/// <summary>
		/// Substracts X and Y from Point
		/// </summary>
		/// <param name="p"></param>
		/// <param name="x"></param>
		/// <param name="y"></param>
		/// <returns></returns>
		public static PointF SubXY(this PointF p, float x, float y) => p.AddXY(-x, -y);
		/// <summary>
		/// Substracts X and Y values
		/// </summary>
		/// <param name="p"></param>
		/// <param name="x"></param>
		/// <param name="y"></param>
		/// <returns></returns>
		public static Point SubXY(this Point p, int x, int y) => p.AddXY(-x, -y);