2 paper-score.cc -- implement Paper_score
4 source file of the GNU LilyPond music typesetter
6 (c) 1996--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
11 #include "font-metric.hh"
13 #include "paper-def.hh"
14 #include "line-of-score.hh"
15 #include "paper-column.hh"
16 #include "paper-score.hh"
17 #include "paper-column.hh"
19 #include "gourlay-breaking.hh"
20 #include "paper-stream.hh"
21 #include "paper-outputter.hh"
22 #include "file-results.hh"
24 #include "all-font-metrics.hh"
26 Paper_score::Paper_score ()
35 Paper_score::typeset_line (Line_of_score *l)
41 main_smob_ = gh_cons (l->self_scm (), main_smob_);
45 We don't unprotect l->self_scm (), we haven't got any place else to
46 protect it from collection. */
50 Paper_score::Paper_score (Paper_score const &s)
56 Array<Column_x_positions>
57 Paper_score::calc_breaking ()
59 Break_algorithm *algorithm_p=0;
60 Array<Column_x_positions> sol;
62 algorithm_p = new Gourlay_breaking ;
63 algorithm_p->set_pscore (this);
64 sol = algorithm_p->solve ();
76 Paper_score::process ()
79 progress_indication ( _f("Element count %d ", line_l_->element_count ()));
82 progress_indication (_ ("Preprocessing elements...") + " ");
85 Be sure to set breakability on first & last column.
87 Link_array<Grob> pc (line_l_->column_l_arr ());
89 pc[0]->set_grob_property ("breakable", SCM_BOOL_T);
90 pc.top ()->set_grob_property ("breakable", SCM_BOOL_T);
92 line_l_->pre_processing ();
94 Array<Column_x_positions> breaking = calc_breaking ();
95 line_l_->break_into_pieces (breaking);
97 outputter_l_ = new Paper_outputter (paper_l_->paper_stream_p ());
99 outputter_l_->output_header ();
100 outputter_l_->output_version ();
103 outputter_l_->output_scope (header_global_p, "lilypond");
105 outputter_l_->output_scope (header_l_, "lilypond");
107 outputter_l_->output_comment (_ ("Outputting Score, defined at: "));
108 outputter_l_->output_comment (origin_str_);
110 if (paper_l_->scope_p_)
111 outputter_l_->output_scope (paper_l_->scope_p_, "lilypondpaper");
114 if (experimental_features_global_b)
116 SCM scm = gh_list (ly_symbol2scm ("experimental-on"), SCM_UNDEFINED);
117 outputter_l_->output_scheme (scm);
119 scm = gh_list (ly_symbol2scm ("header-end"), SCM_UNDEFINED);
120 outputter_l_->output_scheme (scm);
122 line_l_->output_lines ();
124 scm = gh_list (ly_symbol2scm ("end-output"), SCM_UNDEFINED);
125 outputter_l_->output_scheme (scm);
127 progress_indication ("\n");
132 if (verbose_global_b)
133 ly_display_scm (scm_gc_stats ());