vtkXMLUnstructuredGridWriter.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkXMLUnstructuredGridWriter.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#ifndef vtkXMLUnstructuredGridWriter_h
#define vtkXMLUnstructuredGridWriter_h

#include "vtkIOXMLModule.h" // For export macro
#include "vtkXMLUnstructuredDataWriter.h"


class vtkUnstructuredGridBase;

class VTKIOXML_EXPORT 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;
};

#endif