1 files changed, 7 insertions, 0 deletions
diff --git a/lib/chessh/ssh/screens/screen.ex b/lib/chessh/ssh/screens/screen.ex
index be6e00e..3d9e9ec 100644
--- a/lib/chessh/ssh/screens/screen.ex
+++ b/lib/chessh/ssh/screens/screen.ex
@@ -10,6 +10,13 @@ defmodule Chessh.SSH.Client.Screen do
       @ascii_chars Application.compile_env!(:chessh, :ascii_chars_json_file)
                    |> File.read!()
                    |> Jason.decode!()
+
+      def center_rect({rect_width, rect_height}, {parent_width, parent_height}) do
+        {
+          div(parent_height - rect_height, 2),
+          div(parent_width - rect_width, 2)
+        }
+      end
     end
   end
 end