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1 /*   
2   staff-sym-referencer.hh -- declare Staff_sym_referencer
3   
4   source file of the GNU LilyPond music typesetter
5   
6   (c) 1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
7   
8  */
9
10 #ifndef STAFF_SYM_REFERENCER_HH
11 #define STAFF_SYM_REFERENCER_HH
12
13 #include "score-element.hh"
14
15 /**
16    A notation object that needs access to variables of the staff (no
17    lines, leading).
18    
19  */
20 class Staff_symbol_referencer : public virtual Score_element
21 {
22 protected:
23   Staff_symbol * staff_sym_l_;
24
25 public:
26   Staff_symbol_referencer ();
27   void set_staff_symbol (Staff_symbol*);
28   /**
29      Leading are the lead strips between the sticks (lines) of
30      typeface. ie. leading is vertical space.
31
32    */
33   Real staff_line_leading_f () const;
34   Staff_symbol * staff_symbol_l () const;
35   int lines_i () const;
36   virtual void do_substitute_element_pointer (Score_element*,Score_element*);
37
38   virtual Real position_f () const;
39 };
40
41 #endif /* STAFF_SYM_REFERENCER_HH */
42