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>
9 #include "super-elem.hh"
10 #include "scoreline.hh"
12 #include "score-elem.hh"
13 #include "bar.hh" // needed for Bar::static_name
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 set_columns(new Score_column(w), new Score_column(w));
46 disallow_break_b_ = false;
47 post_move_processing();
51 Score_engraver::finish()
54 *mlog << "[" << breaks_i_ << "]" << flush;
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::do_removal_processing()
71 Engraver_group_engraver::do_removal_processing();
72 scoreline_l_->right_col_l_ = get_staff_info().command_pcol_l();
73 scoreline_l_->right_col_l_ ->set_breakable();
79 Score_engraver::process()
83 pre_move_processing();
88 Score_engraver::announce_element(Score_elem_info info)
90 announce_info_arr_.push(info);
91 info.origin_grav_l_arr_.push(this);
95 Score_engraver::do_announces()
97 /* All elements are propagated to the top upon announcement. If
98 something was created during one run of
99 Engraver_group_engraver::do_announces, then
100 announce_info_arr_.size() will be nonzero again
103 while (announce_info_arr_.size()) {
104 for (int i=0; i <announce_info_arr_.size(); i++)
110 if (announce_info_arr_[i].req_l_) {
111 Musical_req *m = announce_info_arr_[i].req_l_->musical();
112 if (m && m->rhythmic()) {
113 musical_column_l_->add_duration( m->duration());
116 Engraver_group_engraver::do_announces();
122 Score_engraver::typeset_element(Score_elem *elem_p)
124 if ( elem_p->item() && elem_p->item()->breakable_b_ ) {
125 nobreak_item_p_arr_.push(elem_p->item());
127 musical_item_p_arr_.push(elem_p);
131 Score_engraver::typeset_all()
133 PCol * c= get_staff_info().command_pcol_l();
134 Paper_score *ps_l = score_l_->pscore_p_;
136 for (int i =0; i < nobreak_item_p_arr_.size(); i++) {
137 ps_l->typeset_item(nobreak_item_p_arr_[i], c);
139 // should get rid of this.. .
140 scoreline_l_->add_dependency(nobreak_item_p_arr_[i]);
142 nobreak_item_p_arr_.clear();
144 for (int i=0; i < musical_item_p_arr_.size(); i++) {
145 PCol* m = get_staff_info().musical_pcol_l();
146 Score_elem *elem_p = musical_item_p_arr_[i];
148 scoreline_l_->add(elem_p);
149 if (elem_p->spanner()) {
150 ps_l->typeset_unbroken_spanner(elem_p->spanner());
151 } else if (elem_p->item()) {
152 ps_l->typeset_item(elem_p->item(), m);
156 musical_item_p_arr_.clear();
161 Score_engraver::do_pre_move_processing()
163 if ( !disallow_break_b_ ){
164 get_staff_info().command_pcol_l()->set_breakable();
166 if ( ! (breaks_i_%8))
167 *mlog << "[" << breaks_i_ << "]" << flush;
169 // this generates all items.
170 Engraver_group_engraver::do_pre_move_processing();
176 Score_engraver::set_columns(Score_column *new_command_l,
177 Score_column *new_musical_l)
179 if ( command_column_l_ && command_column_l_->used_b() )
180 score_l_->pscore_p_->add(command_column_l_);
182 delete command_column_l_ ;
183 command_column_l_ =0;
186 command_column_l_ = new_command_l;
187 command_column_l_->musical_b_ = false;
189 if ( musical_column_l_ && musical_column_l_->used_b())
190 score_l_->pscore_p_->add (musical_column_l_);
192 delete musical_column_l_;
193 musical_column_l_ = 0;
197 musical_column_l_ = new_musical_l;
198 musical_column_l_->musical_b_ = true;
204 Score_engraver::get_staff_info()const
208 inf.command_l_ = command_column_l_;
209 inf.musical_l_ = musical_column_l_;
214 Score_engraver::paper()const
216 return score_l_->paper_p_;
222 Score_engraver::do_try_request(Request*r)
224 bool gotcha = Engraver_group_engraver::do_try_request(r);
225 if ( !gotcha && r->command() && r->command()->disallowbreak())
226 disallow_break_b_ = true;
230 IMPLEMENT_IS_TYPE_B1(Score_engraver,Engraver_group_engraver);
231 ADD_THIS_ENGRAVER(Score_engraver);