2003 -> 2004

[lilypond.git] / lily / clef.cc

diff --git a/lily/clef.cc b/lily/clef.cc
index 589ca0856ec3ec45bf6ffd9419767baea31f13ce..d598486a036e2e5078ea8aa8c7e0006287a97c4e 100644 (file)
--- a/lily/clef.cc
+++ b/lily/clef.cc
@@ -1,13 +1,11 @@
-
 /*
   clef.cc -- implement Clef_item
 
   source file of the GNU LilyPond music typesetter
 
-  (c)  1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
 
-
 #include "clef.hh"
 #include "string.hh"
 #include "molecule.hh"
@@ -21,7 +19,7 @@ MAKE_SCHEME_CALLBACK (Clef,before_line_breaking,1);
 SCM
 Clef::before_line_breaking (SCM smob)
 {
-  Item * s = unsmob_item (smob);
+  Item *s = unsmob_item (smob);
 
   SCM glyph = s->get_grob_property ("glyph-name");
   
@@ -34,7 +32,7 @@ Clef::before_line_breaking (SCM smob)
          && !to_boolean (s->get_grob_property ("full-size-change")))
        {
          str += "_change";
-         s->set_grob_property ("glyph-name", ly_str02scm (str.ch_C ()));         
+         s->set_grob_property ("glyph-name", scm_makfrom0str (str.to_str0 ()));          
        }
     }
   else
@@ -46,11 +44,6 @@ Clef::before_line_breaking (SCM smob)
   return SCM_UNSPECIFIED;
 }
 
-bool
-Clef::has_interface (Grob* me)
-{
-  return me->has_interface (ly_symbol2scm ("clef-interface"));
-}
 
 
 
@@ -58,16 +51,19 @@ MAKE_SCHEME_CALLBACK (Clef,brew_molecule,1)
 SCM
 Clef::brew_molecule (SCM smob) 
 {
-  Grob * sc = unsmob_grob (smob);
-  SCM glyph = sc->get_grob_property ("glyph-name");
-  if (gh_string_p (glyph))
-    {
-      return Font_interface::get_default_font (sc)->find_by_name (String (ly_scm2string (glyph))).smobbed_copy ();
-    }
-  else
+  Grob *me = unsmob_grob (smob);
+  SCM glyph_scm = me->get_grob_property ("glyph-name");
+  if (!gh_string_p (glyph_scm))
+    return SCM_EOL;
+
+  String glyph = String (ly_scm2string (glyph_scm));
+  Font_metric *fm = Font_interface::get_default_font (me);
+  Molecule out = fm->find_by_name (glyph);
+  if (out.is_empty ())
     {
-      return SCM_EOL;
+      me->warning (_f ("clef `%s' not found", glyph.to_str0 ()));
     }
+  return out.smobbed_copy ();
 }