Missing file.

diff --git a/src/lib/position_image.cc b/src/lib/position_image.cc
new file mode 100644 (file)
index 0000000..44c1262
--- /dev/null
+++ b/src/lib/position_image.cc
@@ -0,0 +1,37 @@
+/*
+    Copyright (C) 2014 Carl Hetherington <cth@carlh.net>
+
+    This program 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 2 of the License, or
+    (at your option) any later version.
+
+    This program 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 this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include "position_image.h"
+#include "image.h"
+
+using std::cout;
+
+bool
+PositionImage::same (PositionImage const & other) const
+{
+       if (image != other.image || position != other.position) {
+               return false;
+       }
+
+       if (!image) {
+               return true;
+       }
+
+       return *image == *(other.image);
+}