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/*
clef.cc -- implement Clef_item
source file of the GNU LilyPond music typesetter
(c) 1997--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "clef.hh"
#include "font-interface.hh"
#include "international.hh"
#include "item.hh"
#include "stencil.hh"
MAKE_SCHEME_CALLBACK (Clef, calc_glyph_name, 1);
SCM
Clef::calc_glyph_name (SCM smob)
{
Item *s = unsmob_item (smob);
SCM glyph = s->get_property ("glyph");
if (scm_is_string (glyph))
{
string str = ly_scm2string (glyph);
if (to_boolean (s->get_property ("non-default"))
&& s->break_status_dir () != RIGHT
&& !to_boolean (s->get_property ("full-size-change")))
{
str += "_change";
}
return ly_string2scm (str);
}
s->suicide ();
return SCM_UNSPECIFIED;
}
MAKE_SCHEME_CALLBACK (Clef, print, 1)
SCM
Clef::print (SCM smob)
{
Grob *me = unsmob_grob (smob);
SCM glyph_scm = me->get_property ("glyph-name");
if (!scm_is_string (glyph_scm))
return SCM_EOL;
string glyph = string (ly_scm2string (glyph_scm));
Font_metric *fm = Font_interface::get_default_font (me);
Stencil out = fm->find_by_name (glyph);
if (out.is_empty ())
me->warning (_f ("clef `%s' not found", glyph.c_str ()));
return out.smobbed_copy ();
}
ADD_INTERFACE (Clef,
"A clef sign.",
/* properties */
"full-size-change "
"glyph "
"glyph-name "
"non-default "
);
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