2 paper-score.cc -- implement Paper_score
4 source file of the GNU LilyPond music typesetter
6 (c) 1996--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
9 #include "paper-score.hh"
11 #include "all-font-metrics.hh"
12 #include "gourlay-breaking.hh"
15 #include "output-def.hh"
16 #include "paper-book.hh"
17 #include "paper-column.hh"
18 #include "scm-hash.hh"
24 Paper_score::Paper_score (Output_def *layout)
30 paper_systems_ = SCM_EOL;
33 Paper_score::Paper_score (Paper_score const &s)
40 Paper_score::derived_mark () const
43 scm_gc_mark (layout_->self_scm ());
45 scm_gc_mark (pscore_->self_scm ());
46 scm_gc_mark (systems_);
47 scm_gc_mark (paper_systems_);
51 Paper_score::typeset_system (System *system)
56 systems_ = scm_cons (system->self_scm (), systems_);
57 system->pscore_ = this;
58 system->layout_ = pscore_->layout_;
62 Array<Column_x_positions>
63 Paper_score::calc_breaking ()
65 Break_algorithm *algorithm = 0;
66 Array<Column_x_positions> sol;
68 algorithm = new Gourlay_breaking;
69 algorithm->set_pscore (this);
70 sol = algorithm->solve ();
77 Paper_score::process ()
79 if (be_verbose_global)
80 message (_f ("Element count %d (spanners %d) ",
81 system_->element_count (),
82 system_->spanner_count ()));
84 message (_ ("Preprocessing graphical objects...") + " ");
86 /* FIXME: Check out why we need this - removing gives assertion failures
89 doubly, also done in Score_engraver */
90 Link_array<Grob> pc (system_->columns ());
91 pc[0]->set_property ("breakable", SCM_BOOL_T);
92 pc.top ()->set_property ("breakable", SCM_BOOL_T);
94 system_->pre_processing ();
96 Array<Column_x_positions> breaking = calc_breaking ();
97 system_->break_into_pieces (breaking);
99 paper_systems_ = system_->get_paper_systems ();
103 Paper_score::root_system () const
109 Paper_score::layout () const
115 Paper_score::get_paper_systems () const
117 return paper_systems_;