X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fbreathing-sign.cc;h=a59bd650703fe2aafc2ea40e58b2e85492c78a6b;hb=refs%2Fheads%2Fbugs%2F567849;hp=3c32a766d22b30ea83458efb79e93a087694364e;hpb=474c8729dc274a30558102a015a01fa5882673db;p=lilypond.git

diff --git a/lily/breathing-sign.cc b/lily/breathing-sign.cc
index 3c32a766d2..a59bd65070 100644
--- a/lily/breathing-sign.cc
+++ b/lily/breathing-sign.cc
@@ -1,31 +1,35 @@
 /*
-  breathing_sign.cc -- implement Breathing_sign
+  This file is part of LilyPond, the GNU music typesetter.
 
-  (c) 1999--2007 Michael Krause
+  Copyright (C) 1999--2011 Michael Krause
+  Extensions for ancient notation (c) 2003--2011 by Juergen Reuter
 
-  written for the GNU LilyPond music typesetter
+  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.
 
-  TODO: --> see breathing-sign-engraver.cc
+  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.
 
-  Extensions for ancient notation (c) 2003--2007 by Juergen Reuter
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "breathing-sign.hh"
 
-#include "staff-symbol-referencer.hh"
-#include "directional-element-interface.hh"
-#include "output-def.hh"
-#include "lookup.hh"
 #include "dimensions.hh"
 #include "direction.hh"
-#include "text-interface.hh"
+#include "directional-element-interface.hh"
 #include "font-interface.hh"
 #include "grob.hh"
-
-/*
-  TODO: thickness should be a grob property (unit: linethickness)
-  rather than hardwired to (staff_space / 6).
-*/
+#include "lookup.hh"
+#include "output-def.hh"
+#include "staff-symbol.hh"
+#include "staff-symbol-referencer.hh"
+#include "text-interface.hh"
 
 /*
   UGH : this is full of C&P code. Consolidate!  --hwn
@@ -169,14 +173,20 @@ Breathing_sign::offset_callback (SCM smob)
       set_grob_direction (me, d);
     }
 
-  Real inter = Staff_symbol_referencer::staff_space (me) / 2;
-  int sz = Staff_symbol_referencer::line_count (me) - 1;
-  return scm_from_double (inter * sz * d);
+  Grob *staff = Staff_symbol_referencer::get_staff_symbol (me);
+  if (staff)
+    {
+      Interval iv = Staff_symbol::line_span (staff);
+      Real inter = Staff_symbol::staff_space (me) / 2;
+      return scm_from_double (inter * iv[d]);
+    }
+
+  return scm_from_double (0.0);
 }
 
 ADD_INTERFACE (Breathing_sign,
 	       "A breathing sign.",
-	       
-	       "direction "
 
+	       /* properties */
+	       "direction "
 	       );