vtkHyperTreeGridMapper.h

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

#include "vtkMapper.h"
#include "vtkSetGet.h"       // Get macro
#include "vtkSmartPointer.h" // For vtkSmartPointer

#include "vtkRenderingHyperTreeGridModule.h" // For export macro

#include <set> // For std::set

VTK_ABI_NAMESPACE_BEGIN
class vtkHyperTreeGrid;
class vtkCompositeDataSet;
class vtkCompositeDataDisplayAttributes;
class vtkPolyData;
class vtkPolyDataMapper;
class vtkRenderWindow;
class vtkRenderer;

class VTKRENDERINGHYPERTREEGRID_EXPORT vtkHyperTreeGridMapper : public vtkMapper
{
public:
  static vtkHyperTreeGridMapper* New();
  vtkTypeMacro(vtkHyperTreeGridMapper, vtkMapper);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  using Superclass::SetInputConnection;
  void SetInputDataObject(int port, vtkDataObject* input) override;
  void SetInputDataObject(vtkDataObject* input) override;


  double* GetBounds() override;
  void GetBounds(double bounds[6]) override;
  void GetBoundsComposite(double bounds[6]);


  vtkGetMacro(UseAdaptiveDecimation, bool);
  vtkSetMacro(UseAdaptiveDecimation, bool);
  vtkBooleanMacro(UseAdaptiveDecimation, bool);


  void SetCompositeDataDisplayAttributes(vtkCompositeDataDisplayAttributes* attributes);
  vtkCompositeDataDisplayAttributes* GetCompositeDataDisplayAttributes();


  void SetBlockVisibility(unsigned int index, bool visible);
  bool GetBlockVisibility(unsigned int index);
  void RemoveBlockVisibility(unsigned int index);
  void RemoveBlockVisibilities();

  void Render(vtkRenderer* ren, vtkActor* act) override;

  int FillInputPortInformation(int port, vtkInformation* info) override;

protected:
  vtkHyperTreeGridMapper();
  ~vtkHyperTreeGridMapper() override;

  vtkSmartPointer<vtkCompositeDataSet> UpdateWithDecimation(
    vtkCompositeDataSet* htg, vtkRenderer* ren);

  // In 2D mode, these variables control the mapper optimisations
  bool UseAdaptiveDecimation = false;

  // render the extracted surface,
  // need to be created in device specific subclass
  vtkSmartPointer<vtkPolyDataMapper> Mapper;

  // Internal object to render
  vtkSmartPointer<vtkCompositeDataSet> Input;

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

  std::set<unsigned int> BlocksShown;
  std::set<unsigned int> BlocksHidden;

  void ApplyBlockVisibilities();
};

VTK_ABI_NAMESPACE_END
#endif