vtkAbstractCellLinks.h

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

#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkObject.h"
#include "vtkWrappingHints.h" // For VTK_MARSHALAUTO

VTK_ABI_NAMESPACE_BEGIN
class vtkDataSet;
class vtkCellArray;
class vtkIdList;

class VTKCOMMONDATAMODEL_EXPORT VTK_MARSHALAUTO vtkAbstractCellLinks : public vtkObject
{
public:

  vtkTypeMacro(vtkAbstractCellLinks, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  virtual void SetDataSet(vtkDataSet*);
  vtkGetObjectMacro(DataSet, vtkDataSet);

  virtual void BuildLinks() = 0;

  virtual void Initialize() = 0;

  virtual void Squeeze() = 0;

  virtual void Reset() = 0;

  virtual unsigned long GetActualMemorySize() = 0;

  virtual void DeepCopy(vtkAbstractCellLinks* src) = 0;

  virtual void ShallowCopy(vtkAbstractCellLinks* src) = 0;

  // Enums for cell links type. Note that the specialized type is
  // set when users do not use ComputeType() and roll their own type.
  enum CellLinksTypes
  {
    LINKS_NOT_DEFINED = 0,
    CELL_LINKS = 1,
    STATIC_CELL_LINKS_USHORT = 2,
    STATIC_CELL_LINKS_UINT = 3,
    STATIC_CELL_LINKS_IDTYPE = 4,
    STATIC_CELL_LINKS_SPECIALIZED = 5
  };

  static int ComputeType(vtkIdType maxPtId, vtkIdType maxCellId, vtkCellArray* ca);
  static int ComputeType(vtkIdType maxPtId, vtkIdType maxCellId, vtkIdType connectivitySize);

  vtkGetMacro(Type, int);


  virtual void SelectCells(vtkIdType minMaxDegree[2], unsigned char* cellSelection) = 0;


  vtkGetMacro(BuildTime, vtkMTimeType);


  bool UsesGarbageCollector() const override { return true; }
protected:
  vtkAbstractCellLinks();
  ~vtkAbstractCellLinks() override;

  vtkDataSet* DataSet;
  int Type; // derived classes set this instance variable when constructed

  vtkTimeStamp BuildTime; // time at which links were built

  void ReportReferences(vtkGarbageCollector*) override;

private:
  vtkAbstractCellLinks(const vtkAbstractCellLinks&) = delete;
  void operator=(const vtkAbstractCellLinks&) = delete;
};

VTK_ABI_NAMESPACE_END
#endif