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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.

=========================================================================*/
/**
 * @class   vtkOpenGLMoleculeMapper
 * @brief   An accelerated class for rendering molecules
 *
 * A vtkMoleculeMapper that uses imposters to do the rendering. It uses
 * vtkOpenGLSphereMapper and vtkOpenGLStickMapper to do the rendering.
*/

#ifndef vtkOpenGLMoleculeMapper_h
#define vtkOpenGLMoleculeMapper_h

#include "vtkDomainsChemistryOpenGL2Module.h" // For export macro
#include "vtkMoleculeMapper.h"
#include "vtkNew.h" // For vtkNew

class vtkOpenGLSphereMapper;
class vtkOpenGLStickMapper;

class VTKDOMAINSCHEMISTRYOPENGL2_EXPORT vtkOpenGLMoleculeMapper : public vtkMoleculeMapper
{
public:
  static vtkOpenGLMoleculeMapper* New();
  vtkTypeMacro(vtkOpenGLMoleculeMapper, vtkMoleculeMapper)

  //@{
  /**
   * Reimplemented from base class
   */
  virtual void Render(vtkRenderer *, vtkActor *);
  virtual void ReleaseGraphicsResources(vtkWindow *);
  //@}

  /**
   * provide access to the underlying mappers
   */
  vtkOpenGLSphereMapper *GetFastAtomMapper() {
      return this->FastAtomMapper.Get(); }

protected:
  vtkOpenGLMoleculeMapper();
  ~vtkOpenGLMoleculeMapper();

  virtual void UpdateAtomGlyphPolyData();
  virtual void UpdateBondGlyphPolyData();

  //@{
  /**
   * Internal mappers
   */
  vtkNew<vtkOpenGLSphereMapper> FastAtomMapper;
  vtkNew<vtkOpenGLStickMapper> FastBondMapper;
  //@}

private:
  vtkOpenGLMoleculeMapper(const vtkOpenGLMoleculeMapper&) VTK_DELETE_FUNCTION;
  void operator=(const vtkOpenGLMoleculeMapper&) VTK_DELETE_FUNCTION;
};

#endif