source file of the GNU LilyPond music typesetter
- (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "staff-symbol-referencer.hh"
#include "rhythmic-head.hh"
#include "stem.hh"
-#include "musical-request.hh"
+#include "event.hh"
#include "misc.hh"
#include "stem-tremolo.hh"
#include "item.hh"
private:
Grob *stem_;
Grob *tremolo_;
- Rhythmic_req *rhythmic_req_;
- Tremolo_req* tremolo_req_;
+ Music *rhythmic_ev_;
+ Music* tremolo_ev_;
};
Stem_engraver::Stem_engraver ()
{
- tremolo_req_ = 0;
+ tremolo_ev_ = 0;
stem_ = 0;
tremolo_ = 0;
- rhythmic_req_ =0;
+ rhythmic_ev_ =0;
}
/* Reverted to the old method so chord tremolos work again. /MB
*/
int duration_log = 0;
- Rhythmic_req *rhythmic_req = dynamic_cast <Rhythmic_req *> (i.music_cause ());
- if (rhythmic_req)
- duration_log = unsmob_duration (rhythmic_req->get_mus_property ("duration"))-> duration_log ();
+
+ Music * m = i.music_cause ();
+ if (m->is_mus_type ("rhythmic-event"))
+ duration_log = unsmob_duration (m->get_mus_property ("duration"))-> duration_log ();
if (!stem_)
{
stem_->set_grob_property ("duration-log", gh_int2scm (duration_log));
- if (tremolo_req_)
+ if (tremolo_ev_)
{
/*
Stem tremolo is never applied to a note by default,
- is must me requested. But there is a default for the
+ is must me evuested. But there is a default for the
tremolo value:
c4:8 c c:
the first and last (quarter) note bothe get one tremolo flag.
*/
- int requested_type = gh_scm2int (tremolo_req_->get_mus_property ("tremolo-type"));
+ int evuested_type = gh_scm2int (tremolo_ev_->get_mus_property ("tremolo-type"));
SCM f = get_property ("tremoloFlags");
- if (!requested_type && gh_number_p (f))
- requested_type = gh_scm2int (f);
+ if (!evuested_type)
+ if (gh_number_p (f))
+ evuested_type = gh_scm2int (f);
+ else
+ evuested_type = 8;
else
- daddy_trans_->set_property ("tremoloFlags", gh_int2scm (requested_type));
+ daddy_trans_->set_property ("tremoloFlags", gh_int2scm (evuested_type));
- int tremolo_flags = intlog2 (requested_type) - 2
+ int tremolo_flags = intlog2 (evuested_type) - 2
- (duration_log > 2 ? duration_log - 2 : 0);
if (tremolo_flags <= 0)
{
- tremolo_req_->origin()->warning (_("tremolo duration is too long"));
+ tremolo_ev_->origin()->warning (_("tremolo duration is too long"));
tremolo_flags = 0;
}
if (tremolo_flags)
{
tremolo_ = new Item (get_property ("StemTremolo"));
- announce_grob(tremolo_, tremolo_req_->self_scm());
+ announce_grob(tremolo_, tremolo_ev_->self_scm());
/*
The number of tremolo flags is the number of flags of
the tremolo-type minus the number of flags of the note
itself.
*/
- tremolo_->set_grob_property ("flag-count",
- gh_int2scm (tremolo_flags));
+ tremolo_->set_grob_property ("flag-count",
+ gh_int2scm (tremolo_flags));
tremolo_->set_parent (stem_, X_AXIS);
+ stem_->set_grob_property ("tremolo-flag", tremolo_->self_scm ());
}
}
if (Stem::duration_log (stem_) != duration_log)
{
- i.music_cause ()->origin ()->warning (_f ("Adding note head to incompatible stem (type = %d)", 1 << Stem::duration_log (stem_)));
+ i.music_cause ()->origin ()->warning (_f ("Adding note head to incompatible stem (type = %d)", 1 << Stem::duration_log (stem_))
+ + _f ("Don't you want polyphonic voices instead?")
+ );
}
Stem::add_head (stem_,h);
}
- tremolo_req_ = 0;
+ tremolo_ev_ = 0;
}
bool
Stem_engraver::try_music (Music* r)
{
- if (Tremolo_req* a = dynamic_cast <Tremolo_req *> (r))
+ if (r->is_mus_type ("tremolo-event"))
{
- tremolo_req_ = a;
+ tremolo_ev_ = r;
return true;
}
return false;
}
ENTER_DESCRIPTION(Stem_engraver,
-/* descr */ "Create stems and single-stem tremolos. It also works together with
-the beam engraver for overriding beaming.",
+/* descr */ "Create stems and single-stem tremolos. It also works together with "
+"the beam engraver for overriding beaming.",
/* creats*/ "Stem StemTremolo",
-/* acks */ "rhythmic-head-interface",
+/* accepts */ "tremolo-event",
+/* acks */ "rhythmic-head-interface",
/* reads */ "tremoloFlags stemLeftBeamCount stemRightBeamCount",
/* write */ "");