vtkAdaptiveDataSetSurfaceFilter.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkAdaptiveDataSetSurfaceFilter_h
#define vtkAdaptiveDataSetSurfaceFilter_h

#include "vtkFiltersHybridModule.h" // For export macro
#include "vtkGeometryFilter.h"

VTK_ABI_NAMESPACE_BEGIN
class vtkBitArray;
class vtkCamera;
class vtkHyperTreeGrid;
class vtkMatrix4x4;
class vtkRenderer;

class vtkHyperTreeGridNonOrientedGeometryCursor;
class vtkHyperTreeGridNonOrientedVonNeumannSuperCursorLight;

class VTKFILTERSHYBRID_EXPORT vtkAdaptiveDataSetSurfaceFilter : public vtkGeometryFilter
{
public:
  static vtkAdaptiveDataSetSurfaceFilter* New();
  vtkTypeMacro(vtkAdaptiveDataSetSurfaceFilter, vtkGeometryFilter);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  void SetRenderer(vtkRenderer* ren);
  vtkGetObjectMacro(Renderer, vtkRenderer);

  vtkMTimeType GetMTime() override;


  vtkSetMacro(ViewPointDepend, bool);
  vtkGetMacro(ViewPointDepend, bool);


  vtkSetMacro(FixedLevelMax, int);
  vtkGetMacro(FixedLevelMax, int);

protected:
  vtkAdaptiveDataSetSurfaceFilter();
  ~vtkAdaptiveDataSetSurfaceFilter() override;

  int RequestData(vtkInformation* vtkNotUsed(request), vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;
  int DataObjectExecute(vtkDataObject* input, vtkPolyData* output);
  int FillInputPortInformation(int port, vtkInformation* info) override;

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

  enum class ShapeState : uint8_t;

  template <int N>
  ShapeState IsShapeVisible(const std::array<std::array<double, 3>, N>& points, int level);

  void ProcessTrees(vtkHyperTreeGrid* input, vtkPolyData* output);

  void RecursivelyProcessTree1D(vtkHyperTreeGridNonOrientedGeometryCursor*, int);
  void RecursivelyProcessTree2D(vtkHyperTreeGridNonOrientedGeometryCursor*, int);
  void RecursivelyProcessTree3D(vtkHyperTreeGridNonOrientedVonNeumannSuperCursorLight*, int);

  void ProcessLeaf1D(vtkHyperTreeGridNonOrientedGeometryCursor*);

  void ProcessLeaf2D(vtkHyperTreeGridNonOrientedGeometryCursor*);

  void ProcessLeaf3D(vtkHyperTreeGridNonOrientedVonNeumannSuperCursorLight*);

  void AddFace(vtkIdType, const double*, const double*, int, unsigned int);

  vtkDataSetAttributes* InData = nullptr;
  vtkDataSetAttributes* OutData = nullptr;

  unsigned int Dimension = 0;

  unsigned int Orientation = 0;

  vtkBitArray* Mask;

  vtkPoints* Points = nullptr;

  vtkCellArray* Cells = nullptr;

  vtkRenderer* Renderer = nullptr;

  unsigned int Axis1;

  unsigned int Axis2;

  int LastRendererSize[2] = { 0, 0 };

  bool ViewPointDepend = true;

  int FixedLevelMax = -1;

  bool IsParallel = false;

  int MaxLevel = VTK_INT_MAX;

  vtkSmartPointer<vtkMatrix4x4> ModelViewMatrix;
  vtkSmartPointer<vtkMatrix4x4> ProjectionMatrix;
};

VTK_ABI_NAMESPACE_END
#endif // vtkAdaptiveDataSetSurfaceFilter_h