X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fsystem.hh;h=f10b9b750fb29578e9a1bea041c1c596aca77f83;hb=9e781b7dc83b60a543ce218aa1a5f139f74c760f;hp=3e838b268cb632fae0b565d7c4a42df47fb4ad23;hpb=e33e199645b88d244f1f4fb43850c807cdc7dedc;p=lilypond.git

diff --git a/lily/include/system.hh b/lily/include/system.hh
index 3e838b268c..97fee80117 100644
--- a/lily/include/system.hh
+++ b/lily/include/system.hh
@@ -1,43 +1,103 @@
-
 /*
-  line-of-score.hh -- part of GNU LilyPond
+  This file is part of LilyPond, the GNU music typesetter.
 
-  (c) 1996--2002 Han-Wen Nienhuys
-*/
+  Copyright (C) 1996--2014 Han-Wen Nienhuys
+
+  LilyPond is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  LilyPond is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
 
-#ifndef SCORELINE_HH
-#define SCORELINE_HH
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
+*/
 
+#ifndef SYSTEM_HH
+#define SYSTEM_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_;
+  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;
+  Grob *get_extremal_staff (Direction dir, Interval const &);
+  Grob *get_neighboring_staff (Direction dir, Grob *vertical_axis_group, Interval_t<int> bounds);
+  Grob *get_pure_bound (Direction dir, int start, int end);
+  Grob *get_maybe_pure_bound (Direction dir, bool pure, int start, int end);
+  int get_rank () const;
+  vector<Real> get_footnote_heights_in_range (vsize st, vsize end);
+  vector<Real> get_in_note_heights_in_range (vsize st, vsize end);
+  vector<Real> internal_get_note_heights_in_range (vsize st, vsize end, bool foot);
+  vector<Grob *> get_footnote_grobs_in_range (vsize st, vsize end);
+  vsize num_footnotes ();
+  void do_break_substitution_and_fixup_refpoints ();
+  void post_processing ();
+  SCM get_paper_system ();
+  SCM get_paper_systems ();
+  SCM get_broken_system_grobs ();
+  SCM get_broken_footnote_stencils ();
+
+  DECLARE_SCHEME_CALLBACK (footnotes_before_line_breaking, (SCM));
+  DECLARE_SCHEME_CALLBACK (footnotes_after_line_breaking, (SCM));
+  DECLARE_SCHEME_CALLBACK (vertical_skyline_elements, (SCM));
+  DECLARE_SCHEME_CALLBACK (calc_pure_relevant_grobs, (SCM));
+  DECLARE_SCHEME_CALLBACK (height, (SCM));
+  DECLARE_SCHEME_CALLBACK (calc_pure_height, (SCM, SCM, SCM));
+  DECLARE_SCHEME_CALLBACK (get_staves, (SCM));
+  DECLARE_SCHEME_CALLBACK (get_spaceable_staves, (SCM));
+  DECLARE_SCHEME_CALLBACK (get_nonspaceable_staves, (SCM));
+  DECLARE_SCHEME_CALLBACK (get_vertical_alignment, (SCM));
 
   System (SCM);
-  /// is #c# contained in #*this#?
-  bool contains_b (Paper_column const *c) const;
+  System (System const &);
+
   int element_count () const;
+  int spanner_count () const;
+
+  void break_into_pieces (vector<Column_x_positions> const &);
+  DECLARE_GROB_INTERFACE ();
+
+  vector<Item *> broken_col_range (Item const *, Item const *) const;
+  vector<Grob *> used_columns () const;
+  Paper_column *column (vsize i) 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 add_column (Paper_column *);
+  void typeset_grob (Grob *);
   void pre_processing ();
+
+  Interval begin_of_line_pure_height (vsize start, vsize end);
+  Interval rest_of_line_pure_height (vsize start, vsize end);
+  Interval pure_refpoint_extent (vsize start, vsize end);
+  void collect_labels (Grob const *, SCM *);
+
 protected:
-  VIRTUAL_COPY_CONS (Grob);
+  virtual void derived_mark () const;
+  virtual Grob *clone () const;
+
+private:
+  Interval part_of_line_pure_height (vsize start, vsize end, bool begin);
 };
 
-#endif
+void set_loose_columns (System *which, Column_x_positions const *posns);
+
+#endif /* SYSTEM_HH */