vtkResampledAMRImageSource.h

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/*=========================================================================

  Program:   ParaView
  Module:    $RCSfile$

  Copyright (c) Kitware, Inc.
  All rights reserved.
  See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#ifndef vtkResampledAMRImageSource_h
#define vtkResampledAMRImageSource_h

#include "vtkPVVTKExtensionsFiltersRenderingModule.h" // needed for export macro
#include "vtkSmartPointer.h"                          // needed for vtkSmartPointer
#include "vtkTrivialProducer.h"

class vtkAMRBox;
class vtkImageData;
class vtkIntArray;
class vtkOverlappingAMR;
class vtkPointData;

class VTKPVVTKEXTENSIONSFILTERSRENDERING_EXPORT vtkResampledAMRImageSource
  : public vtkTrivialProducer
{
public:
  static vtkResampledAMRImageSource* New();
  vtkTypeMacro(vtkResampledAMRImageSource, vtkTrivialProducer);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  vtkSetVector3Macro(MaxDimensions, int);
  vtkGetVector3Macro(MaxDimensions, int);


  vtkSetVector6Macro(SpatialBounds, double);
  vtkGetVector6Macro(SpatialBounds, double);

  void Reset();

  void UpdateResampledVolume(vtkOverlappingAMR*);

  bool NeedsInitialization() const { return (this->MTime > this->InitializationTime); }

protected:
  vtkResampledAMRImageSource();
  ~vtkResampledAMRImageSource() override;

  bool Initialize(vtkOverlappingAMR* amr);
  bool UpdateResampledVolume(
    const unsigned int& level, const unsigned& index, const vtkAMRBox& box, vtkImageData* data);

  int MaxDimensions[3];
  double SpatialBounds[6];

  vtkSmartPointer<vtkImageData> ResampledAMR;
  vtkSmartPointer<vtkPointData> ResampledAMRPointData;

  vtkSmartPointer<vtkIntArray> DonorLevel;

private:
  vtkResampledAMRImageSource(const vtkResampledAMRImageSource&) = delete;
  void operator=(const vtkResampledAMRImageSource&) = delete;

  vtkTimeStamp InitializationTime;
};

#endif