itkPolyLineParametricPath.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 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_ASSIGN(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