X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fstaff-symbol-referencer-scheme.cc;h=1fe886ec0a5a76ee169f2869600419614a58db68;hb=f2bd717cbca1a2f3d00b2dc37eca5be39c6e2c33;hp=74dd8c2e3a97671ce06eb9882ecbef37e5c4a081;hpb=1efdabf3b2349ea7fa3183dca5bba5104c347c36;p=lilypond.git

diff --git a/lily/staff-symbol-referencer-scheme.cc b/lily/staff-symbol-referencer-scheme.cc
index 74dd8c2e3a..1fe886ec0a 100644
--- a/lily/staff-symbol-referencer-scheme.cc
+++ b/lily/staff-symbol-referencer-scheme.cc
@@ -1,9 +1,20 @@
 /*
-  staff-symbol-referencer-scheme.cc -- implement Staff_symbol_referencer bindings
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 1999--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 1999--2009 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"
@@ -19,7 +30,7 @@ LY_DEFINE (ly_grob_staff_position, "ly:grob-staff-position",
   Grob *g = unsmob_grob (sg);
   Real pos = Staff_symbol_referencer::get_position (g);
 
-  if (fabs (rint (pos) -pos) < 1e-6) // ugh.
+  if (fabs (rint (pos) - pos) < 1e-6) // ugh.
     return scm_from_int ((int) my_round (pos));
   else
     return scm_from_double (pos);
@@ -28,7 +39,7 @@ LY_DEFINE (ly_grob_staff_position, "ly:grob-staff-position",
 LY_DEFINE (ly_position_on_line_p, "ly:position-on-line?",
            2, 0, 0, (SCM sg, SCM spos),
            "Return whether @var{spos} is on a line of the staff associated"
-           " with the the grob @var{sg} (even on an extender line).")
+           " with the grob @var{sg} (even on an extender line).")
 {
   LY_ASSERT_SMOB (Grob, sg, 1);
   LY_ASSERT_TYPE (scm_is_number, spos, 2);
@@ -60,3 +71,14 @@ LY_DEFINE (ly_staff_symbol_staff_space, "ly:staff-symbol-staff-space",
   Real staff_space = Staff_symbol_referencer::staff_space (g);
   return scm_from_double (staff_space);
 }
+
+LY_DEFINE (ly_staff_symbol_staff_radius, "ly:staff-symbol-staff-radius",
+           1, 0, 0, (SCM grob),
+           "Returns the radius of the staff associated with"
+           " @var{grob}.")
+{
+  LY_ASSERT_SMOB (Grob, grob, 1);
+  Grob *g = unsmob_grob (grob);
+  Real staff_radius = Staff_symbol_referencer::staff_radius (g);
+  return scm_from_double (staff_radius);
+}