lily/dots-engraver.cc

   1 /*
   2   This file is part of LilyPond, the GNU music typesetter.
   3
   4   Copyright (C) 2006--2011 Han-Wen Nienhuys <hanwen@lilypond.org>
   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 "duration.hh"
  22 #include "item.hh"
  23 #include "rhythmic-head.hh"
  24 #include "stream-event.hh"
  25
  26 #include "translator.icc"
  27
  28
  29 class Dots_engraver : public Engraver
  30 {
  31   DECLARE_ACKNOWLEDGER (rhythmic_head);
  32   TRANSLATOR_DECLARATIONS (Dots_engraver);
  33 };
  34
  35 Dots_engraver::Dots_engraver ()
  36 {
  37 }
  38
  39 void
  40 Dots_engraver::acknowledge_rhythmic_head (Grob_info gi)
  41 {
  42   Stream_event *cause = gi.event_cause ();
  43   if (!cause)
  44     return;
  45
  46   Grob *note = gi.grob ();
  47   if (unsmob_grob (note->get_object ("dot")))
  48     return;
  49
  50   Duration *dur = unsmob_duration (cause->get_property ("duration"));
  51   if (dur && dur->dot_count ())
  52     {
  53       Item *d = make_item ("Dots", note->self_scm ());
  54       Rhythmic_head::set_dots (note, d);
  55
  56       d->set_parent (note, Y_AXIS);
  57     }
  58 }
  59
  60
  61 ADD_ACKNOWLEDGER (Dots_engraver, rhythmic_head);
  62
  63 ADD_TRANSLATOR (Dots_engraver,
  64                 "Create @ref{Dots} objects for"
  65                 " @ref{rhythmic-head-interface}s.",
  66
  67                 /* create */
  68                 "Dots ",
  69
  70                 /* read */
  71                 "",
  72
  73                 /* write */
  74                 ""
  75                 );