itkPolyLineParametricPath.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 itkPolyLineParametricPath_h
#define itkPolyLineParametricPath_h
 
#include "itkParametricPath.h"
#include "itkVectorContainer.h"
#include "itkIndex.h"
 
namespace itk
{
template <unsigned int VDimension>
class ITK_TEMPLATE_EXPORT PolyLineParametricPath : public ParametricPath<VDimension>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(PolyLineParametricPath);
 
  using Self = PolyLineParametricPath;
  using Superclass = ParametricPath<VDimension>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;
 
  itkTypeMacro(PolyLineParametricPath, ParametricPath);
 
  using InputType = typename Superclass::InputType;
 
  using OutputType = typename Superclass::OutputType;
 
  using ContinuousIndexType = typename Superclass::ContinuousIndexType;
  using IndexType = Index<VDimension>;
  using OffsetType = Offset<VDimension>;
  using PointType = Point<double, VDimension>;
  using VectorType = Vector<double, VDimension>;
  using VertexType = ContinuousIndexType;
  using VertexListType = VectorContainer<unsigned, VertexType>;
  using VertexListPointer = typename VertexListType::Pointer;
 
  OutputType
  Evaluate(const InputType & input) const override;
 
  // virtual VectorType EvaluateDerivative(const InputType & input) const;
 
  inline void
  AddVertex(const ContinuousIndexType & vertex)
  {
    m_VertexList->InsertElement(m_VertexList->Size(), vertex);
    this->Modified();
  }
 
  InputType
  EndOfInput() const override
  {
    return m_VertexList->Size() - 1;
  }
 
  itkNewMacro(Self);
 
  void
  Initialize() override
  {
    m_VertexList->Initialize();
  }
 
  itkGetModifiableObjectMacro(VertexList, VertexListType);
 
  OffsetType
  IncrementInput(InputType & input) const override;
 
  VectorType
  EvaluateDerivative(const InputType & input) const override;
 
protected:
  PolyLineParametricPath();
  ~PolyLineParametricPath() override = default;
  void
  PrintSelf(std::ostream & os, Indent indent) const override;
 
private:
  VertexListPointer m_VertexList;
};
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkPolyLineParametricPath.hxx"
#endif
 
#endif