rtkSplatWithKnownWeightsImageFilter.h

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/*=========================================================================
 *
 *  Copyright RTK 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
 *
 *         https://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 rtkSplatWithKnownWeightsImageFilter_h
#define rtkSplatWithKnownWeightsImageFilter_h

#include <itkInPlaceImageFilter.h>
#include <itkArray2D.h>

#include <itkImageRegionSplitterDirection.h>

#include "rtkMacro.h"

namespace rtk
{
template <typename VolumeSeriesType, typename VolumeType>
class ITK_TEMPLATE_EXPORT SplatWithKnownWeightsImageFilter
  : public itk::InPlaceImageFilter<VolumeSeriesType, VolumeSeriesType>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(SplatWithKnownWeightsImageFilter);

  using Self = SplatWithKnownWeightsImageFilter;
  using Superclass = itk::ImageToImageFilter<VolumeSeriesType, VolumeSeriesType>;
  using Pointer = itk::SmartPointer<Self>;
  using OutputImageRegionType = typename VolumeSeriesType::RegionType;

  itkNewMacro(Self);

#ifdef itkOverrideGetNameOfClassMacro
  itkOverrideGetNameOfClassMacro(SplatWithKnownWeightsImageFilter);
#else
  itkTypeMacro(SplatWithKnownWeightsImageFilter, itk::ImageToImageFilter);
#endif


  void
  SetInputVolumeSeries(const VolumeSeriesType * VolumeSeries);

  void
  SetInputVolume(const VolumeType * Volume);

  itkGetMacro(Weights, itk::Array2D<float>);
  itkSetMacro(Weights, itk::Array2D<float>);

  itkGetMacro(ProjectionNumber, int);
  void
  SetProjectionNumber(int n);

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

  typename VolumeSeriesType::ConstPointer
  GetInputVolumeSeries();
  typename VolumeType::Pointer
  GetInputVolume();

  void
  ThreadedGenerateData(const typename VolumeSeriesType::RegionType & outputRegionForThread,
                       itk::ThreadIdType                             itkNotUsed(threadId)) override;

  const itk::ImageRegionSplitterBase *
                                             GetImageRegionSplitter() const override;
  itk::ImageRegionSplitterDirection::Pointer m_Splitter;

  itk::Array2D<float> m_Weights;
  int                 m_ProjectionNumber;
};
} // namespace rtk


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

#endif