source file of the GNU LilyPond music typesetter
- (c) 2000 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 2000--2002 Jan Nieuwenhuizen <janneke@gnu.org>
*/
#include "part-combine-music.hh"
#include "part-combine-music-iterator.hh"
#include "translator-group.hh"
#include "musical-request.hh"
+#include "music-sequence.hh"
+#include "lily-guile.hh"
#include "warn.hh"
Part_combine_music_iterator::Part_combine_music_iterator ()
{
- combined_b_ = true;
-
- now_ = 0;
- first_iter_p_ = 0;
- second_iter_p_ = 0;
+ first_iter_ = 0;
+ second_iter_ = 0;
first_until_ = 0;
second_until_ = 0;
+
+ state_ = 0;
}
-Part_combine_music_iterator::~Part_combine_music_iterator ()
+void
+Part_combine_music_iterator::derived_mark () const
{
- delete second_iter_p_;
- delete first_iter_p_;
+ if (first_iter_)
+ scm_gc_mark (first_iter_->self_scm());
+ if (second_iter_)
+ scm_gc_mark(second_iter_->self_scm());
}
-Moment
-Part_combine_music_iterator::next_moment () const
+void
+Part_combine_music_iterator::do_quit ()
{
- Moment first_next = infinity_mom;
- if (first_iter_p_->ok ())
- first_next = first_iter_p_->next_moment ();
- Moment second_next = infinity_mom;
- if (second_iter_p_->ok ())
- second_next = second_iter_p_->next_moment ();
- if (first_next == infinity_mom && second_next == infinity_mom)
- return 0;
- return first_next <? second_next;
+ if (first_iter_)
+ first_iter_->quit();
+ if (second_iter_)
+ second_iter_->quit();
}
-bool
-Part_combine_music_iterator::ok () const
+Part_combine_music_iterator::Part_combine_music_iterator (Part_combine_music_iterator const &src)
+ : Music_iterator (src)
{
- //hmm
- return first_iter_p_->ok () || second_iter_p_->ok ();
+ first_iter_ = src.first_iter_ ? src.first_iter_->clone () : 0;
+ second_iter_ = src.second_iter_ ? src.second_iter_->clone () : 0;
+
+ first_until_ = src.first_until_;
+ second_until_ = src.second_until_;
+ state_ = src.state_;
+ suffix_ = src.suffix_;
+
+ if (first_iter_)
+ scm_gc_unprotect_object (first_iter_->self_scm());
+ if (second_iter_)
+ scm_gc_unprotect_object (second_iter_->self_scm());
}
-void
-Part_combine_music_iterator::do_print () const
+Moment
+Part_combine_music_iterator::pending_moment () const
{
- first_iter_p_->print ();
- second_iter_p_->print ();
+ Moment p;
+ p.set_infinite (1);
+ if (first_iter_->ok ())
+ p = p <? first_iter_->pending_moment ();
+
+ if (second_iter_->ok ())
+ p = p <? second_iter_->pending_moment ();
+ return p;
+}
+
+bool
+Part_combine_music_iterator::ok () const
+{
+ return first_iter_->ok () || second_iter_->ok ();
}
void
Part_combine_music_iterator::construct_children ()
{
- Part_combine_music const * m = dynamic_cast<Part_combine_music const*> (music_l_);
+ Part_combine_music const * m = dynamic_cast<Part_combine_music const*> (get_music ());
- first_iter_p_ = get_iterator_p (m->first_l ());
- second_iter_p_ = get_iterator_p (m->second_l ());
+ first_iter_ = unsmob_iterator (get_iterator (m->get_first ()));
+ second_iter_ = unsmob_iterator (get_iterator (m->get_second ()));
}
void
Part_combine_music_iterator::change_to (Music_iterator *it, String to_type,
String to_id)
{
- Translator_group * current = it->report_to_l ();
+ Translator_group * current = it->report_to ();
Translator_group * last = 0;
/*
If \translator Staff = bass, then look for Staff = *
*/
- while (current && current->type_str_ != to_type)
+ while (current && current->type_string_ != to_type)
{
last = current;
- current = current->daddy_trans_l_;
+ current = current->daddy_trans_;
}
- if (current && current->id_str_ == to_id)
+ if (current && current->id_string_ == to_id)
{
String msg;
msg += _ ("Can't switch translators, I'm there already");
if (last)
{
Translator_group * dest =
- it->report_to_l ()->find_create_translator_l (to_type, to_id);
- current->remove_translator_p (last);
- dest->add_group_translator (last);
+ it->report_to ()->find_create_translator (to_type, to_id);
+ current->remove_translator (last);
+ dest->add_used_group_translator (last);
}
else
{
We could change the current translator's id, but that would make
errors hard to catch
- last->translator_id_str_ = change_l ()->change_to_id_str_;
+ last->translator_id_string_ = get_change ()->change_to_id_string_;
*/
- error (_f ("I'm one myself: `%s'", to_type.ch_C ()));
+ error (_f ("I'm one myself: `%s'", to_type.to_str0 ()));
}
else
- error (_f ("none of these in my family: `%s'", to_id.ch_C ()));
+ error (_f ("none of these in my family: `%s'", to_id.to_str0 ()));
}
-Pitch_interrogate_req* first_spanish_inquisition; // nobody expects it
-Pitch_interrogate_req* second_spanish_inquisition; // won't strike twice
-
-Rhythm_interrogate_req* first_rhythmic_inquisition;
-Rhythm_interrogate_req* second_rhythmic_inquisition;
-void
-Part_combine_music_iterator::do_process_and_next (Moment m)
+// SCM*, moet / kan dat niet met set_x ofzo?
+static void
+get_music_info (Moment m, Music_iterator* iter, SCM *pitches, SCM *durations)
{
- Part_combine_music const * p = dynamic_cast<Part_combine_music const* > (music_l_);
-
- now_ = next_moment ();
-
- /*
- Hmm, shouldn't we check per iterator if next_moment < m?
- */
- if (first_iter_p_->ok ())
- first_iter_p_->process_and_next (m);
+ if (iter->ok ())
+ {
+ for (SCM i = iter->get_pending_events (m); gh_pair_p (i); i = ly_cdr (i))
+ {
+ Music *m = unsmob_music (ly_car (i));
+ if (Melodic_req *r = dynamic_cast<Melodic_req *> (m))
+ *pitches = gh_cons (r->get_mus_property ("pitch"), *pitches);
+ if (Rhythmic_req *r = dynamic_cast<Rhythmic_req *> (m))
+ {
+ SCM d = r->get_mus_property ("duration");
+ if (d == SCM_EOL)
+ r->origin ()->warning ("Rhythmic_req has no duration\n");
+ else
+ // *durations = gh_cons (r->get_mus_property ("duration"), *durations);
+ *durations = gh_cons (d, *durations);
+ }
+ }
+ }
+}
- if (second_iter_p_->ok ())
- second_iter_p_->process_and_next (m);
-
- Music_iterator::do_process_and_next (m);
-
- /*
- TODO:
-
- * Maybe we need a Skip_engraver?
+int
+Part_combine_music_iterator::get_state (Moment)
+{
+ int state = UNKNOWN;
+ Part_combine_music const *p = dynamic_cast<Part_combine_music const* > (get_music ());
- (check): can this all be handled now?
+ String w = ly_scm2string (p->get_mus_property ("what"));
- Maybe different modes exist?
-
- * Wind instruments (Flute I/II)
- * Hymnals:
-
-
- Rules for Hymnals/SATB (John Henckel <henckel@iname.com>):
-
- 1. if S and A differ by less than a third, the stems should be up/down.
- 2. else if S and A have different values, the stems should be up/down.
- 3. else if A sings "la" or higher, both S and A stems should be down.
- 4. else both stems should be up
-
- * This may get really tricky: combining voices/staffs: string instruments
-
- */
-
- if (!first_spanish_inquisition)
- first_spanish_inquisition = new Pitch_interrogate_req;
- first_iter_p_->try_music (first_spanish_inquisition);
- if (!second_spanish_inquisition)
- second_spanish_inquisition = new Pitch_interrogate_req;
- second_iter_p_->try_music (second_spanish_inquisition);
+ Translator_group *first_translator = first_iter_->report_to ()->find_create_translator (w, "one" + suffix_);
- Array<Musical_pitch>* first_pitches = &first_spanish_inquisition->pitch_arr_;
- Array<Musical_pitch>* second_pitches = &second_spanish_inquisition->pitch_arr_;
+ SCM s = first_translator->get_property ("changeMoment");
+ if (!gh_pair_p (s))
+ return state;
- if (!first_rhythmic_inquisition)
- first_rhythmic_inquisition = new Rhythm_interrogate_req;
- first_iter_p_->try_music (first_rhythmic_inquisition);
-
- if (!second_rhythmic_inquisition)
- second_rhythmic_inquisition = new Rhythm_interrogate_req;
- second_iter_p_->try_music (second_rhythmic_inquisition);
-
- Array<Duration>* first_durations = &first_rhythmic_inquisition->duration_arr_;
- Array<Duration>* second_durations = &second_rhythmic_inquisition->duration_arr_;
-
- SCM interval = SCM_BOOL_F;
- if (first_pitches->size () && second_pitches->size ())
- {
- first_pitches->sort (Musical_pitch::compare);
- second_pitches->sort (Musical_pitch::compare);
- interval = gh_int2scm (first_pitches->top ().steps ()
- - (*second_pitches)[0].steps ());
- }
- if (first_durations->size ())
- {
- first_durations->sort (Duration::compare);
- Moment new_until = now_ + first_durations->top ().length_mom ();
- if (new_until > first_until_)
- first_until_ = new_until;
- }
+ Moment change_mom = *unsmob_moment (ly_car (s));
+ Moment diff_mom = *unsmob_moment (ly_cdr (s));
+
+ Moment now = pending_moment ();
- if (second_durations->size ())
+ if (!now.main_part_.mod_rat (change_mom.main_part_))
{
- second_durations->sort (Duration::compare);
- Moment new_until = now_ + second_durations->top ().length_mom ();
- if (new_until > second_until_)
- second_until_ = new_until;
+ SCM interval = SCM_BOOL_F;
+ if (first_until_ < now)
+ first_until_ = now;
+ if (second_until_ < now)
+ second_until_ = now;
+
+ Moment first_mom = first_until_;
+ Moment second_mom = second_until_;
+ Moment diff_until = diff_mom + now;
+
+
+ bool first = true;
+ Music_iterator *first_iter = first_iter_->clone ();
+ Music_iterator *second_iter = second_iter_->clone ();
+
+ Moment last_pending (-1);
+ Moment pending = now;
+ while (now < diff_until
+ && (first_iter->ok () || second_iter->ok ())
+
+ // urg, this is a hack, haven't caught this case yet
+ && (pending != last_pending))
+ {
+ if (!second_iter->ok ())
+ pending = first_iter->pending_moment ();
+ else if (!first_iter->ok ())
+ pending = second_iter->pending_moment ();
+ else
+ pending = first_iter->pending_moment () <? second_iter->pending_moment ();
+ last_pending = pending;
+
+ SCM first_pitches = SCM_EOL;
+ SCM first_durations = SCM_EOL;
+ get_music_info (pending, first_iter,
+ &first_pitches, &first_durations);
+
+ SCM second_pitches = SCM_EOL;
+ SCM second_durations = SCM_EOL;
+ get_music_info (pending, second_iter,
+ &second_pitches, &second_durations);
+
+ if (first_pitches != SCM_EOL && second_pitches != SCM_EOL)
+ {
+ scm_sort_list_x (first_pitches,
+ scm_primitive_eval (ly_symbol2scm ("Pitch::less_p")));
+ scm_sort_list_x (second_pitches,
+ scm_primitive_eval (ly_symbol2scm ("Pitch::less_p")));
+
+ interval = gh_int2scm (unsmob_pitch (ly_car (first_pitches))->steps ()
+ - unsmob_pitch (ly_car (scm_last_pair (second_pitches)))->steps ());
+ }
+
+ if (first_durations != SCM_EOL)
+ {
+ scm_sort_list_x (first_durations,
+ scm_primitive_eval (ly_symbol2scm ("Duration::less_p")));
+ first_mom += unsmob_duration (ly_car (first_durations))->length_mom ();
+ }
+
+ if (second_durations != SCM_EOL)
+ {
+ scm_sort_list_x (second_durations,
+ scm_primitive_eval (ly_symbol2scm ("Duration::less_p")));
+ second_mom += unsmob_duration (ly_car (second_durations))->length_mom ();
+ }
+
+ if (first_pitches != SCM_EOL && second_pitches == SCM_EOL
+ && ! (second_until_ > now))
+ {
+ state |= UNRELATED;
+ state &= ~UNISILENCE;
+ if (! (state & ~ (UNRELATED | SOLO1 | UNISILENCE)))
+ state |= SOLO1;
+ }
+ else
+ state &= ~SOLO1;
+
+ if (first_pitches == SCM_EOL && second_pitches != SCM_EOL
+ && ! (first_until_ > now))
+ {
+ state |= UNRELATED;
+ state &= ~UNISILENCE;
+ if (! (state & ~ (UNRELATED | SOLO2 | UNISILENCE)))
+ state |= SOLO2;
+ }
+ else
+ state &= ~SOLO2;
+
+ if (gh_equal_p (first_durations, second_durations))
+ {
+ state &= ~UNISILENCE;
+ if (! (state & ~ (UNIRHYTHM | UNISON)))
+ state |= UNIRHYTHM;
+ }
+ else
+ state &= ~ (UNIRHYTHM | UNISILENCE);
+
+ if (first_pitches != SCM_EOL
+ && gh_equal_p (first_pitches, second_pitches))
+ {
+ state &= ~UNISILENCE;
+ if (! (state & ~ (UNIRHYTHM | UNISON)))
+ state |= UNISON;
+ }
+ else
+ state &= ~ (UNISON);
+
+ if (first_pitches == SCM_EOL && second_pitches == SCM_EOL)
+ {
+ if (! (state & ~ (UNIRHYTHM | UNISILENCE)))
+ state |= UNISILENCE;
+ }
+ else if (!state)
+ state |= UNRELATED;
+ else
+ state &= ~ (UNISILENCE);
+
+ if (gh_number_p (interval))
+ {
+ SCM s = first_translator->get_property ("splitInterval");
+ int i = gh_scm2int (interval);
+ if (gh_pair_p (s)
+ && gh_number_p (ly_car (s))
+ && gh_number_p (ly_cdr (s))
+ && i >= gh_scm2int (ly_car (s))
+ && i <= gh_scm2int (ly_cdr (s)))
+ {
+ if (! (state & ~ (SPLIT_INTERVAL | UNIRHYTHM | UNISON)))
+ state |= SPLIT_INTERVAL;
+ }
+ else
+ state &= ~ (SPLIT_INTERVAL);
+ }
+
+ if (first && first_pitches != SCM_EOL)
+ first_until_ = first_mom;
+ if (first && second_pitches != SCM_EOL)
+ second_until_ = second_mom;
+ first = false;
+
+ if (first_iter->ok ())
+ first_iter->skip (pending);
+ if (second_iter->ok ())
+ second_iter->skip (pending);
+ now = pending;
+ }
+ scm_gc_unprotect_object (first_iter->self_scm ());
+ scm_gc_unprotect_object (second_iter->self_scm ());
}
- Translator_group * fir = first_iter_p_->report_to_l ();
- Translator_group * sir = second_iter_p_->report_to_l ();
-
- bool solo_b = (first_pitches->empty () != second_pitches->empty ())
- && !(first_until_ > now_ && second_until_ > now_);
-
- bool unirhythm_b = !solo_b && !compare (first_durations, second_durations);
- bool unison_b = unirhythm_b && !first_pitches->empty ()
- &&!compare (first_pitches, second_pitches);
- bool unisilence_b = unirhythm_b && first_pitches->empty ();
+ return state;
+}
- Translator_group * fd = fir->find_create_translator_l (p->what_str_, "one");
- Translator_group * sd = sir->find_create_translator_l (p->what_str_, "two");
+static Span_req* abort_req = NULL;
- bool split_interval_b = false;
- if (gh_number_p (interval))
- {
- SCM s = fd->get_property (ly_symbol2scm ("splitInterval"));
- int i = gh_scm2int (interval);
- if (gh_pair_p (s)
- && gh_number_p (gh_car (s))
- && gh_number_p (gh_cdr (s))
- && i >= gh_scm2int (gh_car (s))
- && i <= gh_scm2int (gh_cdr (s)))
- split_interval_b = true;
- }
+void
+Part_combine_music_iterator::process (Moment m)
+{
/*
- Hmm, maybe we should set/check combined_b_ against
+ TODO:
+ - Use three named contexts (be it Thread or Voice): one, two, solo.
+ Let user pre-set (pushproperty) stem direction, remove
+ dynamic-engraver, and such.
- first_iter_p_->report_to_l () == second_iter_p_->report_to_l ()
+ **** Tried this, but won't work:
- ?
+s Consider thread switching: threads "one", "two" and "both".
+ User can't pre-set the (most important) stem direction at
+ thread level!
*/
+
+ if (suffix_.empty_b ())
+ suffix_ = first_iter_->report_to ()
+ ->daddy_trans_->id_string_.cut_string (3, INT_MAX);
+
+ int state = get_state (m);
+ if (state)
+ state_ = state;
+ else
+ state = state_;
+
+ Part_combine_music const *p =
+ dynamic_cast<Part_combine_music const* > (get_music ());
- String to_id = combined_b_ ? "one" : "two";
- if ((!unirhythm_b && combined_b_)
- || (split_interval_b && combined_b_)
- || (solo_b && combined_b_)
- /*|| (unisilence_b && combined_b_) */
- || ((unirhythm_b || unison_b || unisilence_b)
- && !combined_b_ && !split_interval_b && !solo_b))
- {
- combined_b_ = !combined_b_;
- to_id = combined_b_ ? "one" : "two";
- change_to (second_iter_p_, p->what_str_, to_id);
- }
-
- if (!combined_b_)
- sir = second_iter_p_->report_to_l ();
- SCM b = unirhythm_b ? SCM_BOOL_T : SCM_BOOL_F;
- fd->set_property ("unirhythm", b);
- sd->set_property ("unirhythm", b);
+ bool previously_combined_b = first_iter_->report_to ()->daddy_trans_
+ == second_iter_->report_to ()->daddy_trans_;
- b = split_interval_b ? SCM_BOOL_T : SCM_BOOL_F;
- fd->set_property ("split-interval", b);
- sd->set_property ("split-interval", b);
+ bool combine_b = previously_combined_b;
- b = unisilence_b ? SCM_BOOL_T : SCM_BOOL_F;
- fd->set_property ("unisilence", b);
- sd->set_property ("unisilence", b);
+ if (! (state & UNIRHYTHM)
+ || (state & SPLIT_INTERVAL)
+ || (state & (SOLO1 | SOLO2)))
+ combine_b = false;
+ else if (state & (UNIRHYTHM | UNISILENCE))
+ combine_b = true;
- b = unison_b ? SCM_BOOL_T : SCM_BOOL_F;
- fd->set_property ("unison", b);
- sd->set_property ("unison", b);
+ /*
+ When combining, abort all running spanners
+ */
- b = solo_b ? SCM_BOOL_T : SCM_BOOL_F;
- if (first_pitches->size ())
+ if (!abort_req)
{
- fd->set_property ("solo", b);
- sd->set_property ("solo", SCM_BOOL_F);
+ abort_req = new Span_req;
+ abort_req->set_mus_property ("span-type", scm_makfrom0str ("abort"));
}
-
- if (second_pitches->size ())
+
+ if (combine_b && combine_b != previously_combined_b)
{
- fd->set_property ("solo", SCM_BOOL_F);
- sd->set_property ("solo", b);
- }
+ if (second_iter_ && second_iter_->ok ())
+ second_iter_->try_music (abort_req);
+ }
+ String w = ly_scm2string (p->get_mus_property ("what"));
+ if (combine_b != previously_combined_b)
+ change_to (second_iter_, w, (combine_b ? "one" : "two")
+ + suffix_);
+
+ Translator_group *first_translator = first_iter_->report_to ()->find_create_translator (w, "one" + suffix_);
+ Translator_group *second_translator = second_iter_->report_to ()->find_create_translator (w, "two" + suffix_);
+
- first_pitches->clear ();
- second_pitches->clear ();
- first_durations->clear ();
- second_durations->clear ();
+ /* Hmm */
+ first_translator->set_property ("combineParts", SCM_BOOL_T);
+ second_translator ->set_property ("combineParts", SCM_BOOL_T);
+
+
+ /* hmm */
+ SCM b = (state & UNIRHYTHM) ? SCM_BOOL_T : SCM_BOOL_F;
+ first_translator->set_property ("unirhythm", b);
+ second_translator->set_property ("unirhythm", b);
+
+ b = (state & SPLIT_INTERVAL) ? SCM_BOOL_T : SCM_BOOL_F;
+ first_translator->set_property ("split-interval", b);
+ second_translator->set_property ("split-interval", b);
+
+ b = (state & UNISILENCE) ? SCM_BOOL_T : SCM_BOOL_F;
+ first_translator->set_property ("unisilence", b);
+ second_translator->set_property ("unisilence", b);
+
+ // difference in definition...
+ //b = ((state & UNISON) ? SCM_BOOL_T : SCM_BOOL_F;
+ b = ((state & UNISON) && (state & UNIRHYTHM)) ? SCM_BOOL_T : SCM_BOOL_F;
+ first_translator->set_property ("unison", b);
+ second_translator->set_property ("unison", b);
+
+ SCM b1 = (state & SOLO1) ? SCM_BOOL_T : SCM_BOOL_F;
+ SCM b2 = (state & SOLO2) ? SCM_BOOL_T : SCM_BOOL_F;
+ first_translator->set_property ("solo", b1);
+ second_translator->set_property ("solo", b2);
+
+ /* Can't these be computed? */
+ first_translator->set_property ("othersolo", b2);
+ second_translator->set_property ("othersolo", b1);
+
+ if (first_iter_->ok ())
+ first_iter_->process (m);
+
+ if (second_iter_->ok ())
+ second_iter_->process (m);
}
Music_iterator*
Part_combine_music_iterator::try_music_in_children (Music *m) const
{
- Music_iterator * i = first_iter_p_->try_music (m);
+ Music_iterator * i = first_iter_->try_music (m);
if (i)
return i;
else
- return second_iter_p_->try_music (m);
+ return second_iter_->try_music (m);
+}
+
+
+SCM
+Part_combine_music_iterator::get_pending_events (Moment m)const
+{
+ SCM s = SCM_EOL;
+ if (first_iter_)
+ s = gh_append2 (s,first_iter_->get_pending_events (m));
+ if (second_iter_)
+ s = gh_append2 (second_iter_->get_pending_events (m),s);
+ return s;
}
+IMPLEMENT_CTOR_CALLBACK (Part_combine_music_iterator);
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