itkPointSetFunction.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 itkPointSetFunction_h
#define itkPointSetFunction_h

#include "itkFunctionBase.h"
#include "itkPoint.h"

namespace itk
{


template <
typename TInputPointSet,
typename TOutput,
typename TCoordRep = float
>
class ITK_TEMPLATE_EXPORT PointSetFunction :
    public FunctionBase<typename TInputPointSet::PointType, TOutput>
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(PointSetFunction);

  static constexpr unsigned int Dimension = TInputPointSet::PointDimension;

  using Self = PointSetFunction;
  using Superclass = FunctionBase
    <typename TInputPointSet::PointType, TOutput>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;

  itkTypeMacro( PointSetFunction, FunctionBase );

  using InputPointSetType = TInputPointSet;

  using InputPointType = typename InputPointSetType::PointType;
  using InputPixelType = typename InputPointSetType::PixelType;

  using InputPointSetConstPointer = typename InputPointSetType::ConstPointer;

  using OutputType = TOutput;

  using CoordRepType = TCoordRep;

  virtual void SetInputPointSet( const InputPointSetType * ptr );

  const InputPointSetType * GetInputPointSet() const
    { return m_PointSet.GetPointer(); }

  TOutput Evaluate( const InputPointType& point ) const override = 0;

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

  InputPointSetConstPointer                             m_PointSet;
};

} // end namespace itk

// Define instantiation macro for this template.
#define ITK_TEMPLATE_PointSetFunction(_, EXPORT, x, y) namespace itk { \
  _(3(class EXPORT PointSetFunction< ITK_TEMPLATE_3 x >)) \
  namespace Templates { using PointSetFunction##y = PointSetFunction< ITK_TEMPLATE_3 x >; } \
  }


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


#endif