vtkLightActor.h

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

  Program:   Visualization Toolkit
  Module:    vtkLightActor.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 vtkLightActor_h
#define vtkLightActor_h

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

class vtkLight;
class vtkConeSource;
class vtkPolyDataMapper;
class vtkActor;
class vtkCamera;
class vtkCameraActor;
class vtkBoundingBox;

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


  void SetLight(vtkLight *light);
  vtkGetObjectMacro(Light, vtkLight);


  void SetClippingRange(double dNear, double dFar);
  void SetClippingRange(const double a[2]);
  vtkGetVector2Macro(ClippingRange, double);

  int RenderOpaqueGeometry(vtkViewport *viewport) override;

  vtkTypeBool HasTranslucentPolygonalGeometry() override;

  void ReleaseGraphicsResources(vtkWindow *) override;

  double *GetBounds() override;

  vtkMTimeType GetMTime() override;

protected:
  vtkLightActor();
  ~vtkLightActor() override;

  void UpdateViewProps();

  vtkLight *Light;
  double ClippingRange[2];

  vtkConeSource *ConeSource;
  vtkPolyDataMapper *ConeMapper;
  vtkActor *ConeActor;

  vtkCamera *CameraLight;
  vtkCameraActor *FrustumActor;

  vtkBoundingBox *BoundingBox;

private:
  vtkLightActor(const vtkLightActor&) = delete;
  void operator=(const vtkLightActor&) = delete;
};

#endif