/*
- fretboard-engraver.cc -- part of GNU LilyPond
+ This file is part of LilyPond, the GNU music typesetter.
- (c) 2006 Han-Wen Nienhuys
+ Copyright (C) 2006--2011 Han-Wen Nienhuys
+
+ 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 <cctype>
#include <cstdio>
using namespace std;
+#include "articulations.hh"
#include "context.hh"
#include "item.hh"
#include "engraver.hh"
class Fretboard_engraver : public Engraver
{
Item *fret_board_;
-
- vector<Stream_event*> note_events_;
- vector<Stream_event*> tabstring_events_;
+
+ vector<Stream_event *> note_events_;
+ vector<Stream_event *> tabstring_events_;
+ vector<Stream_event *> fingering_events_;
public:
TRANSLATOR_DECLARATIONS (Fretboard_engraver);
protected:
+ void stop_translation_timestep ();
+ void process_music ();
+ virtual void derived_mark () const;
DECLARE_TRANSLATOR_LISTENER (note);
DECLARE_TRANSLATOR_LISTENER (string_number);
- void process_music ();
+ DECLARE_TRANSLATOR_LISTENER (fingering);
- void stop_translation_timestep ();
+private:
+ SCM last_fret_notes_;
};
+void
+Fretboard_engraver::derived_mark () const
+{
+ scm_gc_mark (last_fret_notes_);
+}
+
Fretboard_engraver::Fretboard_engraver ()
{
fret_board_ = 0;
+ last_fret_notes_ = SCM_EOL;
}
IMPLEMENT_TRANSLATOR_LISTENER (Fretboard_engraver, note);
tabstring_events_.push_back (ev);
}
+IMPLEMENT_TRANSLATOR_LISTENER (Fretboard_engraver, fingering);
+void
+Fretboard_engraver::listen_fingering (Stream_event *ev)
+{
+ fingering_events_.push_back (ev);
+}
+
void
Fretboard_engraver::process_music ()
{
if (!note_events_.size ())
- return ;
-
+ return;
+
+ SCM tab_strings = articulation_list (note_events_,
+ tabstring_events_,
+ "string-number-event");
+ SCM fingers = articulation_list (note_events_,
+ fingering_events_,
+ "fingering-event");
fret_board_ = make_item ("FretBoard", note_events_[0]->self_scm ());
-
+ SCM fret_notes = ly_cxx_vector_to_list (note_events_);
SCM proc = get_property ("noteToFretFunction");
if (ly_is_procedure (proc))
- {
- scm_call_4 (proc,
- context ()->self_scm (),
- fret_board_->self_scm (),
-
- ly_cxx_vector_to_list (note_events_),
- ly_cxx_vector_to_list (tabstring_events_));
- }
+ scm_call_4 (proc,
+ context ()->self_scm (),
+ fret_notes,
+ scm_list_2 (tab_strings, fingers),
+ fret_board_->self_scm ());
+ SCM changes = get_property ("chordChanges");
+ if (to_boolean (changes) && scm_is_pair (last_fret_notes_)
+ && ly_is_equal (last_fret_notes_, fret_notes))
+ fret_board_->set_property ("begin-of-line-visible", SCM_BOOL_T);
+
+ last_fret_notes_ = fret_notes;
}
void
fret_board_ = 0;
note_events_.clear ();
tabstring_events_.clear ();
+ fingering_events_.clear ();
}
ADD_TRANSLATOR (Fretboard_engraver,
/* doc */
- "Generate one or more tablature noteheads from event of type"
+ "Generate fret diagram from one or more events of type"
" @code{NoteEvent}.",
/* create */
"FretBoard ",
/* read */
- "stringTunings "
+ "chordChanges "
+ "defaultStrings "
+ "highStringOne "
+ "maximumFretStretch "
"minimumFret "
- "maximumFretStretch "
- "tablatureFormat "
- "highStringOne ",
+ "noteToFretFunction "
+ "predefinedDiagramTable "
+ "stringTunings "
+ "tablatureFormat ",
/* write */
""
- );
+ );