X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ffont-size-engraver.cc;h=3889a89e3b793fbb2c903a232a0fe7c78aeeabcb;hb=6d1c5d25389afa6dbbfb4722df3732e764cbbf2e;hp=762226f2c997d4f4361ee2f50a231f742326bcb8;hpb=a7f82e4dc22fc6219a9fe0f6874f8c91e3f31f24;p=lilypond.git

diff --git a/lily/font-size-engraver.cc b/lily/font-size-engraver.cc
index 762226f2c9..3889a89e3b 100644
--- a/lily/font-size-engraver.cc
+++ b/lily/font-size-engraver.cc
@@ -1,9 +1,20 @@
 /*
-  font-size-engraver.cc -- implement Font_size_engraver
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 2001--2015  Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 2001--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 "grob.hh"
@@ -14,40 +25,59 @@ class Font_size_engraver : public Engraver
 
   TRANSLATOR_DECLARATIONS (Font_size_engraver);
 protected:
-  virtual void acknowledge_grob (Grob_info gi);
+  void acknowledge_font (Grob_info);
+  void process_music ();
+  Real size;
 private:
 };
 
-Font_size_engraver::Font_size_engraver ()
+Font_size_engraver::Font_size_engraver (Context *c)
+  : Engraver (c)
 {
+  size = 0.0;
 }
 
 void
-Font_size_engraver::acknowledge_grob (Grob_info gi)
+Font_size_engraver::process_music ()
 {
-  SCM sz = get_property ("fontSize");
+  size = robust_scm2double (get_property ("fontSize"), 0.0);
+}
 
+void
+Font_size_engraver::acknowledge_font (Grob_info gi)
+{
   /*
     We only want to process a grob once.
   */
-  if (gi.context () != context ())
+  if (!size)
     return;
 
-  if (scm_is_number (sz) && scm_to_double (sz))
-    {
-      Real font_size = scm_to_double (sz);
+  if (gi.context () != context ())
+    return;
 
-      font_size += robust_scm2double (gi.grob ()->get_property ("font-size"), 0);
-      gi.grob ()->set_property ("font-size", scm_make_real (font_size));
-    }
+  Real font_size = size
+                   + robust_scm2double (gi.grob ()->get_property ("font-size"), 0);
+  gi.grob ()->set_property ("font-size", scm_from_double (font_size));
 }
 
 #include "translator.icc"
 
+void
+Font_size_engraver::boot ()
+{
+  ADD_ACKNOWLEDGER (Font_size_engraver, font);
+}
+
 ADD_TRANSLATOR (Font_size_engraver,
-		/* descr */ "Puts fontSize into font-relative-size grob property.",
-		/* creats*/ "",
-		/* accepts */ "",
-		/* acks  */ "font-interface",
-		/* reads */ "fontSize",
-		/* write */ "");
+                /* doc */
+                "Put @code{fontSize} into @code{font-size} grob property.",
+
+                /* create */
+                "",
+
+                /* read */
+                "fontSize ",
+
+                /* write */
+                ""
+               );