-/*
- 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 */ "");