2 score-elem.cc -- implement Score_element
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
13 #include "paper-def.hh"
15 #include "molecule.hh"
16 #include "score-element.hh"
19 #include "line-of-score.hh"
22 #include "molecule.hh"
24 #include "paper-outputter.hh"
26 Score_element::Score_element()
29 break_helper_only_b_ = false;
30 transparent_b_ = false;
36 Score_element::Score_element (Score_element const&s)
37 : Directed_graph_node (s), Graphical_element (s)
39 /* called from derived ctor, so most info points to the same deps
40 as (Directed_graph_node&)s. Nobody points to us, so don't copy
45 break_helper_only_b_ = s.break_helper_only_b_;
46 transparent_b_ = s.transparent_b_;
47 status_i_ = s.status_i_;
48 pscore_l_ = s.pscore_l_;
55 Score_element::~Score_element()
58 assert (status_i_ >=0);
63 Score_element::dependency (int i) const
65 return (Score_element*) (get_out_edge_arr ()[i]);
69 Score_element::dependency_size () const
71 return get_out_edge_arr ().size ();
75 Score_element::dependent (int i) const
77 return (Score_element *)( get_in_edge_arr()[i]);
81 Score_element::dependent_size() const
83 return get_in_edge_arr().size ();
89 Score_element::do_width() const
93 Molecule*m = output_p_ ? output_p_ : do_brew_molecule_p();
103 Score_element::do_height() const
106 Molecule*m = output_p_ ? output_p_ : do_brew_molecule_p();
107 r = m->extent().y ();
119 Score_element::print() const
122 DOUT << classname(this) << "{\n";
123 DOUT << "dets: " << dependent_size() << "dependencies: " <<
126 Graphical_element::do_print ();
135 Score_element::paper() const
137 return pscore_l_->paper_l_;
142 Score_element::lookup_l () const
144 return pscore_l_->paper_l_->lookup_l (size_i_);
148 Score_element::add_processing()
150 assert (status_i_ >=0);
159 Score_element::calculate_dependencies (int final, int busy,
160 Score_element_method_pointer funcptr)
162 assert (status_i_ >=0);
164 if (status_i_ >= final)
167 assert (status_i_!= busy);
170 for (int i=0; i < dependency_size(); i++)
171 dependency (i)->calculate_dependencies (final, busy, funcptr);
173 Link_array<Score_element> extra (get_extra_dependencies());
174 for (int i=0; i < extra.size(); i++)
175 extra[i]->calculate_dependencies (final, busy, funcptr);
177 invalidate_cache (X_AXIS);
178 invalidate_cache (Y_AXIS);
184 Score_element::output_processing ()
191 output_p_ = do_brew_molecule_p ();
192 pscore_l_->outputter_l_->output_molecule (output_p_,
204 Score_element::do_break_processing()
206 handle_broken_dependencies();
210 Score_element::do_post_processing()
215 Score_element::do_breakable_col_processing()
217 handle_prebroken_dependencies();
221 Score_element::do_pre_processing()
226 Score_element::do_space_processing ()
231 Score_element::do_add_processing()
236 Score_element::do_substitute_element_pointer (Score_element*,Score_element*)
241 Score_element::do_unlink()
246 Score_element::do_junk_links()
253 Score_element::do_brew_molecule_p() const
255 Molecule a (lookup_l ()->fill (Box (Interval (0,0), Interval (0,0))));
256 return new Molecule (a);
261 Score_element::line_l() const
273 Score_element::remove_dependency (Score_element*e)
276 substitute_dependency (e, 0);
280 Score_element::add_dependency (Score_element*e)
282 Directed_graph_node::add_edge (e);
285 Score_element::substitute_dependency (Score_element* old, Score_element* new_l)
287 do_substitute_element_pointer (old,new_l);
288 old->do_substitute_element_pointer (this, 0);
292 Score_element::handle_broken_dependencies()
294 Line_of_score *line = line_l();
298 Link_array<Score_element> remove_us_arr;
299 for (int i=0; i < dependency_size(); i++)
301 Score_element * elt = dependency (i);
302 if (elt->line_l() != line)
304 if (Spanner *sp = dynamic_cast<Spanner *> (elt))
306 Spanner * broken = sp->find_broken_piece (line);
307 substitute_dependency (sp, broken);
309 add_dependency (broken);
311 else if (Item *original = dynamic_cast <Item *> (elt))
313 Item * my_item = original->find_prebroken_piece (line);
315 substitute_dependency (elt, my_item);
317 add_dependency (my_item);
319 remove_us_arr.push (elt);
323 remove_us_arr.default_sort();
324 remove_us_arr.uniq();
325 for (int i=0; i <remove_us_arr.size(); i++)
326 remove_dependency (remove_us_arr[i]);
332 unlike with spanners, the number of items can increase
338 span: item1 item2 item3
340 How to let span (a derived class) know that this happened?
343 Score_element::handle_prebroken_dependencies()
345 Link_array<Score_element> old_arr, new_arr;
347 for (int i=0; i < dependency_size(); i++)
349 Score_element * elt = dependency (i);
350 Item *it_l = dynamic_cast <Item *> (elt);
351 if (it_l && it_l->breakable_b_)
352 if (Item *me = dynamic_cast<Item*> (this) )
354 Score_element *new_l = it_l->find_prebroken_piece (me->break_status_dir_);
357 new_arr.push (new_l);
363 new_arr.push (it_l->broken_to_drul_[LEFT]);
366 new_arr.push (it_l->broken_to_drul_[RIGHT]);
370 for (int i=0; i < old_arr.size(); i++)
372 substitute_dependency (old_arr[i], new_arr[i]);
376 Score_element::handle_prebroken_dependents()
382 Score_element::junk_links ()
384 Directed_graph_node::junk_links();
385 Graphical_element::junk_links ();
390 Score_element::unlink()
393 while (dependency_size())
395 do_substitute_element_pointer (dependency (0),0);
396 remove_edge_out_idx (0);
398 while (dependent_size())
400 dependent (0)->remove_dependency (this);
402 Graphical_element::unlink ();
406 Link_array<Score_element>
407 Score_element::get_extra_dependencies() const
409 Link_array<Score_element> empty;
414 Score_element::linked_b() const
416 return get_extra_dependencies().size() ||