2 score-elem.cc -- implement Score_element
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--1998 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"
28 Score_element::Score_element()
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
44 transparent_b_ = s.transparent_b_;
45 status_i_ = s.status_i_;
46 pscore_l_ = s.pscore_l_;
53 Score_element::~Score_element()
55 assert (status_i_ >=0);
59 Score_element::dependency (int i) const
61 return (Score_element*) get_out_edge_arr ()[i];
65 Score_element::dependency_size () const
67 return get_out_edge_arr ().size ();
71 Score_element::dependent (int i) const
73 return (Score_element*) get_in_edge_arr()[i];
77 Score_element::dependent_size() const
79 return get_in_edge_arr().size ();
85 Score_element::do_width() const
89 Molecule*m = brew_molecule_p();
97 Score_element::do_height() const
100 Molecule*m = brew_molecule_p();
101 r = m->extent().y ();
111 Score_element::print() const
114 DOUT << name() << "{\n";
115 DOUT << "dets: " << dependent_size() << "dependencies: " <<
118 Graphical_element::do_print ();
127 Score_element::paper() const
130 return pscore_l_->paper_l_;
135 Score_element::lookup_l () const
137 return pscore_l_->paper_l_->lookup_l (size_i_);
141 Score_element::add_processing()
151 Score_element::calculate_dependencies (int final, int busy,
152 Score_element_method_pointer funcptr)
154 if (status_i_ >= final)
157 assert (status_i_!= busy);
160 for (int i=0; i < dependency_size(); i++)
161 dependency (i)->calculate_dependencies (final, busy, funcptr);
163 Link_array<Score_element> extra (get_extra_dependencies());
164 for (int i=0; i < extra.size(); i++)
165 extra[i]->calculate_dependencies (final, busy, funcptr);
167 invalidate_cache (X_AXIS);
168 invalidate_cache (Y_AXIS);
174 Score_element::do_brew_molecule ()
178 Molecule *output= brew_molecule_p ();
179 for (PCursor<Atom*> i(output->atoms_); i.ok(); i++)
184 pscore_l_->outputter_l_->output_molecule (output, absolute_offset (), name());
195 Score_element::do_break_processing()
197 handle_broken_dependencies();
201 Score_element::do_post_processing()
206 Score_element::do_breakable_col_processing()
208 handle_prebroken_dependencies();
212 Score_element::do_pre_processing()
217 Score_element::do_space_processing ()
222 Score_element::do_add_processing()
227 Score_element::do_substitute_dependency (Score_element*,Score_element*)
231 Score_element::do_substitute_dependent (Score_element*,Score_element*)
236 Score_element::do_unlink()
241 Score_element::do_junk_links()
245 IMPLEMENT_IS_TYPE_B1(Score_element, Graphical_element);
248 Score_element::brew_molecule_p() const
250 Atom a (lookup_l ()->fill (Box (Interval (0,0), Interval (0,0))));
251 return new Molecule (a);
256 Score_element::line_l() const
268 Score_element::remove_dependency (Score_element*e)
271 substitute_dependency (e, 0);
275 Score_element::add_dependency (Score_element*e)
277 Directed_graph_node::add_edge (e);
280 Score_element::substitute_dependency (Score_element* old, Score_element* new_l)
282 do_substitute_dependency (old,new_l);
283 old->do_substitute_dependent (this, 0);
287 Score_element::handle_broken_dependencies()
289 Line_of_score *line = line_l();
293 Link_array<Score_element> remove_us_arr;
294 for (int i=0; i < dependency_size(); i++)
296 Score_element * elt = dependency (i);
297 if (elt->line_l() != line)
299 if (Spanner *sp = dynamic_cast<Spanner *> (elt))
301 Spanner * broken = sp->find_broken_piece (line);
302 substitute_dependency (sp, broken);
304 add_dependency (broken);
306 else if (Item *original = dynamic_cast <Item *> (elt))
308 Item * my_item = original->find_prebroken_piece (line);
310 substitute_dependency (elt, my_item);
312 add_dependency (my_item);
314 remove_us_arr.push (elt);
318 remove_us_arr.default_sort();
319 remove_us_arr.uniq();
320 for (int i=0; i <remove_us_arr.size(); i++)
321 remove_dependency (remove_us_arr[i]);
327 unlike with spanners, the number of items can increase
333 span: item1 item2 item3
335 How to let span (a derived class) know that this happened?
338 Score_element::handle_prebroken_dependencies()
340 Link_array<Score_element> old_arr, new_arr;
342 for (int i=0; i < dependency_size(); i++)
344 Score_element * elt = dependency (i);
345 Item *it_l = dynamic_cast <Item *> (elt);
346 if (it_l && it_l->breakable_b_)
347 if (Item *me = dynamic_cast<Item*> (this) )
349 Score_element *new_l = it_l->find_prebroken_piece (me->break_status_dir_);
352 new_arr.push (new_l);
358 new_arr.push (it_l->broken_to_drul_[LEFT]);
361 new_arr.push (it_l->broken_to_drul_[RIGHT]);
365 for (int i=0; i < old_arr.size(); i++)
367 substitute_dependency (old_arr[i], new_arr[i]);
372 Score_element::junk_links ()
374 Directed_graph_node::junk_links();
375 Graphical_element::junk_links ();
380 Score_element::unlink()
383 while (dependency_size())
385 do_substitute_dependency (dependency (0),0);
386 remove_edge_out_idx (0);
388 while (dependent_size())
390 dependent (0)->remove_dependency (this);
392 Graphical_element::unlink ();
396 Link_array<Score_element>
397 Score_element::get_extra_dependencies() const
399 Link_array<Score_element> empty;
404 Score_element::linked_b() const
406 return get_extra_dependencies().size() ||