X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fcustos.cc;h=584dcaba4962a8c645db60d9432865c961084aa3;hb=47db9a3883d726ca53e2133a3b2298f78dd6a32e;hp=4e0010dcf6af748dc1aa098970496bf496790142;hpb=331698925e61452d37b6e54f9c506cccb3e328d9;p=lilypond.git

diff --git a/lily/custos.cc b/lily/custos.cc
index 4e0010dcf6..584dcaba49 100644
--- a/lily/custos.cc
+++ b/lily/custos.cc
@@ -1,9 +1,20 @@
 /*
-  custos.cc -- implement Custos
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 2000--2015 Juergen Reuter <reuter@ipd.uka.de>
 
-  (c) 2000--2006 Juergen Reuter <reuter@ipd.uka.de>
+  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/>.
 */
 
 /* TODO:
@@ -30,7 +41,7 @@ MAKE_SCHEME_CALLBACK (Custos, print, 1);
 SCM
 Custos::print (SCM smob)
 {
-  Item *me = (Item *)unsmob_grob (smob);
+  Item *me = (Item *)Grob::unsmob (smob);
 
   SCM scm_style = me->get_property ("style");
   string style;
@@ -51,7 +62,6 @@ Custos::print (SCM smob)
     = to_dir (me->get_property ("neutral-direction"));
 
   int pos = Staff_symbol_referencer::get_rounded_position (me);
-  int sz = Staff_symbol_referencer::line_count (me) - 1;
 
   string font_char = "custodes." + style + ".";
   if (pos < neutral_pos)
@@ -66,7 +76,7 @@ Custos::print (SCM smob)
     font_char += "d";
 
   if (adjust)
-    font_char += (((pos ^ sz) & 0x1) == 0) ? "1" : "0";
+    font_char += Staff_symbol_referencer::on_line (me, pos) ? "1" : "0";
   else
     font_char += "2";
 
@@ -81,8 +91,13 @@ Custos::print (SCM smob)
   return stencil.smobbed_copy ();
 }
 
-ADD_INTERFACE (Custos, "custos-interface",
-	       "A custos object.",
-	       "style "
-	       "neutral-position "
-	       "neutral-direction ");
+ADD_INTERFACE (Custos,
+               "A custos object.  @code{style} can have four valid values:"
+               " @code{mensural}, @code{vaticana}, @code{medicaea}, and"
+               " @code{hufnagel}.  @code{mensural} is the default style.",
+
+               /* properties */
+               "style "
+               "neutral-position "
+               "neutral-direction "
+              );