vtkXMLUnstructuredGridWriter.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkXMLUnstructuredGridWriter_h
#define vtkXMLUnstructuredGridWriter_h
 
#include "vtkIOXMLModule.h"   // For export macro
#include "vtkWrappingHints.h" // For VTK_MARSHALAUTO
#include "vtkXMLUnstructuredDataWriter.h"
 
VTK_ABI_NAMESPACE_BEGIN
class vtkUnstructuredGridBase;
 
class VTKIOXML_EXPORT VTK_MARSHALAUTO vtkXMLUnstructuredGridWriter
  : public vtkXMLUnstructuredDataWriter
{
public:
  vtkTypeMacro(vtkXMLUnstructuredGridWriter, vtkXMLUnstructuredDataWriter);
  void PrintSelf(ostream& os, vtkIndent indent) override;
  static vtkXMLUnstructuredGridWriter* New();

  vtkUnstructuredGridBase* GetInput();

  const char* GetDefaultFileExtension() override;
 
protected:
  vtkXMLUnstructuredGridWriter();
  ~vtkXMLUnstructuredGridWriter() override;
 
  // see algorithm for more info
  int FillInputPortInformation(int port, vtkInformation* info) override;
 
  void AllocatePositionArrays() override;
  void DeletePositionArrays() override;
 
  const char* GetDataSetName() override;
 
  void WriteInlinePieceAttributes() override;
  void WriteInlinePiece(vtkIndent indent) override;
 
  void WriteAppendedPieceAttributes(int index) override;
  void WriteAppendedPiece(int index, vtkIndent indent) override;
  void WriteAppendedPieceData(int index) override;
 
  vtkIdType GetNumberOfInputCells() override;
  void CalculateSuperclassFraction(float* fractions);
 
  // Positions of attributes for each piece.
  vtkTypeInt64* NumberOfCellsPositions;
  OffsetsManagerArray* CellsOM; // one per piece
 
private:
  vtkXMLUnstructuredGridWriter(const vtkXMLUnstructuredGridWriter&) = delete;
  void operator=(const vtkXMLUnstructuredGridWriter&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif