itk
#endif
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