/* ------------------------------------------------------------------
 * GEM - Graphics Environment for Multimedia
 *
 *  Copyright (c) 2002-2011 IOhannes m zmölnig. forum::für::umläute. IEM. zmoelnig@iem.at
 *     zmoelnig@iem.kug.ac.at
 *  For information on usage and redistribution, and for a DISCLAIMER
 *  OF ALL WARRANTIES, see the file, "GEM.LICENSE.TERMS"
 *
 *  this file has been generated...
 * ------------------------------------------------------------------
 */

#ifndef _INCLUDE__GEM_OPENGL_GEMGLFOGFV_H_
#define _INCLUDE__GEM_OPENGL_GEMGLFOGFV_H_

#include "Base/GemGLBase.h"

/*
 CLASS
        GEMglFogfv
 KEYWORDS
        openGL  0
 DESCRIPTION
        wrapper for the openGL-function
        "glFogfv( GLenum pname, GLfloat *params)"
 */

#define FOG_ARRAY_LENGTH 4


class GEM_EXTERN GEMglFogfv : public GemGLBase
{
  CPPEXTERN_HEADER(GEMglFogfv, GemGLBase);

public:
  // Constructor
  GEMglFogfv (int, t_atom*);    // CON
protected:
  // Destructor
  virtual ~GEMglFogfv ();
  // check extensions
  virtual bool isRunnable(void);

  // Do the rendering
  virtual void  render (GemState *state);

  // variable
  GLenum pname;
  virtual void    pnameMess(t_float);     // FUN

  GLfloat         params[FOG_ARRAY_LENGTH];               // VAR
  virtual void    paramsMess(int, t_atom*);       // FUN

private:

  // we need one inlet
  t_inlet *m_inlet[2];

  // static member functions
  static void    pnameMessCallback (void*, t_float);
  static void    paramsMessCallback (void*, t_symbol*, int, t_atom*);

};
#endif // for header file
