From ebb82093fb1a16af300f31e400cc5efcafd9d011 Mon Sep 17 00:00:00 2001
From: Robert Machmer <robert.machmer@gmail.com>
Date: Thu, 24 Dec 2015 00:40:50 +0100
Subject: [PATCH] Add function for getting the x and y coordinates of the
 graph's center

---
 fd/Graph.lua | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/fd/Graph.lua b/fd/Graph.lua
index 53043d2..b377b16 100644
--- a/fd/Graph.lua
+++ b/fd/Graph.lua
@@ -187,6 +187,13 @@ function Graph.new()
         return minX, maxX, minY, maxY;
     end
 
+    ---
+    -- Returns the x and y coordinates of the graph's center.
+    --
+    function self:getCenter()
+        return ( ( maxX - minX ) * 0.5 ) + minX, ( ( maxY - minY ) * 0.5 ) + minY;
+    end
+
     return self;
 end