-/*
- font-size-engraver.cc -- implement
-
+/*
+ font-size-engraver.cc -- implement Font_size_engraver
+
source file of the GNU LilyPond music typesetter
-
- (c) 2001--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+
+ (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);
+
+ TRANSLATOR_DECLARATIONS (Font_size_engraver);
protected:
virtual void acknowledge_grob (Grob_info gi);
private:
};
-
Font_size_engraver::Font_size_engraver ()
{
-
}
void
{
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")))
+ /*
+ We only want to process a grob once.
+ */
+ if (gi.context () != context ())
+ return;
+
+ if (scm_is_number (sz) && scm_to_double (sz))
{
- gi.grob_l_->set_grob_property ("font-relative-size", sz);
+ Real font_size = scm_to_double (sz);
+
+ font_size += robust_scm2double (gi.grob ()->get_property ("font-size"), 0);
+ gi.grob ()->set_property ("font-size", scm_make_real (font_size));
}
}
-
-
-ENTER_DESCRIPTION(Font_size_engraver,
-/* descr */ "Puts fontSize into font-relative-size grob property.",
-/* creats*/ "",
-/* acks */ "grob-interface",
-/* reads */ "fontSize",
-/* write */ "");
+ADD_TRANSLATOR (Font_size_engraver,
+ /* descr */ "Puts fontSize into font-relative-size grob property.",
+ /* creats*/ "",
+ /* accepts */ "",
+ /* acks */ "font-interface",
+ /* reads */ "fontSize",
+ /* write */ "");