source file of the GNU LilyPond music typesetter
- (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ (c) 1997--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "engraver.hh"
#include "translator.icc"
-/**
- Make stems upon receiving noteheads.
-*/
class Stem_engraver : public Engraver
{
Grob *stem_;
stem needs a rhythmic structure to fit it into a beam. */
stem_ = make_item ("Stem", gi.grob ()->self_scm ());
- /*
- we take the duration log from the Event, since the duration-log
- for a note head is always <= 2.
- */
- Stream_event *ev = gi.event_cause ();
- Duration *dur = unsmob_duration (ev->get_property ("duration"));
-
- stem_->set_property ("duration-log", dur ? scm_from_int (dur->duration_log ()) : 0);
-
if (tremolo_ev_)
{
/* Stem tremolo is never applied to a note by default,
else
context ()->set_property ("tremoloFlags", scm_from_int (requested_type));
+
+ /*
+ we take the duration log from the Event, since the duration-log
+ for a note head is always <= 2.
+ */
+ Stream_event *ev = gi.event_cause ();
+ Duration *dur = unsmob_duration (ev->get_property ("duration"));
+
int tremolo_flags = intlog2 (requested_type) - 2
- (dur->duration_log () > 2 ? dur->duration_log () - 2 : 0);
if (tremolo_flags <= 0)
ADD_ACKNOWLEDGER (Stem_engraver, rhythmic_head);
ADD_TRANSLATOR (Stem_engraver,
- /* doc */ "Create stems and single-stem tremolos. It also works together with "
- "the beam engraver for overriding beaming.",
+ /* doc */
+ "Create stems and single-stem tremolos. It also works"
+ " together with the beam engraver for overriding beaming.",
+
/* create */
"Stem "
"StemTremolo ",
- /* accept */ "tremolo-event",
+
/* read */
"tremoloFlags "
"stemLeftBeamCount "
"stemRightBeamCount ",
- /* write */ "");
+
+ /* write */
+ ""
+ );