2 score-grav.cc -- implement Score_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
9 #include "super-element.hh"
10 #include "line-of-score.hh"
13 #include "score-engraver.hh"
15 #include "musical-request.hh"
16 #include "score-column.hh"
17 #include "command-request.hh"
18 #include "paper-def.hh"
22 Score_engraver::Score_engraver()
33 Score_engraver::prepare (Moment w)
35 Global_translator::prepare (w);
36 set_columns (new Score_column (w), new Score_column (w));
39 post_move_processing();
43 Score_engraver::finish()
46 *mlog << "[" << breaks_i_ << "]" << flush;
53 Score_engraver::do_creation_processing()
55 scoreline_l_ = pscore_p_->line_l_;
56 scoreline_l_->set_bounds(LEFT,get_staff_info().command_pcol_l ());
57 command_column_l_->breakable_b_ = true;
58 Engraver_group_engraver::do_creation_processing();
62 Score_engraver::do_removal_processing()
64 Engraver_group_engraver::do_removal_processing();
65 scoreline_l_->set_bounds(RIGHT,get_staff_info().command_pcol_l ());
66 command_column_l_->breakable_b_ = true;
73 Score_engraver::process()
77 pre_move_processing();
82 Score_engraver::announce_element (Score_element_info info)
84 announce_info_arr_.push (info);
85 info.origin_grav_l_arr_.push (this);
89 Score_engraver::do_announces()
91 /* All elements are propagated to the top upon announcement. If
92 something was created during one run of
93 Engraver_group_engraver::do_announces, then
94 announce_info_arr_.size() will be nonzero again
97 while (announce_info_arr_.size())
99 for (int i=0; i < announce_info_arr_.size(); i++)
105 if (announce_info_arr_[i].req_l_)
107 Musical_req *m = announce_info_arr_[i].req_l_->access_Musical_req ();
108 if (m && m->access_Rhythmic_req ())
110 musical_column_l_->add_duration (m->duration());
113 Engraver_group_engraver::do_announces();
119 Score_engraver::typeset_element (Score_element *elem_p)
121 elem_p_arr_.push(elem_p);
125 Score_engraver::typeset_all()
127 for (int i =0; i < elem_p_arr_.size(); i++)
129 Score_element * elem_p = elem_p_arr_[i];
130 if (elem_p->access_Spanner ())
132 Spanner *s = elem_p->access_Spanner ();
133 pscore_p_->typeset_unbroken_spanner (s);
138 do something sensible if spanner not
143 if (!s->spanned_drul_[d])
145 s->set_bounds(d, command_column_l_);
146 ::warning (_f ("Unbound spanner `%s\'", s->name ()));
148 } while (flip(&d) != LEFT);
152 Item *item_p = elem_p->access_Item ();
153 pscore_p_->typeset_element (item_p);
154 if (!item_p->axis_group_l_a_[X_AXIS]) {
155 if (item_p->breakable_b_)
156 command_column_l_->add_element(item_p);
158 musical_column_l_->add_element(item_p);
161 scoreline_l_->add_element (elem_p);
167 Score_engraver::do_pre_move_processing()
169 if (break_penalty_i_ > Break_req::DISALLOW)
171 get_staff_info().command_pcol_l ()-> breakable_b_ = true;
174 *mlog << "[" << breaks_i_ << "]" << flush;
176 // this generates all items.
177 Engraver_group_engraver::do_pre_move_processing();
183 Score_engraver::set_columns (Score_column *new_command_l,
184 Score_column *new_musical_l)
186 if (command_column_l_ && command_column_l_->linked_b())
188 pscore_p_->add_column (command_column_l_);
189 scoreline_l_->add_element (command_column_l_);
193 delete command_column_l_ ;
194 command_column_l_ =0;
198 command_column_l_ = new_command_l;
199 command_column_l_->musical_b_ = false;
201 if (musical_column_l_ && musical_column_l_->linked_b())
203 pscore_p_->add_column (musical_column_l_);
204 scoreline_l_->add_element (musical_column_l_);
208 delete musical_column_l_;
209 musical_column_l_ = 0;
214 musical_column_l_ = new_musical_l;
215 musical_column_l_->musical_b_ = true;
221 Score_engraver::get_staff_info() const
223 Staff_info inf = Engraver_group_engraver::get_staff_info();
225 inf.command_l_ = command_column_l_;
226 inf.musical_l_ = musical_column_l_;
234 Score_engraver::get_output_p ()
236 Music_output * o = pscore_p_;
242 Score_engraver::do_try_request (Request*r)
244 bool gotcha = Engraver_group_engraver::do_try_request (r);
246 if (gotcha || !r->access_Command_req ())
249 Command_req * c = r->access_Command_req ();
250 if (c->access_Break_req ())
252 Break_req* b = (Break_req*)c->access_Break_req ();
253 if (b->penalty_i_ <= Break_req::DISALLOW)
254 break_penalty_i_ = b->penalty_i_;
255 else if (b->penalty_i_ >= Break_req::FORCE)
257 command_column_l_->break_penalty_i_ = b->penalty_i_;
264 IMPLEMENT_IS_TYPE_B1(Score_engraver,Engraver_group_engraver);
265 ADD_THIS_TRANSLATOR(Score_engraver);
268 Score_engraver::do_add_processing ()
270 Translator_group::do_add_processing ();
271 //assert (output_def_l_->is_type_b (Paper_def::static_name ()));
273 pscore_p_ = output_def_l_->paper_score_p ();
274 // assert (pscore_p_);
275 // urg, via parser a Paper_def gets constructed
276 // this should never happen, but can't be prevented (Paper_def can't be
277 // abstract bo virtual_copy_cons etc.
280 printf ("\nBRAAK\n");
281 output_def_l_ = global_paper_l->paper_l ()->clone ();
282 // pscore_p_ = output_def_l_->paper_score_p ();
283 pscore_p_ = global_paper_l->paper_score_p ();
284 pscore_p_->paper_l_ = global_paper_l->paper_l ();
287 pscore_p_->paper_l_ = output_def_l_->paper_l ();
288 assert (pscore_p_->paper_l_);
289 assert (!daddy_trans_l_);