itkParametricPath.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 itkParametricPath_h
#define itkParametricPath_h

#include "itkImageBase.h"
#include "itkPath.h"
#include "itkContinuousIndex.h"
#include "itkOffset.h"
#include "itkVector.h"

namespace itk
{
template< unsigned int VDimension >
class ITK_TEMPLATE_EXPORT ParametricPath:public
  Path< double, ContinuousIndex< SpacePrecisionType, VDimension >, VDimension >
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(ParametricPath);

  using Self = ParametricPath;

  using ContinuousIndexType = ContinuousIndex< SpacePrecisionType,VDimension >;
  using Superclass = Path< double, ContinuousIndexType, VDimension >;

  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;

  itkTypeMacro(ParametricPath, Path);

  using InputType = typename Superclass::InputType;

  using OutputType = typename Superclass::OutputType;

  using IndexType = Index<  VDimension >;
  using OffsetType = Offset< VDimension >;
  using VectorType = Vector< double, VDimension >;

  IndexType EvaluateToIndex(const InputType & input) const override;

  OffsetType IncrementInput(InputType & input) const override;

  virtual VectorType EvaluateDerivative(const InputType & input) const;

  itkSetMacro(DefaultInputStepSize, InputType)
  itkGetConstReferenceMacro(DefaultInputStepSize, InputType)

protected:
  ParametricPath();
  ~ParametricPath() override = default;
  void PrintSelf(std::ostream & os, Indent indent) const override;

  InputType m_DefaultInputStepSize;
};

} // namespace itk

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

#endif // itkParametricPath.h