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 Paper_score *paper_score () const;
30 int get_rank () const;
31 void post_processing ();
32 SCM get_paper_system ();
33 SCM get_paper_systems ();
35 System (SCM, Object_key const *);
36 System (System const &, int);
38 int element_count () const;
39 int spanner_count () const;
41 void break_into_pieces (vector<Column_x_positions> const &);
42 static bool has_interface (Grob *);
44 vector<Item*> broken_col_range (Item const *, Item const *) const;
45 vector<Grob*> columns () const;
47 void add_column (Paper_column *);
48 void typeset_grob (Grob *);
49 void pre_processing ();
52 virtual void derived_mark () const;
53 virtual Grob *clone (int count) const;
56 void set_loose_columns (System *which, Column_x_positions const *posns);
58 #endif /* SYSTEM_HH */