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"
23 Score_engraver::set_score(Score *s)
25 Global_translator::set_score(s);
26 scoreline_l_ = s->pscore_p_->super_elem_l_->line_of_score_l_;
29 Score_engraver::Score_engraver()
38 Score_engraver::prepare(Moment w)
40 Score_column* c1 = new Score_column(w);
41 Score_column* c2 = new Score_column(w);
43 c1->musical_b_ = false;
44 c2->musical_b_ = true;
46 score_l_->cols_.bottom().add(c1);
47 score_l_->cols_.bottom().add(c2);
51 post_move_processing();
54 Score_engraver::finish()
57 do_removal_processing();
61 Score_engraver::do_creation_processing()
63 scoreline_l_->left_col_l_ = get_staff_info().command_pcol_l();
64 scoreline_l_->left_col_l_ ->set_breakable();
65 Engraver_group_engraver::do_creation_processing();
69 Score_engraver::set_cols(Score_column*c1,Score_column*c2)
71 command_column_l_ = c1;
72 musical_column_l_ = c2;
76 Score_engraver::do_removal_processing()
78 Engraver_group_engraver::do_removal_processing();
79 scoreline_l_->right_col_l_ = get_staff_info().command_pcol_l();
80 scoreline_l_->right_col_l_ ->set_breakable();
85 Score_engraver::process()
89 pre_move_processing();
94 Score_engraver::announce_element(Score_elem_info info)
96 info.origin_grav_l_arr_.push(this);
97 if (info.elem_l_->name() == Bar::static_name()) {
98 get_staff_info().command_pcol_l()->set_breakable();
101 announce_info_arr_.push(info);
104 Score_engraver::do_announces()
106 /* All elements are propagated to the top upon announcement. If
107 something was created during one run of
108 Engraver_group_engraver::do_announces, then
109 announce_info_arr_.size() will be nonzero again
112 while (announce_info_arr_.size()) {
113 for (int i=0; i <announce_info_arr_.size(); i++)
119 if (announce_info_arr_[i].req_l_) {
120 Musical_req *m = announce_info_arr_[i].req_l_->musical();
121 if (m&&m->rhythmic()) {
122 musical_column_l_->add_duration( m->duration());
125 Engraver_group_engraver::do_announces();
131 Score_engraver::typeset_element(Score_elem *elem_p)
133 musical_item_p_arr_.push(elem_p);
137 Score_engraver::typeset_breakable_item(Item * nobreak_p)
140 nobreak_item_p_arr_.push(nobreak_p);
145 Score_engraver::typeset_all()
147 PCol * c= get_staff_info().command_pcol_l();
148 PScore *ps_l = score_l_->pscore_p_;
150 for (int i =0; i < nobreak_item_p_arr_.size(); i++) {
151 ps_l->typeset_item(nobreak_item_p_arr_[i], c, 0);
152 scoreline_l_->add_dependency(nobreak_item_p_arr_[i]);
154 nobreak_item_p_arr_.set_size(0);
156 for (int i=0; i < musical_item_p_arr_.size(); i++) {
157 PCol* m = get_staff_info().musical_pcol_l();
158 Score_elem *elem_p = musical_item_p_arr_[i];
160 scoreline_l_->add(elem_p);
161 if (elem_p->spanner()) {
162 ps_l->typeset_unbroken_spanner(elem_p->spanner());
163 } else if (elem_p->item()) {
164 ps_l->typeset_item(elem_p->item(), m, 0);
168 musical_item_p_arr_.set_size(0);
173 Score_engraver::do_pre_move_processing()
175 // this generates all items.
176 Engraver_group_engraver::do_pre_move_processing();
183 Score_engraver::get_staff_info()const
187 inf.command_l_ = command_column_l_;
188 inf.musical_l_ = musical_column_l_;
193 Score_engraver::paper()const
195 return score_l_->paper_p_;
201 Score_engraver::do_try_request(Request*r)
204 for ( int i =0; !gotcha && i < nongroup_l_arr_.size() ; i++)
205 gotcha = nongroup_l_arr_[i]->try_request(r);
210 IMPLEMENT_IS_TYPE_B1(Score_engraver,Engraver_group_engraver);
211 IMPLEMENT_STATIC_NAME(Score_engraver);
212 ADD_THIS_ENGRAVER(Score_engraver);