itkNormalizeToConstantImageFilter.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 __itkNormalizeToConstantImageFilter_h
#define __itkNormalizeToConstantImageFilter_h

#include "itkImageToImageFilter.h"
#include "itkConceptChecking.h"

namespace itk {

template<class TInputImage, class TOutputImage>
class ITK_EXPORT NormalizeToConstantImageFilter :
    public ImageToImageFilter<TInputImage, TOutputImage>
{
public:
  typedef NormalizeToConstantImageFilter Self;

  typedef ImageToImageFilter<TInputImage, TOutputImage> Superclass;

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

  typedef TInputImage                              InputImageType;
  typedef TOutputImage                             OutputImageType;
  typedef typename InputImageType::Pointer         InputImagePointer;
  typedef typename InputImageType::ConstPointer    InputImageConstPointer;
  typedef typename InputImageType::PixelType       InputImagePixelType;
  typedef typename OutputImageType::Pointer        OutputImagePointer;
  typedef typename OutputImageType::ConstPointer   OutputImageConstPointer;
  typedef typename OutputImageType::PixelType      OutputImagePixelType;
  typedef typename InputImageType::RegionType      RegionType;
  typedef typename InputImageType::IndexType       IndexType;
  typedef typename InputImageType::SizeType        SizeType;

  typedef typename NumericTraits<InputImagePixelType>::RealType RealType;

  itkStaticConstMacro(InputImageDimension, unsigned int,
                      TInputImage::ImageDimension);
  itkStaticConstMacro(OutputImageDimension, unsigned int,
                      TOutputImage::ImageDimension);
  itkStaticConstMacro(ImageDimension, unsigned int,
                      TOutputImage::ImageDimension);

  itkNewMacro(Self);

  itkTypeMacro(NormalizeToConstantImageFilter, ImageToImageFilter);

  itkSetMacro(Constant, RealType);
  itkGetConstMacro(Constant, RealType);

#ifdef ITK_USE_CONCEPT_CHECKING

  itkConceptMacro(InputHasPixelTraitsCheck,
    (Concept::HasPixelTraits<InputImagePixelType>));
  itkConceptMacro(InputHasNumericTraitsCheck,
    (Concept::HasNumericTraits<InputImagePixelType>));

#endif

protected:
  NormalizeToConstantImageFilter();
  virtual ~NormalizeToConstantImageFilter() {};
  void PrintSelf(std::ostream& os, Indent indent) const;

  void GenerateInputRequestedRegion();

  void GenerateData();


private:
  NormalizeToConstantImageFilter(const Self&); //purposely not implemented
  void operator=(const Self&);                 //purposely not implemented

  RealType m_Constant;

}; // end of class
} // end namespace itk

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

#endif