3 line-of-score.hh -- part of GNU LilyPond
5 (c) 1996--2006 Han-Wen Nienhuys
11 #include "column-x-positions.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 Drul_array<Skyline> skylines_;
25 void build_skylines ();
26 void init_elements ();
27 friend class Paper_score; // ugh.
28 Paper_score *pscore_; // ugh.
31 Paper_score *paper_score () const;
32 int get_rank () const;
33 void post_processing ();
34 SCM get_paper_system ();
35 SCM get_paper_systems ();
37 System (SCM, Object_key const *);
38 System (System const &, int);
40 int element_count () const;
41 int spanner_count () const;
43 void break_into_pieces (vector<Column_x_positions> const &);
44 DECLARE_GROB_INTERFACE();
46 vector<Item*> broken_col_range (Item const *, Item const *) const;
47 vector<Grob*> columns () const;
49 void add_column (Paper_column *);
50 void typeset_grob (Grob *);
51 void pre_processing ();
54 virtual void derived_mark () const;
55 virtual Grob *clone (int count) const;
58 void set_loose_columns (System *which, Column_x_positions const *posns);
60 #endif /* SYSTEM_HH */