/*
- tie-engraver.cc -- implement Tie_engraver
+ new-tie-engraver.cc -- implement Tie_engraver
source file of the GNU LilyPond music typesetter
- (c) 1998--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1998--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include "command-request.hh"
-#include "rhythmic-head.hh"
-#include "musical-request.hh"
+#include "event.hh"
#include "tie.hh"
#include "translator-group.hh"
#include "spanner.hh"
#include "tie-column.hh"
-#include "pqueue.hh"
#include "engraver.hh"
#include "item.hh"
-
-struct CHead_melodic_tuple {
- Melodic_req *req_l_ ;
- Grob *head_l_;
- Moment end_;
- CHead_melodic_tuple ();
- CHead_melodic_tuple (Grob*, Melodic_req*, Moment);
- static int pitch_compare (CHead_melodic_tuple const &, CHead_melodic_tuple const &);
- static int time_compare (CHead_melodic_tuple const &, CHead_melodic_tuple const &);
-};
-
-inline int compare (CHead_melodic_tuple const &a, CHead_melodic_tuple const &b)
-{
- return CHead_melodic_tuple::time_compare (a,b);
-}
-
+#include "grob-pitch-tuple.hh"
+#include "warn.hh"
+#include "note-head.hh"
+#include "staff-symbol-referencer.hh"
/**
Manufacture ties. Acknowledge noteheads, and put them into a
- priority queue. If we have a Tie_req, connect the notes that finish
+ priority queue. If we have a TieEvent, connect the notes that finish
just at this time, and note that start at this time.
- TODO: junk the pq; the PQ is overkill if we assume that no
- different durations occur in parallel.
+ TODO: Remove the dependency on musical info. We should tie on the
+ basis of position and duration-log of the heads (not of the events).
+
+ TODO: support sparseTies.
+
+ TODO: melismata will fuck up now:
+
+ < { c8 ~ c8 }
+ { c16 c c c } >
+
+ melisma is after the 2nd 8th note, but will now be signaled as
+ lasting till the 3rd 16th.
*/
class Tie_engraver : public Engraver
{
- PQueue<CHead_melodic_tuple> past_notes_pq_;
- Moment end_mom_;
- Moment next_end_mom_;
-
- Tie_req *req_l_;
- Array<CHead_melodic_tuple> now_heads_;
- Array<CHead_melodic_tuple> stopped_heads_;
- Link_array<Grob> tie_p_arr_;
-
- Spanner * tie_column_p_;
+ Music *event_;
+ Music *last_event_;
+ Link_array<Grob> now_heads_;
+ Link_array<Grob> heads_to_tie_;
+ Link_array<Grob> ties_;
+
+ Spanner * tie_column_;
- void set_melisma (bool);
protected:
- virtual void start_translation_timestep ();
virtual void stop_translation_timestep ();
+ virtual void start_translation_timestep ();
virtual void acknowledge_grob (Grob_info);
virtual bool try_music (Music*);
- virtual void create_grobs ();
+ virtual void process_acknowledged_grobs ();
void typeset_tie (Grob*);
public:
- VIRTUAL_COPY_CONS (Translator);
- Tie_engraver ();
+ TRANSLATOR_DECLARATIONS(Tie_engraver);
};
Tie_engraver::Tie_engraver ()
{
- req_l_ = 0;
- tie_column_p_ = 0;
+ event_ = 0;
+ last_event_ = 0;
+ tie_column_ = 0;
}
bool
-Tie_engraver::try_music (Music *m)
+Tie_engraver::try_music (Music *mus)
{
- if (Tie_req * c = dynamic_cast<Tie_req*> (m))
+ if (mus->is_mus_type ("tie-event"))
{
- /* if (end_mom_ > now_mom ())
- return false;
- */
- req_l_ = c;
- SCM m = get_property ("automaticMelismata");
- bool am = gh_boolean_p (m) &&gh_scm2bool (m);
- if (am)
- {
- set_melisma (true);
- }
- return true;
+ event_ = mus;
}
- return false;
-}
-
-void
-Tie_engraver::set_melisma (bool m)
-{
- daddy_trans_l_->set_property ("tieMelismaBusy", m ? SCM_BOOL_T : SCM_BOOL_F);
+
+ return true;
}
void
Tie_engraver::acknowledge_grob (Grob_info i)
{
- if (Rhythmic_head::has_interface (i.elem_l_))
+ if (Note_head::has_interface (i.grob_))
{
- Note_req * m = dynamic_cast<Note_req* > (i.req_l_);
- if (!m)
- return;
- now_heads_.push (CHead_melodic_tuple (i.elem_l_, m, now_mom ()+ m->length_mom ()));
+ Grob * h = i.grob_;
+ now_heads_.push (h);
+ for (int i = heads_to_tie_.size (); i--;)
+ {
+ Grob *th = heads_to_tie_[i];
+ Music * right_mus = unsmob_music (h->get_grob_property ("cause"));
+ Music * left_mus = unsmob_music (th->get_grob_property ("cause"));
+
+ /*
+ maybe should check positions too.
+ */
+ if (right_mus && left_mus
+ && gh_equal_p (right_mus->get_mus_property ("pitch"),
+ left_mus->get_mus_property ("pitch")))
+ {
+ Grob * p = new Spanner (get_property ("Tie"));
+ Tie::set_interface (p); // cannot remove yet!
+
+ Tie::set_head (p, LEFT, th);
+ Tie::set_head (p, RIGHT, h);
+
+ ties_.push (p);
+ announce_grob(p, last_event_->self_scm());
+ }
+ }
}
}
-
void
-Tie_engraver::create_grobs ()
+Tie_engraver::process_acknowledged_grobs ()
{
- if (req_l_)
+ if (ties_.size () > 1 && !tie_column_)
{
- now_heads_.sort (CHead_melodic_tuple::pitch_compare);
- stopped_heads_.sort (CHead_melodic_tuple::pitch_compare);
-
- SCM head_list = SCM_EOL;
+ tie_column_ = new Spanner (get_property ("TieColumn"));
- int j = stopped_heads_.size ()-1;
- int i = now_heads_.size ()-1;
-
- while (i >= 0 && j >=0)
- {
- int comp
- = Pitch::compare (*unsmob_pitch (now_heads_[i].req_l_->get_mus_property ("pitch")),
- *unsmob_pitch (stopped_heads_[j].req_l_->get_mus_property ("pitch")));
-
- if (comp)
- {
- (comp < 0) ? j -- : i--;
- continue;
- }
- else
- {
- head_list = gh_cons (gh_cons (stopped_heads_[j].head_l_->self_scm (),
- now_heads_[i].head_l_->self_scm ()),
- head_list);
-
- past_notes_pq_. insert (now_heads_[i]);
- now_heads_.del (i);
- stopped_heads_.del (j);
- i--;
- j--;
- }
- }
-
- SCM basic = get_property ("Tie");
- SCM sparse = get_property ("sparseTies");
- if (to_boolean (sparse))
- {
- int i = scm_ilength (head_list);
-
- if (!i)
- return;
-
- SCM pair = scm_listify_ref (head_list, gh_int2scm (i/2));
-
- Spanner * p = new Spanner (basic);
-
- Tie::set_interface (p);
- Tie::set_head (p,LEFT, dynamic_cast<Item*> (unsmob_grob (ly_car (pair))));
- Tie::set_head (p,RIGHT, dynamic_cast<Item*> (unsmob_grob (ly_cdr (pair))));
-
- tie_p_arr_.push (p);
- announce_grob (p, req_l_);
- }
- else for (SCM s = head_list; gh_pair_p (s); s = ly_cdr (s))
- {
- Grob * p = new Spanner (basic);
- Tie::set_interface (p);
-
- Tie::set_head (p, LEFT, dynamic_cast<Item*> (unsmob_grob (gh_caar (s))));
- Tie::set_head (p, RIGHT, dynamic_cast<Item*> (unsmob_grob (gh_cdar (s))));
-
- tie_p_arr_.push (p);
- announce_grob (p, req_l_);
- }
+ for (int i = ties_.size (); i--;)
+ Tie_column::add_tie (tie_column_,ties_ [i]);
- if (tie_p_arr_.size () > 1 && !tie_column_p_)
- {
- tie_column_p_ = new Spanner (get_property ("TieColumn"));
- Tie_column::set_interface (tie_column_p_);
- for (int i = tie_p_arr_.size (); i--;)
- Tie_column::add_tie (tie_column_p_,tie_p_arr_ [i]);
- announce_grob (tie_column_p_, 0);
- }
+ announce_grob(tie_column_, SCM_EOL);
}
}
+void
+Tie_engraver::start_translation_timestep ()
+{
+ if (to_boolean (get_property ("automaticMelismata")))
+ daddy_trans_->set_property ("tieMelismaBusy",
+ gh_bool2scm (heads_to_tie_.size ()));
+
+}
void
Tie_engraver::stop_translation_timestep ()
{
- for (int i=0; i < now_heads_.size (); i++)
+ if (ties_.size ())
{
- past_notes_pq_.insert (now_heads_[i]);
- }
- now_heads_.clear ();
+ heads_to_tie_.clear ();
+ for (int i=0; i< ties_.size (); i++)
+ {
+ typeset_tie (ties_[i]);
+ }
- /*
- we don't warn for no ties, since this happens naturally when you
- use skipTypesetting. */
-
-#if 0
- if (req_l_ && !tie_p_arr_.size ())
- {
- /* How to shut up this warning, when no notes appeared because
- they were suicided by Thread_devnull_engraver? */
- req_l_->origin ()->warning (_ ("No ties were created!"));
+ ties_.clear();
+ last_event_ = 0;
+ if (tie_column_)
+ {
+ typeset_grob (tie_column_);
+ tie_column_ =0;
+ }
}
-#endif
- for (int i=0; i< tie_p_arr_.size (); i++)
- {
- typeset_tie (tie_p_arr_[i]);
- }
- tie_p_arr_.clear ();
- if (tie_column_p_)
+ if (event_)
{
- typeset_grob (tie_column_p_);
- tie_column_p_ =0;
+ heads_to_tie_ = now_heads_;
+ last_event_ = event_;
}
+ event_ = 0;
+ now_heads_.clear ();
}
void
typeset_grob (her);
}
-void
-Tie_engraver::start_translation_timestep ()
-{
- SCM m = get_property ("automaticMelismata");
- if (to_boolean (m))
- {
- set_melisma (false);
- }
- req_l_ = 0;
- Moment now = now_mom ();
- while (past_notes_pq_.size () && past_notes_pq_.front ().end_ < now)
- past_notes_pq_.delmin ();
-
-
- stopped_heads_.clear ();
- while (past_notes_pq_.size ()
- && past_notes_pq_.front ().end_ == now)
- stopped_heads_.push (past_notes_pq_.get ());
-
-}
-
-ADD_THIS_TRANSLATOR (Tie_engraver);
-
-CHead_melodic_tuple::CHead_melodic_tuple ()
-{
- head_l_ =0;
- req_l_ =0;
- end_ = 0;
-}
-
-CHead_melodic_tuple::CHead_melodic_tuple (Grob *h, Melodic_req*m, Moment mom)
-{
- head_l_ = h;
- req_l_ = m;
- end_ = mom;
-}
-
-/*
- signed compare, should use pitch<?
- */
-int
-CHead_melodic_tuple::pitch_compare (CHead_melodic_tuple const&h1,
- CHead_melodic_tuple const &h2)
-{
- SCM p1 = h1.req_l_->get_mus_property ("pitch");
- SCM p2 = h2.req_l_->get_mus_property ("pitch");
-
- return Pitch::compare (*unsmob_pitch (p1),
- *unsmob_pitch (p2));
-}
-
-int
-CHead_melodic_tuple::time_compare (CHead_melodic_tuple const&h1,
- CHead_melodic_tuple const &h2)
-{
- return Moment::compare(h1.end_, h2.end_);
-}
+ENTER_DESCRIPTION(Tie_engraver,
+/* descr */ "Generate ties between noteheads of equal pitch.",
+/* creats*/ "Tie TieColumn",
+/* accepts */ "tie-event",
+/* acks */ "rhythmic-head-interface",
+/* reads */ "tieMelismaBusy",
+/* write */ "");
projects / lilypond.git / blobdiff