2 hara-kiri-engraver.cc -- implement Hara_kiri_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
10 #include "axis-group-engraver.hh"
11 #include "hara-kiri-group-spanner.hh"
12 #include "rhythmic-head.hh"
14 class Hara_kiri_engraver : public Axis_group_engraver
17 virtual Spanner *get_spanner ();
18 virtual void acknowledge_grob (Grob_info);
19 virtual void add_element (Grob *e);
20 virtual void start_translation_timestep ();
24 TRANSLATOR_DECLARATIONS (Hara_kiri_engraver);
28 Hara_kiri_engraver::start_translation_timestep ()
30 Axis_group_engraver::start_translation_timestep ();
31 interesting_ = get_property ("keepAliveInterfaces");
36 Hara_kiri_engraver::add_element (Grob *e)
38 Hara_kiri_group_spanner::add_element (staffline_, e);
42 Hara_kiri_engraver::get_spanner ()
44 Spanner *sp = make_spanner ("RemoveEmptyVerticalGroup", SCM_EOL);
50 Hara_kiri_engraver::acknowledge_grob (Grob_info i)
52 Axis_group_engraver::acknowledge_grob (i);
55 for (SCM s = interesting_; scm_is_pair (s); s = scm_cdr (s))
57 if (i.grob ()->internal_has_interface (scm_car (s)))
58 Hara_kiri_group_spanner::add_interesting_item (staffline_, i.grob ());
63 Hara_kiri_engraver::Hara_kiri_engraver ()
65 interesting_ = SCM_EOL;
68 ADD_TRANSLATOR (Hara_kiri_engraver,
69 /* descr */ "Like Axis_group_engraver, but make a hara-kiri spanner, and add "
70 "interesting items (ie. note heads, lyric syllables and normal rests) ",
71 /* creats*/ "RemoveEmptyVerticalGroup",
73 /* acks */ "grob-interface",
74 /* reads */ "keepAliveInterfaces",