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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkOpenGLRenderer.h,v $
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 vtkOpenGLRenderer - OpenGL renderer
// .SECTION Description
// vtkOpenGLRenderer is a concrete implementation of the abstract class
// vtkRenderer. vtkOpenGLRenderer interfaces to the OpenGL graphics library.
#ifndef __vtkOpenGLRenderer_h
#define __vtkOpenGLRenderer_h
#include "vtkRenderer.h"
class VTK_RENDERING_EXPORT vtkOpenGLRenderer : public vtkRenderer
{
protected:
int NumberOfLightsBound;
public:
static vtkOpenGLRenderer *New();
vtkTypeRevisionMacro(vtkOpenGLRenderer,vtkRenderer);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Concrete open gl render method.
void DeviceRender(void);
// Description:
// Internal method temporarily removes lights before reloading them
// into graphics pipeline.
void ClearLights(void);
void Clear(void);
// Description:
// Ask lights to load themselves into graphics pipeline.
int UpdateLights(void);
protected:
vtkOpenGLRenderer();
~vtkOpenGLRenderer();
//BTX
// Picking functions to be implemented by sub-classes
virtual void DevicePickRender();
virtual void StartPick(unsigned int pickFromSize);
virtual void UpdatePickId();
virtual void DonePick();
virtual unsigned int GetPickedId();
virtual double GetPickedZ();
// Ivars used in picking
class vtkGLPickInfo* PickInfo;
//ETX
double PickedZ;
private:
vtkOpenGLRenderer(const vtkOpenGLRenderer&); // Not implemented.
void operator=(const vtkOpenGLRenderer&); // Not implemented.
};
#endif
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