/*
- font-size-grav.cc -- implement Font_size_engraver
+ font-size-engraver.cc -- implement
source file of the GNU LilyPond music typesetter
- (c) 1998--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 2001--2002 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"
-Font_size_engraver::Font_size_engraver ()
+class Font_size_engraver : public Engraver
{
- size_i_ = 0;
-}
+
+ TRANSLATOR_DECLARATIONS(Font_size_engraver);
+protected:
+ virtual void acknowledge_grob (Grob_info gi);
+private:
+};
-void
-Font_size_engraver::do_process_requests ()
+
+Font_size_engraver::Font_size_engraver ()
{
- SCM s (get_property ("fontSize", 0));
-
- if (SCM_NUMBERP(s))
- {
- size_i_ = gh_scm2int (s);
- }
+
}
+/*
+ TODO: use fontSize = NUMBER as a scaling constant: find the closest
+ integer design size, and use magnification to do the fractional bit.
+*/
void
-Font_size_engraver::acknowledge_element (Score_element_info e)
+Font_size_engraver::acknowledge_grob (Grob_info gi)
{
- if (size_i_ && e.elem_l_->get_elt_property (fontsize_scm_sym) == SCM_BOOL_F)
+ 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")))
{
- e.elem_l_->set_elt_property (fontsize_scm_sym,
- gh_int2scm (size_i_));
+ gi.grob_l_->set_grob_property ("font-relative-size", sz);
}
}
-ADD_THIS_TRANSLATOR (Font_size_engraver);
+
+
+ENTER_DESCRIPTION(Font_size_engraver,
+/* descr */ "Puts fontSize into font-relative-size grob property.",
+/* creats*/ "",
+/* acks */ "font-interface",
+/* reads */ "fontSize",
+/* write */ "");