itkLabelMapToAttributeImageFilter.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 itkLabelMapToAttributeImageFilter_h
#define itkLabelMapToAttributeImageFilter_h

#include "itkImageToImageFilter.h"
#include "itkAttributeLabelObject.h"

namespace itk {

template<typename TInputImage, typename TOutputImage, typename TAttributeAccessor=
    typename Functor::AttributeLabelObjectAccessor< typename TInputImage::LabelObjectType > >
class LabelMapToAttributeImageFilter :
    public ImageToImageFilter<TInputImage, TOutputImage>
{
public:
  typedef LabelMapToAttributeImageFilter                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::RegionType      InputImageRegionType;
  typedef typename InputImageType::PixelType       InputImagePixelType;
  typedef typename OutputImageType::Pointer        OutputImagePointer;
  typedef typename OutputImageType::ConstPointer   OutputImageConstPointer;
  typedef typename OutputImageType::RegionType     OutputImageRegionType;
  typedef typename OutputImageType::PixelType      OutputImagePixelType;
  typedef typename OutputImageType::IndexType      IndexType;

  typedef TAttributeAccessor                                  AttributeAccessorType;
  typedef typename AttributeAccessorType::AttributeValueType  AttributeValueType;

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

  itkNewMacro(Self);

  itkTypeMacro(LabelMapToAttributeImageFilter,
               ImageToImageFilter);

  itkSetMacro(BackgroundValue, OutputImagePixelType);
  itkGetConstMacro(BackgroundValue, OutputImagePixelType);

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

  void GenerateInputRequestedRegion() ITK_OVERRIDE;

  void EnlargeOutputRequestedRegion(DataObject *itkNotUsed(output)) ITK_OVERRIDE;

  void GenerateData() ITK_OVERRIDE;

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

  OutputImagePixelType m_BackgroundValue;

}; // end of class

} // end namespace itk

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

#endif