Praeclarum.Graphics.Rectangle.Union C# (CSharp) Метод

		public static Rectangle Union (Rectangle a, Rectangle b)
		{
			var left = Math.Min (a.Left, b.Left);
			var top = Math.Min (a.Top, b.Top);
			return new Rectangle (left,
			                      top,
			                      Math.Max (a.Right, b.Right) - left,
			                      Math.Max (a.Bottom, b.Bottom) - top);
		}