source file of the GNU LilyPond music typesetter
- (c) 1996, 1997--1999 Jan Nieuwenhuizen <janneke@gnu.org>
- */
+ (c) 1996--2007 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 "stream-event.hh"
+#include "warn.hh"
+#include "translator.icc"
-ADD_THIS_TRANSLATOR (Note_performer);
-
-Note_performer::Note_performer ()
+/**
+ Convert evs to audio notes.
+*/
+class Note_performer : public Performer
{
-}
+public:
+ TRANSLATOR_DECLARATIONS (Note_performer);
-void
-Note_performer::do_print () const
-{
-#ifndef NPRINT
- if (note_req_l_.size()>0)
- for(int i=0;i<note_req_l_.size();i++)
- note_req_l_[i]->print ();
-#endif
-}
+protected:
+ void stop_translation_timestep ();
+ void process_music ();
-void
-Note_performer::do_process_requests ()
+ DECLARE_TRANSLATOR_LISTENER (note);
+private:
+ vector<Stream_event*> note_evs_;
+ vector<Audio_note*> notes_;
+};
+
+void
+Note_performer::process_music ()
{
- if (note_req_l_.size()>0)
+ 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;
+ Pitch transposing;
+ SCM prop = get_property ("instrumentTransposition");
+ if (unsmob_pitch (prop))
+ transposing = *unsmob_pitch (prop);
+
+ while (note_evs_.size ())
+ {
+ Stream_event *n = note_evs_.back ();
+ note_evs_.pop_back ();
+ SCM pit = n->get_property ("pitch");
- while(note_req_l_.size()>0)
- play (new Audio_note (note_req_l_.pop(), transposing_i));
+ if (Pitch *pitp = unsmob_pitch (pit))
+ {
+ SCM articulations = n->get_property ("articulations");
+ Stream_event *tie_event = 0;
+ for (SCM s = articulations;
+ !tie_event && scm_is_pair (s);
+ s = scm_cdr (s))
+ {
+ Stream_event *ev = unsmob_stream_event (scm_car (s));
+ if (!ev)
+ continue;
+
+ if (ev->in_event_class ("tie-event"))
+ tie_event = ev;
+ }
+ Moment len = get_event_length (n);
+ if (now_mom().grace_part_)
+ {
+ len.grace_part_ = len.main_part_;
+ len.main_part_ = Rational (0);
+ }
+
+ Audio_note *p = new Audio_note (*pitp, len,
+ tie_event, transposing.negated ());
+ 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
+ notes_.clear ();
+ note_evs_.clear ();
+}
+
+IMPLEMENT_TRANSLATOR_LISTENER (Note_performer, note)
+void
+Note_performer::listen_note (Stream_event *ev)
+{
+ note_evs_.push_back (ev);
+}
+
+ADD_TRANSLATOR (Note_performer, "", "",
+ "", "");
+
+Note_performer::Note_performer ()
{
- if (Note_req *nr = dynamic_cast <Note_req *> (req_l))
- {
- note_req_l_.push(nr);
- return true;
- }
- return false;
}