itkEigenAnalysis2DImageFilter.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 itkEigenAnalysis2DImageFilter_h
#define itkEigenAnalysis2DImageFilter_h

#include "itkImageToImageFilter.h"

namespace itk
{
template< typename TInputImage, typename TEigenValueImage, typename TEigenVectorImage >
class ITK_TEMPLATE_EXPORT EigenAnalysis2DImageFilter:
  public ImageToImageFilter< TInputImage, TEigenValueImage >
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(EigenAnalysis2DImageFilter);

  using Self = EigenAnalysis2DImageFilter;
  using Superclass = ImageToImageFilter< TInputImage, TEigenValueImage >;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;

  itkTypeMacro(EigenAnalysis2DImageFilter, ImageToImageFilter);

  itkNewMacro(Self);

  using EigenVectorType = typename TEigenVectorImage::PixelType;
  using VectorComponentType = typename EigenVectorType::ValueType;

  using OutputImageRegionType = typename Superclass::OutputImageRegionType;

  using EigenValueImageType = TEigenValueImage;
  using EigenValueImagePointer = typename EigenValueImageType::Pointer;
  using EigenValueImageRegionType = typename EigenValueImageType::RegionType;
  using EigenValueImagePixelType = typename EigenValueImageType::PixelType;
  using EigenVectorImageType = TEigenVectorImage;
  using EigenVectorImagePointer = typename EigenVectorImageType::Pointer;
  using EigenVectorImageRegionType = typename EigenVectorImageType::RegionType;
  using EigenVectorImagePixelType = typename EigenVectorImageType::PixelType;

  static constexpr unsigned int ImageDimension = TInputImage::ImageDimension;

  void SetInput1(TInputImage *image1);

  void SetInput2(TInputImage *image2);

  void SetInput3(TInputImage *image3);

  EigenValueImageType * GetMaxEigenValue();

  EigenValueImageType * GetMinEigenValue();

  EigenVectorImageType * GetMaxEigenVector();

  using DataObjectPointerArraySizeType = ProcessObject::DataObjectPointerArraySizeType;
  using Superclass::MakeOutput;
  DataObject::Pointer MakeOutput(DataObjectPointerArraySizeType idx) override;

#ifdef ITK_USE_CONCEPT_CHECKING
  // Begin concept checking
  itkConceptMacro( VectorComponentHasNumericTraitsCheck,
                   ( Concept::HasNumericTraits< VectorComponentType > ) );
  // End concept checking
#endif

protected:
  EigenAnalysis2DImageFilter();
  ~EigenAnalysis2DImageFilter() override = default;

  void GenerateData() override;
};
} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkEigenAnalysis2DImageFilter.hxx"
#endif

#endif