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

  Program:   Visualization Toolkit

  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 vtkOpenGLSphereMapper_h
#define vtkOpenGLSphereMapper_h

#include "vtkDomainsChemistryOpenGL2Module.h" // For export macro
#include "vtkOpenGLPolyDataMapper.h"

class VTKDOMAINSCHEMISTRYOPENGL2_EXPORT vtkOpenGLSphereMapper : public vtkOpenGLPolyDataMapper
{
public:
  static vtkOpenGLSphereMapper* New();
  vtkTypeMacro(vtkOpenGLSphereMapper, vtkOpenGLPolyDataMapper)
  void PrintSelf(ostream& os, vtkIndent indent);


  vtkSetStringMacro(ScaleArray);

  virtual void Render(vtkRenderer *ren, vtkActor *act);

protected:
  vtkOpenGLSphereMapper();
  ~vtkOpenGLSphereMapper();


  virtual void GetShaderTemplate(std::string &VertexCode,
                           std::string &fragmentCode,
                           std::string &geometryCode,
                           int lightComplexity,
                           vtkRenderer *ren, vtkActor *act);


  virtual void ReplaceShaderValues(std::string &VertexCode,
                           std::string &fragmentCode,
                           std::string &geometryCode,
                           int lightComplexity,
                           vtkRenderer *ren, vtkActor *act);

  virtual void SetCameraShaderParameters(vtkgl::CellBO &cellBO, vtkRenderer *ren, vtkActor *act);

  virtual void SetMapperShaderParameters(vtkgl::CellBO &cellBO, vtkRenderer *ren, vtkActor *act);

  const char *ScaleArray;

  virtual bool GetNeedToRebuildBufferObjects(vtkRenderer *ren, vtkActor *act);

  virtual void BuildBufferObjects(vtkRenderer *ren, vtkActor *act);

  virtual void RenderPieceDraw(vtkRenderer *ren, vtkActor *act);

  // used for transparency
  bool Invert;

private:
  vtkOpenGLSphereMapper(const vtkOpenGLSphereMapper&); // Not implemented.
  void operator=(const vtkOpenGLSphereMapper&); // Not implemented.
};

#endif