dox/Hybrid/vtkX3DExporterWriter.h

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

  Program:   Visualization Toolkit
  Module:    vtkX3DExporterWriter.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 __vtkX3DExporterWriter_h
#define __vtkX3DExporterWriter_h

#include <vtkObject.h>

// Forward declarations
class vtkDataArray;
class vtkUnsignedCharArray;
class vtkCellArray;

class VTK_HYBRID_EXPORT vtkX3DExporterWriter : public vtkObject
{
public:
  vtkTypeMacro(vtkX3DExporterWriter, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent);

  virtual int OpenFile(const char* file) = 0;

  virtual int OpenStream() = 0;


  vtkSetMacro(WriteToOutputString,int);
  vtkGetMacro(WriteToOutputString,int);
  vtkBooleanMacro(WriteToOutputString,int);


  vtkGetMacro(OutputStringLength, int);
  vtkGetStringMacro(OutputString);
  unsigned char *GetBinaryOutputString()
    {
      return reinterpret_cast<unsigned char *>(this->OutputString);
    }

  char *RegisterAndGetOutputString();

  // Closes the file if open
  virtual void CloseFile() = 0;
  // Flush can be called optionally after some operations to
  // flush the buffer to the filestream. A writer not necessarily 
  // implements this function
  virtual void Flush() {};

  virtual void StartDocument() = 0;
  
  virtual void EndDocument() = 0;


  virtual void StartNode(int nodeID) = 0;
  virtual void EndNode() = 0;
  
  virtual void SetField(int attributeID, const char* value, bool mfstring = false) = 0;
  
  virtual void SetField(int attributeID, int) = 0;
  
  virtual void SetField(int attributeID, float) = 0;
  
  virtual void SetField(int attributeID, double) = 0;

  virtual void SetField(int attributeID, bool) = 0;

  virtual void SetField(int attributeID, int type, const double* a) = 0;
  
  virtual void SetField(int attributeID, int type, vtkDataArray* a) = 0;

  virtual void SetField(int attributeID, const double* values, size_t size) = 0;

  virtual void SetField(int attributeID, const int* values, size_t size, bool image = false) = 0;


protected:
  vtkX3DExporterWriter();
  ~vtkX3DExporterWriter();

  char *OutputString;
  int OutputStringLength;
  int WriteToOutputString;

private:
  vtkX3DExporterWriter(const vtkX3DExporterWriter&); // Not implemented.
  void operator=(const vtkX3DExporterWriter&); // Not implemented.
};
#endif