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/*=========================================================================
Program: Visualization Toolkit
Module: vtkOpenGLLightingPainter.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.
=========================================================================*/
// .NAME vtkOpenGLLightingPainter - painter that manages lighting.
// .SECTION Description
// This painter manages lighting.
// Ligting is disabled when rendering points/lines and no normals are present
// or rendering Polygons/TStrips and representation is points and no normals
// are present.
#ifndef __vtkOpenGLLightingPainter_h
#define __vtkOpenGLLightingPainter_h
#include "vtkRenderingOpenGLModule.h" // For export macro
#include "vtkLightingPainter.h"
class vtkWindow;
class VTKRENDERINGOPENGL_EXPORT vtkOpenGLLightingPainter : public vtkLightingPainter
{
public:
static vtkOpenGLLightingPainter* New();
vtkTypeMacro(vtkOpenGLLightingPainter, vtkLightingPainter);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// This painter overrides GetTimeToDraw() to never pass the request to the
// delegate. This is done since this class may propagate a single render
// request multiple times to the delegate. In that case the time accumulation
// responsibility is borne by the painter causing the multiple rendering
// requests i.e. this painter itself.
virtual double GetTimeToDraw()
{ return this->TimeToDraw; }
protected:
vtkOpenGLLightingPainter();
~vtkOpenGLLightingPainter();
// Description:
// Setups lighting state before calling render on delegate
// painter.
virtual void RenderInternal(vtkRenderer *renderer,
vtkActor *actor,
unsigned long typeflags,
bool forceCompileOnly);
private:
vtkOpenGLLightingPainter(const vtkOpenGLLightingPainter&); // Not implemented.
void operator=(const vtkOpenGLLightingPainter&); // Not implemented.
};
#endif
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