source file of the GNU LilyPond music typesetter
- (c) 1999--2006 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 1999--2009 Jan Nieuwenhuizen <janneke@gnu.org>
*/
#include "bar-line.hh"
protected:
void stop_translation_timestep ();
- void start_translation_timestep ();
void process_music ();
virtual void finalize ();
virtual void derived_mark () const;
Moment beam_start_moment_;
Moment beam_start_location_;
- bool subdivide_beams_;
- Moment beat_length_;
-
// We act as if beam were created, and start a grouping anyway.
Beaming_pattern *grouping_;
SCM beam_settings_;
Beaming_pattern *finished_grouping_;
+
+ Beaming_options beaming_options_;
+ Beaming_options finished_beaming_options_;
+
+
void check_bar_property ();
};
void
Auto_beam_engraver::process_music ()
{
+ /*
+ don't beam over skips
+ */
+ if (stems_)
+ {
+ Moment now = now_mom ();
+ if (extend_mom_ < now)
+ end_beam ();
+ }
+
if (scm_is_string (get_property ("whichBar")))
{
consider_end (shortest_mom_);
void
Auto_beam_engraver::listen_beam_forbid (Stream_event *ev)
{
- forbid_ = ev;
+ ASSIGN_EVENT_ONCE (forbid_, ev);
}
bool
return 0;
/*
- Can't use make_spanner_from_properties() because we have to use
+ Can't use make_spanner_from_properties () because we have to use
beam_settings_.
*/
- Spanner *beam = new Spanner (beam_settings_,
- context ()->get_grob_key ("Beam"));
+ Spanner *beam = new Spanner (beam_settings_);
for (vsize i = 0; i < stems_->size (); i++)
Beam::add_stem (beam, (*stems_)[i]);
stems_ = new vector<Item*>;
grouping_ = new Beaming_pattern ();
+ beaming_options_.from_context (context ());
beam_settings_ = updated_grob_properties (context (), ly_symbol2scm ("Beam"));
beam_start_moment_ = now_mom ();
else
{
finished_beam_ = create_beam ();
+
if (finished_beam_)
- finished_grouping_ = grouping_;
+ {
+ announce_end_grob (finished_beam_, SCM_EOL);
+ finished_grouping_ = grouping_;
+ finished_beaming_options_ = beaming_options_;
+ }
delete stems_;
stems_ = 0;
grouping_ = 0;
if (!finished_beam_->get_bound (RIGHT))
finished_beam_->set_bound (RIGHT, finished_beam_->get_bound (LEFT));
- finished_grouping_->beamify (context ());
+ finished_grouping_->beamify (finished_beaming_options_);
Beam::set_beaming (finished_beam_, finished_grouping_);
finished_beam_ = 0;
}
}
-void
-Auto_beam_engraver::start_translation_timestep ()
-{
- process_acknowledged_count_ = 0;
- /*
- don't beam over skips
- */
- if (stems_)
- {
- Moment now = now_mom ();
- if (extend_mom_ < now)
- end_beam ();
- }
- forbid_ = 0;
-}
-
void
Auto_beam_engraver::stop_translation_timestep ()
{
typeset_beam ();
+ process_acknowledged_count_ = 0;
+ forbid_ = 0;
}
void
void
-Auto_beam_engraver::acknowledge_beam (Grob_info info)
+Auto_beam_engraver::acknowledge_beam (Grob_info /* info */)
{
- (void)info;
check_bar_property ();
if (stems_)
end_beam ();
}
void
-Auto_beam_engraver::acknowledge_bar_line (Grob_info info)
+Auto_beam_engraver::acknowledge_bar_line (Grob_info /* info */)
{
- (void)info;
check_bar_property ();
if (stems_)
end_beam ();
}
void
-Auto_beam_engraver::acknowledge_rest (Grob_info info)
+Auto_beam_engraver::acknowledge_rest (Grob_info /* info */)
{
- (void)info;
check_bar_property ();
if (stems_)
end_beam ();
return;
grouping_->add_stem (now - beam_start_moment_ + beam_start_location_,
- durlog - 2);
+ durlog - 2,
+ Stem::is_invisible (stem));
stems_->push_back (stem);
last_add_mom_ = now;
- extend_mom_ = max (extend_mom_, now) + get_event_length (ev);
+ extend_mom_ = max (extend_mom_, now) + get_event_length (ev, now);
}
void
ADD_ACKNOWLEDGER (Auto_beam_engraver, beam);
ADD_ACKNOWLEDGER (Auto_beam_engraver, rest);
ADD_TRANSLATOR (Auto_beam_engraver,
- /* doc */ "Generate beams based on measure characteristics and observed "
- "Stems. Uses beatLength, measureLength and measurePosition to decide "
- "when to start and stop a beam. Overriding beaming is done through "
- "@ref{Stem_engraver} properties @code{stemLeftBeamCount} and "
- "@code{stemRightBeamCount}. ",
- /* create */ "Beam",
- /* accept */ "beam-forbid-event",
- /* read */ "autoBeaming autoBeamSettings beatLength subdivideBeams",
- /* write */ "");
+ /* doc */
+ "Generate beams based on measure characteristics and observed"
+ " Stems. Uses @code{beatLength}, @code{measureLength}, and"
+ " @code{measurePosition} to decide when to start and stop a"
+ " beam. Overriding beaming is done through"
+ " @ref{Stem_engraver} properties @code{stemLeftBeamCount} and"
+ " @code{stemRightBeamCount}.",
+
+ /* create */
+ "Beam ",
+
+ /* read */
+ "autoBeaming "
+ "autoBeamSettings "
+ "beatLength "
+ "subdivideBeams ",
+
+ /* write */
+ ""
+ );