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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

#include "vtkIOImportModule.h" // For export macro
#include "vtkImporter.h"

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

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

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


  vtkSetStringMacro(FileName);
  vtkGetStringMacro(FileName);


  vtkSetMacro(ShapeResolution, int);
  vtkGetMacro(ShapeResolution, int);

  vtkObject* GetVRMLDEFObject(const char *name);

protected:
  vtkVRMLImporter();
  ~vtkVRMLImporter();

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


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

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

  char *FileName;
  FILE *FileFD;
  int ShapeResolution;

  friend class vtkVRMLYaccData;

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

  void DeleteObject(vtkObject*);

  vtkVRMLImporterInternal* Internal;
  vtkVRMLYaccData* Parser;
  vtkActor* CurrentActor;
  vtkProperty* CurrentProperty;
  vtkLight* CurrentLight;
  vtkTransform* CurrentTransform;
  vtkAlgorithm* CurrentSource;
  vtkPoints* CurrentPoints;
  vtkFloatArray* CurrentNormals;
  vtkCellArray* CurrentNormalCells;
  vtkFloatArray* CurrentTCoords;
  vtkCellArray* CurrentTCoordCells;
  vtkLookupTable* CurrentLut;
  vtkFloatArray* CurrentScalars;
  vtkPolyDataMapper* CurrentMapper;

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

#endif