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

  Program:   Visualization Toolkit
  Module:    vtkAssembly.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 vtkAssembly_h
#define vtkAssembly_h

#include "vtkRenderingCoreModule.h" // For export macro
#include "vtkProp3D.h"

class vtkAssemblyPaths;
class vtkProp3DCollection;
class vtkMapper;
class vtkProperty;
class vtkActor;

class VTKRENDERINGCORE_EXPORT vtkAssembly : public vtkProp3D
{
public:
  static vtkAssembly *New();

  vtkTypeMacro(vtkAssembly, vtkProp3D);
  void PrintSelf(ostream& os, vtkIndent indent);

  void AddPart(vtkProp3D *);

  void RemovePart(vtkProp3D *);


  vtkProp3DCollection *GetParts()
    { return this->Parts; }


  void GetActors(vtkPropCollection *);
  void GetVolumes(vtkPropCollection *);


  int RenderOpaqueGeometry(vtkViewport *ren);
  virtual int RenderTranslucentPolygonalGeometry(vtkViewport *ren);
  virtual int RenderVolumetricGeometry(vtkViewport *ren);

  virtual int HasTranslucentPolygonalGeometry();

  void ReleaseGraphicsResources(vtkWindow *);


  void InitPathTraversal();
  vtkAssemblyPath *GetNextPath();
  int GetNumberOfPaths();


  void GetBounds(double bounds[6])
    { this->vtkProp3D::GetBounds( bounds ); }
  double *GetBounds();

  unsigned long int GetMTime();

  void ShallowCopy(vtkProp *prop);

//BTX

  void BuildPaths(vtkAssemblyPaths *paths, vtkAssemblyPath *path);
//ETX

protected:
  vtkAssembly();
  ~vtkAssembly();

  // Keep a list of direct descendants of the assembly hierarchy
  vtkProp3DCollection *Parts;

  // Support the BuildPaths() method. Caches last paths built for
  // performance.
  vtkTimeStamp PathTime;
  virtual void UpdatePaths(); //apply transformations and properties recursively

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

#endif