lily/note-name-engraver.cc

   1 /*
   2   This file is part of LilyPond, the GNU music typesetter.
   3
   4   Copyright (C) 1999--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
   5
   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.
  10
  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.
  15
  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/>.
  18 */
  19
  20 #include "engraver.hh"
  21 #include "item.hh"
  22 #include "pitch.hh"
  23 #include "stream-event.hh"
  24
  25 #include "translator.icc"
  26
  27 class Note_name_engraver : public Engraver
  28 {
  29 public:
  30   TRANSLATOR_DECLARATIONS (Note_name_engraver);
  31
  32   vector<Stream_event *> events_;
  33   DECLARE_TRANSLATOR_LISTENER (note);
  34   void process_music ();
  35   void stop_translation_timestep ();
  36 };
  37
  38 IMPLEMENT_TRANSLATOR_LISTENER (Note_name_engraver, note);
  39 void
  40 Note_name_engraver::listen_note (Stream_event *ev)
  41 {
  42   events_.push_back (ev);
  43 }
  44
  45 void
  46 Note_name_engraver::process_music ()
  47 {
  48   string s;
  49   for (vsize i = 0; i < events_.size (); i++)
  50     {
  51       if (i)
  52         s += " ";
  53       Pitch p = *unsmob_pitch (events_[i]->get_property ("pitch"));
  54
  55       if (!to_boolean (get_property ("printOctaveNames")))
  56         p = Pitch (-1, p.get_notename (), p.get_alteration ());
  57
  58       s += p.to_string ();
  59     }
  60   if (s.length ())
  61     {
  62       Item *t = make_item ("NoteName", events_[0]->self_scm ());
  63       t->set_property ("text", ly_string2scm (s));
  64     }
  65 }
  66
  67 void
  68 Note_name_engraver::stop_translation_timestep ()
  69 {
  70   events_.clear ();
  71 }
  72
  73 Note_name_engraver::Note_name_engraver ()
  74 {
  75 }
  76
  77 ADD_TRANSLATOR (Note_name_engraver,
  78                 /* doc */
  79                 "Print pitches as words.",
  80
  81                 /* create */
  82                 "NoteName ",
  83
  84                 /* read */
  85                 "printOctaveNames ",
  86
  87                 /* write */
  88                 ""
  89                 );