-/*
- font-interface.cc -- implement Font_interface
-
+/*
+ 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--2008 Han-Wen Nienhuys <hanwen@xs4all.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;
-
- SCM ss = me->paper_l ()->style_sheet_;
+ Font_metric *fm = unsmob_metrics (me->get_property ("font"));
+ if (!fm)
+ {
+ SCM chain = music_font_alist_chain (me);
- SCM proc = gh_cdr (scm_assoc (ly_symbol2scm ("properties-to-font"),
- ss));
+ fm = select_font (me->layout (), chain);
+ me->set_property ("font", fm->self_scm ());
+ }
- SCM fonts = gh_cdr (scm_assoc (ly_symbol2scm ("fonts"), ss));
- SCM defaults = gh_cdr (scm_assoc (ly_symbol2scm ("font-defaults"),
- ss));
+ return fm;
+}
- 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->layout ()->lookup_variable (ly_symbol2scm ("font-defaults"));
+ if (defaults == SCM_UNDEFINED)
+ defaults = SCM_EOL;
+ 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->layout ()->lookup_variable (ly_symbol2scm ("text-font-defaults"));
+ if (defaults == SCM_UNDEFINED)
+ defaults = SCM_EOL;
+ return g->get_property_alist_chain (defaults);
}
+
+ADD_INTERFACE (Font_interface,
+ "Any symbol that is typeset through fixed sets of glyphs,"
+ " (i.e., fonts).",
+
+ /* properties */
+ "font "
+ "font-encoding "
+ "font-family "
+ "font-name "
+ "font-series "
+ "font-shape "
+ "font-size "
+ );