/*
  staff-symbol.hh -- declare Staff_symbol

  source file of the GNU LilyPond music typesetter

  (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/


#ifndef STAFF_SYMBOL_HH
#define STAFF_SYMBOL_HH

#include "lily-guile.hh"
#include "lily-proto.hh"

/**
  TODO: add linethickness as parameter.
  */
class Staff_symbol 
{
public:
  static Real staff_space (Grob*) ;
  static Real get_line_thickness (Grob*);
  static Real get_ledger_line_thickness (Grob*);
    
  static int get_steps (Grob*) ;
  static int line_count (Grob*);
  DECLARE_SCHEME_CALLBACK (print, (SCM ));
  static bool has_interface (Grob*);
  
};
#endif // STAFF_SYMBOL_HH
