itkNormalVectorFunctionBase.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
 *
 *         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 itkNormalVectorFunctionBase_h
#define itkNormalVectorFunctionBase_h
 
#include "itkFiniteDifferenceSparseImageFunction.h"
 
namespace itk
{
template <typename TSparseImageType>
class ITK_TEMPLATE_EXPORT NormalVectorFunctionBase : public FiniteDifferenceSparseImageFunction<TSparseImageType>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(NormalVectorFunctionBase);
 
  using Self = NormalVectorFunctionBase;
  using Superclass = FiniteDifferenceSparseImageFunction<TSparseImageType>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;
 
  itkTypeMacro(NormalVectorFunctionBase, FiniteDifferenceSparseImageFunction);
 
  static constexpr unsigned int ImageDimension = Superclass::ImageDimension;
 
  using TimeStepType = typename Superclass::TimeStepType;
  using RadiusType = typename Superclass::RadiusType;
  using NeighborhoodType = typename Superclass::NeighborhoodType;
  using FloatOffsetType = typename Superclass::FloatOffsetType;
  using IndexType = typename Superclass::IndexType;
  using SparseImageType = typename Superclass::SparseImageType;
 
  using NodeType = typename SparseImageType::NodeType;
 
  using NodeValueType = typename NodeType::NodeValueType;
 
  using NormalVectorType = typename NodeType::NodeDataType;
 
  void *
  GetGlobalDataPointer() const override
  {
    return nullptr;
  }
  void
  ReleaseGlobalDataPointer(void *) const override
  {}
 
  TimeStepType
  ComputeGlobalTimeStep(void *) const override
  {
    return m_TimeStep;
  }
 
  void
  SetTimeStep(const TimeStepType & ts)
  {
    m_TimeStep = ts;
  }
 
  TimeStepType
  GetTimeStep() const
  {
    return m_TimeStep;
  }
 
protected:
  NormalVectorFunctionBase();
  ~NormalVectorFunctionBase() override = default;
  void
  PrintSelf(std::ostream & os, Indent indent) const override;
 
private:
  TimeStepType m_TimeStep;
};
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkNormalVectorFunctionBase.hxx"
#endif
 
#endif