-/*
- tie-reg.cc -- implement Tie_engraver
-
+/*
+ ctie-engraver.cc -- implement Tie_engraver
+
source file of the GNU LilyPond music typesetter
-
- (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- essentially obsolete.
-*/
+ (c) 1998--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+
+ */
#include "tie-engraver.hh"
-#include "tie.hh"
+#include "command-request.hh"
#include "note-head.hh"
#include "musical-request.hh"
-#include "music-list.hh"
+#include "tie.hh"
+#include "translator-group.hh"
Tie_engraver::Tie_engraver()
{
- end_tie_p_ = 0;
- tie_p_ = 0;
- req_l_ =0;
- end_req_l_ =0;
- end_mom_ = -1;
- melodic_req_l_ = 0;
- end_melodic_req_l_ =0;
- dir_ = CENTER;
+ req_l_ = 0;
}
-void
-Tie_engraver::do_post_move_processing()
+
+bool
+Tie_engraver::do_try_music (Music *m)
{
- if (tie_p_ && now_moment () == end_mom_)
+ if (Tie_req * c = dynamic_cast<Tie_req*> (m))
{
- end_tie_p_ = tie_p_;
- end_req_l_ = req_l_;
- end_melodic_req_l_ = melodic_req_l_;
- tie_p_ =0;
- req_l_ =0;
- end_mom_ = -1;
+ req_l_ = c;
+ SCM m = get_property ("automaticMelismata",0);
+ bool am = gh_boolean_p (m) &&gh_scm2bool (m);
+ if (am)
+ {
+ set_melisma (true);
+ }
+ return true;
}
+ return false;
}
-bool
-Tie_engraver::do_try_request (Request*r)
+void
+Tie_engraver::set_melisma (bool m)
{
- if (! (r->access_Musical_req () && r->access_Musical_req ()->access_Tie_req ()))
- return false;
-
- if (req_l_)
- {
- return false;
- }
- req_l_ = r->access_Musical_req ()->access_Tie_req ();
- end_mom_ = r->parent_music_l_->time_int().length ()
- + now_moment ();
- return true;
+ Translator_group *where = daddy_trans_l_;
+ get_property ("tieMelismaBusy", &where);
+ if (!where)
+ where = daddy_trans_l_;
+
+ daddy_trans_l_->set_property ("tieMelismaBusy", m ? SCM_BOOL_T : SCM_BOOL_F);
}
void
-Tie_engraver::do_process_requests()
+Tie_engraver::acknowledge_element (Score_element_info i)
{
- Scalar dir (get_property ("tieydirection"));
- Scalar dir2 (get_property ("ydirection"));
- if (!dir.length_i () && dir2.length_i ())
+ if (Note_head *nh = dynamic_cast<Note_head *> (i.elem_l_))
{
- dir_ = (Direction) int(dir2);
+ Note_req * m = dynamic_cast<Note_req* > (i.req_l_);
+ if (!m)
+ return;
+ now_heads_.push (CHead_melodic_tuple (nh, m, now_mom()+ m->length_mom ()));
}
- else if (dir.length_i ())
- dir_ = (Direction) int (dir);
-
- if (req_l_ && ! tie_p_)
+}
+
+void
+Tie_engraver::do_process_requests ()
+{
+ if (req_l_)
{
- tie_p_ = new Tie;
- Scalar prop = get_property ("tiedash");
- if (prop.isnum_b ())
- tie_p_->dash_i_ = prop;
+ Moment now = now_mom ();
+ Link_array<Note_head> nharr;
+
+ stopped_heads_.clear ();
+ while (past_notes_pq_.size ()
+ && past_notes_pq_.front ().end_ == now)
+ stopped_heads_.push (past_notes_pq_.get ());
}
}
void
-Tie_engraver::acknowledge_element (Score_element_info i)
+Tie_engraver::process_acknowledged ()
{
- if (i.elem_l_->is_type_b (Note_head::static_name ()))
+ if (req_l_)
{
- if (tie_p_)
+ now_heads_.sort (CHead_melodic_tuple::pitch_compare);
+ stopped_heads_.sort(CHead_melodic_tuple::pitch_compare);
+ int i=0;
+ int j=0;
+ int tie_count=0;
+ while ( i < now_heads_.size () && j < stopped_heads_.size ())
{
- tie_p_->set_head (LEFT, (Note_head*)i.elem_l_->access_Item ());
- melodic_req_l_ = i.req_l_->access_Musical_req ()->access_Melodic_req ();
+ int comp
+ = Musical_pitch::compare (now_heads_[i].req_l_->pitch_ ,
+ stopped_heads_[j].req_l_->pitch_);
+
+ if (comp)
+ {
+ (comp < 0) ? i ++ : j++;
+ continue;
+ }
+ else
+ {
+ tie_count ++;
+
+ /* don't go around recreating ties that were already
+ made. Not infallible. Due to reordering in sort (),
+ we will make the wrong ties when noteheads are
+ added. */
+ if (tie_count > tie_p_arr_.size ())
+ {
+ Tie * p = new Tie;
+ p->set_head (LEFT, stopped_heads_[j].head_l_);
+ p->set_head (RIGHT, now_heads_[i].head_l_);
+ tie_p_arr_.push (p);
+ announce_element (Score_element_info (p, req_l_));
+ }
+ i++;
+ j++;
+
+ }
}
- if (end_tie_p_)
+ if (!tie_p_arr_.size ())
{
- end_tie_p_->set_head (RIGHT, (Note_head*)i.elem_l_->access_Item ());
- if (!Melodic_req::compare (*end_melodic_req_l_, *melodic_req_l_))
- end_tie_p_->same_pitch_b_ = true;
- announce_element (Score_element_info (end_tie_p_,end_req_l_));
+ req_l_->warning (_ ("No ties were created!"));
}
+
}
}
+
void
-Tie_engraver::do_pre_move_processing()
+Tie_engraver::do_pre_move_processing ()
{
- if (end_tie_p_)
+ for (int i=0; i < now_heads_.size (); i++)
{
- if (dir_)
- end_tie_p_->dir_ = dir_;
+ past_notes_pq_.insert (now_heads_[i]);
+ }
+ now_heads_.clear ();
+
+ SCM dir (get_property ("tieVerticalDirection", 0));
+ SCM dir2 (get_property ("verticalDirection", 0));
- typeset_element (end_tie_p_);
- end_tie_p_ =0;
- end_req_l_ =0;
+ Direction tie_dir = CENTER;
+ if (gh_number_p(dir))
+ tie_dir = to_dir (dir);
+ else if (isdir_b (dir2))
+ tie_dir = to_dir (dir2);
+
+ for (int i=0; i< tie_p_arr_.size (); i++)
+ {
+ tie_p_arr_[i]->set_direction (tie_dir);
+ typeset_element (tie_p_arr_[i]);
}
+ tie_p_arr_.clear ();
}
void
-Tie_engraver::do_removal_processing ()
+Tie_engraver::do_post_move_processing ()
{
- do_pre_move_processing ();
- if (tie_p_)
+ SCM m = get_property ("automaticMelismata",0);
+ if (gh_boolean_p (m) && gh_scm2bool (m))
{
- req_l_->warning (_ ("lonely tie"));
- tie_p_->unlink ();
- delete tie_p_;
- tie_p_ =0;
+ 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 ();
}
+ADD_THIS_TRANSLATOR(Tie_engraver);
-IMPLEMENT_IS_TYPE_B1(Tie_engraver,Engraver);
-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 (Note_head *h, Melodic_req*m, Moment mom)
+{
+ head_l_ = h;
+ req_l_ = m;
+ end_ = mom;
+}
+
+int
+CHead_melodic_tuple::pitch_compare (CHead_melodic_tuple const&h1,
+ CHead_melodic_tuple const &h2)
+{
+ return Melodic_req::compare (*h1.req_l_, *h2.req_l_);
+}
+
+int
+CHead_melodic_tuple::time_compare (CHead_melodic_tuple const&h1,
+ CHead_melodic_tuple const &h2)
+{
+ return (h1.end_ - h2.end_ ).sign ();
+}
projects / lilypond.git / blobdiff