source file of the GNU LilyPond music typesetter
- (c) 1996, 1997--1998 Jan Nieuwenhuizen <janneke@gnu.org>
- */
+ (c) 1996--2006 Jan Nieuwenhuizen <janneke@gnu.org>
+*/
-#include "note-performer.hh"
-#include "musical-request.hh"
+#include "performer.hh"
#include "audio-item.hh"
-#include "debug.hh"
+#include "audio-column.hh"
+#include "global-context.hh"
+#include "warn.hh"
+#include "music.hh"
+/**
+ Convert evs to audio notes.
+*/
+class Note_performer : public Performer
+{
+public:
+ TRANSLATOR_DECLARATIONS (Note_performer);
-ADD_THIS_TRANSLATOR (Note_performer);
+protected:
+ virtual bool try_music (Music *ev);
-Note_performer::Note_performer ()
-{
- note_req_l_ = 0;
-}
+ void stop_translation_timestep ();
+ void process_music ();
-void
-Note_performer::do_print () const
-{
-#ifndef NPRINT
- if (note_req_l_)
- note_req_l_->print ();
-#endif
-}
+private:
+ vector<Music*> note_evs_;
+ vector<Audio_note*> notes_;
+};
-void
-Note_performer::do_process_requests ()
+void
+Note_performer::process_music ()
{
- if (note_req_l_)
+ if (note_evs_.size ())
{
- int transposing_i = 0;
- //urg
- Scalar prop = get_property ("transposing", 0);
- if (!prop.empty_b () && prop.isnum_b ())
- transposing_i = prop;
+ int transposing = 0;
+ SCM prop = get_property ("instrumentTransposition");
+ if (unsmob_pitch (prop))
+ transposing = unsmob_pitch (prop)->semitone_pitch ();
- play (new Audio_note (note_req_l_, transposing_i));
+ while (note_evs_.size ())
+ {
+ Music *n = note_evs_.back ();
+ note_evs_.pop_back ();
+ SCM pit = n->get_property ("pitch");
- note_req_l_ = 0;
+ if (Pitch *pitp = unsmob_pitch (pit))
+ {
+ Audio_note *p = new Audio_note (*pitp, n->get_length (), - transposing);
+ Audio_element_info info (p, n);
+ announce_element (info);
+ notes_.push_back (p);
+ }
+ }
+ note_evs_.clear ();
}
}
-bool
-Note_performer::do_try_music (Music* req_l)
+void
+Note_performer::stop_translation_timestep ()
+{
+ // why don't grace notes show up here?
+ // --> grace notes effectively do not get delayed
+ Moment now = now_mom ();
+ for (vsize i = 0; i < notes_.size (); i++)
+ play_element (notes_[i]);
+ notes_.clear ();
+ note_evs_.clear ();
+}
+
+bool
+Note_performer::try_music (Music *ev)
{
- if (note_req_l_)
- return false;
-
- if (Note_req *nr = dynamic_cast <Note_req *> (req_l))
+ if (ev->is_mus_type ("note-event"))
{
- note_req_l_ = nr;
+ note_evs_.push_back (ev);
return true;
}
+ else if (ev->is_mus_type ("busy-playing-event"))
+ return note_evs_.size ();
+
return false;
}
+
+#include "translator.icc"
+
+ADD_TRANSLATOR (Note_performer, "", "",
+ "note-event "
+ "busy-playing-event",
+ "", "");
+
+Note_performer::Note_performer ()
+{
+}