vtkMergeArrays.h

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

#include "vtkFiltersGeneralModule.h" // For export macro
#include "vtkPassInputTypeAlgorithm.h"

#include <string> // Needed for protected method argument

VTK_ABI_NAMESPACE_BEGIN
class vtkDataSet;
class vtkFieldData;

class VTKFILTERSGENERAL_EXPORT vtkMergeArrays : public vtkPassInputTypeAlgorithm
{
public:
  static vtkMergeArrays* New();

  vtkTypeMacro(vtkMergeArrays, vtkPassInputTypeAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;

protected:
  vtkMergeArrays();
  ~vtkMergeArrays() override;


  virtual bool GetOutputArrayName(
    vtkFieldData* arrays, const char* inArrayName, int inputIndex, std::string& outputArrayName);


  void MergeArrays(int inputIndex, vtkFieldData* inputFD, vtkFieldData* outputFD);


  virtual int MergeDataObjectFields(vtkDataObject* input, int inputIndex, vtkDataObject* output);

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

  int RequestInformation(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;

  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;

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

VTK_ABI_NAMESPACE_END
#endif