X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fdimension-cache.cc;h=4538f17bc11a22a2646741d5a14b67de299e7e7c;hb=1c5f3a48130a93fca93e9a4967fee0ee24a1dd20;hp=b33aeb4cb44d40c3535e3907c8580b40470b0b00;hpb=b7a0cffbf9d1069860368f289a5b50e9d1d90ba8;p=lilypond.git

diff --git a/lily/dimension-cache.cc b/lily/dimension-cache.cc
index b33aeb4cb4..4538f17bc1 100644
--- a/lily/dimension-cache.cc
+++ b/lily/dimension-cache.cc
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 1998--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  Copyright (C) 1998--2012 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
@@ -17,7 +17,6 @@
   along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-
 #include "dimension-cache.hh"
 
 #include "warn.hh"
@@ -31,6 +30,16 @@ Dimension_cache::Dimension_cache (Dimension_cache const &d)
   extent_ = d.extent_ ? new Interval (*d.extent_) : 0;
 }
 
+Dimension_cache &
+Dimension_cache::operator = (Dimension_cache const &d)
+{
+  clear ();
+  offset_ = d.offset_ ? new Real (*d.offset_) : 0;
+  parent_ = d.parent_;
+  extent_ = d.extent_ ? new Interval (*d.extent_) : 0;
+  return *this;
+}
+
 Dimension_cache::Dimension_cache ()
 {
   init ();