PurplePen.DescriptionCourseObj.ComputeAspectAngles C# (CSharp) Method

        private float[] ComputeAspectAngles()
        {
            int numColumns = renderer.NumberOfColumns;
            int maxColumns = Math.Max(1, (renderer.Description.Length - 1) / 4);  // maximum number of columns.
            float[] aspectAnglesByColumns = new float[maxColumns + 1];
            for (int i = 1; i <= maxColumns; ++i) {
                renderer.NumberOfColumns = i;
                SizeF size = renderer.Measure();
                aspectAnglesByColumns[i] = (float)Math.Atan2(size.Height, size.Width);
            }

            renderer.NumberOfColumns = numColumns;
            return aspectAnglesByColumns;
        }