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>
12 #include "tex-outputter.hh"
14 #include "paper-def.hh"
16 #include "molecule.hh"
17 #include "score-element.hh"
20 #include "dimension.hh"
22 #include "line-of-score.hh"
25 #include "molecule.hh"
30 Score_element::Score_element()
32 transparent_b_ = false;
38 Score_element::Score_element (Score_element const&s)
39 : Directed_graph_node (s), Graphical_element (s)
41 /* called from derived ctor, so most info points to the same deps
42 as (Directed_graph_node&)s. Nobody points to us, so don't copy
46 transparent_b_ = s.transparent_b_;
47 status_i_ = s.status_i_;
48 pscore_l_ = s.pscore_l_;
55 Score_element::~Score_element()
57 assert (status_i_ >=0);
61 Score_element::dependency (int i) const
63 return (Score_element*) get_out_edge_arr ()[i];
67 Score_element::dependency_size () const
69 return get_out_edge_arr ().size ();
73 Score_element::dependent (int i) const
75 return (Score_element*) get_in_edge_arr()[i];
79 Score_element::dependent_size() const
81 return get_in_edge_arr().size ();
87 Score_element::do_width() const
91 Molecule*m = brew_molecule_p();
99 Score_element::do_height() const
102 Molecule*m = brew_molecule_p();
103 r = m->extent().y ();
113 Score_element::print() const
116 DOUT << name() << "{\n";
117 DOUT << "dets: " << dependent_size() << "dependencies: " <<
120 Graphical_element::do_print ();
129 Score_element::paper() const
132 return pscore_l_->paper_l_;
137 Score_element::lookup_l () const
139 return pscore_l_->paper_l_->lookup_l (size_i_);
143 Score_element::add_processing()
153 Score_element::calculate_dependencies (int final, int busy,
154 Score_element_method_pointer funcptr)
156 if (status_i_ >= final)
159 assert (status_i_!= busy);
162 for (int i=0; i < dependency_size(); i++)
163 dependency (i)->calculate_dependencies (final, busy, funcptr);
165 Link_array<Score_element> extra (get_extra_dependencies());
166 for (int i=0; i < extra.size(); i++)
167 extra[i]->calculate_dependencies (final, busy, funcptr);
169 invalidate_cache (X_AXIS);
170 invalidate_cache (Y_AXIS);
176 Score_element::do_brew_molecule ()
180 Molecule *output= brew_molecule_p ();
181 pscore_l_->outputter_l_->output_molecule (output, absolute_offset (), name());
192 Score_element::do_break_processing()
194 handle_broken_dependencies();
198 Score_element::do_post_processing()
203 Score_element::do_breakable_col_processing()
205 handle_prebroken_dependencies();
209 Score_element::do_pre_processing()
214 Score_element::do_space_processing ()
219 Score_element::do_add_processing()
224 Score_element::do_substitute_dependency (Score_element*,Score_element*)
228 Score_element::do_substitute_dependent (Score_element*,Score_element*)
233 Score_element::do_unlink()
238 Score_element::do_junk_links()
242 IMPLEMENT_IS_TYPE_B1(Score_element, Graphical_element);
245 Score_element::brew_molecule_p() const
247 Atom a (lookup_l ()->fill (Box (Interval (0,0), Interval (0,0))));
248 return new Molecule (a);
253 Score_element::line_l() const
265 Score_element::remove_dependency (Score_element*e)
268 substitute_dependency (e, 0);
272 Score_element::add_dependency (Score_element*e)
274 Directed_graph_node::add_edge (e);
277 Score_element::substitute_dependency (Score_element* old, Score_element* new_l)
279 do_substitute_dependency (old,new_l);
280 old->do_substitute_dependent (this, 0);
284 Score_element::handle_broken_dependencies()
286 Line_of_score *line = line_l();
290 Link_array<Score_element> remove_us_arr;
291 for (int i=0; i < dependency_size(); i++)
293 Score_element * elt = dependency (i);
294 if (elt->line_l() != line)
296 if (elt->access_Spanner ())
298 Spanner * sp = elt->access_Spanner ();
299 Spanner * broken = sp->find_broken_piece (line);
300 substitute_dependency (sp, broken);
302 add_dependency (broken);
304 else if (elt->access_Item ())
306 Item * my_item = elt->access_Item ()->find_prebroken_piece (line);
308 substitute_dependency (elt, my_item);
310 add_dependency (my_item);
312 remove_us_arr.push (elt);
316 remove_us_arr.default_sort();
317 remove_us_arr.uniq();
318 for (int i=0; i <remove_us_arr.size(); i++)
319 remove_dependency (remove_us_arr[i]);
325 unlike with spanners, the number of items can increase
331 span: item1 item2 item3
333 How to let span (a derived class) know that this happened?
336 Score_element::handle_prebroken_dependencies()
338 Link_array<Score_element> old_arr, new_arr;
340 for (int i=0; i < dependency_size(); i++)
342 Score_element * elt = dependency (i);
343 Item *it_l = elt->access_Item ();
344 if (it_l && it_l->breakable_b_)
347 Score_element *new_l = it_l->find_prebroken_piece (access_Item ()->break_status_dir_);
350 new_arr.push (new_l);
356 new_arr.push (it_l->broken_to_drul_[LEFT]);
359 new_arr.push (it_l->broken_to_drul_[RIGHT]);
363 for (int i=0; i < old_arr.size(); i++)
365 substitute_dependency (old_arr[i], new_arr[i]);
370 Score_element::junk_links ()
372 Directed_graph_node::junk_links();
373 Graphical_element::junk_links ();
378 Score_element::unlink()
381 while (dependency_size())
383 do_substitute_dependency (dependency (0),0);
384 remove_edge_out_idx (0);
386 while (dependent_size())
388 dependent (0)->remove_dependency (this);
390 Graphical_element::unlink ();
394 Link_array<Score_element>
395 Score_element::get_extra_dependencies() const
397 Link_array<Score_element> empty;
402 Score_element::linked_b() const
404 return get_extra_dependencies().size() ||