itkBinaryThresholdSpatialFunction.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 __itkBinaryThresholdSpatialFunction_h
#define __itkBinaryThresholdSpatialFunction_h

#include "itkSpatialFunction.h"
#include "itkImageBase.h"

namespace itk
{
template< typename TFunction >
class ITK_EXPORT BinaryThresholdSpatialFunction:
  public SpatialFunction< bool,
                          TFunction::ImageDimension,
                          typename TFunction::InputType >
{
public:
  typedef BinaryThresholdSpatialFunction Self;
  typedef SpatialFunction< bool,
                           TFunction::ImageDimension,
                           typename TFunction::InputType > Superclass;

  typedef SmartPointer< Self >       Pointer;
  typedef SmartPointer< const Self > ConstPointer;

  itkTypeMacro(BinaryThresholdSpatialFunction, SpatialFunction);

  itkNewMacro(Self);

  typedef typename Superclass::OutputType OutputType;

  typedef typename TFunction::InputType InputType;

  typedef TFunction FunctionType;

  typedef typename TFunction::OutputType FunctionOutputType;

  itkSetMacro(LowerThreshold, FunctionOutputType);
  itkGetConstReferenceMacro(LowerThreshold, FunctionOutputType);

  itkSetMacro(UpperThreshold, FunctionOutputType);
  itkGetConstReferenceMacro(UpperThreshold, FunctionOutputType);

  itkSetObjectMacro(Function, FunctionType);
  itkGetModifiableObjectMacro(Function, FunctionType);

  virtual OutputType Evaluate(const InputType & point) const;

protected:

  BinaryThresholdSpatialFunction();
  ~BinaryThresholdSpatialFunction();
  void PrintSelf(std::ostream & os, Indent indent) const;

  FunctionOutputType m_LowerThreshold;
  FunctionOutputType m_UpperThreshold;

  typename FunctionType::Pointer m_Function;

private:
  BinaryThresholdSpatialFunction(const Self &); //purposely not implemented
  void operator=(const Self &);                 //purposely not implemented
};
} // end namespace itk

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

#endif