lily/dot-column-engraver.cc

   1 /*
   2   This file is part of LilyPond, the GNU music typesetter.
   3
   4   Copyright (C) 1998--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 "rhythmic-head.hh"
  21 #include "dot-column.hh"
  22 #include "side-position-interface.hh"
  23 #include "engraver.hh"
  24 #include "translator.icc"
  25 #include "item.hh"
  26
  27 class Dot_column_engraver : public Engraver
  28 {
  29   Grob *dotcol_;
  30 public:
  31   TRANSLATOR_DECLARATIONS (Dot_column_engraver);
  32
  33 protected:
  34
  35   DECLARE_ACKNOWLEDGER (rhythmic_head);
  36
  37   void stop_translation_timestep ();
  38 };
  39
  40 Dot_column_engraver::Dot_column_engraver ()
  41 {
  42   dotcol_ = 0;
  43 }
  44
  45 void
  46 Dot_column_engraver::stop_translation_timestep ()
  47 {
  48   dotcol_ = 0;
  49 }
  50
  51 void
  52 Dot_column_engraver::acknowledge_rhythmic_head (Grob_info info)
  53 {
  54   Grob *d = unsmob_grob (info.grob ()->get_object ("dot"));
  55   if (d)
  56     {
  57       if (!dotcol_)
  58         dotcol_ = make_item ("DotColumn", SCM_EOL);
  59
  60       Dot_column::add_head (dotcol_, info.grob ());
  61     }
  62 }
  63
  64
  65 ADD_ACKNOWLEDGER (Dot_column_engraver, rhythmic_head);
  66 ADD_TRANSLATOR (Dot_column_engraver,
  67                 /* doc */
  68                 "Engrave dots on dotted notes shifted to the right of the"
  69                 " note.  If omitted, then dots appear on top of the notes.",
  70
  71                 /* create */
  72                 "DotColumn ",
  73
  74                 /* read */
  75                 "",
  76
  77                 /* write */
  78                 ""
  79                 );