/// <summary>
        /// Retrieves the rectangles in which images should be placed in side-by-side mode
        /// </summary>
        public static void GetSplitModeImageRectangles(Rectangle clientRectangle, Size maxImageSize, out Rectangle rectangle1, out Rectangle rectangle2)
        {
            var halfRectangle = new Rectangle(clientRectangle.X, clientRectangle.Y, clientRectangle.Width / 2, clientRectangle.Height);
            var imageSize = maxImageSize.ConstrainedTo(halfRectangle.Size);
            var center1 = halfRectangle.Center();
            var center2 = new Point(center1.X + halfRectangle.Width, center1.Y);

            rectangle1 = new Rectangle(imageSize.CenteredAround(center1), imageSize);
            rectangle2 = new Rectangle(imageSize.CenteredAround(center2), imageSize);
            if (rectangle1.X - clientRectangle.X > MIN_BORDER)
            {
                int shift = rectangle1.X - clientRectangle.X - MIN_BORDER;
                rectangle1.X -= shift;
                rectangle2.X += shift;
            }
        }