2 score-grav.cc -- implement Score_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
8 #include "super-elem.hh"
9 #include "scoreline.hh"
11 #include "score-elem.hh"
12 #include "bar.hh" // needed for Bar::static_name
13 #include "staffline.hh"
14 #include "score-grav.hh"
18 #include "musical-request.hh"
19 #include "score-column.hh"
20 #include "command-request.hh"
24 Score_engraver::set_score(Score *s)
26 Global_translator::set_score(s);
27 scoreline_l_ = s->pscore_p_->super_elem_l_->line_of_score_l_;
30 Score_engraver::Score_engraver()
32 disallow_break_b_ = false;
41 Score_engraver::prepare(Moment w)
43 command_column_l_ = new Score_column(w);
44 musical_column_l_ = new Score_column(w);
46 command_column_l_->musical_b_ = false;
47 musical_column_l_->musical_b_ = true;
49 score_l_->pscore_p_->add(command_column_l_);
50 score_l_->pscore_p_->add(musical_column_l_);
51 disallow_break_b_ = false;
52 post_move_processing();
56 Score_engraver::finish()
59 *mlog << "[" << breaks_i_ << "]" << flush;
62 do_removal_processing();
66 Score_engraver::do_creation_processing()
68 scoreline_l_->left_col_l_ = get_staff_info().command_pcol_l();
69 scoreline_l_->left_col_l_ ->set_breakable();
70 Engraver_group_engraver::do_creation_processing();
74 Score_engraver::do_removal_processing()
76 Engraver_group_engraver::do_removal_processing();
77 scoreline_l_->right_col_l_ = get_staff_info().command_pcol_l();
78 scoreline_l_->right_col_l_ ->set_breakable();
83 Score_engraver::process()
87 pre_move_processing();
92 Score_engraver::announce_element(Score_elem_info info)
94 announce_info_arr_.push(info);
95 info.origin_grav_l_arr_.push(this);
99 Score_engraver::do_announces()
101 /* All elements are propagated to the top upon announcement. If
102 something was created during one run of
103 Engraver_group_engraver::do_announces, then
104 announce_info_arr_.size() will be nonzero again
107 while (announce_info_arr_.size()) {
108 for (int i=0; i <announce_info_arr_.size(); i++)
114 if (announce_info_arr_[i].req_l_) {
115 Musical_req *m = announce_info_arr_[i].req_l_->musical();
116 if (m && m->rhythmic()) {
117 musical_column_l_->add_duration( m->duration());
120 Engraver_group_engraver::do_announces();
126 Score_engraver::typeset_element(Score_elem *elem_p)
128 musical_item_p_arr_.push(elem_p);
132 Score_engraver::typeset_breakable_item(Item * nobreak_p)
135 nobreak_item_p_arr_.push(nobreak_p);
140 Score_engraver::typeset_all()
142 PCol * c= get_staff_info().command_pcol_l();
143 PScore *ps_l = score_l_->pscore_p_;
145 for (int i =0; i < nobreak_item_p_arr_.size(); i++) {
146 ps_l->typeset_item(nobreak_item_p_arr_[i], c, 0);
147 scoreline_l_->add_dependency(nobreak_item_p_arr_[i]);
149 nobreak_item_p_arr_.set_size(0);
151 for (int i=0; i < musical_item_p_arr_.size(); i++) {
152 PCol* m = get_staff_info().musical_pcol_l();
153 Score_elem *elem_p = musical_item_p_arr_[i];
155 scoreline_l_->add(elem_p);
156 if (elem_p->spanner()) {
157 ps_l->typeset_unbroken_spanner(elem_p->spanner());
158 } else if (elem_p->item()) {
159 ps_l->typeset_item(elem_p->item(), m, 0);
163 musical_item_p_arr_.set_size(0);
168 Score_engraver::do_pre_move_processing()
170 if ( !disallow_break_b_ ){
171 get_staff_info().command_pcol_l()->set_breakable();
173 if ( ! (breaks_i_%8))
174 *mlog << "[" << breaks_i_ << "]" << flush;
176 // this generates all items.
177 Engraver_group_engraver::do_pre_move_processing();
184 Score_engraver::get_staff_info()const
188 inf.command_l_ = command_column_l_;
189 inf.musical_l_ = musical_column_l_;
194 Score_engraver::paper()const
196 return score_l_->paper_p_;
202 Score_engraver::do_try_request(Request*r)
204 bool gotcha = Engraver_group_engraver::do_try_request(r);
205 if ( !gotcha && r->command() && r->command()->disallowbreak())
206 disallow_break_b_ = true;
210 IMPLEMENT_IS_TYPE_B1(Score_engraver,Engraver_group_engraver);
212 ADD_THIS_ENGRAVER(Score_engraver);