/*
This file is part of LilyPond, the GNU music typesetter.
- Copyright (C) 1999--2011 Jan Nieuwenhuizen <janneke@gnu.org>
+ Copyright (C) 1999--2014 Jan Nieuwenhuizen <janneke@gnu.org>
LilyPond is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
-#include "bar-line.hh"
#include "beaming-pattern.hh"
#include "beam.hh"
#include "context.hh"
+#include "context-handle.hh"
#include "duration.hh"
#include "engraver.hh"
#include "item.hh"
protected:
void stop_translation_timestep ();
- void process_music ();
+ void process_acknowledged ();
+
+ virtual void process_music ();
virtual void finalize ();
virtual void derived_mark () const;
DECLARE_ACKNOWLEDGER (stem);
DECLARE_TRANSLATOR_LISTENER (beam_forbid);
- void process_acknowledged ();
-
private:
- bool test_moment (Direction, Moment, Moment);
+ virtual bool test_moment (Direction, Moment, Moment);
void consider_begin (Moment, Moment);
void consider_end (Moment, Moment);
Spanner *create_beam ();
void begin_beam ();
void end_beam ();
void junk_beam ();
- bool is_same_grace_state (Grob *e);
+ virtual bool is_same_grace_state (Moment, Moment);
void recheck_beam ();
void typeset_beam ();
vector<Item *> *remove_end_stems (vsize);
Moment extend_mom_;
Moment beam_start_moment_;
Moment beam_start_location_;
+ /*
+ Handle on the starting staff keeps it alive until beam is comlete
+ */
+ Context_handle beam_start_context_;
// We act as if beam were created, and start a grouping anyway.
Beaming_pattern *grouping_;
Beaming_pattern *finished_grouping_;
-
Beaming_options beaming_options_;
Beaming_options finished_beaming_options_;
-
void check_bar_property ();
};
if (stems_)
{
if (extend_mom_ < now)
- end_beam ();
+ end_beam ();
}
if (scm_is_string (get_property ("whichBar")))
if (forbid_)
{
if (stems_)
- end_beam ();
+ end_beam ();
else
- junk_beam ();
+ junk_beam ();
}
}
Auto_beam_engraver::test_moment (Direction dir, Moment test_mom, Moment dur)
{
return scm_call_4 (get_property ("autoBeamCheck"),
- context ()->self_scm (),
- scm_from_int (dir),
+ context ()->self_scm (),
+ scm_from_int (dir),
test_mom.smobbed_copy (),
- dur.smobbed_copy ())
- != SCM_BOOL_F;
+ dur.smobbed_copy ())
+ != SCM_BOOL_F;
}
void
{
bool b = test_moment (START, test_mom, dur);
if (b)
- begin_beam ();
+ begin_beam ();
}
}
if (stems_)
{
/* Allow already started autobeam to end:
- don't check for autoBeaming */
+ don't check for autoBeaming */
bool b = test_moment (STOP, test_mom, dur);
if (b)
- end_beam ();
+ end_beam ();
}
}
for (vsize i = 0; i < stems_->size (); i++)
Beam::add_stem (beam, (*stems_)[i]);
- announce_grob (beam, (*stems_)[0]->self_scm ());
+ Grob_info i = make_grob_info (beam, (*stems_)[0]->self_scm ());
+ i.rerouting_daddy_context_ = beam_start_context_.get_context ();
+ announce_grob (i);
return beam;
}
beaming_options_.from_context (context ());
beam_settings_ = updated_grob_properties (context (), ly_symbol2scm ("Beam"));
+ beam_start_context_.set_context (context ()->get_parent_context ());
beam_start_moment_ = now_mom ();
beam_start_location_
= robust_scm2moment (get_property ("measurePosition"), Moment (0));
shortest_mom_ = Moment (Rational (1, 4));
}
+bool
+Auto_beam_engraver::is_same_grace_state (Moment start, Moment now)
+{
+ return bool (start.grace_part_) == bool (now.grace_part_);
+}
+
+
void
Auto_beam_engraver::end_beam ()
{
finished_beam_ = create_beam ();
if (finished_beam_)
- {
- announce_end_grob (finished_beam_, SCM_EOL);
- finished_grouping_ = grouping_;
- finished_beaming_options_ = beaming_options_;
- }
+ {
+ Grob_info i = make_grob_info (finished_beam_, SCM_EOL);
+ i.rerouting_daddy_context_ = beam_start_context_.get_context ();
+
+ announce_end_grob (i);
+ finished_grouping_ = grouping_;
+ finished_beaming_options_ = beaming_options_;
+ }
delete stems_;
stems_ = 0;
grouping_ = 0;
beam_settings_ = SCM_EOL;
}
+ beam_start_context_.set_context (NULL);
shortest_mom_ = Moment (Rational (1, 4));
}
if (finished_beam_)
{
if (!finished_beam_->get_bound (RIGHT))
- finished_beam_->set_bound (RIGHT, finished_beam_->get_bound (LEFT));
+ finished_beam_->set_bound (RIGHT, finished_beam_->get_bound (LEFT));
finished_grouping_->beamify (finished_beaming_options_);
Beam::set_beaming (finished_beam_, finished_grouping_);
junk_beam ();
}
-
void
Auto_beam_engraver::acknowledge_beam (Grob_info /* info */)
{
if (!Stem::head_count (stem))
{
if (stems_)
- end_beam ();
+ end_beam ();
return;
}
if (Stem::get_beam (stem))
{
if (stems_)
- junk_beam ();
+ junk_beam ();
return;
}
if (durlog <= 2)
{
if (stems_)
- end_beam ();
+ end_beam ();
return;
}
/*
- ignore grace notes.
+ ignore interspersed grace notes.
*/
Moment now = now_mom ();
- if (bool (beam_start_location_.grace_part_) != bool (now.grace_part_))
+ if (!is_same_grace_state (beam_start_location_, now))
return;
- Moment dur = unsmob_duration (ev->get_property ("duration"))->get_length ();
+ Duration *stem_duration = unsmob_duration (ev->get_property ("duration"));
+ Moment dur = stem_duration->get_length ();
+
+ //Moment dur = unsmob_duration (ev->get_property ("duration"))->get_length ();
Moment measure_now = measure_position (context ());
bool recheck_needed = false;
if (dur < shortest_mom_)
{
- /* new shortest moment, so store it and set recheck_needed */
- shortest_mom_ = dur;
- recheck_needed = true;
+ /* new shortest moment, so store it and set recheck_needed */
+ shortest_mom_ = dur;
+ recheck_needed = true;
}
/* end should be based on shortest_mom_, begin should be
return;
grouping_->add_stem (now - beam_start_moment_ + beam_start_location_,
- durlog - 2,
- Stem::is_invisible (stem));
+ durlog - 2,
+ Stem::is_invisible (stem),
+ stem_duration->factor (),
+ (stem->get_property ("tuplet-start") == SCM_BOOL_T));
stems_->push_back (stem);
last_add_mom_ = now;
extend_mom_ = max (extend_mom_, now) + get_event_length (ev, now);
bool found_end;
-
for (vsize i = 0; i < stems_->size () - 1;)
{
found_end = test_moment (STOP,
void
Auto_beam_engraver::process_acknowledged ()
{
- Moment now = now_mom();
+ Moment now = now_mom ();
if (extend_mom_ > now)
return;
else if (process_acknowledged_count_ > 1)
{
if (stems_)
- {
- if ((extend_mom_ < now)
- || ((extend_mom_ == now) && (last_add_mom_ != now)))
- end_beam ();
- else if (!stems_->size ())
- junk_beam ();
- }
+ {
+ if ((extend_mom_ < now)
+ || ((extend_mom_ == now) && (last_add_mom_ != now)))
+ end_beam ();
+ else if (!stems_->size ())
+ junk_beam ();
+ }
}
process_acknowledged_count_++;
"autoBeaming "
"baseMoment "
"beamExceptions "
+ "beamHalfMeasure "
"beatStructure "
"subdivideBeams ",
/* write */
""
- );
+ );
+
+class Grace_auto_beam_engraver : public Auto_beam_engraver
+{
+ TRANSLATOR_DECLARATIONS (Grace_auto_beam_engraver);
+ DECLARE_TRANSLATOR_LISTENER (beam_forbid);
+
+private:
+ Moment last_grace_start_; // Full starting time of last grace group
+ Moment last_grace_position_; // Measure position of same
+ virtual void process_music ();
+ virtual bool is_same_grace_state (Moment, Moment);
+ virtual bool test_moment (Direction, Moment, Moment);
+};
+
+Grace_auto_beam_engraver::Grace_auto_beam_engraver ()
+{
+ last_grace_start_.main_part_.set_infinite (-1);
+ // grace_part_ is zero -> test_moment is false, last_grace_position_
+ // not considered.
+}
+
+IMPLEMENT_TRANSLATOR_LISTENER (Grace_auto_beam_engraver, beam_forbid);
+void
+Grace_auto_beam_engraver::listen_beam_forbid (Stream_event *ev)
+{
+ Auto_beam_engraver::listen_beam_forbid (ev);
+}
+
+bool
+Grace_auto_beam_engraver::is_same_grace_state (Moment, Moment)
+{
+ // This is for ignoring interspersed grace notes in main note
+ // beaming. We never want to ignore something inside of grace note
+ // beaming, so return true.
+ return true;
+}
+
+void
+Grace_auto_beam_engraver::process_music ()
+{
+ Moment now = now_mom ();
+ // Update last_grace_start_ and last_grace_position_ only when the
+ // main time advances.
+ if (now.main_part_ > last_grace_start_.main_part_)
+ {
+ last_grace_start_ = now;
+ last_grace_position_ = measure_position (context ());
+ }
+
+ Auto_beam_engraver::process_music ();
+}
+
+bool
+Grace_auto_beam_engraver::test_moment (Direction dir, Moment test_mom, Moment)
+{
+ // If no grace group started this main moment, we have no business
+ // beaming. Same if we have left the original main time step.
+ if (!last_grace_start_.grace_part_
+ || last_grace_position_.main_part_ != test_mom.main_part_)
+ return false;
+ // Autobeam start only when at the start of the grace group.
+ if (dir == START)
+ return last_grace_position_ == test_mom;
+ // Autobeam end only when the grace part is finished.
+ return !test_mom.grace_part_;
+}
+
+ADD_ACKNOWLEDGER (Grace_auto_beam_engraver, stem);
+ADD_ACKNOWLEDGER (Grace_auto_beam_engraver, bar_line);
+ADD_ACKNOWLEDGER (Grace_auto_beam_engraver, beam);
+ADD_ACKNOWLEDGER (Grace_auto_beam_engraver, breathing_sign);
+ADD_ACKNOWLEDGER (Grace_auto_beam_engraver, rest);
+ADD_TRANSLATOR (Grace_auto_beam_engraver,
+ /* doc */
+ "Generates one autobeam group across an entire grace phrase. "
+ " As usual, any manual beaming or @code{\\noBeam} will block"
+ " autobeaming, just like setting the context property"
+ " @samp{autoBeaming} to @code{##f}.",
+
+ /* create */
+ "Beam ",
+
+ /* read */
+ "autoBeaming ",
+
+ /* write */
+ ""
+ );
projects / lilypond.git / blobdiff