vtkLightingHelper.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkLightingHelper.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 vtkLightingHelper_h
#define vtkLightingHelper_h
 
#include "vtkRenderingOpenGLModule.h" // For export macro
#include "vtkObject.h"
#include "vtkShader2.h" // for vtkShader2Type
 
class vtkShaderProgram2;
 
class VTKRENDERINGOPENGL_EXPORT vtkLightingHelper : public vtkObject
{
public:
  static vtkLightingHelper* New();
  vtkTypeMacro(vtkLightingHelper, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent);
 
  enum {
    VTK_MAX_LIGHTS=8
  };
 
 
  void Initialize(vtkShaderProgram2 *shader, vtkShader2Type mode);
  vtkGetObjectMacro(Shader, vtkShaderProgram2);
 
 
  void EncodeLightState(){ this->PrepareForRendering(); }
  void PrepareForRendering();
 
//BTX
protected:
  vtkLightingHelper();
  ~vtkLightingHelper();
 
  void SetShader(vtkShaderProgram2 *shader);
  vtkShaderProgram2 *Shader;
 
private:
  vtkLightingHelper(const vtkLightingHelper&); // Not implemented.
  void operator=(const vtkLightingHelper&); // Not implemented.
//ETX
};
 
#endif