vtkXMLPolyDataWriter.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkXMLPolyDataWriter.h,v $

  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 __vtkXMLPolyDataWriter_h
#define __vtkXMLPolyDataWriter_h

#include "vtkXMLUnstructuredDataWriter.h"

class vtkPolyData;

class VTK_IO_EXPORT vtkXMLPolyDataWriter : public vtkXMLUnstructuredDataWriter
{
public:
  vtkTypeRevisionMacro(vtkXMLPolyDataWriter,vtkXMLUnstructuredDataWriter);
  void PrintSelf(ostream& os, vtkIndent indent);
  static vtkXMLPolyDataWriter* New();

  //BTX

  vtkPolyData* GetInput();
  //ETX
  
  const char* GetDefaultFileExtension();
  
protected:
  vtkXMLPolyDataWriter();
  ~vtkXMLPolyDataWriter();  

  // see algorithm for more info
  virtual int FillInputPortInformation(int port, vtkInformation* info);

  const char* GetDataSetName();

  virtual void AllocatePositionArrays();
  virtual void DeletePositionArrays();
   
  void WriteInlinePieceAttributes();
  void WriteInlinePiece(vtkIndent indent);
  
  void WriteAppendedPieceAttributes(int index);
  void WriteAppendedPiece(int index, vtkIndent indent);
  void WriteAppendedPieceData(int index);

  virtual vtkIdType GetNumberOfInputCells();
  void CalculateSuperclassFraction(float* fractions);

  // Positions of attributes for each piece.
  unsigned long* NumberOfVertsPositions;
  unsigned long* NumberOfLinesPositions;
  unsigned long* NumberOfStripsPositions;
  unsigned long* NumberOfPolysPositions;

  OffsetsManagerArray *VertsOM;
  OffsetsManagerArray *LinesOM;
  OffsetsManagerArray *StripsOM;
  OffsetsManagerArray *PolysOM;

private:
  vtkXMLPolyDataWriter(const vtkXMLPolyDataWriter&);  // Not implemented.
  void operator=(const vtkXMLPolyDataWriter&);  // Not implemented.
};

#endif

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