X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ffont-size-engraver.cc;h=b9250358dd2197a48356529db9aa5db9954f9bdb;hb=47db9a3883d726ca53e2133a3b2298f78dd6a32e;hp=0edf7e59015b150ca8bf1aa062eed1a94c329a22;hpb=d6048913c2c793a6298a3e16a1a25c76711463b1;p=lilypond.git

diff --git a/lily/font-size-engraver.cc b/lily/font-size-engraver.cc
index 0edf7e5901..b9250358dd 100644
--- a/lily/font-size-engraver.cc
+++ b/lily/font-size-engraver.cc
@@ -1,39 +1,77 @@
-/*   
-  font-size-grav.cc --  implement Font_size_engraver
-  
-  source file of the GNU LilyPond music typesetter
-  
-  (c) 1998--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-  
- */
-
-#include "font-size-engraver.hh"
-#include "score-element.hh"
-#include "lily-guile.hh"
+/*
+  This file is part of LilyPond, the GNU music typesetter.
+
+  Copyright (C) 2001--2015  Han-Wen Nienhuys <hanwen@xs4all.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 "grob.hh"
+#include "engraver.hh"
+
+class Font_size_engraver : public Engraver
+{
+
+  TRANSLATOR_DECLARATIONS (Font_size_engraver);
+protected:
+  DECLARE_ACKNOWLEDGER (font);
+  void process_music ();
+  Real size;
+private:
+};
 
 Font_size_engraver::Font_size_engraver ()
 {
-  size_i_ = 0;
+  size = 0.0;
 }
 
 void
-Font_size_engraver::do_process_requests ()
+Font_size_engraver::process_music ()
 {
-  Scalar s (get_property ("fontSize", 0));
-  
-  if (s.length_i ()  && s.isnum_b ())
-    {
-      size_i_ = int (s);
-    }
+  size = robust_scm2double (get_property ("fontSize"), 0.0);
 }
 
 void
-Font_size_engraver::acknowledge_element (Score_element_info e)
+Font_size_engraver::acknowledge_font (Grob_info gi)
 {
-  if (size_i_)
-    e.elem_l_->set_elt_property (fontsize_scm_sym,
-				 gh_int2scm (size_i_));
+  /*
+    We only want to process a grob once.
+  */
+  if (!size)
+    return;
+
+  if (gi.context () != context ())
+    return;
+
+  Real font_size = size
+                   + robust_scm2double (gi.grob ()->get_property ("font-size"), 0);
+  gi.grob ()->set_property ("font-size", scm_from_double (font_size));
 }
 
-ADD_THIS_TRANSLATOR (Font_size_engraver);
+#include "translator.icc"
+
+ADD_ACKNOWLEDGER (Font_size_engraver, font);
+ADD_TRANSLATOR (Font_size_engraver,
+                /* doc */
+                "Put @code{fontSize} into @code{font-size} grob property.",
+
+                /* create */
+                "",
+
+                /* read */
+                "fontSize ",
 
+                /* write */
+                ""
+               );