-/*
+/*
font-interface.cc -- implement Font_interface
source file of the GNU LilyPond music typesetter
-
- (c) 2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
-#include "all-font-metrics.hh"
-#include "font-metric.hh"
+ (c) 2000--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+*/
+
#include "font-interface.hh"
-#include "score-element.hh"
-#include "paper-def.hh"
-/*
- todO : split up this func, reuse in text_item?
- */
+#include "all-font-metrics.hh"
+#include "output-def.hh"
+#include "warn.hh"
+#include "grob.hh"
+
+/* todo: split up this func, reuse in text_item? */
Font_metric *
-Font_interface::get_default_font (Score_element*me)
+Font_interface::get_default_font (Grob *me)
{
- Font_metric * fm = unsmob_metrics (me->get_elt_property ("font"));
- if (fm)
- return fm;
+ Font_metric *fm = unsmob_metrics (me->get_property ("font"));
+ if (!fm)
+ {
+ SCM chain = music_font_alist_chain (me);
+
+ fm = select_font (me->get_layout (), chain);
+ me->set_property ("font", fm->self_scm ());
+ }
+
+ return fm;
+}
- SCM ss = me->paper_l ()->style_sheet_;
+LY_DEFINE (ly_font_interface_get_default_font, "ly:get-default-font",
+ 1 , 0, 0, (SCM grob),
+ "Return the default font for grob @var{gr}.")
+{
+ Grob *gr = unsmob_grob (grob);
+ SCM_ASSERT_TYPE (gr, grob, SCM_ARG1, __FUNCTION__, "grob");
- SCM proc = gh_cdr (scm_assoc (ly_symbol2scm ("properties-to-font"),
- ss));
+ return Font_interface::get_default_font (gr)->self_scm ();
+}
- SCM fonts = gh_cdr (scm_assoc (ly_symbol2scm ("fonts"), ss));
- SCM defaults = gh_cdr (scm_assoc (ly_symbol2scm ("font-defaults"),
- ss));
- assert (gh_procedure_p (proc));
- SCM font_name = gh_call2 (proc, fonts,
- gh_list (me->mutable_property_alist_,
- me->immutable_property_alist_,
- defaults,
- SCM_UNDEFINED));
+SCM
+Font_interface::music_font_alist_chain (Grob *g)
+{
+ SCM defaults
+ = g->get_layout ()->lookup_variable (ly_symbol2scm ("font-defaults"));
+ return g->get_property_alist_chain (defaults);
+}
- fm = me->paper_l ()->find_font (font_name, 1.0);
- me->set_elt_property ("font", fm->self_scm ());
- return fm;
+SCM
+Font_interface::text_font_alist_chain (Grob *g)
+{
+ SCM defaults
+ = g->get_layout ()->lookup_variable (ly_symbol2scm ("text-font-defaults"));
+ return g->get_property_alist_chain (defaults);
}
+
+ADD_INTERFACE (Font_interface, "font-interface",
+ "Any symbol that is typeset through fixed sets of glyphs, "
+ " (ie. fonts)",
+ "font-magnification font font-series font-shape "
+ "font-family font-encoding font-name font-size");