-/*
- new-tie-engraver.cc -- implement Tie_engraver
-
+/*
+ tie-engraver.cc -- implement Tie_engraver
+
source file of the GNU LilyPond music typesetter
-
+
(c) 1998--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+*/
#include "tie.hh"
#include "context.hh"
Grob *head_;
SCM tie_definition_;
Music *event_;
- Head_event_tuple()
+ Head_event_tuple ()
{
}
- Head_event_tuple(Grob *h, Music *m, SCM def)
+ Head_event_tuple (Grob *h, Music *m, SCM def)
{
head_ = h;
event_ = m;
Link_array<Grob> now_heads_;
Array<Head_event_tuple> heads_to_tie_;
Link_array<Grob> ties_;
-
- Spanner * tie_column_;
-
+
+ Spanner *tie_column_;
+
protected:
- virtual void stop_translation_timestep ();
+ void stop_translation_timestep ();
virtual void derived_mark () const;
- virtual void start_translation_timestep ();
- virtual void acknowledge_grob (Grob_info);
- virtual bool try_music (Music*);
- virtual void process_music ();
- void typeset_tie (Grob*);
+ void start_translation_timestep ();
+ DECLARE_ACKNOWLEDGER (note_head);
+ virtual bool try_music (Music *);
+ void process_music ();
+ void typeset_tie (Grob *);
public:
TRANSLATOR_DECLARATIONS (Tie_engraver);
};
-
void
Tie_engraver::derived_mark () const
{
Engraver::derived_mark ();
- for (int i = 0; i < heads_to_tie_.size(); i++)
+ for (int i = 0; i < heads_to_tie_.size (); i++)
scm_gc_mark (heads_to_tie_[i].tie_definition_);
}
tie_column_ = 0;
}
-
bool
Tie_engraver::try_music (Music *mus)
{
{
event_ = mus;
}
-
+
return true;
}
}
void
-Tie_engraver::acknowledge_grob (Grob_info i)
+Tie_engraver::acknowledge_note_head (Grob_info i)
{
- if (Note_head::has_interface (i.grob_))
+ Grob *h = i.grob ();
+ now_heads_.push (h);
+ for (int i = heads_to_tie_.size (); i--;)
{
- Grob * h = i.grob_;
- now_heads_.push (h);
- for (int i = heads_to_tie_.size (); i--;)
+ Grob *th = heads_to_tie_[i].head_;
+ Music *right_mus = unsmob_music (h->get_property ("cause"));
+ Music *left_mus = unsmob_music (th->get_property ("cause"));
+
+ /*
+ maybe should check positions too.
+ */
+ if (right_mus && left_mus
+ && ly_is_equal (right_mus->get_property ("pitch"),
+ left_mus->get_property ("pitch")))
{
- Grob *th = heads_to_tie_[i].head_;
- Music * right_mus = unsmob_music (h->get_property ("cause"));
- Music * left_mus = unsmob_music (th->get_property ("cause"));
-
- /*
- maybe should check positions too.
- */
- if (right_mus && left_mus
- && ly_c_equal_p (right_mus->get_property ("pitch"),
- left_mus->get_property ("pitch")))
- {
- Grob * p = new Spanner (heads_to_tie_[i].tie_definition_,
- context()->get_grob_key ("Tie"));
- announce_grob (p, heads_to_tie_[i].event_->self_scm ());
- Tie::set_interface (p); // cannot remove yet!
-
- Tie::set_head (p, LEFT, th);
- Tie::set_head (p, RIGHT, h);
-
- ties_.push (p);
- heads_to_tie_.del (i);
- }
- }
+ Grob *p = new Spanner (heads_to_tie_[i].tie_definition_,
+ context ()->get_grob_key ("Tie"));
+ announce_grob (p, heads_to_tie_[i].event_->self_scm ());
+ Tie::set_interface (p); // cannot remove yet!
- if (ties_.size () && ! tie_column_)
- {
- tie_column_ = make_spanner ("TieColumn", ties_[0]->self_scm ());
+ Tie::set_head (p, LEFT, th);
+ Tie::set_head (p, RIGHT, h);
+
+ ties_.push (p);
+ heads_to_tie_.del (i);
}
+ }
- if (tie_column_)
- for (int i = ties_.size (); i--;)
- Tie_column::add_tie (tie_column_, ties_ [i]);
+ if (ties_.size () && ! tie_column_)
+ {
+ tie_column_ = make_spanner ("TieColumn", ties_[0]->self_scm ());
}
+
+ if (tie_column_)
+ for (int i = ties_.size (); i--;)
+ Tie_column::add_tie (tie_column_, ties_[i]);
}
void
{
context ()->set_property ("tieMelismaBusy",
ly_bool2scm (heads_to_tie_.size ()));
-
}
void
{
heads_to_tie_.clear ();
}
-
- for (int i = 0; i< ties_.size (); i++)
+
+ for (int i = 0; i < ties_.size (); i++)
{
typeset_tie (ties_[i]);
}
ties_.clear ();
tie_column_ = 0;
}
-
+
if (event_)
{
SCM start_definition
= updated_grob_properties (context (), ly_symbol2scm ("Tie"));
if (!to_boolean (get_property ("tieWaitForNote")))
- heads_to_tie_.clear();
+ heads_to_tie_.clear ();
- for (int i = 0; i < now_heads_.size(); i++)
+ for (int i = 0; i < now_heads_.size (); i++)
{
heads_to_tie_.push (Head_event_tuple (now_heads_[i], event_,
- start_definition
- ));
- }
+ start_definition));
+ }
}
-
+
event_ = 0;
now_heads_.clear ();
}
Direction d = LEFT;
Drul_array<Grob *> new_head_drul;
new_head_drul[LEFT] = Tie::head (her, LEFT);
- new_head_drul[RIGHT] = Tie::head (her, RIGHT);
- do {
- if (!Tie::head (her, d))
- new_head_drul[d] = Tie::head (her, (Direction)-d);
- } while (flip (&d) != LEFT);
+ new_head_drul[RIGHT] = Tie::head (her, RIGHT);
+ do
+ {
+ if (!Tie::head (her, d))
+ new_head_drul[d] = Tie::head (her, (Direction) - d);
+ }
+ while (flip (&d) != LEFT);
index_set_cell (her->get_property ("head-pair"), LEFT, new_head_drul[LEFT]->self_scm ());
index_set_cell (her->get_property ("head-pair"), RIGHT, new_head_drul[RIGHT]->self_scm ());
-
}
-
+#include "translator.icc"
+ADD_ACKNOWLEDGER (Tie_engraver, note_head);
ADD_TRANSLATOR (Tie_engraver,
-/* descr */ "Generate ties between noteheads of equal pitch.",
-/* creats*/ "Tie TieColumn",
-/* accepts */ "tie-event",
-/* acks */ "rhythmic-head-interface",
-/* reads */ "tieMelismaBusy",
-/* write */ "");
+ /* descr */ "Generate ties between noteheads of equal pitch.",
+ /* creats*/ "Tie TieColumn",
+ /* accepts */ "tie-event",
+ /* reads */ "tieMelismaBusy",
+ /* write */ "");
projects / lilypond.git / blobdiff