/*
line-of-score.hh -- part of GNU LilyPond
- (c) 1996--2002 Han-Wen Nienhuys
+ (c) 1996--2006 Han-Wen Nienhuys
*/
-#ifndef SCORELINE_HH
-#define SCORELINE_HH
+#ifndef SYSTEM_HH
+#define SYSTEM_HH
-#include "protected-scm.hh"
#include "column-x-positions.hh"
#include "spanner.hh"
+#include "skyline.hh"
+/*
+ If you keep following offset reference points, you will always end
+ up at the root object. This root object is called @ref{System}, and it
+ represents a system (i.e. a line of music).
+*/
class System : public Spanner
{
+ int rank_;
+ Grob_array *all_elements_;
+ Drul_array<Skyline> skylines_;
+ void build_skylines ();
+ void init_elements ();
+ friend class Paper_score; // ugh.
+ Paper_score *pscore_; // ugh.
+
public:
- int rank_i_;
- void post_processing (bool);
+ Paper_score *paper_score () const;
+ int get_rank () const;
+ void post_processing ();
+ SCM get_paper_system ();
+ SCM get_paper_systems ();
+
+ System (SCM, Object_key const *);
+ System (System const &, int);
- System (SCM);
- /// is #c# contained in #*this#?
- bool contains_b (Paper_column const *c) const;
int element_count () const;
+ int spanner_count () const;
- void break_into_pieces (Array<Column_x_positions> const&);
- void output_lines ();
- static bool has_interface (Grob*);
-
- Link_array<Item> broken_col_range (Item const*, Item const*) const;
- Link_array<Grob> column_l_arr () const;
-
- void add_column (Paper_column*);
- void typeset_grob (Grob*);
- void output_molecule (SCM, Offset);
- void output_scheme (SCM);
+ void break_into_pieces (vector<Column_x_positions> const &);
+ DECLARE_GROB_INTERFACE();
+
+ vector<Item*> broken_col_range (Item const *, Item const *) const;
+ vector<Grob*> columns () const;
+
+ void add_column (Paper_column *);
+ void typeset_grob (Grob *);
void pre_processing ();
+
protected:
- VIRTUAL_COPY_CONS (Grob);
+ virtual void derived_mark () const;
+ virtual Grob *clone (int count) const;
};
-#endif
+void set_loose_columns (System *which, Column_x_positions const *posns);
+
+#endif /* SYSTEM_HH */