vtkCameraActor.h

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

  Program:   Visualization Toolkit
  Module:    vtkCameraActor.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 vtkCameraActor_h
#define vtkCameraActor_h

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

class vtkCamera;
class vtkFrustumSource;
class vtkPolyDataMapper;
class vtkActor;
class vtkProperty;

class VTKRENDERINGCORE_EXPORT vtkCameraActor : public vtkProp3D
{
public:
  static vtkCameraActor *New();
  vtkTypeMacro(vtkCameraActor, vtkProp3D);
  void PrintSelf(ostream& os, vtkIndent indent);


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


  vtkSetMacro(WidthByHeightRatio, double);
  vtkGetMacro(WidthByHeightRatio, double);

  virtual int RenderOpaqueGeometry(vtkViewport *viewport);

  virtual int HasTranslucentPolygonalGeometry();

  void ReleaseGraphicsResources(vtkWindow *);

  double *GetBounds();

  vtkMTimeType GetMTime();

  vtkProperty *GetProperty();

  void SetProperty(vtkProperty *p);

protected:
  vtkCameraActor();
  ~vtkCameraActor();

  void UpdateViewProps();

  vtkCamera *Camera;
  double WidthByHeightRatio;

  vtkFrustumSource *FrustumSource;
  vtkPolyDataMapper *FrustumMapper;
  vtkActor *FrustumActor;

private:
  vtkCameraActor(const vtkCameraActor&) VTK_DELETE_FUNCTION;
  void operator=(const vtkCameraActor&) VTK_DELETE_FUNCTION;
};

#endif