X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ffont-size-engraver.cc;h=9cb0397b7e4fb25b2b50eb5ac4908e902f381f7b;hb=5b4b0d6e9a197e8f9eb085b7c2ad78b8be3e5cfc;hp=a8554d4453a543a5d54599b340da7021f720bae9;hpb=94375d04f45b415ad705fd444fdb344416f116d9;p=lilypond.git

diff --git a/lily/font-size-engraver.cc b/lily/font-size-engraver.cc
index a8554d4453..9cb0397b7e 100644
--- a/lily/font-size-engraver.cc
+++ b/lily/font-size-engraver.cc
@@ -1,48 +1,66 @@
-/*   
-  font-size-engraver.cc --  implement 
-  
+/*
+  font-size-engraver.cc -- implement Font_size_engraver
+
   source file of the GNU LilyPond music typesetter
-  
-  (c) 2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-  
- */
+
+  (c) 2001--2008  Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
 
 #include "grob.hh"
 #include "engraver.hh"
 
 class Font_size_engraver : public Engraver
 {
-  
-  TRANSLATOR_DECLARATIONS(Font_size_engraver);
+
+  TRANSLATOR_DECLARATIONS (Font_size_engraver);
 protected:
-  virtual void acknowledge_grob (Grob_info gi);
+  DECLARE_ACKNOWLEDGER (font);
+  void process_music ();
+  Real size;
 private:
 };
 
-
 Font_size_engraver::Font_size_engraver ()
 {
+  size = 0.0;
+}
 
+void
+Font_size_engraver::process_music ()
+{
+  size = robust_scm2double (get_property ("fontSize"), 0.0);
 }
 
 void
-Font_size_engraver::acknowledge_grob (Grob_info gi)
+Font_size_engraver::acknowledge_font (Grob_info gi)
 {
-  SCM sz = get_property ("fontSize");
-
-  if (gh_number_p (sz)
-      && gh_scm2int (sz)
-      && !gh_number_p (gi.grob_l_->get_grob_property ("font-relative-size")))
-    {
-      gi.grob_l_->set_grob_property ("font-relative-size", sz);
-    }
+  /*
+    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));
 }
 
+#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 ",
 
-ENTER_DESCRIPTION(Font_size_engraver,
-/* descr */       "Puts fontSize into font-relative-size grob property.",
-/* creats*/       "",
-/* acks  */       "grob-interface",
-/* reads */       "fontSize",
-/* write */       "");
+		/* write */
+		""
+		);