2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 1996--2011 Han-Wen Nienhuys
6 LilyPond is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 LilyPond is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
23 #include "column-x-positions.hh"
28 If you keep following offset reference points, you will always end
29 up at the root object. This root object is called @ref{System}, and it
30 represents a system (i.e. a line of music).
32 class System : public Spanner
35 Grob_array *all_elements_;
36 void init_elements ();
37 friend class Paper_score; // ugh.
38 Paper_score *pscore_; // ugh.
39 bool checked_footnotes_;
40 vector<Grob *> footnote_grobs_; // TODO: make this a grob array
43 Paper_score *paper_score () const;
44 Grob *get_vertical_alignment ();
45 Grob *get_extremal_staff (Direction dir, Interval const&);
46 Grob *get_pure_bound (Direction dir, int start, int end);
47 Grob *get_maybe_pure_bound (Direction dir, bool pure, int start, int end);
48 int get_rank () const;
49 vector<Stencil *> get_footnotes_in_range (vsize st, vsize end);
50 void get_footnote_grobs_in_range (vector<Grob *> &out, vsize st, vsize end);
51 Stencil make_footnote_stencil (Real padding);
52 void do_break_substitution_and_fixup_refpoints ();
53 void post_processing ();
54 void populate_footnote_grob_vector ();
55 SCM get_paper_system ();
56 SCM get_paper_systems ();
57 SCM get_broken_system_grobs ();
58 SCM get_broken_footnote_stencils ();
60 DECLARE_SCHEME_CALLBACK (calc_pure_relevant_grobs, (SCM));
61 DECLARE_SCHEME_CALLBACK (height, (SCM));
62 DECLARE_SCHEME_CALLBACK (calc_pure_height, (SCM, SCM, SCM));
65 System (System const &);
67 int element_count () const;
68 int spanner_count () const;
70 void break_into_pieces (vector<Column_x_positions> const &);
71 DECLARE_GROB_INTERFACE();
73 vector<Item*> broken_col_range (Item const *, Item const *) const;
74 vector<Grob*> used_columns () const;
75 Paper_column *column (vsize i) const;
77 void add_column (Paper_column *);
78 void typeset_grob (Grob *);
79 void pre_processing ();
81 Interval begin_of_line_pure_height (vsize start, vsize end);
82 Interval rest_of_line_pure_height (vsize start, vsize end);
83 Interval pure_refpoint_extent (vsize start, vsize end);
84 void collect_labels (Grob const *, SCM *);
87 virtual void derived_mark () const;
88 virtual Grob *clone () const;
91 Interval part_of_line_pure_height (vsize start, vsize end, bool begin);
94 void set_loose_columns (System *which, Column_x_positions const *posns);
96 #endif /* SYSTEM_HH */