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"
27 #include "staff-side.hh"
31 Score_element::Score_element()
34 dim_cache_[X_AXIS] = new Dimension_cache;
35 dim_cache_[Y_AXIS] = new Dimension_cache;
36 dim_cache_[X_AXIS]->elt_l_ = dim_cache_[Y_AXIS]->elt_l_ = this;
40 dim_cache_[X_AXIS]->set_callback (molecule_extent);
41 dim_cache_[Y_AXIS]->set_callback (molecule_extent);
48 element_property_alist_ = SCM_EOL;
53 SCM ly_deep_copy (SCM);
60 return gh_cons (ly_deep_copy (gh_car (l)), ly_deep_copy (gh_cdr (l)));
67 Score_element::Score_element (Score_element const&s)
69 dim_cache_[X_AXIS] = new Dimension_cache (*s.dim_cache_[X_AXIS]);
70 dim_cache_[Y_AXIS] = new Dimension_cache (*s.dim_cache_[Y_AXIS]);
71 dim_cache_[X_AXIS]->elt_l_ = dim_cache_[Y_AXIS]->elt_l_ = this;
75 original_l_ =(Score_element*) &s;
78 should protect because smobify_self () might trigger GC.
80 element_property_alist_ = scm_protect_object (ly_deep_copy (s.element_property_alist_));
81 dependency_arr_ = s.dependency_arr_;
83 status_i_ = s.status_i_;
84 lookup_l_ = s.lookup_l_;
85 pscore_l_ = s.pscore_l_;
90 Score_element::~Score_element()
93 assert (status_i_ >=0);
96 delete dim_cache_[X_AXIS];
97 delete dim_cache_[Y_AXIS];
101 Score_element::dependency (int i) const
103 return dependency_arr_ [i];
107 Score_element::dependency_size () const
109 return dependency_arr_.size ();
112 // should also have one that takes SCM arg.
114 Score_element::get_elt_property (String nm) const
116 SCM sym = ly_symbol2scm (nm.ch_C());
117 SCM s = scm_assq(sym, element_property_alist_);
124 SCM sym2 = ly_symbol2scm ((name () + ("::" + nm)).ch_C());
127 // should probably check for Type::sym as well.
128 Paper_def * p= pscore_l_->paper_l_;
129 if (p->default_properties_.try_retrieve (sym2, &val))
131 else if (p->default_properties_.try_retrieve (sym, &val))
135 return SCM_UNDEFINED;
139 Score_element::remove_elt_property (String key)
141 SCM s = get_elt_property (key);
142 SCM sym = ly_symbol2scm (key.ch_C());
143 element_property_alist_ = scm_assq_remove_x (element_property_alist_, sym);
151 Score_element::set_elt_property (String k, SCM v)
153 SCM s = ly_symbol2scm (k.ch_C( ));
154 element_property_alist_ = scm_assoc_set_x (element_property_alist_, s, v);
158 Score_element::molecule_extent(Dimension_cache const *c)
160 Score_element *s = dynamic_cast<Score_element*>(c->element_l());
161 Molecule*m = s->do_brew_molecule_p();
162 return m->extent()[c->axis ()];
167 Score_element::print() const
170 DEBUG_OUT << classname(this) << "{\n";
173 if (flower_dstream && !flower_dstream->silent_b ("Score_element"))
174 ly_display_scm (element_property_alist_);
176 DEBUG_OUT << "dependencies: " << dependency_size();
178 DEBUG_OUT << "Copy ";
186 Score_element::paper_l () const
188 return pscore_l_->paper_l_;
192 Score_element::lookup_l () const
196 Score_element * urg = (Score_element*)this;
197 SCM sz = urg->remove_elt_property ("fontsize");
198 int i = (sz != SCM_UNDEFINED)
202 urg->lookup_l_ = (Lookup*)pscore_l_->paper_l_->lookup_l (i);
208 Score_element::add_processing()
210 assert (status_i_ >=0);
219 if (get_elt_property ("self-alignment-X") != SCM_UNDEFINED
220 && !dim_cache_[X_AXIS]->off_callback_l_)
222 dim_cache_[X_AXIS]->off_callbacks_.push (Side_position_interface::self_alignment);
225 if (get_elt_property ("self-alignment-Y") != SCM_UNDEFINED
226 && !dim_cache_[X_AXIS]->off_callback_l_)
229 dim_cache_[Y_AXIS]->set_offset_callback (Side_position_interface::self_alignment);
237 Score_element::calculate_dependencies (int final, int busy,
238 Score_element_method_pointer funcptr)
240 assert (status_i_ >=0);
242 if (status_i_ >= final)
245 assert (status_i_!= busy);
248 for (int i=0; i < dependency_arr_.size(); i++)
249 dependency_arr_[i]->calculate_dependencies (final, busy, funcptr);
251 Link_array<Score_element> extra (get_extra_dependencies());
252 for (int i=0; i < extra.size(); i++)
253 extra[i]->calculate_dependencies (final, busy, funcptr);
260 Score_element::output_processing ()
262 if (get_elt_property ("transparent") != SCM_UNDEFINED)
265 // we're being silly here.
269 output_p_ = do_brew_molecule_p ();
270 Offset o (relative_coordinate (0, X_AXIS), relative_coordinate (0, Y_AXIS));
272 SCM s = get_elt_property ("extra-offset");
275 Real il = paper_l ()->get_var ("interline");
276 o[X_AXIS] += il * gh_scm2double (gh_car (s));
277 o[Y_AXIS] += il * gh_scm2double (gh_cdr (s));
280 pscore_l_->outputter_l_->output_molecule (output_p_,
294 Score_element::do_break_processing()
296 handle_broken_dependencies();
300 Score_element::do_post_processing()
305 Score_element::do_breakable_col_processing()
307 handle_prebroken_dependencies();
311 Score_element::do_pre_processing()
316 Score_element::do_space_processing ()
321 Score_element::do_add_processing()
328 Score_element::do_brew_molecule_p() const
332 Molecule a (lookup_l ()->fill (Box (emp,emp)));
333 return new Molecule (a);
338 Score_element::line_l() const
344 Score_element::add_dependency (Score_element*e)
348 dependency_arr_.push (e);
352 programming_error ("Null dependency added");
359 Do break substitution in S, using CRITERION. Return new value.
360 CRITERION is either a SMOB pointer to the desired line, or a number
361 representing the break direction. */
363 Score_element::handle_broken_smobs (SCM s, SCM criterion)
365 Score_element *sc = unsmob_element ( s);
368 if (criterion == SCM_UNDEFINED)
369 return SCM_UNDEFINED;
370 else if (gh_number_p (criterion))
372 Item * i = dynamic_cast<Item*> (sc);
373 Direction d = to_dir (criterion);
374 if (i && i->break_status_dir () != d)
376 Item *br = i->find_broken_piece (d);
377 return (br) ? br->self_scm_ : SCM_UNDEFINED;
382 Score_element * ln = unsmob_element ( criterion);
383 Line_of_score * line = dynamic_cast<Line_of_score*> (ln);
384 Score_element * br =0;
385 Line_of_score * dep_line = sc->line_l ();
386 if (dep_line != line)
388 br = sc->find_broken_piece (line);
389 return (br) ? br->self_scm_ : SCM_UNDEFINED;
392 return SCM_UNDEFINED;
395 else if (gh_pair_p (s))
398 UGH! breaks on circular lists.
400 gh_set_car_x (s, handle_broken_smobs (gh_car (s), criterion));
401 gh_set_cdr_x (s, handle_broken_smobs (gh_cdr (s), criterion));
403 if (gh_car (s) == SCM_UNDEFINED && gh_list_p (gh_cdr(s)))
410 Score_element::recurse_into_smobs (SCM s, void (Score_element::*meth_ptr)())
412 Score_element * sc = unsmob_element ( s);
417 else if (gh_pair_p (s))
419 recurse_into_smobs (gh_car (s), meth_ptr);
420 recurse_into_smobs (gh_cdr (s), meth_ptr);
425 Score_element::handle_broken_dependencies()
427 Line_of_score *line = line_l();
429 SCM rec = get_elt_property ("handle-broken-deps");
430 if (gh_boolean_p (rec) && gh_scm2bool (rec))
433 set_elt_property ("handle-broken-deps", SCM_BOOL_T);
434 element_property_alist_ = handle_broken_smobs (element_property_alist_,
435 line ? line->self_scm_ : SCM_UNDEFINED);
438 recurse_into_smobs (element_property_alist_,
439 &Score_element::handle_broken_dependencies);
445 Link_array<Score_element> new_deps;
447 for (int i=0; i < dependency_size(); i++)
449 Score_element * elt = dependency (i);
450 if (elt->line_l() != line)
452 Score_element * broken = elt->find_broken_piece (line);
458 dependency_arr_ = new_deps;
466 Score_element::handle_prebroken_dependencies()
468 if (Item*i =dynamic_cast<Item*> (this))
470 element_property_alist_
471 = handle_broken_smobs (element_property_alist_,
472 gh_int2scm (i->break_status_dir ()));
480 Link_array<Score_element>
481 Score_element::get_extra_dependencies() const
483 Link_array<Score_element> empty;
488 Score_element::linked_b() const
494 Score_element::do_print () const
499 Score_element::find_broken_piece (Line_of_score*) const
505 Score_element::mark_smob (SCM ses)
507 void * mp = (void*) SCM_CDR(ses);
508 Score_element * s = (Score_element*) mp;
510 assert (s->self_scm_ == ses);
511 return s->element_property_alist_;
516 Score_element::print_smob (SCM s, SCM port, scm_print_state *)
518 Score_element *sc = (Score_element *) SCM_CDR (s);
520 scm_puts ("#<Score_element ", port);
521 scm_puts ((char *)sc->name (), port);
523 // scm_puts (" properties = ", port);
524 // scm_display (sc->element_property_alist_, port);
525 scm_puts (" >", port);
530 Score_element::do_smobify_self ()
532 scm_unprotect_object (element_property_alist_); // ugh
534 #include "ly-smobs.icc"
535 IMPLEMENT_SMOBS(Score_element);
538 Score_element::equal_p (SCM a, SCM b)
540 return SCM_CDR(a) == SCM_CDR(b) ? SCM_BOOL_T : SCM_BOOL_F;
544 Score_element::translate_axis (Real y, Axis a)
546 dim_cache_[a]->translate (y);
550 Score_element::relative_coordinate (Score_element const*e, Axis a) const
552 return dim_cache_[a]->relative_coordinate (e ? e->dim_cache_[a] : 0);
556 Score_element::common_refpoint (Score_element const* s, Axis a) const
558 Dimension_cache *dim = dim_cache_[a]->common_refpoint (s->dim_cache_[a]);
560 programming_error ("No common reference point");
561 return dim ? dim->element_l () : 0;
565 Score_element::set_empty (Axis a)
567 dim_cache_[a]->callback_l_ =0;
571 Score_element::empty_b (Axis a)const
573 return !dim_cache_[a]->callback_l_;
577 Score_element::extent (Axis a) const
579 Dimension_cache const * d = dim_cache_[a];
581 return d->get_dim ();
585 unsmob_element (SCM s)
587 if (SMOB_IS_TYPE_B (Score_element, s))
588 return SMOB_TO_TYPE(Score_element,s);
598 Score_element::invalidate_cache (Axis a)
600 dim_cache_[a]->invalidate ();
604 Score_element::parent_l (Axis a) const
606 Dimension_cache*d= dim_cache_[a]->parent_l_;
607 return d ? d->elt_l_ : 0;
611 Score_element::common_refpoint (Link_array<Score_element> gs, Axis a) const
613 Dimension_cache * common = dim_cache_[a];
614 for (int i=0; i < gs.size (); i++)
616 common = common->common_refpoint (gs[i]->dim_cache_[a]);
619 return common->element_l ();
623 Score_element::name () const
625 return classname (this);
630 Score_element::set_parent (Score_element *g, Axis a)
632 dim_cache_[a]->parent_l_ = g ? g->dim_cache_[a]: 0;
636 Score_element::fixup_refpoint ()
638 for (int a = X_AXIS; a < NO_AXES; a ++)
641 Score_element * par = parent_l (ax);
646 if (par->line_l () != line_l ())
648 Score_element * newpar = par->find_broken_piece (line_l ());
649 set_parent (newpar, ax);
652 if (Item * i = dynamic_cast<Item*> (this))
654 Item *pari = dynamic_cast<Item*> (par);
658 Direction my_dir = i->break_status_dir () ;
659 if (my_dir!= pari->break_status_dir())
661 Item *newpar = pari->find_broken_piece (my_dir);
662 set_parent (newpar, ax);