+ void computeEsse(int orientationFrom);
+ void computeStaircase(int orientationFrom);
+ void computeHookSmallEnd(int orientationFrom, int orientationTo);
+ void computeHookSmallStart(int orientationFrom, int orientationTo);
+ void computeOpenRect(int orientationFrom, int orientationTo);
+ void computeElle(int orientationFrom);
+ void computeCorner(int orientationFrom);
+