lily/note-name-engraver.cc

   1 /*
   2   This file is part of LilyPond, the GNU music typesetter.
   3
   4   Copyright (C) 1999--2010 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   vector<Item*> texts_;
  34   DECLARE_TRANSLATOR_LISTENER (note);
  35   void process_music ();
  36   void stop_translation_timestep ();
  37 };
  38
  39 IMPLEMENT_TRANSLATOR_LISTENER (Note_name_engraver, note);
  40 void
  41 Note_name_engraver::listen_note (Stream_event *ev)
  42 {
  43   events_.push_back (ev);
  44 }
  45
  46 void
  47 Note_name_engraver::process_music ()
  48 {
  49   string s;
  50   for (vsize i = 0; i < events_.size (); i++)
  51     {
  52       if (i)
  53         s += " ";
  54       Pitch p = *unsmob_pitch (events_[i]->get_property ("pitch"));
  55
  56       if (!to_boolean (get_property ("printOctaveNames")))
  57         p = Pitch (-1, p.get_notename (), p.get_alteration ());
  58
  59       s += p.to_string ();
  60     }
  61   if (s.length ())
  62     {
  63       Item *t = make_item ("NoteName", events_[0]->self_scm ());
  64       t->set_property ("text", ly_string2scm (s));
  65       texts_.push_back (t);
  66     }
  67 }
  68
  69 void
  70 Note_name_engraver::stop_translation_timestep ()
  71 {
  72   texts_.clear ();
  73   events_.clear ();
  74 }
  75
  76 Note_name_engraver::Note_name_engraver ()
  77 {
  78 }
  79
  80 ADD_TRANSLATOR (Note_name_engraver,
  81                 /* doc */
  82                 "Print pitches as words.",
  83
  84                 /* create */
  85                 "NoteName ",
  86
  87                 /* read */
  88                 "printOctaveNames ",
  89
  90                 /* write */
  91                 ""
  92                 );