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 ();
84 Score_element::get_elt_property (SCM sym) const
86 SCM s = scm_assq(sym, element_property_alist_);
87 // is this a good idea?
88 if (s == SCM_BOOL_F && pscore_l_)
89 s = pscore_l_->paper_l_->get_scm_var (sym);
95 Score_element::remove_elt_property (SCM key)
97 SCM s = get_elt_property (key);
98 element_property_alist_ = scm_assq_remove_x (element_property_alist_, key);
103 Score_element::set_elt_property (SCM s, SCM v)
105 element_property_alist_ =
106 scm_assoc_set_x (element_property_alist_, s, v);
110 Score_element::do_width() const
114 Molecule*m = output_p_ ? output_p_ : do_brew_molecule_p();
115 r = m->extent().x ();
124 Score_element::do_height() const
127 Molecule*m = output_p_ ? output_p_ : do_brew_molecule_p();
128 r = m->extent().y ();
140 Score_element::print() const
143 DOUT << classname(this) << "{\n";
144 DOUT << "dependencies: " << dependency_size();
146 Graphical_element::do_print ();
155 Score_element::paper_l () const
157 return pscore_l_->paper_l_;
162 Score_element::lookup_l () const
166 Score_element * me = (Score_element*)this;
167 SCM sz = me->remove_elt_property (fontsize_scm_sym);
168 int i = (sz != SCM_BOOL_F)
169 ? gh_scm2int (SCM_CDR (sz))
173 me->lookup_l_ = pscore_l_->paper_l_->lookup_l (i);
179 Score_element::add_processing()
181 assert (status_i_ >=0);
190 Score_element::calculate_dependencies (int final, int busy,
191 Score_element_method_pointer funcptr)
193 assert (status_i_ >=0);
195 if (status_i_ >= final)
198 assert (status_i_!= busy);
201 for (int i=0; i < dependency_arr_.size(); i++)
202 dependency_arr_[i]->calculate_dependencies (final, busy, funcptr);
204 Link_array<Score_element> extra (get_extra_dependencies());
205 for (int i=0; i < extra.size(); i++)
206 extra[i]->calculate_dependencies (final, busy, funcptr);
208 invalidate_cache (X_AXIS);
209 invalidate_cache (Y_AXIS);
215 Score_element::output_processing ()
217 if (get_elt_property (transparent_scm_sym) != SCM_BOOL_F)
223 output_p_ = do_brew_molecule_p ();
224 pscore_l_->outputter_l_->output_molecule (output_p_,
237 Score_element::do_break_processing()
239 handle_broken_dependencies();
243 Score_element::do_post_processing()
248 Score_element::do_breakable_col_processing()
250 handle_prebroken_dependencies();
254 Score_element::do_pre_processing()
259 Score_element::do_space_processing ()
264 Score_element::do_add_processing()
269 Score_element::do_substitute_element_pointer (Score_element*,Score_element*)
275 Score_element::do_brew_molecule_p() const
277 Molecule a (lookup_l ()->fill (Box (Interval (0,0), Interval (0,0))));
278 return new Molecule (a);
283 Score_element::line_l() const
295 Score_element::remove_dependency (Score_element*e)
298 while ((i = dependency_arr_.find_i (e)) >=0 )
299 dependency_arr_.unordered_del (i);
301 substitute_dependency (e, 0);
305 Score_element::add_dependency (Score_element*e)
309 dependency_arr_.push (e);
313 warning("Null dependency added");
317 Score_element::substitute_dependency (Score_element* old, Score_element* new_l)
319 do_substitute_element_pointer (old,new_l);
320 old->do_substitute_element_pointer (this, 0);
324 Score_element::handle_broken_dependencies()
326 Line_of_score *line = line_l();
330 Link_array<Score_element> remove_us_arr;
331 for (int i=0; i < dependency_size(); i++)
333 Score_element * elt = dependency (i);
334 if (elt->line_l() != line)
336 if (Spanner *sp = dynamic_cast<Spanner *> (elt))
338 Spanner * broken = sp->find_broken_piece (line);
339 substitute_dependency (sp, broken);
342 add_dependency (broken);
344 else if (Item *original = dynamic_cast <Item *> (elt))
346 Item * my_item = original->find_prebroken_piece (line);
348 substitute_dependency (elt, my_item);
350 add_dependency (my_item);
352 remove_us_arr.push (elt);
356 remove_us_arr.default_sort();
357 remove_us_arr.uniq();
358 for (int i=0; i <remove_us_arr.size(); i++)
359 remove_dependency (remove_us_arr[i]);
365 unlike with spanners, the number of items can increase
371 span: item1 item2 item3
373 How to let span (a derived class) know that this happened?
376 Score_element::handle_prebroken_dependencies()
378 /* dynamic_cast<Item*> (this) &&
379 if (!break_status_dir ())
382 Link_array<Score_element> old_arr, new_arr;
384 for (int i=0; i < dependency_size(); i++)
386 Score_element * elt = dependency (i);
387 Item *it_l = dynamic_cast <Item *> (elt);
388 if (it_l && it_l->broken_original_b ())
389 if (Item *me = dynamic_cast<Item*> (this) )
391 Score_element *new_l = it_l->find_prebroken_piece (me->break_status_dir ());
394 new_arr.push (new_l);
403 new_arr.push (it_l->find_prebroken_piece (d));
404 } while (flip(&d)!= LEFT);
408 for (int i=0; i < old_arr.size(); i++)
410 substitute_dependency (old_arr[i], new_arr[i]);
414 Score_element::handle_prebroken_dependents()
420 Link_array<Score_element>
421 Score_element::get_extra_dependencies() const
423 Link_array<Score_element> empty;
428 Score_element::linked_b() const
434 Score_element::do_print () const