vtkProp3DFollower.h

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

  Program:   Visualization Toolkit
  Module:    vtkProp3DFollower.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 vtkProp3DFollower_h
#define vtkProp3DFollower_h

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

class vtkCamera;
class vtkMapper;


class VTKRENDERINGCORE_EXPORT vtkProp3DFollower : public vtkProp3D
{
 public:
  static vtkProp3DFollower *New();


  vtkTypeMacro(vtkProp3DFollower,vtkProp3D);
  void PrintSelf(ostream& os, vtkIndent indent);


  virtual void SetProp3D(vtkProp3D *prop);
  virtual vtkProp3D *GetProp3D();


  virtual void SetCamera(vtkCamera*);
  vtkGetObjectMacro(Camera, vtkCamera);


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

  virtual int HasTranslucentPolygonalGeometry();

  virtual void ReleaseGraphicsResources(vtkWindow*);

  virtual void ComputeMatrix();

  void ShallowCopy(vtkProp *prop);

  virtual double *GetBounds();


  void InitPathTraversal();
  virtual vtkAssemblyPath *GetNextPath();

protected:
  vtkProp3DFollower();
  ~vtkProp3DFollower();

  vtkCamera *Camera;
  vtkProp3D  *Device;

  //Internal matrices to avoid New/Delete for performance reasons
  vtkMatrix4x4 *InternalMatrix;

private:
  vtkProp3DFollower(const vtkProp3DFollower&);  // Not implemented.
  void operator=(const vtkProp3DFollower&);  // Not implemented.
};

#endif