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/*=========================================================================
Program: Visualization Toolkit
Module: vtkOSPRayLightNode.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.
=========================================================================*/
/**
* @class vtkOSPRayLightNode
* @brief links vtkLights to OSPRay
*
* Translates vtkLight state into OSPRay rendering calls
*/
#ifndef vtkOSPRayLightNode_h
#define vtkOSPRayLightNode_h
#include "vtkLightNode.h"
#include "vtkRenderingRayTracingModule.h" // For export macro
#include "RTWrapper/RTWrapper.h" // for handle types
#include <string> // for std::string
VTK_ABI_NAMESPACE_BEGIN
class vtkInformationDoubleKey;
class vtkInformationIntegerKey;
class vtkLight;
class vtkOSPRayRendererNode;
class VTKRENDERINGRAYTRACING_EXPORT vtkOSPRayLightNode : public vtkLightNode
{
public:
static vtkOSPRayLightNode* New();
vtkTypeMacro(vtkOSPRayLightNode, vtkLightNode);
void PrintSelf(ostream& os, vtkIndent indent) override;
/**
* Make ospray calls to render me.
*/
void Render(bool prepass) override;
///@{
/**
* A global multiplier to all ospray lights.
* default is 1.0
*/
static void SetLightScale(double s);
static double GetLightScale();
///@}
// state beyond rendering core...
/**
* When present on light, the light acts as an ambient source.
* An AmbientLight is one that has no specific position in space and for
* which only the ambient color term affects the result.
*/
static vtkInformationIntegerKey* IS_AMBIENT();
///@{
/**
* Convenience method to set/get IS_AMBIENT on a vtkLight.
*/
static void SetIsAmbient(int, vtkLight*);
static int GetIsAmbient(vtkLight*);
///@}
/**
* The radius setting, when > 0.0, produces soft shadows in the
* path tracer.
*/
static vtkInformationDoubleKey* RADIUS();
///@{
/**
* Convenience method to set/get RADIUS on a vtkLight.
*/
static void SetRadius(double, vtkLight*);
static double GetRadius(vtkLight*);
///@}
protected:
vtkOSPRayLightNode();
~vtkOSPRayLightNode() override;
private:
vtkOSPRayLightNode(const vtkOSPRayLightNode&) = delete;
void operator=(const vtkOSPRayLightNode&) = delete;
static double LightScale;
void* OLight;
};
VTK_ABI_NAMESPACE_END
#endif
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