itkMultiOutputNaryFunctorImageFilter.h

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/*============================================================================
 
The Medical Imaging Interaction Toolkit (MITK)
 
Copyright (c) German Cancer Research Center (DKFZ)
All rights reserved.
 
Use of this source code is governed by a 3-clause BSD license that can be
found in the LICENSE file.
 
============================================================================*/
 
#ifndef itkMultiOutputNaryFunctorImageFilter_h
#define itkMultiOutputNaryFunctorImageFilter_h
 
#include <itkImageToImageFilter.h>
#include <itkImageIterator.h>
#include <itkArray.h>
 
namespace itk
{
template< class TInputImage, class TOutputImage, class TFunction, class TMaskImage = ::itk::Image<unsigned char, TInputImage::ImageDimension> >
class ITK_EXPORT MultiOutputNaryFunctorImageFilter:
  public ImageToImageFilter< TInputImage, TOutputImage >
 
{
public:
  typedef MultiOutputNaryFunctorImageFilter                          Self;
  typedef ImageToImageFilter< TInputImage, TOutputImage > Superclass;
  typedef SmartPointer< Self >                            Pointer;
  typedef SmartPointer< const Self >                      ConstPointer;
  itkNewMacro(Self);
 
  itkTypeMacro(MultiOutputNaryFunctorImageFilter, ImageToImageFilter);
 
  typedef TFunction                            FunctorType;
  typedef TInputImage                          InputImageType;
  typedef typename InputImageType::Pointer     InputImagePointer;
  typedef typename InputImageType::RegionType  InputImageRegionType;
  typedef typename InputImageType::PixelType   InputImagePixelType;
  typedef TOutputImage                         OutputImageType;
  typedef typename OutputImageType::Pointer    OutputImagePointer;
  typedef typename OutputImageType::RegionType OutputImageRegionType;
  typedef typename OutputImageType::PixelType  OutputImagePixelType;
  typedef typename FunctorType::InputPixelArrayType     NaryInputArrayType;
  typedef typename FunctorType::OutputPixelArrayType    NaryOutputArrayType;
  typedef TMaskImage MaskImageType;
  typedef typename MaskImageType::Pointer     MaskImagePointer;
  typedef typename MaskImageType::RegionType  MaskImageRegionType;
 
  FunctorType & GetFunctor() { return m_Functor; }
 
  void SetFunctor(FunctorType & functor)
  {
    if ( m_Functor != functor )
      {
      m_Functor = functor;
      this->ActualizeOutputs();
      this->Modified();
      }
  }
 
  itkSetObjectMacro(Mask, MaskImageType);
  itkGetConstObjectMacro(Mask, MaskImageType);
 
  itkStaticConstMacro(
    InputImageDimension, unsigned int, TInputImage::ImageDimension);
  itkStaticConstMacro(
    OutputImageDimension, unsigned int, TOutputImage::ImageDimension);
 
#ifdef ITK_USE_CONCEPT_CHECKING
  itkConceptMacro( SameDimensionCheck,
                   ( Concept::SameDimension< InputImageDimension, OutputImageDimension > ) );
  itkConceptMacro( OutputHasZeroCheck,
                   ( Concept::HasZero< OutputImagePixelType > ) );
#endif
protected:
  MultiOutputNaryFunctorImageFilter();
  ~MultiOutputNaryFunctorImageFilter() override {}
 
  void ThreadedGenerateData(const OutputImageRegionType & outputRegionForThread,
                            ThreadIdType threadId) override;
 
  void ActualizeOutputs();
 
private:
  MultiOutputNaryFunctorImageFilter(const Self &); //purposely not implemented
  void operator=(const Self &);         //purposely not implemented
 
  FunctorType m_Functor;
  MaskImagePointer m_Mask;
};
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#include <itkMultiOutputNaryFunctorImageFilter.tpp>
#endif
 
#endif