/*
- drum-note-engraver.cc
-
- (c) 1997--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ This file is part of LilyPond, the GNU music typesetter.
+
+ Copyright (C) 1997--2012 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 <ctype.h>
-#include "rhythmic-head.hh"
-#include "event.hh"
+#include <cctype>
+using namespace std;
+
#include "item.hh"
+#include "duration.hh"
#include "engraver.hh"
-#include "warn.hh"
+#include "note-column.hh"
+#include "rhythmic-head.hh"
#include "side-position-interface.hh"
-#include "script.hh"
+#include "script-interface.hh"
#include "stem.hh"
-#include "note-column.hh"
+#include "stream-event.hh"
+#include "warn.hh"
+
+#include "translator.icc"
class Drum_notes_engraver : public Engraver
{
- Link_array<Item> notes_;
- Link_array<Item> dots_;
- Link_array<Item> scripts_;
- Link_array<Music> events_;
+ vector<Item *> scripts_;
+ vector<Stream_event *> events_;
public:
- TRANSLATOR_DECLARATIONS(Drum_notes_engraver);
+ TRANSLATOR_DECLARATIONS (Drum_notes_engraver);
protected:
- virtual bool try_music (Music *ev) ;
- virtual void process_music ();
- virtual void acknowledge_grob (Grob_info);
- virtual void stop_translation_timestep ();
+ void process_music ();
+ DECLARE_ACKNOWLEDGER (stem);
+ DECLARE_ACKNOWLEDGER (note_column);
+ DECLARE_TRANSLATOR_LISTENER (note);
+ void stop_translation_timestep ();
};
-Drum_notes_engraver::Drum_notes_engraver()
+Drum_notes_engraver::Drum_notes_engraver ()
{
}
-bool
-Drum_notes_engraver::try_music (Music *m)
+IMPLEMENT_TRANSLATOR_LISTENER (Drum_notes_engraver, note);
+void
+Drum_notes_engraver::listen_note (Stream_event *ev)
{
- if (m->is_mus_type ("note-event"))
- {
- events_.push (m);
- return true;
- }
- else if (m->is_mus_type ("busy-playing-event"))
- return events_.size ();
- else if (m->is_mus_type ("start-playing-event"))
- return events_.size ();
-
- return false;
+ events_.push_back (ev);
}
-
void
Drum_notes_engraver::process_music ()
{
SCM tab = 0;
- for (int i=0; i < events_.size (); i++)
+ for (vsize i = 0; i < events_.size (); i++)
{
if (!tab)
- tab = get_property ("drumStyleTable");
-
- Item *note = make_item ("NoteHead");
- Music * ev = events_[i];
-
- Duration dur = *unsmob_duration (ev->get_mus_property ("duration"));
-
- note->set_grob_property ("duration-log", gh_int2scm (dur.duration_log ()));
-
- if (dur.dot_count ())
- {
- Item * d = make_item ("Dots");
- Rhythmic_head::set_dots (note, d);
-
- if (dur.dot_count ()
- != robust_scm2int (d->get_grob_property ("dot-count"), 0))
- d->set_grob_property ("dot-count", gh_int2scm (dur.dot_count ()));
-
- d->set_parent (note, Y_AXIS);
- announce_grob (d, SCM_EOL);
- dots_.push (d);
- }
-
- SCM drum_type = ev->get_mus_property ("drum-type");
+ tab = get_property ("drumStyleTable");
+
+ Stream_event *ev = events_[i];
+ Item *note = make_item ("NoteHead", ev->self_scm ());
+
+ SCM drum_type = ev->get_property ("drum-type");
SCM defn = SCM_EOL;
if (scm_hash_table_p (tab) == SCM_BOOL_T)
- defn = scm_hashq_ref (tab, drum_type, SCM_EOL);
-
- if (gh_pair_p (defn))
- {
- SCM pos = gh_caddr (defn);
- SCM style =gh_car (defn);
- SCM script = gh_cadr (defn);
-
- if (scm_integer_p (pos) == SCM_BOOL_T)
- note->set_grob_property ("staff-position", pos);
- if (gh_symbol_p (style))
- note->set_grob_property ("style", style);
-
- if (gh_string_p (script))
- {
- Item *p = make_item ("Script");
- SCM desc = SCM_EOL;
- make_script_from_event (p, &desc,
- daddy_trans_, script,
- 0);
-
- if (p->get_grob_property ("follow-into-staff"))
- p->set_grob_property ("staff-padding", SCM_EOL);
-
- announce_grob (p, ev->self_scm ());
-
- p->set_parent (note, Y_AXIS);
- Side_position_interface::add_support (p, note);
- scripts_.push (p);
- }
- }
-
-
-
- announce_grob (note,ev->self_scm());
- notes_.push (note);
+ defn = scm_hashq_ref (tab, drum_type, SCM_EOL);
+
+ if (scm_is_pair (defn))
+ {
+ SCM pos = scm_caddr (defn);
+ SCM style = scm_car (defn);
+ SCM script = scm_cadr (defn);
+
+ if (scm_integer_p (pos) == SCM_BOOL_T)
+ note->set_property ("staff-position", pos);
+ if (scm_is_symbol (style))
+ note->set_property ("style", style);
+
+ if (scm_is_string (script))
+ {
+ Item *p = make_item ("Script", ev->self_scm ());
+ make_script_from_event (p, context (), script,
+ 0);
+
+ p->set_parent (note, Y_AXIS);
+ Side_position_interface::add_support (p, note);
+ scripts_.push_back (p);
+ }
+ }
}
}
void
-Drum_notes_engraver::acknowledge_grob (Grob_info inf)
+Drum_notes_engraver::acknowledge_stem (Grob_info inf)
{
- if (Stem::has_interface (inf.grob_))
+ for (vsize i = 0; i < scripts_.size (); i++)
{
- for (int i=0; i < scripts_.size (); i++)
- {
- Grob*e = scripts_[i];
-
- if (to_dir (e->get_grob_property ("side-relative-direction")))
- e->set_grob_property ("direction-source", inf.grob_->self_scm ());
-
- /*
- add dep ?
- */
- e->add_dependency (inf.grob_);
- Side_position_interface::add_support (e, inf.grob_);
- }
+ Grob *e = scripts_[i];
+
+ if (to_dir (e->get_property ("side-relative-direction")))
+ e->set_object ("direction-source", inf.grob ()->self_scm ());
+
+ Side_position_interface::add_support (e, inf.grob ());
}
- else if (Note_column::has_interface (inf.grob_))
+}
+
+void
+Drum_notes_engraver::acknowledge_note_column (Grob_info inf)
+{
+ for (vsize i = 0; i < scripts_.size (); i++)
{
- for (int i=0; i < scripts_.size (); i++)
- {
- Grob *e = scripts_[i];
-
- if (!e->get_parent (X_AXIS) &&
- Side_position_interface::get_axis (e) == Y_AXIS)
- {
- e->set_parent (inf.grob_, X_AXIS);
- }
- }
- }
+ Grob *e = scripts_[i];
+ if (!e->get_parent (X_AXIS)
+ && Side_position_interface::get_axis (e) == Y_AXIS)
+ e->set_parent (inf.grob (), X_AXIS);
+ }
}
-
void
Drum_notes_engraver::stop_translation_timestep ()
{
- for (int i=0; i < notes_.size (); i++)
- {
- typeset_grob (notes_[i]);
- }
- notes_.clear ();
- for (int i=0; i < dots_.size (); i++)
- {
- typeset_grob (dots_[i]);
- }
- dots_.clear ();
- for (int i=0; i < scripts_.size (); i++)
- {
- typeset_grob (scripts_[i]);
- }
scripts_.clear ();
-
events_.clear ();
}
+ADD_ACKNOWLEDGER (Drum_notes_engraver, stem);
+ADD_ACKNOWLEDGER (Drum_notes_engraver, note_column);
+
+ADD_TRANSLATOR (Drum_notes_engraver,
+ /* doc */
+ "Generate drum note heads.",
+ /* create */
+ "NoteHead "
+ "Script ",
-ENTER_DESCRIPTION(Drum_notes_engraver,
-/* descr */ "Generate noteheads.",
-/* creats*/ "NoteHead Dots Script",
-/* accepts */ "note-event busy-playing-event",
-/* acks */ "stem-interface note-column-interface",
-/* reads */ "drumStyleTable",
-/* write */ "");
+ /* read */
+ "drumStyleTable ",
+ /* write */
+ ""
+ );