/*
- head-grav.cc -- part of GNU LilyPond
+ note-heads-engraver.cc -- part of GNU LilyPond
- (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
-#include "rhythmic-head.hh"
#include "engraver.hh"
-#include "paper-def.hh"
-#include "musical-request.hh"
+
+#include <cctype>
+using namespace std;
+
+#include "rhythmic-head.hh"
+#include "output-def.hh"
#include "dots.hh"
#include "dot-column.hh"
#include "staff-symbol-referencer.hh"
-#include "engraver.hh"
-#include "pqueue.hh"
#include "item.hh"
+#include "warn.hh"
+#include "duration.hh"
-/**
- make balls and rests
- */
class Note_heads_engraver : public Engraver
{
- Link_array<Item> note_p_arr_;
- Link_array<Item> dot_p_arr_;
- Link_array<Note_req> note_req_l_arr_;
- Moment note_end_mom_;
+ vector<Item*> notes_;
+ vector<Item*> dots_;
+ vector<Music*> note_evs_;
+
public:
- VIRTUAL_COPY_CONS(Translator);
- Note_heads_engraver();
-
+ TRANSLATOR_DECLARATIONS (Note_heads_engraver);
+
protected:
- virtual bool do_try_music (Music *req_l) ;
- virtual void do_process_music();
- virtual void do_pre_move_processing();
+ virtual bool try_music (Music *ev);
+ void process_music ();
+ void stop_translation_timestep ();
};
-
-
-
-
-Note_heads_engraver::Note_heads_engraver()
+Note_heads_engraver::Note_heads_engraver ()
{
}
bool
-Note_heads_engraver::do_try_music (Music *m)
+Note_heads_engraver::try_music (Music *m)
{
- if (Note_req * n =dynamic_cast <Note_req *> (m))
+ if (m->is_mus_type ("note-event"))
{
- note_req_l_arr_.push (n);
- note_end_mom_ = note_end_mom_ >? now_mom () + m->length_mom ();
-
+ note_evs_.push_back (m);
return true;
}
- else if ( dynamic_cast<Tonic_req*> (m))
- {
- return true;
- }
- else if ( dynamic_cast<Inversion_req*> (m))
- {
- return true;
- }
- else if (dynamic_cast<Bass_req*> (m))
- {
- return true;
- }
- else if (dynamic_cast<Busy_playing_req*> (m))
- {
- return now_mom () < note_end_mom_;
- }
+ else if (m->is_mus_type ("busy-playing-event"))
+ return note_evs_.size ();
+
return false;
-
}
void
-Note_heads_engraver::do_process_music()
+Note_heads_engraver::process_music ()
{
- if (note_p_arr_.size ())
- return ;
-
- for (int i=0; i < note_req_l_arr_.size (); i++)
+ for (vsize i = 0; i < note_evs_.size (); i++)
{
- Item *note_p = new Item (get_property ("NoteHead"));
-
- Staff_symbol_referencer::set_interface (note_p);
-
+ Music *ev = note_evs_[i];
+ Item *note = make_item ("NoteHead", ev->self_scm ());
-
- Note_req * note_req_l = note_req_l_arr_[i];
-
- note_p->set_elt_property ("duration-log",
- gh_int2scm (note_req_l->duration_.durlog_i_ <? 2));
+ Duration dur = *unsmob_duration (ev->get_property ("duration"));
- if (note_req_l->duration_.dots_i_)
+ note->set_property ("duration-log", scm_from_int (dur.duration_log ()));
+ if (dur.dot_count ())
{
- Item * d = new Item (get_property ("Dots"));
- Rhythmic_head::set_dots (note_p, d);
-
- if (note_req_l->duration_.dots_i_
- != gh_scm2int (d->get_elt_property ("dot-count")))
- d->set_elt_property ("dot-count", gh_int2scm (note_req_l->duration_.dots_i_));
-
- d->set_parent (note_p, Y_AXIS);
- announce_element (d,0);
- dot_p_arr_.push (d);
+ Item *d = make_item ("Dots", note->self_scm ());
+ Rhythmic_head::set_dots (note, d);
+
+ if (dur.dot_count ()
+ != robust_scm2int (d->get_property ("dot-count"), 0))
+ d->set_property ("dot-count", scm_from_int (dur.dot_count ()));
+
+ d->set_parent (note, Y_AXIS);
+
+ dots_.push_back (d);
}
- note_p->set_elt_property("staff-position", gh_int2scm (note_req_l->pitch_.steps ()));
+ Pitch *pit = unsmob_pitch (ev->get_property ("pitch"));
+
+#if 0 /* TODO: should have a mechanism to switch off these warnings. */
- announce_element (note_p,note_req_l);
- note_p_arr_.push (note_p);
+ if (!pit)
+ ev->origin ()->warning (_ ("NoteEvent without pitch"));
+#endif
+
+ int pos = pit ? pit->steps () : 0;
+ SCM c0 = get_property ("middleCPosition");
+ if (scm_is_number (c0))
+ pos += scm_to_int (c0);
+
+ note->set_property ("staff-position", scm_from_int (pos));
+
+ /*
+ Shape note heads change on step of the scale.
+ */
+ SCM shape_vector = get_property ("shapeNoteStyles");
+ if (scm_is_vector (shape_vector))
+ {
+ SCM scm_tonic = get_property ("tonic");
+ Pitch tonic (0, 0, 0);
+ if (unsmob_pitch (scm_tonic))
+ tonic = *unsmob_pitch (scm_tonic);
+
+ unsigned int delta = (pit->get_notename () - tonic.get_notename () + 7) % 7;
+
+ SCM style = SCM_EOL;
+ if (scm_c_vector_length (shape_vector) > delta
+ && scm_is_symbol (scm_vector_ref (shape_vector, scm_from_int (delta))))
+ style = scm_vector_ref (shape_vector, scm_from_int (delta));
+ if (scm_is_symbol (style))
+ note->set_property ("style", style);
+ }
+
+ notes_.push_back (note);
}
}
-
+
void
-Note_heads_engraver::do_pre_move_processing()
+Note_heads_engraver::stop_translation_timestep ()
{
- for (int i=0; i < note_p_arr_.size (); i++)
- {
- typeset_element (note_p_arr_[i]);
- }
- note_p_arr_.clear ();
- for (int i=0; i < dot_p_arr_.size (); i++)
- {
- typeset_element (dot_p_arr_[i]);
- }
- dot_p_arr_.clear ();
-
- note_req_l_arr_.clear ();
+ notes_.clear ();
+ dots_.clear ();
+ note_evs_.clear ();
}
-
-
-
-ADD_THIS_TRANSLATOR(Note_heads_engraver);
-
+#include "translator.icc"
+
+ADD_TRANSLATOR (Note_heads_engraver,
+ /* doc */ "Generate noteheads.",
+ /* create */
+ "NoteHead "
+ "Dots",
+ /* accept */
+ "note-event "
+ "busy-playing-event",
+ /* read */ "middleCPosition",
+ /* write */ "");
projects / lilypond.git / blobdiff