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"
27 Score_element::dim_cache_callback (Dimension_cache*c)
29 Score_element * e =dynamic_cast<Score_element*>( c->element_l());
30 if(&e->dim_cache_[X_AXIS] == c)
31 return e->do_width ();
33 return e->do_height ();
36 Score_element::Score_element()
39 dim_cache_[X_AXIS].set_callback (dim_cache_callback);
40 dim_cache_[Y_AXIS].set_callback (dim_cache_callback);
46 element_property_alist_ = SCM_EOL;
49 Score_element::Score_element (Score_element const&s)
50 : Graphical_element (s)
53 original_l_ =(Score_element*) &s;
54 element_property_alist_ = scm_list_copy (s.element_property_alist_);
55 dependency_arr_ = s.dependency_arr_;
57 status_i_ = s.status_i_;
58 lookup_l_ = s.lookup_l_;
59 pscore_l_ = s.pscore_l_;
62 Score_element::~Score_element()
65 assert (status_i_ >=0);
70 Score_element::dependency (int i) const
72 return dependency_arr_ [i];
76 Score_element::dependency_size () const
78 return dependency_arr_.size ();
82 Score_element::get_elt_property (SCM sym) const
84 SCM s = scm_assq(sym, element_property_alist_);
86 // is this a good idea?
87 if (s == SCM_BOOL_F && pscore_l_ && pscore_l_->paper_l_)
88 s = pscore_l_->paper_l_->get_scm_var (sym);
94 Score_element::remove_elt_property (SCM key)
96 SCM s = get_elt_property (key);
97 element_property_alist_ = scm_assq_remove_x (element_property_alist_, key);
102 Score_element::set_elt_property (SCM s, SCM v)
104 element_property_alist_ =
105 scm_assoc_set_x (element_property_alist_, s, v);
109 Score_element::do_width() const
113 Molecule*m = output_p_ ? output_p_ : do_brew_molecule_p();
114 r = m->extent().x ();
123 Score_element::do_height() const
126 Molecule*m = output_p_ ? output_p_ : do_brew_molecule_p();
127 r = m->extent().y ();
135 Score_element::print() const
138 DOUT << classname(this) << "{\n";
139 DOUT << "dependencies: " << dependency_size();
142 Graphical_element::do_print ();
150 Score_element::paper_l () const
152 return pscore_l_->paper_l_;
156 Score_element::lookup_l () const
160 Score_element * me = (Score_element*)this;
161 SCM sz = me->remove_elt_property (fontsize_scm_sym);
162 int i = (sz != SCM_BOOL_F)
163 ? gh_scm2int (SCM_CDR (sz))
166 me->lookup_l_ = pscore_l_->paper_l_->lookup_l (i);
172 Score_element::add_processing()
174 assert (status_i_ >=0);
182 Score_element::calculate_dependencies (int final, int busy,
183 Score_element_method_pointer funcptr)
185 assert (status_i_ >=0);
187 if (status_i_ >= final)
190 assert (status_i_!= busy);
193 for (int i=0; i < dependency_arr_.size(); i++)
194 dependency_arr_[i]->calculate_dependencies (final, busy, funcptr);
196 Link_array<Score_element> extra (get_extra_dependencies());
197 for (int i=0; i < extra.size(); i++)
198 extra[i]->calculate_dependencies (final, busy, funcptr);
200 invalidate_cache (X_AXIS);
201 invalidate_cache (Y_AXIS);
207 Score_element::output_processing ()
209 if (get_elt_property (transparent_scm_sym) != SCM_BOOL_F)
212 // we're being silly here.
216 output_p_ = do_brew_molecule_p ();
217 pscore_l_->outputter_l_->output_molecule (output_p_,
221 pscore_l_->schedule_for_delete (this);
230 Score_element::do_break_processing()
232 handle_broken_dependencies();
236 Score_element::do_post_processing()
241 Score_element::do_breakable_col_processing()
243 handle_prebroken_dependencies();
247 Score_element::do_pre_processing()
252 Score_element::do_space_processing ()
257 Score_element::do_add_processing()
262 Score_element::do_substitute_element_pointer (Score_element*,Score_element*)
268 Score_element::do_brew_molecule_p() const
270 Molecule a (lookup_l ()->fill (Box (Interval (0,0), Interval (0,0))));
271 return new Molecule (a);
276 Score_element::line_l() const
288 Score_element::remove_dependency (Score_element*e)
291 while ((i = dependency_arr_.find_i (e)) >=0 )
292 dependency_arr_.unordered_del (i);
294 substitute_dependency (e, 0);
298 Score_element::add_dependency (Score_element*e)
302 dependency_arr_.push (e);
306 warning("Null dependency added");
310 Score_element::substitute_dependency (Score_element* old, Score_element* new_l)
312 do_substitute_element_pointer (old,new_l);
313 old->do_substitute_element_pointer (this, 0);
317 Score_element::handle_broken_dependencies()
319 Line_of_score *line = line_l();
323 Link_array<Score_element> remove_us_arr;
324 for (int i=0; i < dependency_size(); i++)
326 Score_element * elt = dependency (i);
327 if (elt->line_l() != line)
329 if (Spanner *sp = dynamic_cast<Spanner *> (elt))
331 Spanner * broken = sp->find_broken_piece (line);
332 substitute_dependency (sp, broken);
335 add_dependency (broken);
337 else if (Item *original = dynamic_cast <Item *> (elt))
339 Item * my_item = original->find_prebroken_piece (line);
341 substitute_dependency (elt, my_item);
343 add_dependency (my_item);
345 remove_us_arr.push (elt);
349 remove_us_arr.default_sort();
350 remove_us_arr.uniq();
351 for (int i=0; i <remove_us_arr.size(); i++)
352 remove_dependency (remove_us_arr[i]);
358 unlike with spanners, the number of items can increase
364 span: item1 item2 item3
366 How to let span (a derived class) know that this happened?
369 Score_element::handle_prebroken_dependencies()
371 /* dynamic_cast<Item*> (this) &&
372 if (!break_status_dir ())
375 Link_array<Score_element> old_arr, new_arr;
377 for (int i=0; i < dependency_size(); i++)
379 Score_element * elt = dependency (i);
380 Item *it_l = dynamic_cast <Item *> (elt);
381 if (it_l && it_l->broken_original_b ())
382 if (Item *me = dynamic_cast<Item*> (this) )
384 Score_element *new_l = it_l->find_prebroken_piece (me->break_status_dir ());
387 new_arr.push (new_l);
396 new_arr.push (it_l->find_prebroken_piece (d));
397 } while (flip(&d)!= LEFT);
401 for (int i=0; i < old_arr.size(); i++)
403 substitute_dependency (old_arr[i], new_arr[i]);
407 Score_element::handle_prebroken_dependents()
413 Link_array<Score_element>
414 Score_element::get_extra_dependencies() const
416 Link_array<Score_element> empty;
421 Score_element::linked_b() const
427 Score_element::do_print () const