2 melisma-engraver.cc -- implement Melisma_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 1999--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
14 Signal existence of melismas.
16 class Melisma_translator : public Translator
19 TRANSLATOR_DECLARATIONS (Melisma_translator);
21 virtual bool try_music (Music *);
22 virtual void process_music ();
23 virtual void start_translation_timestep ();
28 Melisma_translator::try_music (Music *m)
30 if (m->is_mus_type ("melisma-playing-event"))
32 return melisma_busy (context ());
34 else if (m->is_mus_type ("melisma-span-event"))
44 Melisma_translator::process_music ()
48 SCM sd = event_->get_property ("span-direction");
49 Direction d = to_dir (sd);
51 context ()->set_property ("melismaBusy", SCM_BOOL_T);
53 context ()->unset_property (ly_symbol2scm ("melismaBusy"));
58 Melisma_translator::start_translation_timestep ()
63 Melisma_translator::Melisma_translator ()
68 ADD_TRANSLATOR (Melisma_translator,
69 /* descr */ "This translator collects melisma information about ties, beams, and user settings (@code{melismaBusy}, and signals it to the @code{\addlyrics} code. ",
71 /* accepts */ "melisma-playing-event melisma-span-event",
73 /* reads */ "melismaBusy melismaBusyProperties slurMelismaBusy tieMelismaBusy beamMelismaBusy",