+/** Direction for subtitle test */
+enum Direction
+{
+ DIRECTION_LTR, ///< left-to-right
+ DIRECTION_RTL, ///< right-to-left
+ DIRECTION_TTB, ///< top-to-bottom
+ DIRECTION_BTT ///< bottom-to-top
+};
+
+extern std::string direction_to_string (Direction a);
+extern Direction string_to_direction (std::string s);
+