3 line-of-score.hh -- part of GNU LilyPond
5 (c) 1996--2006 Han-Wen Nienhuys
11 #include "column-x-positions.hh"
13 #include "grob-array.hh"
16 If you keep following offset reference points, you will always end
17 up at the root object. This root object is called @ref{System}, and it
18 represents a system (i.e. a line of music).
20 class System : public Spanner
23 Grob_array *all_elements_;
24 void init_elements ();
25 friend class Paper_score; // ugh.
26 Paper_score *pscore_; // ugh.
29 int get_rank () const;
30 void post_processing ();
31 SCM get_paper_system ();
32 SCM get_paper_systems ();
34 System (SCM, Object_key const *);
35 System (System const &, int);
37 int element_count () const;
38 int spanner_count () const;
40 void break_into_pieces (Array<Column_x_positions> const &);
41 static bool has_interface (Grob *);
43 Link_array<Item> broken_col_range (Item const *, Item const *) const;
44 Link_array<Grob> columns () const;
46 void add_column (Paper_column *);
47 void typeset_grob (Grob *);
48 void pre_processing ();
51 virtual void derived_mark () const;
52 virtual Grob *clone (int count) const;
55 void set_loose_columns (System *which, Column_x_positions const *posns);
57 #endif /* SYSTEM_HH */