/*
- phrasing-slur-engraver.cc -- implement Phrasing_slur_engraver
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 1997--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1997--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
#include "engraver.hh"
#include "translator.icc"
-/*
- It is possible that a slur starts and ends on the same note. At
- least, it is for phrasing slurs: a note can be both beginning and
- ending of a phrase.
-
-*/
-
/*
NOTE NOTE NOTE
- This is largely similar to Slur_engraver. Check if fixes apply there too.
+ This is largely similar to Slur_engraver. Check if fixes
+ apply there too.
(on principle, engravers don't use inheritance for code sharing)
-
+
*/
+
+/*
+ It is possible that a slur starts and ends on the same note. At
+ least, it is for phrasing slurs: a note can be both beginning and
+ ending of a phrase.
+*/
class Phrasing_slur_engraver : public Engraver
{
- Drul_array<Stream_event *> events_;
- Stream_event *running_slur_start_;
- vector<Grob*> slurs_;
- vector<Grob*> end_slurs_;
+ vector<Stream_event *> start_events_;
+ vector<Stream_event *> stop_events_;
+ vector<Grob *> slurs_;
+ vector<Grob *> end_slurs_;
+ vector<Grob_info> objects_to_acknowledge_;
protected:
- void acknowledge_extra_object (Grob_info);
- DECLARE_ACKNOWLEDGER (accidental);
- DECLARE_ACKNOWLEDGER (dynamic_line_spanner);
+ DECLARE_TRANSLATOR_LISTENER (phrasing_slur);
+ DECLARE_ACKNOWLEDGER (inline_accidental);
DECLARE_ACKNOWLEDGER (fingering);
DECLARE_ACKNOWLEDGER (note_column);
- DECLARE_ACKNOWLEDGER (script);
DECLARE_ACKNOWLEDGER (slur);
+ DECLARE_ACKNOWLEDGER (script);
+ DECLARE_ACKNOWLEDGER (dots);
DECLARE_ACKNOWLEDGER (text_script);
DECLARE_ACKNOWLEDGER (tie);
- DECLARE_TRANSLATOR_LISTENER (phrasing_slur);
+ DECLARE_ACKNOWLEDGER (tuplet_number);
+ void acknowledge_extra_object (Grob_info);
void stop_translation_timestep ();
- virtual void finalize ();
void process_music ();
+ virtual void finalize ();
+ virtual void derived_mark () const;
+
public:
TRANSLATOR_DECLARATIONS (Phrasing_slur_engraver);
};
Phrasing_slur_engraver::Phrasing_slur_engraver ()
{
- events_[START] = events_[STOP] = 0;
+}
+
+void
+Phrasing_slur_engraver::derived_mark () const
+{
+ for (vsize i=start_events_.size(); i--;)
+ scm_gc_mark (start_events_[i]->self_scm ());
+ for (vsize i=stop_events_.size(); i--;)
+ scm_gc_mark (stop_events_[i]->self_scm ());
}
IMPLEMENT_TRANSLATOR_LISTENER (Phrasing_slur_engraver, phrasing_slur);
void
Phrasing_slur_engraver::listen_phrasing_slur (Stream_event *ev)
{
- /*
- Let's not start more than one slur per moment.
- */
Direction d = to_dir (ev->get_property ("span-direction"));
if (d == START)
- ASSIGN_EVENT_ONCE (events_[START], ev);
- else if (d == STOP && !slurs_.empty ())
- ASSIGN_EVENT_ONCE (events_[STOP], ev);
+ start_events_.push_back (ev);
+ else if (d == STOP)
+ stop_events_.push_back (ev);
+ else ev->origin ()->warning (_f ("direction of %s invalid: %d",
+ "phrasing-slur-event", int (d)));
}
void
void
Phrasing_slur_engraver::acknowledge_extra_object (Grob_info info)
{
- Slur::auxiliary_acknowledge_extra_object (info, slurs_, end_slurs_);
+ objects_to_acknowledge_.push_back (info);
}
void
-Phrasing_slur_engraver::acknowledge_accidental (Grob_info info)
+Phrasing_slur_engraver::acknowledge_inline_accidental (Grob_info info)
{
acknowledge_extra_object (info);
}
void
-Phrasing_slur_engraver::acknowledge_dynamic_line_spanner (Grob_info info)
+Phrasing_slur_engraver::acknowledge_dots (Grob_info info)
{
acknowledge_extra_object (info);
}
acknowledge_extra_object (info);
}
+void
+Phrasing_slur_engraver::acknowledge_tuplet_number (Grob_info info)
+{
+ acknowledge_extra_object (info);
+}
+
void
Phrasing_slur_engraver::acknowledge_script (Grob_info info)
{
void
Phrasing_slur_engraver::finalize ()
{
- if (slurs_.size ())
- slurs_[0]->warning (_ ("unterminated phrasing slur"));
+ for (vsize i = 0; i < slurs_.size (); i++)
+ {
+ slurs_[i]->warning (_ ("unterminated phrasing slur"));
+ slurs_[i]->suicide ();
+ }
+ slurs_.clear ();
}
void
Phrasing_slur_engraver::process_music ()
{
- if (events_[STOP])
+ for (vsize i = 0; i < stop_events_.size (); i++)
{
- end_slurs_ = slurs_;
- slurs_.clear ();
+ Stream_event *ev = stop_events_[i];
+ string id = robust_scm2string (ev->get_property ("spanner-id"), "");
+
+ // Find the slurs that are ended with this event (by checking the spanner-id)
+ bool ended = false;
+ for (vsize j = slurs_.size (); j--;)
+ {
+ if (id == robust_scm2string (slurs_[j]->get_property ("spanner-id"), ""))
+ {
+ ended = true;
+ end_slurs_.push_back (slurs_[j]);
+ slurs_.erase (slurs_.begin () + j);
+ }
+ }
+ if (ended)
+ {
+ // Ignore redundant stop events for this id
+ for (vsize j = stop_events_.size (); --j > i;)
+ {
+ if (id == robust_scm2string (stop_events_[j]->get_property ("spanner-id"), ""))
+ stop_events_.erase (stop_events_.begin() + j);
+ }
+ }
+ else
+ ev->origin ()->warning (_ ("cannot end phrasing slur"));
}
- if (events_[START] && slurs_.empty ())
+ vsize old_slurs = slurs_.size ();
+ for (vsize i = start_events_.size (); i--;)
{
- Stream_event *ev = events_[START];
-
- Grob *slur = make_spanner ("PhrasingSlur", events_[START]->self_scm ());
+ Stream_event *ev = start_events_[i];
+ string id = robust_scm2string (ev->get_property ("spanner-id"), "");
Direction updown = to_dir (ev->get_property ("direction"));
- if (updown)
- set_grob_direction (slur, updown);
- slurs_.push_back (slur);
+ bool completed;
+ for (vsize j = 0; !(completed = (j == slurs_.size ())); j++)
+ {
+ // Check if we already have a slur with the same spanner-id.
+ if (id == robust_scm2string (slurs_[j]->get_property ("spanner-id"), ""))
+ {
+ if (j < old_slurs)
+ {
+ // We already have an old slur, so give a warning
+ // and completely ignore the new slur.
+ ev->origin ()->warning (_ ("already have phrasing slur"));
+ start_events_.erase (start_events_.begin () + i);
+ break;
+ }
+
+ // If this slur event has no direction, it will not
+ // contribute anything new to the existing slur(s), so
+ // we can ignore it. This is not entirely accurate:
+ // tweaks or context properties like those set with
+ // \slurUp can still override a neutral direction, so
+ // when encountering a slur event with "opposite"
+ // direction first, then one with neutral direction, we
+ // only let the "opposite" direction remain, while if
+ // the order is the other way round, a double slur
+ // results since the direction of the first slur is no
+ // longer attributable to a "neutral" slur event. A
+ // mixture of neutral and directed events is nothing
+ // that the partcombiner should crank out, and it would
+ // be decidedly strange for manual input.
+
+ if (!updown)
+ break;
+
+ // If the existing slur does not have a direction yet,
+ // give it ours
+
+ Direction slur_dir = to_dir (slurs_[j]->get_property ("direction"));
+
+ if (!slur_dir)
+ {
+ set_grob_direction (slurs_[j], updown);
+ break;
+ }
+
+ // If the existing slur has the same direction as ours, drop ours
+
+ if (slur_dir == updown)
+ break;
+ }
+ }
+ // If the loop completed, our slur is new
+ if (completed)
+ {
+ Grob *slur = make_spanner ("PhrasingSlur", ev->self_scm ());
+ slur->set_property ("spanner-id", ly_string2scm (id));
+ if (updown)
+ set_grob_direction (slur, updown);
+ slurs_.push_back (slur);
+ }
}
}
void
Phrasing_slur_engraver::stop_translation_timestep ()
{
+ if (Grob *g = unsmob_grob (get_property ("currentCommandColumn")))
+ {
+ for (vsize i = 0; i < end_slurs_.size (); i++)
+ Slur::add_extra_encompass (end_slurs_[i], g);
+
+ if (!start_events_.size ())
+ for (vsize i = 0; i < slurs_.size (); i++)
+ Slur::add_extra_encompass (slurs_[i], g);
+ }
+
+ for (vsize i = 0; i < end_slurs_.size (); i++)
+ {
+ Spanner *s = dynamic_cast<Spanner *> (end_slurs_[i]);
+ if (!s->get_bound (RIGHT))
+ s->set_bound (RIGHT, unsmob_grob (get_property ("currentMusicalColumn")));
+ announce_end_grob (s, SCM_EOL);
+ }
+
+ for (vsize i = 0; i < objects_to_acknowledge_.size (); i++)
+ Slur::auxiliary_acknowledge_extra_object (objects_to_acknowledge_[i], slurs_, end_slurs_);
+
+ objects_to_acknowledge_.clear ();
end_slurs_.clear ();
- events_[START] = events_[STOP] = 0;
+ start_events_.clear ();
+ stop_events_.clear ();
}
-ADD_ACKNOWLEDGER (Phrasing_slur_engraver, accidental);
-ADD_ACKNOWLEDGER (Phrasing_slur_engraver, dynamic_line_spanner);
+ADD_ACKNOWLEDGER (Phrasing_slur_engraver, inline_accidental);
ADD_ACKNOWLEDGER (Phrasing_slur_engraver, fingering)
ADD_ACKNOWLEDGER (Phrasing_slur_engraver, note_column);
-ADD_ACKNOWLEDGER (Phrasing_slur_engraver, script);
ADD_ACKNOWLEDGER (Phrasing_slur_engraver, slur);
+ADD_ACKNOWLEDGER (Phrasing_slur_engraver, script);
+ADD_ACKNOWLEDGER (Phrasing_slur_engraver, dots);
ADD_ACKNOWLEDGER (Phrasing_slur_engraver, text_script);
ADD_ACKNOWLEDGER (Phrasing_slur_engraver, tie);
+ADD_ACKNOWLEDGER (Phrasing_slur_engraver, tuplet_number);
ADD_TRANSLATOR (Phrasing_slur_engraver,
- /* doc */ "Print phrasing slurs. Similar to @ref{Slur_engraver}",
- /* create */ "PhrasingSlur",
- /* read */ "",
- /* write */ "");
+ /* doc */
+ "Print phrasing slurs. Similar to @ref{Slur_engraver}.",
+
+ /* create */
+ "PhrasingSlur ",
+
+ /* read */
+ "",
+
+ /* write */
+ ""
+ );