X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ffont-size-engraver.cc;h=bc372a6a43e03481c6e387cdc286733c3d752792;hb=951e47c99cccf317207848412262b9c6c37e01aa;hp=22436f0aba28c5c775bfa0f2f07ab0484dea829b;hpb=73be5f6fe264e90a56e45f2d70129b133731188b;p=lilypond.git

diff --git a/lily/font-size-engraver.cc b/lily/font-size-engraver.cc
index 22436f0aba..bc372a6a43 100644
--- a/lily/font-size-engraver.cc
+++ b/lily/font-size-engraver.cc
@@ -1,38 +1,51 @@
-/*   
-  font-size-grav.cc --  implement Font_size_engraver
-  
+/*
+  font-size-engraver.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"
+  (c) 2001--2005  Han-Wen Nienhuys <hanwen@cs.uu.nl>
+*/
+
+#include "grob.hh"
+#include "engraver.hh"
+
+class Font_size_engraver : public Engraver
+{
+
+  TRANSLATOR_DECLARATIONS (Font_size_engraver);
+protected:
+  virtual void acknowledge_grob (Grob_info gi);
+private:
+};
 
 Font_size_engraver::Font_size_engraver ()
 {
-  size_i_ = 0;
 }
 
 void
-Font_size_engraver::do_process_requests ()
+Font_size_engraver::acknowledge_grob (Grob_info gi)
 {
-  Scalar s (get_property ("fontsize", 0));
-  
-  if (s.length_i ()  && s.isnum_b ())
+  SCM sz = get_property ("fontSize");
+
+  /*
+    We only want to process a grob once.
+  */
+  if (gi.context () != context ())
+    return;
+
+  if (scm_is_number (sz) && scm_to_double (sz))
     {
-      size_i_ = int (s);
-    }
-}
+      Real font_size = scm_to_double (sz);
 
-void
-Font_size_engraver::acknowledge_element (Score_element_info e)
-{
-  e.elem_l_->set_elt_property (ly_symbol ("fontsize"),
-			       gh_int2scm (size_i_));
+      font_size += robust_scm2double (gi.grob_->get_property ("font-size"), 0);
+      gi.grob_->set_property ("font-size", scm_make_real (font_size));
+    }
 }
 
-ADD_THIS_TRANSLATOR (Font_size_engraver);
-
+ADD_TRANSLATOR (Font_size_engraver,
+		/* descr */ "Puts fontSize into font-relative-size grob property.",
+		/* creats*/ "",
+		/* accepts */ "",
+		/* acks  */ "font-interface",
+		/* reads */ "fontSize",
+		/* write */ "");