Some of the low-hanging fruit in libglabels.

libglabels/Point.cpp

@@ -0,0 +1,54 @@
+/*  Point.cpp
+ *
+ *  Copyright (C) 2013  Jim Evins <evins@snaught.com>
+ *
+ *  This file is part of gLabels-qt.
+ *
+ *  gLabels-qt 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.
+ *
+ *  gLabels-qt 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 gLabels-qt.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "Point.h"
+
+
+namespace libglabels
+{
+
+	int Point::compare_to( const Point &b )
+	{
+		if ( mY < b.mY )
+		{
+			return -1;
+		}
+		else if ( mY > b.mY )
+		{
+			return 1;
+		}
+		else
+		{
+			if ( mX < b.mX )
+			{
+				return -1;
+			}
+			else if ( mX > b.mX )
+			{
+				return 1;
+			}
+			else
+			{
+				return 0; /* hopefully 2 label frames won't have the same origin. */
+			}
+		}
+	}
+
+}