itkBinaryThresholdSpatialFunction.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
 *
 *         https://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 itkBinaryThresholdSpatialFunction_h
#define itkBinaryThresholdSpatialFunction_h
 
#include "itkSpatialFunction.h"
#include "itkImageBase.h"
 
namespace itk
{
template <typename TFunction>
class ITK_TEMPLATE_EXPORT BinaryThresholdSpatialFunction
  : public SpatialFunction<bool, TFunction::ImageDimension, typename TFunction::InputType>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(BinaryThresholdSpatialFunction);

  using Self = BinaryThresholdSpatialFunction;
  using Superclass = SpatialFunction<bool, TFunction::ImageDimension, typename TFunction::InputType>;
 
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;

  itkOverrideGetNameOfClassMacro(BinaryThresholdSpatialFunction);

  itkNewMacro(Self);

  using typename Superclass::OutputType;

  using InputType = typename TFunction::InputType;

  using FunctionType = TFunction;

  using FunctionOutputType = typename TFunction::OutputType;

  itkSetMacro(LowerThreshold, FunctionOutputType);
  itkGetConstReferenceMacro(LowerThreshold, FunctionOutputType);
  itkSetMacro(UpperThreshold, FunctionOutputType);
  itkGetConstReferenceMacro(UpperThreshold, FunctionOutputType);
  itkSetObjectMacro(Function, FunctionType);
  itkGetModifiableObjectMacro(Function, FunctionType);
  OutputType
  Evaluate(const InputType & point) const override;
 
protected:
  BinaryThresholdSpatialFunction() = default;
  ~BinaryThresholdSpatialFunction() override = default;
  void
  PrintSelf(std::ostream & os, Indent indent) const override;
 
  FunctionOutputType m_LowerThreshold{ NumericTraits<FunctionOutputType>::NonpositiveMin() };
  FunctionOutputType m_UpperThreshold{ NumericTraits<FunctionOutputType>::max() };
 
  typename FunctionType::Pointer m_Function{};
};
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkBinaryThresholdSpatialFunction.hxx"
#endif
 
#endif