2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 2002--2011 Han-Wen Nienhuys, Jean-Baptiste Lamy <jiba@tuxfamily.org>,
6 LilyPond is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 LilyPond is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
23 #include "engraver.hh"
27 #include "articulations.hh"
28 #include "duration.hh"
30 #include "output-def.hh"
32 #include "rhythmic-head.hh"
33 #include "stream-event.hh"
37 #include "translator.icc"
40 make (guitar-like) tablature note
42 class Tab_note_heads_engraver
: public Engraver
44 vector
<Stream_event
*> note_events_
;
45 vector
<Stream_event
*> tabstring_events_
;
46 vector
<Stream_event
*> fingering_events_
;
49 TRANSLATOR_DECLARATIONS (Tab_note_heads_engraver
);
52 DECLARE_TRANSLATOR_LISTENER (note
);
53 DECLARE_TRANSLATOR_LISTENER (string_number
);
54 DECLARE_TRANSLATOR_LISTENER (fingering
);
55 void process_music ();
57 void stop_translation_timestep ();
60 Tab_note_heads_engraver::Tab_note_heads_engraver ()
64 IMPLEMENT_TRANSLATOR_LISTENER (Tab_note_heads_engraver
, note
);
66 Tab_note_heads_engraver::listen_note (Stream_event
*ev
)
68 note_events_
.push_back (ev
);
71 IMPLEMENT_TRANSLATOR_LISTENER (Tab_note_heads_engraver
, string_number
);
73 Tab_note_heads_engraver::listen_string_number (Stream_event
*ev
)
75 tabstring_events_
.push_back (ev
);
78 IMPLEMENT_TRANSLATOR_LISTENER (Tab_note_heads_engraver
, fingering
);
80 Tab_note_heads_engraver::listen_fingering (Stream_event
*ev
)
82 fingering_events_
.push_back (ev
);
86 Tab_note_heads_engraver::process_music ()
88 SCM tab_strings
= articulation_list (note_events_
,
90 "string-number-event");
91 SCM defined_fingers
= articulation_list (note_events_
,
94 SCM tab_notes
= ly_cxx_vector_to_list (note_events_
);
95 SCM proc
= get_property ("noteToFretFunction");
96 SCM string_fret_finger
= SCM_EOL
;
97 if (ly_is_procedure (proc
))
98 string_fret_finger
= scm_call_3 (proc
,
99 context ()->self_scm (),
101 scm_list_2 (tab_strings
,
103 SCM note_entry
= SCM_EOL
;
104 SCM string_number
= SCM_EOL
;
106 SCM fret_label
= SCM_EOL
;
107 SCM fret_procedure
= get_property ("tablatureFormat");
108 SCM staff_line_procedure
= get_property ("tabStaffLineLayoutFunction");
109 SCM staff_position
= SCM_EOL
;
110 vsize fret_count
= (vsize
) scm_ilength (string_fret_finger
);
111 bool length_changed
= (note_events_
.size () != fret_count
);
114 if (string_fret_finger
!= SCM_EOL
)
115 for (vsize i
= 0; i
< fret_count
; i
++)
117 note_entry
= scm_list_ref (string_fret_finger
, scm_from_int (i
));
118 string_number
= scm_car (note_entry
);
119 fret
= scm_cadr (note_entry
);
120 fret_label
= scm_call_3 (fret_procedure
,
121 context ()->self_scm (),
124 index
= length_changed
? 0 : i
;
125 Item
*note
= make_item ("TabNoteHead", note_events_
[index
]->self_scm ());
126 note
->set_property ("text", fret_label
);
127 staff_position
= scm_call_2 (staff_line_procedure
,
128 context ()->self_scm (),
130 note
->set_property ("staff-position", staff_position
);
135 Tab_note_heads_engraver::stop_translation_timestep ()
137 note_events_
.clear ();
138 tabstring_events_
.clear ();
139 fingering_events_
.clear ();
142 ADD_TRANSLATOR (Tab_note_heads_engraver
,
144 "Generate one or more tablature note heads from event of type"
145 " @code{NoteEvent}.",
156 "noteToFretFunction "
160 "tabStaffLineLayoutFunction ",