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 pscore_l_->outputter_l_->output_molecule (output, absolute_offset (), name());
190 Score_element::do_break_processing()
192 handle_broken_dependencies();
196 Score_element::do_post_processing()
201 Score_element::do_breakable_col_processing()
203 handle_prebroken_dependencies();
207 Score_element::do_pre_processing()
212 Score_element::do_space_processing ()
217 Score_element::do_add_processing()
222 Score_element::do_substitute_dependency (Score_element*,Score_element*)
226 Score_element::do_substitute_dependent (Score_element*,Score_element*)
231 Score_element::do_unlink()
236 Score_element::do_junk_links()
240 IMPLEMENT_IS_TYPE_B1(Score_element, Graphical_element);
243 Score_element::brew_molecule_p() const
245 Atom a (lookup_l ()->fill (Box (Interval (0,0), Interval (0,0))));
246 return new Molecule (a);
251 Score_element::line_l() const
263 Score_element::remove_dependency (Score_element*e)
266 substitute_dependency (e, 0);
270 Score_element::add_dependency (Score_element*e)
272 Directed_graph_node::add_edge (e);
275 Score_element::substitute_dependency (Score_element* old, Score_element* new_l)
277 do_substitute_dependency (old,new_l);
278 old->do_substitute_dependent (this, 0);
282 Score_element::handle_broken_dependencies()
284 Line_of_score *line = line_l();
288 Link_array<Score_element> remove_us_arr;
289 for (int i=0; i < dependency_size(); i++)
291 Score_element * elt = dependency (i);
292 if (elt->line_l() != line)
294 if (dynamic_cast <Spanner *> (elt))
296 Spanner * sp = dynamic_cast <Spanner *> (elt);
297 Spanner * broken = sp->find_broken_piece (line);
298 substitute_dependency (sp, broken);
300 add_dependency (broken);
302 else if (dynamic_cast <Item *> (elt))
304 Item * my_item = dynamic_cast <Item *> (elt)->find_prebroken_piece (line);
306 substitute_dependency (elt, my_item);
308 add_dependency (my_item);
310 remove_us_arr.push (elt);
314 remove_us_arr.default_sort();
315 remove_us_arr.uniq();
316 for (int i=0; i <remove_us_arr.size(); i++)
317 remove_dependency (remove_us_arr[i]);
323 unlike with spanners, the number of items can increase
329 span: item1 item2 item3
331 How to let span (a derived class) know that this happened?
334 Score_element::handle_prebroken_dependencies()
336 Link_array<Score_element> old_arr, new_arr;
338 for (int i=0; i < dependency_size(); i++)
340 Score_element * elt = dependency (i);
341 Item *it_l = dynamic_cast <Item *> (elt);
342 if (it_l && it_l->breakable_b_)
343 if (Item *me = dynamic_cast<Item*> (this) )
345 Score_element *new_l = it_l->find_prebroken_piece (me->break_status_dir_);
348 new_arr.push (new_l);
354 new_arr.push (it_l->broken_to_drul_[LEFT]);
357 new_arr.push (it_l->broken_to_drul_[RIGHT]);
361 for (int i=0; i < old_arr.size(); i++)
363 substitute_dependency (old_arr[i], new_arr[i]);
368 Score_element::junk_links ()
370 Directed_graph_node::junk_links();
371 Graphical_element::junk_links ();
376 Score_element::unlink()
379 while (dependency_size())
381 do_substitute_dependency (dependency (0),0);
382 remove_edge_out_idx (0);
384 while (dependent_size())
386 dependent (0)->remove_dependency (this);
388 Graphical_element::unlink ();
392 Link_array<Score_element>
393 Score_element::get_extra_dependencies() const
395 Link_array<Score_element> empty;
400 Score_element::linked_b() const
402 return get_extra_dependencies().size() ||