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_EXPORT PolyLineParametricPath:public
  ParametricPath< VDimension >
{
public:
  typedef PolyLineParametricPath       Self;
  typedef ParametricPath< VDimension > Superclass;
  typedef SmartPointer< Self >         Pointer;
  typedef SmartPointer< const Self >   ConstPointer;

  itkTypeMacro(PolyLineParametricPath, ParametricPath);

  typedef typename Superclass::InputType InputType;

  typedef typename Superclass::OutputType OutputType;

  typedef ContinuousIndex< double, VDimension >   ContinuousIndexType;
  typedef Index<  VDimension >                    IndexType;
  typedef Offset< VDimension >                    OffsetType;
  typedef Point< double, VDimension >             PointType;
  typedef Vector< double, VDimension >            VectorType;
  typedef ContinuousIndexType                     VertexType;
  typedef VectorContainer< unsigned, VertexType > VertexListType;
  typedef typename VertexListType::Pointer        VertexListPointer;

  virtual OutputType Evaluate(const InputType & input) const;

  //virtual VectorType EvaluateDerivative(const InputType & input) const;

  inline void AddVertex(const ContinuousIndexType & vertex)
  {
    m_VertexList->InsertElement(m_VertexList->Size(), vertex);
    this->Modified();
  }

  virtual inline InputType EndOfInput() const
  {
    return m_VertexList->Size() - 1;
  }

  itkNewMacro(Self);

  virtual void Initialize(void)
  {
    m_VertexList->Initialize();
  }

  itkGetModifiableObjectMacro(VertexList, VertexListType);

  virtual OffsetType IncrementInput(InputType & input) const;

  virtual VectorType EvaluateDerivative(const InputType & input) const;

protected:
  PolyLineParametricPath();
  ~PolyLineParametricPath(){}
  void PrintSelf(std::ostream & os, Indent indent) const;

private:
  PolyLineParametricPath(const Self &); //purposely not implemented
  void operator=(const Self &);         //purposely not implemented

  VertexListPointer m_VertexList;
};
} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkPolyLineParametricPath.hxx"
#endif

#endif