/*
- head-grav.cc -- part of GNU LilyPond
+ note-heads-engraver.cc -- part of GNU LilyPond
- (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
-#include <ctype.h>
+#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 "paper-def.hh"
-#include "musical-request.hh"
-#include "dots.hh"
-#include "dot-column.hh"
#include "staff-symbol-referencer.hh"
-#include "item.hh"
-#include "engraver.hh"
+#include "stream-event.hh"
#include "warn.hh"
-/**
- make balls and rests
- */
+#include "translator.icc"
+
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_;
+ vector<Item*> notes_;
+ vector<Stream_event*> note_evs_;
public:
- TRANSLATOR_DECLARATIONS(Note_heads_engraver);
+ TRANSLATOR_DECLARATIONS (Note_heads_engraver);
protected:
- virtual void start_translation_timestep ();
- virtual bool try_music (Music *req_l) ;
- virtual void process_music ();
-
- virtual void stop_translation_timestep ();
-
-private:
- bool in_ligature;
+ DECLARE_TRANSLATOR_LISTENER (note);
+ void process_music ();
+ void stop_translation_timestep ();
};
-Note_heads_engraver::Note_heads_engraver()
+Note_heads_engraver::Note_heads_engraver ()
{
- in_ligature = 0;
}
-bool
-Note_heads_engraver::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);
- return true;
- }
- else if (dynamic_cast<Busy_playing_req*> (m))
- {
- return note_req_l_arr_.size ();
- }
- else if (Span_req *req_ = dynamic_cast<Span_req*> (m))
- {
- if (scm_equal_p (req_->get_mus_property ("span-type"),
- ly_str02scm ("abort")) == SCM_BOOL_T)
- {
- in_ligature = 0;
- }
- else if (scm_equal_p (req_->get_mus_property ("span-type"),
- ly_str02scm ("ligature")) == SCM_BOOL_T)
- {
- in_ligature = (req_->get_span_dir () == START);
- }
- }
-
- return false;
+ note_evs_.push_back (ev);
}
-
void
Note_heads_engraver::process_music ()
{
- for (int i=0; i < note_req_l_arr_.size (); i++)
+ SCM c0 = get_property ("middleCPosition");
+ SCM layout_proc = get_property("staffLineLayoutFunction");
+
+ for (vsize i = 0; i < note_evs_.size (); i++)
{
- Item *note_p =
- new Item (get_property ((in_ligature) ? "LigatureHead" : "NoteHead"));
+ Stream_event *ev = note_evs_[i];
+ Item *note = make_item ("NoteHead", ev->self_scm ());
- Music * req = note_req_l_arr_[i];
-
- Duration dur = *unsmob_duration (req->get_mus_property ("duration"));
+ Pitch *pit = unsmob_pitch (ev->get_property ("pitch"));
- note_p->set_grob_property ("duration-log", gh_int2scm (dur.duration_log ()));
+#if 0 /* TODO: should have a mechanism to switch off these warnings. */
- if (dur.dot_count ())
- {
- Item * d = new Item (get_property ("Dots"));
- Rhythmic_head::set_dots (note_p, d);
-
- if (dur.dot_count ()
- != gh_scm2int (d->get_grob_property ("dot-count")))
- d->set_grob_property ("dot-count", gh_int2scm (dur.dot_count ()));
-
- d->set_parent (note_p, Y_AXIS);
- announce_grob (d, SCM_EOL);
- dot_p_arr_.push (d);
- }
+ 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 ();
- Pitch *pit =unsmob_pitch (req->get_mus_property ("pitch"));
+ if (scm_is_number (c0))
+ pos += scm_to_int(c0);
+
+ note->set_property ("staff-position", scm_from_int (pos));
- int pos = pit->steps ();
- SCM c0 = get_property ("centralCPosition");
- if (gh_number_p (c0))
- pos += gh_scm2int (c0);
+ /*
+ 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);
+ }
- note_p->set_grob_property ("staff-position", gh_int2scm (pos));
- announce_grob (note_p,req->self_scm());
- note_p_arr_.push (note_p);
+ notes_.push_back (note);
}
}
void
Note_heads_engraver::stop_translation_timestep ()
{
- for (int i=0; i < note_p_arr_.size (); i++)
- {
- typeset_grob (note_p_arr_[i]);
- }
-
- note_p_arr_.clear ();
- for (int i=0; i < dot_p_arr_.size (); i++)
- {
- typeset_grob (dot_p_arr_[i]);
- }
- dot_p_arr_.clear ();
-
- note_req_l_arr_.clear ();
+ notes_.clear ();
+ note_evs_.clear ();
}
-void
-Note_heads_engraver::start_translation_timestep ()
-{
+ADD_TRANSLATOR (Note_heads_engraver,
+ /* doc */
+ "Generate note heads.",
+ /* create */
+ "NoteHead ",
-}
-
+ /* read */
+ "middleCPosition "
+ "staffLineLayoutFunction ",
-ENTER_DESCRIPTION(Note_heads_engraver,
-/* descr */ "Generate one or more noteheads from Music of type Note_req.",
-/* creats*/ "NoteHead Dots",
-/* acks */ "",
-/* reads */ "centralCPosition",
-/* write */ "");
+ /* write */
+ ""
+ );
projects / lilypond.git / blobdiff