1 /*
2   This file is part of LilyPond, the GNU music typesetter.
3 
4   Copyright (C) 1996--2020 Han-Wen Nienhuys <hanwen@xs4all.nl>
5 
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.
10 
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.
15 
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/>.
18 */
19 
20 #ifndef PAPER_SCORE_HH
21 #define PAPER_SCORE_HH
22 
23 #include "column-x-positions.hh"
24 #include "music-output.hh"
25 
26 /* LAYOUT output */
27 class Paper_score : public Music_output
28 {
29   Output_def *layout_;
30   System *system_;
31   SCM systems_;
32   SCM paper_systems_;
33 
34   mutable std::vector<Paper_column *> cols_;
35   mutable std::vector<vsize> break_indices_;
36   mutable std::vector<vsize> break_ranks_;
37 public:
38   Paper_score (Output_def *);
39 
40   OVERRIDE_CLASS_NAME (Paper_score);
41 
42   Output_def *layout () const;
43   System *root_system () const;
44 
45   void typeset_system (System *);
46   std::vector<Column_x_positions> calc_breaking ();
47 
48   // Ascending indices into get_columns() of breakable Paper_columns
49   std::vector<vsize> const &get_break_indices () const;
50 
51   // Ascending ranks of breakable Paper_columns
52   std::vector<vsize> const &get_break_ranks () const;
53   std::vector<Paper_column *> const &get_columns () const;
54   SCM get_paper_systems ();
55 protected:
56   void find_break_indices () const;
57   void process () override;
58   void derived_mark () const override;
59 
60 private:
61   Paper_score (Paper_score const &) = delete;
62   Paper_score &operator = (Paper_score const &) = delete;
63 };
64 
65 #endif /* PAPER_SCORE_HH */
66