X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ffont-interface.cc;h=5e5f18ceb3f8a83d133820d762228c06a0cc44ad;hb=8cf69a467ad7650f5ca9da6fe2dfd4c7c088b239;hp=878c3031a413fc42c2866dcfae9f890cecf712d4;hpb=58bcc84c9480dae1b21bc24d8396b91fe19e0131;p=lilypond.git

diff --git a/lily/font-interface.cc b/lily/font-interface.cc
index 878c3031a4..5e5f18ceb3 100644
--- a/lily/font-interface.cc
+++ b/lily/font-interface.cc
@@ -1,9 +1,20 @@
 /*
-  font-interface.cc -- implement Font_interface
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 2000--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 2000--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  LilyPond is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  LilyPond is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "font-interface.hh"
@@ -17,33 +28,25 @@
 Font_metric *
 Font_interface::get_default_font (Grob *me)
 {
-  Font_metric *fm = unsmob_metrics (me->get_property ("font"));
+  Font_metric *fm = unsmob<Font_metric> (me->get_property ("font"));
   if (!fm)
     {
       SCM chain = music_font_alist_chain (me);
 
-      fm = select_font (me->get_layout (), chain);
+      fm = select_font (me->layout (), chain);
       me->set_property ("font", fm->self_scm ());
     }
 
   return fm;
 }
 
-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");
-
-  return Font_interface::get_default_font (gr)->self_scm ();
-}
-
 SCM
 Font_interface::music_font_alist_chain (Grob *g)
 {
   SCM defaults
-    = g->get_layout ()->lookup_variable (ly_symbol2scm ("font-defaults"));
+    = g->layout ()->lookup_variable (ly_symbol2scm ("font-defaults"));
+  if (SCM_UNBNDP (defaults))
+    defaults = SCM_EOL;
   return g->get_property_alist_chain (defaults);
 }
 
@@ -51,12 +54,23 @@ SCM
 Font_interface::text_font_alist_chain (Grob *g)
 {
   SCM defaults
-    = g->get_layout ()->lookup_variable (ly_symbol2scm ("text-font-defaults"));
+    = g->layout ()->lookup_variable (ly_symbol2scm ("text-font-defaults"));
+  if (SCM_UNBNDP (defaults))
+    defaults = SCM_EOL;
   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");
+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 "
+               "font-features "
+              );