dox/IO/Import/vtkVRMLImporter.h

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

  Program:   Visualization Toolkit
  Module:    vtkVRMLImporter.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 __vtkVRMLImporter_h
#define __vtkVRMLImporter_h

// Includes for the yacc/lex parser
#include "vtkIOImportModule.h" // For export macro
#include "vtkImporter.h"

class vtkActor;
class vtkAlgorithm;
class vtkProperty;
class vtkCamera;
class vtkLight;
class vtkTransform;
class vtkLookupTable;
class vtkFloatArray;
class vtkPolyDataMapper;
class vtkPoints;
class vtkIdTypeArray;
class vtkVRMLImporterInternal;
class vtkCellArray;

class VTKIOIMPORT_EXPORT vtkVRMLImporter : public vtkImporter
{
public:
  static vtkVRMLImporter *New();

  vtkTypeMacro(vtkVRMLImporter,vtkImporter);
  void PrintSelf(ostream& os, vtkIndent indent);

  vtkObject *GetVRMLDEFObject(const char *name);


  void enterNode(const char *);
  void exitNode();
  void enterField(const char *);
  void exitField();
  void useNode(const char *);


  vtkSetStringMacro(FileName);
  vtkGetStringMacro(FileName);

  FILE *GetFileFD() {return this->FileFD;};

//BTX

  friend int yylex ( vtkVRMLImporter* );

//ETX

protected:
  vtkVRMLImporter();
  ~vtkVRMLImporter();

  virtual int ImportBegin ();
  virtual void ImportEnd ();
  virtual void ImportActors (vtkRenderer *) {};
  virtual void ImportCameras (vtkRenderer *) {};
  virtual void ImportLights (vtkRenderer *) {};
  virtual void ImportProperties (vtkRenderer *) {};

  int OpenImportFile();
  char *FileName;
  FILE *FileFD;

private:
  vtkActor             *CurrentActor;
  vtkProperty          *CurrentProperty;
  vtkCamera            *CurrentCamera;
  vtkLight             *CurrentLight;
  vtkTransform         *CurrentTransform;
  vtkAlgorithm         *CurrentSource;
  vtkPoints            *CurrentPoints;
  vtkFloatArray        *CurrentNormals;
  vtkCellArray         *CurrentNormalCells;
  vtkFloatArray        *CurrentTCoords;
  vtkCellArray         *CurrentTCoordCells;
  vtkLookupTable       *CurrentLut;
  vtkFloatArray        *CurrentScalars;
  vtkPolyDataMapper    *CurrentMapper;

  vtkPoints* PointsNew();
  vtkFloatArray* FloatArrayNew();
  vtkIdTypeArray* IdTypeArrayNew();

  void DeleteObject(vtkObject*);

  vtkVRMLImporterInternal* Internal;

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

#endif