X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Faxis-group-interface-scheme.cc;h=ec89e8337cbda15e93de3deffa06d99c30a1cace;hb=0b544cfb7332615ef809b71b57ab656741311ae1;hp=fac97c2dee5e33a2e6558be709796d8908432845;hpb=f93e4199873c91ae32f0e84a610d14853dc379df;p=lilypond.git

diff --git a/lily/axis-group-interface-scheme.cc b/lily/axis-group-interface-scheme.cc
index fac97c2dee..ec89e8337c 100644
--- a/lily/axis-group-interface-scheme.cc
+++ b/lily/axis-group-interface-scheme.cc
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 2005--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  Copyright (C) 2005--2014 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
@@ -46,6 +46,20 @@ LY_DEFINE (ly_relative_group_extent, "ly:relative-group-extent",
   return ly_interval2scm (ext);
 }
 
+LY_DEFINE (ly_generic_bound_extent, "ly:generic-bound-extent",
+           2, 0, 0, (SCM grob, SCM common),
+           "Determine the extent of @var{grob} relative to @var{common} along"
+           " the X axis, finding its extent as a bound when it a has"
+           " @code{bound-alignment-interfaces} property list set and"
+           " otherwise the full extent.")
+{
+  LY_ASSERT_SMOB (Grob, grob, 1);
+  LY_ASSERT_SMOB (Grob, common, 2);
+
+  Interval ext = Axis_group_interface::generic_bound_extent (unsmob_grob (grob), unsmob_grob (common), X_AXIS);
+  return ly_interval2scm (ext);
+}
+
 LY_DEFINE (ly_axis_group_interface__add_element, "ly:axis-group-interface::add-element",
            2, 0, 0, (SCM grob, SCM grob_element),
            "Set @var{grob} the parent of @var{grob-element} on all axes of"