vtkCellAttribute.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkCellAttribute_h
#define vtkCellAttribute_h
 
#include "vtkCommonDataModelModule.h" // for export
#include "vtkObject.h"
#include "vtkScalarsToColors.h" // for colormap
#include "vtkSmartPointer.h"    // for maps
#include "vtkStringToken.h"     // for vtkStringToken::Hash
 
#include <unordered_map>
 
VTK_ABI_NAMESPACE_BEGIN
class vtkAbstractArray;
class vtkCellAttribute;
class vtkCellGrid;
class vtkDataSetAttributes;
 
class VTKCOMMONDATAMODEL_EXPORT vtkCellAttribute : public vtkObject
{
public:
  using ArraysForCellType = std::unordered_map<vtkStringToken, vtkSmartPointer<vtkAbstractArray>>;
  using Arrays = std::unordered_map<vtkStringToken, ArraysForCellType>;
 
  vtkTypeMacro(vtkCellAttribute, vtkObject);
  static vtkCellAttribute* New();
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  virtual vtkStringToken GetName() const { return this->Name; }
 
  vtkGetMacro(Id, int);
  vtkSetMacro(Id, int);
 
  virtual vtkStringToken GetAttributeType() const { return this->AttributeType; }
 
  virtual vtkStringToken GetSpace() const { return this->Space; }
 
  virtual int GetNumberOfComponents() const { return this->NumberOfComponents; }
 
  virtual bool Initialize(vtkStringToken name, vtkStringToken attributeType, vtkStringToken space,
    int numberOfComponents);
 
  virtual vtkStringToken::Hash GetHash() const;
 
  virtual ArraysForCellType GetArraysForCellType(vtkStringToken cellType) const;
 
  virtual bool SetArraysForCellType(vtkStringToken cellType, const ArraysForCellType& arrays);
 
  vtkScalarsToColors* GetColormap() const { return this->Colormap; }
  bool SetColormap(vtkScalarsToColors* colormap);
 
  virtual void ShallowCopy(vtkCellAttribute* other);
  virtual void DeepCopy(vtkCellAttribute* other,
    const std::map<vtkAbstractArray*, vtkAbstractArray*>& arrayRewrites = {});
 
protected:
  vtkCellAttribute() = default;
  ~vtkCellAttribute() override = default;
 
  vtkStringToken Name;
  vtkStringToken AttributeType;
  vtkStringToken Space;
  int NumberOfComponents = 1;
  Arrays AllArrays;
  int Id = -1;
  vtkSmartPointer<vtkScalarsToColors> Colormap;
 
private:
  vtkCellAttribute(const vtkCellAttribute&) = delete;
  void operator=(const vtkCellAttribute&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif