-/*
- 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"
-#include "font-interface.hh"
-#include "score-element.hh"
-#include "paper-def.hh"
+/*
+ font-interface.cc -- implement Font_interface
+ source file of the GNU LilyPond music typesetter
-SCM
-Font_interface::font_alist_chain (Score_element *me)
-{
- SCM defaults = gh_cdr (scm_assoc (ly_symbol2scm ("font-defaults"),
- me->paper_l ()->style_sheet_ ));
+ (c) 2000--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
- SCM ch = gh_list (me->mutable_property_alist_,
- me->immutable_property_alist_,
- defaults,
- SCM_UNDEFINED);
+#include "font-interface.hh"
- return ch;
-}
+#include "all-font-metrics.hh"
+#include "output-def.hh"
+#include "warn.hh"
+#include "grob.hh"
-/*
- todo: split up this func, reuse in text_item?
- */
+/* 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->layout (), chain);
+ me->set_property ("font", fm->self_scm ());
+ }
- fm = get_font (me, font_alist_chain (me));
- me->set_elt_property ("font", fm->self_scm ());
return fm;
}
-Font_metric *
-Font_interface::get_font (Score_element *me, SCM chain)
+SCM
+Font_interface::music_font_alist_chain (Grob *g)
{
-
- SCM ss = me->paper_l ()->style_sheet_;
-
- SCM proc = gh_cdr (scm_assoc (ly_symbol2scm ("properties-to-font"),
- ss));
-
- SCM fonts = gh_cdr (scm_assoc (ly_symbol2scm ("fonts"), ss));
-
- assert (gh_procedure_p (proc));
- SCM font_name = gh_call2 (proc, fonts, chain);
-
- Font_metric *fm = me->paper_l ()->find_font (font_name, 1.0);
-
- return fm;
+ SCM defaults
+ = g->layout ()->lookup_variable (ly_symbol2scm ("font-defaults"));
+ if (defaults == SCM_UNDEFINED)
+ defaults = SCM_EOL;
+ return g->get_property_alist_chain (defaults);
}
SCM
-Font_interface::add_style (Score_element* me, SCM style, SCM chain)
+Font_interface::text_font_alist_chain (Grob *g)
{
- assert (gh_symbol_p (style));
-
- SCM sheet = me->paper_l ()->style_sheet_;
-
- SCM style_alist = gh_cdr (scm_assoc (ly_symbol2scm ("style-alist"), sheet));
- SCM entry = scm_assoc (style, style_alist);
- if (gh_pair_p (entry))
- {
- chain = gh_cons (gh_cdr (entry), chain);
- }
- return chain;
+ 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 "
+ );