2003 -> 2004

[lilypond.git] / lily / font-size-engraver.cc

diff --git a/lily/font-size-engraver.cc b/lily/font-size-engraver.cc
index 9730f30dd40f6b6397b76003ac7dda4d23b7e80f..7ef99111b45ce6634b0ff31ab65f237af9ca435f 100644 (file)
--- a/lily/font-size-engraver.cc
+++ b/lily/font-size-engraver.cc
@@ -1,39 +1,55 @@
 /*   
-  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>
+  (c) 2001--2004  Han-Wen Nienhuys <hanwen@cs.uu.nl>
   
  */
 
-#include "font-size-engraver.hh"
-#include "score-element.hh"
-#include "lily-guile.hh"
+#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));
+  SCM sz = get_property ("fontSize");
+
+  /*
+    We only want to process a grob once.
+   */
+  if (gi.origin_trans_->daddy_trans_ != daddy_trans_)
+    return ;
   
-  if (s.length_i ()  && s.isnum_b ())
+  if (gh_number_p (sz) && gh_scm2double (sz))
     {
-      size_i_ = int (s);
+      Real font_size = gh_scm2double (sz);
+      
+      font_size +=  robust_scm2double (gi.grob_->get_grob_property ("font-size"), 0);
+      gi.grob_->set_grob_property ("font-size", gh_double2scm (font_size));
     }
 }
 
-void
-Font_size_engraver::acknowledge_element (Score_element_info e)
-{
-  if (size_i_)
-    e.elem_l_->set_elt_property (fontsize_scm_sym,
-                                gh_int2scm (size_i_));
-}
-
-ADD_THIS_TRANSLATOR (Font_size_engraver);
 
+ENTER_DESCRIPTION(Font_size_engraver,
+/* descr */       "Puts fontSize into font-relative-size grob property.",
+/* creats*/       "",
+/* accepts */     "",
+/* acks  */      "font-interface",
+/* reads */       "fontSize",
+/* write */       "");