vtkAssignAttribute.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkAssignAttribute_h
#define vtkAssignAttribute_h
 
#include "vtkFiltersCoreModule.h" // For export macro
#include "vtkPassInputTypeAlgorithm.h"
 
#include "vtkDataSetAttributes.h" // Needed for NUM_ATTRIBUTES
 
VTK_ABI_NAMESPACE_BEGIN
class vtkFieldData;
 
class VTKFILTERSCORE_EXPORT vtkAssignAttribute : public vtkPassInputTypeAlgorithm
{
public:
  vtkTypeMacro(vtkAssignAttribute, vtkPassInputTypeAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  static vtkAssignAttribute* New();
 
  void Assign(int inputAttributeType, int attributeType, int attributeLoc);
 
  void Assign(const char* fieldName, int attributeType, int attributeLoc);
 
  void Assign(const char* name, const char* attributeType, const char* attributeLoc);
 
  // Always keep NUM_ATTRIBUTE_LOCS as the last entry
  enum AttributeLocation
  {
    POINT_DATA = 0,
    CELL_DATA = 1,
    VERTEX_DATA = 2,
    EDGE_DATA = 3,
    NUM_ATTRIBUTE_LOCS
  };
 
protected:
  enum FieldType
  {
    NAME,
    ATTRIBUTE
  };
 
  vtkAssignAttribute();
  ~vtkAssignAttribute() override;
 
  int RequestInformation(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  int FillInputPortInformation(int, vtkInformation*) override;
 
  char* FieldName;
  int FieldTypeAssignment;
  int AttributeType;
  int InputAttributeType;
  int AttributeLocationAssignment;
 
  static char AttributeLocationNames[vtkAssignAttribute::NUM_ATTRIBUTE_LOCS][12];
  static char AttributeNames[vtkDataSetAttributes::NUM_ATTRIBUTES][20];
 
private:
  vtkAssignAttribute(const vtkAssignAttribute&) = delete;
  void operator=(const vtkAssignAttribute&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif