2 font-interface.cc -- implement Font_interface
4 source file of the GNU LilyPond music typesetter
6 (c) 2000--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
9 #include "font-interface.hh"
11 #include "all-font-metrics.hh"
12 #include "output-def.hh"
16 /* todo: split up this func, reuse in text_item? */
18 Font_interface::get_default_font (Grob *me)
20 Font_metric *fm = unsmob_metrics (me->get_property ("font"));
23 SCM chain = music_font_alist_chain (me);
25 fm = select_font (me->get_layout (), chain);
26 me->set_property ("font", fm->self_scm ());
32 LY_DEFINE (ly_font_interface_get_default_font, "ly:get-default-font",
34 "Return the default font for grob @var{gr}.")
36 Grob *gr = unsmob_grob (grob);
37 SCM_ASSERT_TYPE (gr, grob, SCM_ARG1, __FUNCTION__, "grob");
39 return Font_interface::get_default_font (gr)->self_scm ();
43 Font_interface::music_font_alist_chain (Grob *g)
46 = g->get_layout ()->lookup_variable (ly_symbol2scm ("font-defaults"));
47 return g->get_property_alist_chain (defaults);
51 Font_interface::text_font_alist_chain (Grob *g)
54 = g->get_layout ()->lookup_variable (ly_symbol2scm ("text-font-defaults"));
55 return g->get_property_alist_chain (defaults);
58 ADD_INTERFACE (Font_interface, "font-interface",
59 "Any symbol that is typeset through fixed sets of glyphs, "
61 "font-magnification font font-series font-shape "
62 "font-family font-encoding font-name font-size");