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

  Program:   Visualization Toolkit
  Module:    vtkUnstructuredGridWriter.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.

=========================================================================*/
// .NAME vtkUnstructuredGridWriter - write vtk unstructured grid data file
// .SECTION Description
// vtkUnstructuredGridWriter is a source object that writes ASCII or binary
// unstructured grid data files in vtk format. See text for format details.
// .SECTION Caveats
// Binary files written on one system may not be readable on other systems.

#ifndef __vtkUnstructuredGridWriter_h
#define __vtkUnstructuredGridWriter_h

#include "vtkIOLegacyModule.h" // For export macro
#include "vtkDataWriter.h"
class vtkUnstructuredGrid;

class VTKIOLEGACY_EXPORT vtkUnstructuredGridWriter : public vtkDataWriter
{
public:
  static vtkUnstructuredGridWriter *New();
  vtkTypeMacro(vtkUnstructuredGridWriter,vtkDataWriter);
  void PrintSelf(ostream& os, vtkIndent indent);

  // Description:
  // Get the input to this writer.
  vtkUnstructuredGrid* GetInput();
  vtkUnstructuredGrid* GetInput(int port);

protected:
  vtkUnstructuredGridWriter() {}
  ~vtkUnstructuredGridWriter() {}

  void WriteData();

  int WriteCellsAndFaces(ostream *fp, vtkUnstructuredGrid *grid,
                         const char *label);

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

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

#endif
