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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
{
/** \class BinaryThresholdSpatialFunction
* \brief A spatial functions that returns if the internal spatial function
* is within user specified thresholds.
*
* BinaryThresholdSpatialFunction is a wrapper class for an internal
* spatial function and returns true if it is within user specified
* thresholds and false otherwise.
*
* This class is templated over the internal spatial function type.
*
* \sa SpatialFunction
*
*
* \ingroup ITKCommon
*/
template <typename TFunction>
class ITK_TEMPLATE_EXPORT BinaryThresholdSpatialFunction
: public SpatialFunction<bool, TFunction::ImageDimension, typename TFunction::InputType>
{
public:
ITK_DISALLOW_COPY_AND_MOVE(BinaryThresholdSpatialFunction);
/** Standard class type aliases. */
using Self = BinaryThresholdSpatialFunction;
using Superclass = SpatialFunction<bool, TFunction::ImageDimension, typename TFunction::InputType>;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(BinaryThresholdSpatialFunction);
/** New macro for creation of through the object factory. */
itkNewMacro(Self);
/** OutputType type alias support. */
using typename Superclass::OutputType;
/** InputType type alias support. */
using InputType = typename TFunction::InputType;
/** Underlying function type. */
using FunctionType = TFunction;
/** Underlying function output type. */
using FunctionOutputType = typename TFunction::OutputType;
/** Set/Get the lower threshold. */
itkSetMacro(LowerThreshold, FunctionOutputType);
itkGetConstReferenceMacro(LowerThreshold, FunctionOutputType);
/** Set/Get the upper threshold. */
itkSetMacro(UpperThreshold, FunctionOutputType);
itkGetConstReferenceMacro(UpperThreshold, FunctionOutputType);
/** Set/Get the underlying function. */
itkSetObjectMacro(Function, FunctionType);
itkGetModifiableObjectMacro(Function, FunctionType);
/** Evaluate the function at a given position. */
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
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