/*
- new-chord-tremolo-engraver.cc -- implement Chord_tremolo_engraver
+ new-chord-tremolo-engraver.cc -- implement Chord_tremolo_engraver
- source file of the GNU LilyPond music typesetter
+ source file of the GNU LilyPond music typesetter
- (c) 2000--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 2000--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
- */
+*/
#include "engraver.hh"
#include "beam.hh"
/**
- This acknowledges repeated music with "tremolo" style. It typesets
- a beam.
+This acknowledges repeated music with "tremolo" style. It typesets
+a beam.
- TODO:
+TODO:
- - perhaps use engraver this to steer other engravers? That would
- create dependencies between engravers, which is bad.
+- perhaps use engraver this to steer other engravers? That would
+create dependencies between engravers, which is bad.
- - create dots if appropriate.
+- create dots if appropriate.
- - create TremoloBeam iso Beam?
+- create TremoloBeam iso Beam?
*/
class Chord_tremolo_engraver : public Engraver
{
void typeset_beam ();
- TRANSLATOR_DECLARATIONS(Chord_tremolo_engraver);
+ TRANSLATOR_DECLARATIONS (Chord_tremolo_engraver);
protected:
Repeated_music * repeat_;
{
Repeated_music * rp = dynamic_cast<Repeated_music*> (m);
if (rp
- && rp->get_mus_property ("iterator-ctor") == Chord_tremolo_iterator::constructor_proc
+ && rp->get_property ("iterator-ctor") == Chord_tremolo_iterator::constructor_proc
&& !repeat_)
{
Moment l = rp->get_length ();
void
Chord_tremolo_engraver::process_music ()
{
- if (repeat_)
+ if (repeat_ && sequential_body_b_ && !beam_)
{
- if (sequential_body_b_ && !beam_)
- {
- beam_ = make_spanner ("Beam");
- beam_->set_grob_property ("chord-tremolo", SCM_BOOL_T);
-
- SCM smp = get_property ("measurePosition");
- Moment mp
- = (unsmob_moment (smp)) ? *unsmob_moment (smp) : Moment (0);
- beam_start_location_ = mp;
- announce_grob(beam_, repeat_->self_scm());
- }
- else if (!sequential_body_b_ && !stem_tremolo_)
- {
- if (flags_)
- {
- stem_tremolo_ = make_item ("StemTremolo");
- announce_grob(stem_tremolo_, repeat_->self_scm());
- stem_tremolo_->set_grob_property ("flag-count",
- scm_int2num (flags_));
- }
- }
+ beam_ = make_spanner ("Beam", repeat_->self_scm ());
+ beam_->set_property ("chord-tremolo", SCM_BOOL_T);
+
+ beam_start_location_ = robust_scm2moment (get_property ("measurePosition"), Moment (0));
}
}
+
void
Chord_tremolo_engraver::finalize ()
{
void
Chord_tremolo_engraver::typeset_beam ()
{
- if (finished_beam_)
- {
- typeset_grob (finished_beam_);
- finished_beam_ = 0;
- }
+ finished_beam_ = 0;
}
void
{
Grob * s = info.grob_;
- if (start_mom_ == now_mom())
+ if (start_mom_ == now_mom ())
Stem::set_beaming (s, flags_, RIGHT);
else
Stem::set_beaming (s, flags_, LEFT);
if (Stem::duration_log (s) != 1)
{
- beam_->set_grob_property ("gap-count", gh_int2scm (flags_ - total_duration_flags_));
+ beam_->set_property ("gap-count", scm_int2num (flags_ - total_duration_flags_));
}
if (info.music_cause ()->is_mus_type ("rhythmic-event"))
::warning (s);
}
}
- else if (stem_tremolo_ && Stem::has_interface (info.grob_))
+ else if (repeat_ &&
+ flags_ && !sequential_body_b_ && Stem::has_interface (info.grob_))
{
- Stem_tremolo::set_stem (stem_tremolo_, info.grob_);
- stem_tremolo_->set_parent (info.grob_,X_AXIS);
+ stem_tremolo_ = make_item ("StemTremolo", repeat_->self_scm ());
+ stem_tremolo_->set_property ("flag-count",
+ scm_int2num (flags_));
+ stem_tremolo_->set_property ("stem",
+ info.grob_->self_scm ());
+ stem_tremolo_->set_parent (info.grob_, X_AXIS);
}
}
void
Chord_tremolo_engraver::stop_translation_timestep ()
{
- typeset_beam ();
-
if (stem_tremolo_)
{
- typeset_grob (stem_tremolo_);
+ repeat_ = 0;
+ if (beam_)
+ programming_error ("Huh, beam and stem tremolo?");
stem_tremolo_ = 0;
}
+
+ typeset_beam ();
}
-ENTER_DESCRIPTION(Chord_tremolo_engraver,
+ENTER_DESCRIPTION (Chord_tremolo_engraver,
/* descr */ "Generates beams for tremolo repeats.",
/* creats*/ "Beam",
/* accepts */ "repeated-music",