2 score-grav.cc -- implement Score_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
9 #include "dimension-cache.hh"
10 #include "super-element.hh"
11 #include "line-of-score.hh"
14 #include "score-engraver.hh"
15 #include "paper-score.hh"
16 #include "musical-request.hh"
17 #include "score-column.hh"
18 #include "command-request.hh"
19 #include "paper-def.hh"
21 Score_engraver::Score_engraver()
32 Score_engraver::prepare (Moment w)
34 Global_translator::prepare (w);
35 set_columns (new Score_column (w), new Score_column (w));
38 post_move_processing();
42 Score_engraver::finish()
45 *mlog << "[" << breaks_i_ << "]" << flush;
55 Score_engraver::do_creation_processing ()
57 scoreline_l_ = pscore_p_->line_l_;
58 scoreline_l_->set_bounds(LEFT,command_column_l_);
59 command_column_l_->set_elt_property (breakable_scm_sym, SCM_BOOL_T);
61 Engraver_group_engraver::do_creation_processing();
66 Score_engraver::do_removal_processing()
68 Engraver_group_engraver::do_removal_processing();
69 scoreline_l_->set_bounds(RIGHT,command_column_l_);
70 command_column_l_->set_elt_property (breakable_scm_sym, SCM_BOOL_T);
77 Score_engraver::process()
81 pre_move_processing();
86 Score_engraver::announce_element (Score_element_info info)
88 announce_info_arr_.push (info);
89 info.origin_trans_l_arr_.push (this);
91 if (Spanner *s = dynamic_cast <Spanner *> (info.elem_l_))
92 pscore_p_->typeset_unbroken_spanner (s);
93 else if (Item *i = dynamic_cast<Item*> (info.elem_l_))
94 pscore_p_->typeset_element (i);
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
102 /* junkme? Done by Engraver_group_engraver::do_announces ()?
106 Score_engraver::do_announces()
108 while (announce_info_arr_.size())
109 Engraver_group_engraver::do_announces();
114 Score_engraver::typeset_element (Score_element *elem_p)
116 elem_p_arr_.push (elem_p);
121 Score_engraver::typeset_all()
123 for (int i =0; i < elem_p_arr_.size(); i++)
125 Score_element * elem_p = elem_p_arr_[i];
126 elem_p->add_processing ();
130 elem_p wants to be connected to the rest of the
134 if (elem_p->get_elt_property (dangling_scm_sym) != SCM_BOOL_F)
135 scoreline_l_->add_dependency (elem_p);
138 if (Spanner *s = dynamic_cast <Spanner *> (elem_p))
141 do something sensible if spanner not
146 if (!s->spanned_drul_[d])
148 s->set_bounds(d, command_column_l_);
149 ::warning (_f ("Unbound spanner `%s\'", classname(s)));
151 } while (flip(&d) != LEFT);
155 Item *item_p = dynamic_cast <Item *> (elem_p);
157 if (!item_p->parent_l (X_AXIS))
159 bool br = (item_p->remove_elt_property (breakable_scm_sym) != SCM_BOOL_F);
161 command_column_l_->add_element(item_p);
163 musical_column_l_->add_element(item_p);
166 if (!elem_p->parent_l(Y_AXIS))
167 scoreline_l_->add_element (elem_p);
173 Score_engraver::do_pre_move_processing()
175 if (break_penalty_i_ > Break_req::DISALLOW)
177 command_column_l_->set_elt_property (breakable_scm_sym, SCM_BOOL_T);
180 *mlog << "[" << breaks_i_ << "]" << flush;
182 // this generates all items.
183 Engraver_group_engraver::do_pre_move_processing();
189 Score_engraver::set_columns (Score_column *new_command_l,
190 Score_column *new_musical_l)
192 if (command_column_l_ && command_column_l_->linked_b())
194 pscore_p_->add_column (command_column_l_);
195 scoreline_l_->add_column (command_column_l_);
199 delete command_column_l_ ;
200 command_column_l_ =0;
203 command_column_l_ = new_command_l;
205 if (musical_column_l_ && musical_column_l_->linked_b())
207 pscore_p_->add_column (musical_column_l_);
208 scoreline_l_->add_column (musical_column_l_);
212 delete musical_column_l_;
213 musical_column_l_ = 0;
218 musical_column_l_ = new_musical_l;
224 Score_engraver::get_staff_info() const
226 Staff_info inf = Engraver_group_engraver::get_staff_info();
228 inf.command_l_ = command_column_l_;
229 inf.musical_l_ = musical_column_l_;
236 Score_engraver::get_output_p ()
238 Music_output * o = pscore_p_;
244 Score_engraver::do_try_music (Music*r)
246 bool gotcha = Engraver_group_engraver::do_try_music (r);
251 UGH! THIS IS NOT SYMMETRIC. CLEAN ME UP!
253 if (Break_req* b = dynamic_cast<Break_req *> (r))
256 if (b->penalty_i_ <= Break_req::DISALLOW)
257 break_penalty_i_ = b->penalty_i_;
258 else if (b->penalty_i_ >= Break_req::FORCE)
259 command_column_l_->break_penalty_i_ = b->penalty_i_;
266 Score_engraver::forbid_breaks ()
268 break_penalty_i_ = Break_req::DISALLOW;
271 ADD_THIS_TRANSLATOR(Score_engraver);
274 Score_engraver::do_add_processing ()
276 Translator_group::do_add_processing ();
277 assert (dynamic_cast<Paper_def *> (output_def_l_));
278 assert (!daddy_trans_l_);
279 pscore_p_ = new Paper_score;
280 pscore_p_->paper_l_ = dynamic_cast<Paper_def*>(output_def_l_);