itkBinomialBlurImageFilter.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 __itkBinomialBlurImageFilter_h
#define __itkBinomialBlurImageFilter_h

#include "itkImageFunction.h"
#include "itkImageRegionIterator.h"
#include "itkImageToImageFilter.h"
#include "itkSize.h"

namespace itk
{
template< class TInputImage, class TOutputImage >
class ITK_EXPORT BinomialBlurImageFilter:
  public ImageToImageFilter< TInputImage, TOutputImage >
{
public:
  typedef BinomialBlurImageFilter                         Self;
  typedef ImageToImageFilter< TInputImage, TOutputImage > Superclass;
  typedef SmartPointer< Self >                            Pointer;
  typedef SmartPointer< const Self >                      ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(BinomialBlurImageFilter, ImageToImageFilter);

  itkStaticConstMacro(NDimensions, unsigned int, TInputImage::ImageDimension);
  itkStaticConstMacro(NOutputDimensions, unsigned int, TOutputImage::ImageDimension);

  typedef TInputImage                           InputImageType;
  typedef TOutputImage                          OutputImageType;
  typedef typename OutputImageType::Pointer     OutputImagePointer;
  typedef typename InputImageType::Pointer      InputImagePointer;
  typedef typename InputImageType::ConstPointer InputImageConstPointer;

  typedef Size< itkGetStaticConstMacro(NDimensions) > SizeType;

  typedef typename TOutputImage::IndexType IndexType;

  typedef typename TOutputImage::PixelType PixelType;

  typedef typename TOutputImage::RegionType OutputImageRegionType;

  itkSetMacro(Repetitions, unsigned int);
  itkGetConstMacro(Repetitions, unsigned int);

  void GenerateInputRequestedRegion();

#ifdef ITK_USE_CONCEPT_CHECKING

  itkConceptMacro( SameDimensionCheck,
                   ( Concept::SameDimension< itkGetStaticConstMacro(NDimensions),
                                             itkGetStaticConstMacro(NOutputDimensions) > ) );
  itkConceptMacro( InputConvertibleToDoubleCheck,
                   ( Concept::Convertible< typename TInputImage::PixelType, double > ) );
  itkConceptMacro( DoubleConvertibleToOutputCheck,
                   ( Concept::Convertible< double, PixelType > ) );

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

  void GenerateData();

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

  unsigned int m_Repetitions;
};
} // end namespace itk

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

#endif