2 text-engraver.cc -- implement Text_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 1998--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
9 #include "directional-element-interface.hh"
10 #include "engraver.hh"
11 #include "side-position-interface.hh"
15 #include "rhythmic-head.hh"
16 #include "text-item.hh"
20 typeset directions that are plain text.
22 class Text_engraver : public Engraver
24 Link_array<Music> evs_;
25 Link_array<Item> texts_;
27 TRANSLATOR_DECLARATIONS (Text_engraver);
29 virtual bool try_music (Music* m);
30 virtual void stop_translation_timestep ();
31 virtual void process_acknowledged_grobs ();
32 virtual void acknowledge_grob (Grob_info);
36 Text_engraver::try_music (Music *m)
38 if (m->is_mus_type ("text-script-event"))
47 Text_engraver::acknowledge_grob (Grob_info inf)
49 if (Rhythmic_head::has_interface (inf.grob_))
51 for (int i=0; i < texts_.size (); i++)
54 Side_position_interface::add_support (t,inf.grob_);
59 if (Side_position_interface::get_axis (t) == X_AXIS
60 && !t->get_parent (Y_AXIS))
61 t->set_parent (inf.grob_, Y_AXIS);
62 else if (Side_position_interface::get_axis (t) == Y_AXIS
63 && !t->get_parent (X_AXIS))
64 t->set_parent (inf.grob_, X_AXIS);
68 if (Stem::has_interface (inf.grob_))
70 for (int i=0; i < texts_.size (); i++)
72 Side_position_interface::add_support (texts_[i],inf.grob_);
78 Text_engraver::process_acknowledged_grobs ()
82 for (int i=0; i < evs_.size (); i++)
86 // URG: Text vs TextScript
87 Item *text = make_item ("TextScript", r->self_scm ());
91 Side_position_interface::set_axis (text, ax);
95 SCM s = text->get_property ("script-priority");
96 if (ly_c_number_p (s))
97 priority = ly_scm2int (s);
99 /* see script-engraver.cc */
102 text->set_property ("script-priority", scm_int2num (priority));
104 Direction dir = to_dir (r->get_property ("direction"));
106 set_grob_direction (text, dir);
109 SCM mark = r->get_property ("text");
111 text->set_property ("text", mark);
117 Text_engraver::stop_translation_timestep ()
124 Text_engraver::Text_engraver ()
128 ENTER_DESCRIPTION (Text_engraver,
129 /* descr */ "Create text-scripts",
130 /* creats*/ "TextScript",
131 /* accepts */ "text-script-event",
132 /* acks */ "rhythmic-head-interface stem-interface",