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 vector<Simple_spacer> simple_spacers_;
36 Grob_array *all_elements_;
37 void init_elements ();
38 friend class Paper_score; // ugh.
39 Paper_score *pscore_; // ugh.
42 Paper_score *paper_score () const;
43 Grob *get_vertical_alignment ();
44 Grob *get_extremal_staff (Direction dir, Interval const &);
45 Grob *get_pure_bound (Direction dir, int start, int end);
46 Grob *get_maybe_pure_bound (Direction dir, bool pure, int start, int end);
47 int get_rank () const;
48 vector<Simple_spacer> get_simple_spacers (Real line_len, Real indent, bool ragged);
49 void gen_simple_spacers (Real line_len, Real indent, bool ragged);
50 vector<Real> get_footnote_heights_in_range (vsize st, vsize end);
51 vector<Real> get_in_note_heights_in_range (vsize st, vsize end);
52 vector<Real> internal_get_note_heights_in_range (vsize st, vsize end, bool foot);
53 vector<Grob *> get_footnote_grobs_in_range (vsize st, vsize end);
54 vsize num_footnotes ();
55 void do_break_substitution_and_fixup_refpoints ();
56 void post_processing ();
57 SCM get_paper_system ();
58 SCM get_paper_systems ();
59 SCM get_broken_system_grobs ();
60 SCM get_broken_footnote_stencils ();
62 DECLARE_SCHEME_CALLBACK (footnotes_before_line_breaking, (SCM));
63 DECLARE_SCHEME_CALLBACK (footnotes_after_line_breaking, (SCM));
64 DECLARE_SCHEME_CALLBACK (calc_pure_relevant_grobs, (SCM));
65 DECLARE_SCHEME_CALLBACK (height, (SCM));
66 DECLARE_SCHEME_CALLBACK (calc_pure_height, (SCM, SCM, SCM));
67 DECLARE_SCHEME_CALLBACK (get_staves, (SCM));
68 DECLARE_SCHEME_CALLBACK (get_spaceable_staves, (SCM));
69 DECLARE_SCHEME_CALLBACK (get_nonspaceable_staves, (SCM));
72 System (System const &);
74 int element_count () const;
75 int spanner_count () const;
77 void break_into_pieces (vector<Column_x_positions> const &);
78 DECLARE_GROB_INTERFACE ();
80 vector<Item *> broken_col_range (Item const *, Item const *) const;
81 vector<Grob *> used_columns () const;
82 Paper_column *column (vsize i) const;
84 void add_column (Paper_column *);
85 void typeset_grob (Grob *);
86 void pre_processing ();
88 Interval begin_of_line_pure_height (vsize start, vsize end);
89 Interval rest_of_line_pure_height (vsize start, vsize end);
90 Interval pure_refpoint_extent (vsize start, vsize end);
91 void collect_labels (Grob const *, SCM *);
94 virtual void derived_mark () const;
95 virtual Grob *clone () const;
98 Interval part_of_line_pure_height (vsize start, vsize end, bool begin);
101 void set_loose_columns (System *which, Column_x_positions const *posns);
103 #endif /* SYSTEM_HH */