-/*
- font-size-engraver.cc -- implement Font_size_engraver
-
- source file of the GNU LilyPond music typesetter
-
- (c) 2001--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+/*
+ This file is part of LilyPond, the GNU music typesetter.
+
+ Copyright (C) 2001--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
+
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
+*/
#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);
+ void acknowledge_font (Grob_info);
+ void process_music ();
+ Real size;
private:
};
-
Font_size_engraver::Font_size_engraver ()
{
-
+ size = 0.0;
}
void
-Font_size_engraver::acknowledge_grob (Grob_info gi)
+Font_size_engraver::process_music ()
{
- SCM sz = get_property ("fontSize");
+ size = robust_scm2double (get_property ("fontSize"), 0.0);
+}
+void
+Font_size_engraver::acknowledge_font (Grob_info gi)
+{
/*
We only want to process a grob once.
- */
- if (gi.origin_trans_->daddy_context_ != daddy_context_)
- return ;
-
- if (gh_number_p (sz) && gh_scm2double (sz))
- {
- Real font_size = gh_scm2double (sz);
-
- font_size += robust_scm2double (gi.grob_->get_property ("font-size"), 0);
- gi.grob_->set_property ("font-size", gh_double2scm (font_size));
- }
+ */
+ if (!size)
+ return;
+
+ if (gi.context () != context ())
+ return;
+
+ Real font_size = size
+ + robust_scm2double (gi.grob ()->get_property ("font-size"), 0);
+ gi.grob ()->set_property ("font-size", scm_from_double (font_size));
}
+#include "translator.icc"
+
+void
+Font_size_engraver::boot ()
+{
+ ADD_ACKNOWLEDGER (Font_size_engraver, font);
+}
+
+ADD_TRANSLATOR (Font_size_engraver,
+ /* doc */
+ "Put @code{fontSize} into @code{font-size} grob property.",
+
+ /* create */
+ "",
+
+ /* read */
+ "fontSize ",
-ENTER_DESCRIPTION(Font_size_engraver,
-/* descr */ "Puts fontSize into font-relative-size grob property.",
-/* creats*/ "",
-/* accepts */ "",
-/* acks */ "font-interface",
-/* reads */ "fontSize",
-/* write */ "");
+ /* write */
+ ""
+ );