lily/grace-iterator.cc

   1 /*
   2   grace-music.cc -- implement Grace_music
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1999--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
   7 */
   8
   9 #include "grace-iterator.hh"
  10 #include "global-context.hh"
  11 #include "warn.hh"
  12
  13 void
  14 Grace_iterator::process (Moment m)
  15 {
  16   Moment main;
  17   main.main_part_ = -start_mom_.grace_part_ + m.grace_part_;
  18   Music_wrapper_iterator::process (main);
  19
  20   /* We can safely do this, since \grace should always be inside
  21      sequential.  */
  22   descend_to_child (child_iter_->get_outlet ());
  23 }
  24
  25 Moment
  26 Grace_iterator::pending_moment () const
  27 {
  28   Moment cp = Music_wrapper_iterator::pending_moment ();
  29
  30   Moment pending;
  31   pending.grace_part_ = start_mom_.grace_part_ + cp.main_part_;
  32
  33   return pending;
  34 }
  35
  36 IMPLEMENT_CTOR_CALLBACK (Grace_iterator);