/*
- 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)
{
- SCM 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 (SCM_NUMBERP(s))
+ if (gh_number_p (sz) && gh_scm2double (sz))
{
- size_i_ = gh_scm2int (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_->get_elt_property (fontsize_scm_sym) == SCM_BOOL_F)
- {
- 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 */ "");