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-score.hh"
14 #include "paper-def.hh"
16 #include "molecule.hh"
17 #include "score-element.hh"
20 #include "line-of-score.hh"
22 #include "paper-column.hh"
23 #include "molecule.hh"
25 #include "paper-outputter.hh"
26 #include "dimension-cache.hh"
30 Score_element::dim_cache_callback (Dimension_cache const*c)
32 Score_element * e =dynamic_cast<Score_element*> (c->element_l());
33 if(e->dim_cache_[X_AXIS] == c)
34 return e->do_width ();
36 return e->do_height ();
42 set_alignment_callback (Dimension_cache const *c)
44 String s ("self-alignment-");
46 s += (ax == X_AXIS) ? "X" : "Y";
47 Score_element *elm = dynamic_cast<Score_element*> (c->element_l ());
48 SCM align (elm->get_elt_property (s));
51 Direction d = to_dir (align);
52 Interval ext(elm->extent (ax));
57 return - ext.center ();
64 Score_element::Score_element()
67 dim_cache_[X_AXIS]->set_callback (dim_cache_callback);
68 dim_cache_[Y_AXIS]->set_callback (dim_cache_callback);
75 element_property_alist_ = SCM_EOL;
80 Score_element::Score_element (Score_element const&s)
81 : Graphical_element (s)
86 original_l_ =(Score_element*) &s;
87 element_property_alist_ = scm_protect_object (scm_list_copy (s.element_property_alist_));
88 dependency_arr_ = s.dependency_arr_;
90 status_i_ = s.status_i_;
91 lookup_l_ = s.lookup_l_;
92 pscore_l_ = s.pscore_l_;
97 Score_element::~Score_element()
100 assert (status_i_ >=0);
105 Score_element::dependency (int i) const
107 return dependency_arr_ [i];
111 Score_element::dependency_size () const
113 return dependency_arr_.size ();
116 // should also have one that takes SCM arg.
118 Score_element::get_elt_property (String nm) const
120 SCM sym = ly_symbol2scm (nm.ch_C());
121 SCM s = scm_assq(sym, element_property_alist_);
128 SCM sym2 = ly_symbol2scm ((name () + ("::" + nm)).ch_C());
131 // should probably check for Type::sym as well.
132 Paper_def * p= pscore_l_->paper_l_;
133 if (p->default_properties_.try_retrieve (sym2, &val))
135 else if (p->default_properties_.try_retrieve (sym, &val))
139 return SCM_UNDEFINED;
143 Score_element::remove_elt_property (String key)
145 SCM s = get_elt_property (key);
146 SCM sym = ly_symbol2scm (key.ch_C());
147 element_property_alist_ = scm_assq_remove_x (element_property_alist_, sym);
155 Score_element::set_elt_property (String k, SCM v)
157 SCM s = ly_symbol2scm (k.ch_C( ));
158 element_property_alist_ = scm_assoc_set_x (element_property_alist_, s, v);
162 Score_element::do_width() const
166 Molecule*m = output_p_ ? output_p_ : do_brew_molecule_p();
167 r = m->extent().x ();
176 Score_element::do_height() const
179 Molecule*m = output_p_ ? output_p_ : do_brew_molecule_p();
180 r = m->extent().y ();
188 Score_element::print() const
191 DEBUG_OUT << classname(this) << "{\n";
192 if (flower_dstream && !flower_dstream->silent_b ("Score_element"))
193 ly_display_scm (element_property_alist_);
194 DEBUG_OUT << "dependencies: " << dependency_size();
196 DEBUG_OUT << "Copy ";
197 Graphical_element::do_print ();
205 Score_element::paper_l () const
207 return pscore_l_->paper_l_;
211 Score_element::lookup_l () const
215 Score_element * urg = (Score_element*)this;
216 SCM sz = urg->remove_elt_property ("fontsize");
217 int i = (sz != SCM_UNDEFINED)
221 urg->lookup_l_ = (Lookup*)pscore_l_->paper_l_->lookup_l (i);
227 Score_element::add_processing()
229 assert (status_i_ >=0);
234 if (get_elt_property ("self-alignment-X") != SCM_UNDEFINED)
236 dim_cache_[X_AXIS]->set_offset_callback (set_alignment_callback);
239 if (get_elt_property ("self-alignment-Y") != SCM_UNDEFINED)
241 dim_cache_[Y_AXIS]->set_offset_callback (set_alignment_callback);
248 Score_element::calculate_dependencies (int final, int busy,
249 Score_element_method_pointer funcptr)
251 assert (status_i_ >=0);
253 if (status_i_ >= final)
256 assert (status_i_!= busy);
259 for (int i=0; i < dependency_arr_.size(); i++)
260 dependency_arr_[i]->calculate_dependencies (final, busy, funcptr);
262 Link_array<Score_element> extra (get_extra_dependencies());
263 for (int i=0; i < extra.size(); i++)
264 extra[i]->calculate_dependencies (final, busy, funcptr);
266 invalidate_cache (X_AXIS);
267 invalidate_cache (Y_AXIS);
273 Score_element::output_processing ()
275 if (get_elt_property ("transparent") != SCM_UNDEFINED)
278 // we're being silly here.
282 output_p_ = do_brew_molecule_p ();
283 Offset o (relative_coordinate (0, X_AXIS), relative_coordinate (0, Y_AXIS));
285 SCM s = get_elt_property ("extra-offset");
288 Real il = paper_l ()->get_var ("interline");
289 o[X_AXIS] += il * gh_scm2double (gh_car (s));
290 o[Y_AXIS] += il * gh_scm2double (gh_cdr (s));
293 pscore_l_->outputter_l_->output_molecule (output_p_,
307 Score_element::do_break_processing()
309 handle_broken_dependencies();
313 Score_element::do_post_processing()
318 Score_element::do_breakable_col_processing()
320 handle_prebroken_dependencies();
324 Score_element::do_pre_processing()
329 Score_element::do_space_processing ()
334 Score_element::do_add_processing()
339 Score_element::do_substitute_element_pointer (Score_element*,Score_element*)
345 Score_element::do_brew_molecule_p() const
347 Molecule a (lookup_l ()->fill (Box (Interval (0,0), Interval (0,0))));
348 return new Molecule (a);
353 Score_element::line_l() const
359 Score_element::add_dependency (Score_element*e)
363 dependency_arr_.push (e);
367 programming_error ("Null dependency added");
371 Score_element::substitute_dependency (Score_element* old, Score_element* new_l)
373 do_substitute_element_pointer (old,new_l);
374 old->do_substitute_element_pointer (this, 0);
379 Do break substitution, and return new value.
382 Score_element::handle_broken_smobs (SCM s, Line_of_score * line)
384 if (SMOB_IS_TYPE_B (Score_element, s))
386 Score_element *sc = SMOB_TO_TYPE (Score_element, s);
387 Score_element * br =0;
388 if (sc->line_l () != line)
390 br = sc->find_broken_piece (line);
394 return br->self_scm_;
396 else if (gh_pair_p (s))
399 UGH! breaks on circular lists.
401 gh_set_car_x (s, handle_broken_smobs (gh_car (s), line));
402 gh_set_cdr_x (s, handle_broken_smobs (gh_cdr (s), line));
408 Score_element::handle_broken_dependencies()
410 Line_of_score *line = line_l();
414 element_property_alist_ = handle_broken_smobs (element_property_alist_, line);
416 Link_array<Score_element> new_deps;
418 for (int i=0; i < dependency_size(); i++)
420 Score_element * elt = dependency (i);
421 if (elt->line_l() != line)
423 Score_element * broken = elt->find_broken_piece (line);
424 substitute_dependency (elt, broken);
430 dependency_arr_ = new_deps;
439 Score_element::handle_prebroken_dependencies()
441 element_property_alist_
442 = handle_broken_smobs (element_property_alist_, line_l ());
444 Link_array<Score_element> old_arr, new_arr;
446 for (int i=0; i < dependency_size(); i++)
448 Score_element * elt = dependency (i);
449 Item *it_l = dynamic_cast <Item *> (elt);
450 if (it_l && it_l->broken_original_b ())
451 if (Item *me = dynamic_cast<Item*> (this) )
453 Score_element *new_l = it_l->find_broken_piece (me->break_status_dir ());
456 new_arr.push (new_l);
465 new_arr.push (it_l->find_broken_piece (d));
466 } while (flip(&d)!= LEFT);
470 for (int i=0; i < old_arr.size(); i++)
472 substitute_dependency (old_arr[i], new_arr[i]);
476 Score_element::handle_prebroken_dependents()
481 Score_element::handle_broken_dependents()
487 Link_array<Score_element>
488 Score_element::get_extra_dependencies() const
490 Link_array<Score_element> empty;
495 Score_element::linked_b() const
501 Score_element::do_print () const
508 Score_element::find_broken_piece (Line_of_score*) const
514 Score_element::mark_smob (SCM ses)
516 void * mp = (void*) SCM_CDR(ses);
517 Score_element * s = (Score_element*) mp;
519 assert (s->self_scm_ == ses);
520 return s->element_property_alist_;
525 Score_element::print_smob (SCM s, SCM port, scm_print_state *)
527 Score_element *sc = (Score_element *) SCM_CDR (s);
529 scm_puts ("#<Score_element ", port);
530 scm_puts ((char *)sc->name (), port);
531 scm_puts ("properties = ", port);
532 scm_display (sc->element_property_alist_, port);
533 scm_puts (" >", port);
538 Score_element::do_smobify_self ()
540 scm_unprotect_object (element_property_alist_); // ugh
542 #include "ly-smobs.icc"
543 IMPLEMENT_SMOBS(Score_element);
546 Score_element::equal_p (SCM a, SCM b)
548 return SCM_CDR(a) == SCM_CDR(b) ? SCM_BOOL_T : SCM_BOOL_F;