/*
- head-grav.cc -- part of GNU LilyPond
+ note-heads-engraver.cc -- part of GNU LilyPond
- (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
-#include "note-head.hh"
-#include "note-heads-engraver.hh"
-#include "paper-def.hh"
-#include "musical-request.hh"
-#include "dots.hh"
-#include "dot-column.hh"
+#include "engraver.hh"
+
+#include <cctype>
+using namespace std;
+
+#include "duration.hh"
+#include "item.hh"
+#include "output-def.hh"
+#include "pitch.hh"
+#include "rhythmic-head.hh"
#include "staff-symbol-referencer.hh"
+#include "stream-event.hh"
+#include "warn.hh"
+
+#include "translator.icc"
-Note_heads_engraver::Note_heads_engraver()
+class Note_heads_engraver : public Engraver
+{
+ vector<Item*> notes_;
+ vector<Stream_event*> note_evs_;
+
+public:
+ TRANSLATOR_DECLARATIONS (Note_heads_engraver);
+
+protected:
+ DECLARE_TRANSLATOR_LISTENER (note);
+ void process_music ();
+ void stop_translation_timestep ();
+};
+
+Note_heads_engraver::Note_heads_engraver ()
{
}
-bool
-Note_heads_engraver::do_try_music (Music *m)
+IMPLEMENT_TRANSLATOR_LISTENER (Note_heads_engraver, note);
+void
+Note_heads_engraver::listen_note (Stream_event *ev)
{
- if (Note_req * n =dynamic_cast <Note_req *> (m))
- {
- note_req_l_arr_.push (n);
- notes_end_pq_.insert (now_mom () + m->length_mom ());
-
- return true;
- }
- else if (Tonic_req* t = dynamic_cast<Tonic_req*> (m))
- {
- return true;
- }
- else if (Inversion_req* i = dynamic_cast<Inversion_req*> (m))
- {
- return true;
- }
- else if (Bass_req* b = dynamic_cast<Bass_req*> (m))
- {
- return true;
- }
- else if (Busy_playing_req * p = dynamic_cast<Busy_playing_req*> (m))
- {
- return notes_end_pq_.size ();
- }
- else if (Pitch_interrogate_req *p = dynamic_cast<Pitch_interrogate_req*> (m))
- {
- for (int i= note_req_l_arr_.size (); i--;)
- p->pitch_arr_.push (note_req_l_arr_[i]->pitch_); // GUH UGH UGHUGH.
- return true;
- }
- return false;
-
+ note_evs_.push_back (ev);
}
void
-Note_heads_engraver::do_process_requests()
+Note_heads_engraver::process_music ()
{
- if (note_p_arr_.size ())
- return ;
-
- SCM noteheadstyle = get_property ("noteHeadStyle", 0);
- for (int i=0; i < note_req_l_arr_.size (); i++)
- {
- Note_head *note_p = new Note_head;
+ SCM c0 = get_property ("middleCPosition");
+ SCM layout_proc = get_property("staffLineLayoutFunction");
- Staff_symbol_referencer_interface si (note_p);
- si.set_interface ();
+ for (vsize i = 0; i < note_evs_.size (); i++)
+ {
+ Stream_event *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));
+ Pitch *pit = unsmob_pitch (ev->get_property ("pitch"));
- if (note_req_l->duration_.dots_i_)
- {
- Dots * d = new Dots;
-
- Staff_symbol_referencer_interface sd (d);
- sd.set_interface ();
-
- note_p->add_dots (d);
- d->dots_i_ = note_req_l->duration_.dots_i_;
- announce_element (Score_element_info (d,0));
- dot_p_arr_.push (d);
- }
- si.set_position(note_req_l->pitch_.steps ());
+#if 0 /* TODO: should have a mechanism to switch off these warnings. */
+
+ if (!pit)
+ ev->origin ()->warning (_ ("NoteEvent without pitch"));
+#endif
+
+ int pos;
+ if (pit == 0)
+ pos = 0;
+ else if (ly_is_procedure (layout_proc)){
+ SCM pitch = ev->get_property("pitch");
+ pos = scm_to_int(scm_call_1 (layout_proc, pitch));
+ }
+ else
+ pos = pit->steps ();
+
+ if (scm_is_number (c0))
+ pos += scm_to_int(c0);
+
+ note->set_property ("staff-position", scm_from_int (pos));
/*
- TODO: transparent note heads.
- */
-
- if (gh_string_p (noteheadstyle))
+ Shape note heads change on step of the scale.
+ */
+ SCM shape_vector = get_property ("shapeNoteStyles");
+ if (scm_is_vector (shape_vector))
{
- note_p->set_elt_property ("style", noteheadstyle);
+ 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);
}
-
- Score_element_info itinf (note_p,note_req_l);
- announce_element (itinf);
- note_p_arr_.push (note_p);
- }
-}
-
-void
-Note_heads_engraver::do_pre_move_processing()
-{
- 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]);
+
+ notes_.push_back (note);
}
- dot_p_arr_.clear ();
-
- note_req_l_arr_.clear ();
}
void
-Note_heads_engraver::do_post_move_processing()
+Note_heads_engraver::stop_translation_timestep ()
{
- Moment n (now_mom ());
- while (notes_end_pq_.size () && notes_end_pq_.front () <=n)
- notes_end_pq_.get ();
+ notes_.clear ();
+ note_evs_.clear ();
}
+ADD_TRANSLATOR (Note_heads_engraver,
+ /* doc */
+ "Generate note heads.",
+ /* create */
+ "NoteHead ",
-ADD_THIS_TRANSLATOR(Note_heads_engraver);
+ /* read */
+ "middleCPosition "
+ "staffLineLayoutFunction ",
+ /* write */
+ ""
+ );
projects / lilypond.git / blobdiff