Accord.Imaging.Filters.SimpleQuadrilateralTransformation.CalculateDestinationSize C# (CSharp) Method

        private void CalculateDestinationSize()
        {
            if (sourceQuadrilateral == null)
                throw new InvalidOperationException("Source quadrilateral was not set.");

            newWidth = (int)Math.Max(sourceQuadrilateral[0].DistanceTo(sourceQuadrilateral[1]),
                                        sourceQuadrilateral[2].DistanceTo(sourceQuadrilateral[3]));
            newHeight = (int)Math.Max(sourceQuadrilateral[1].DistanceTo(sourceQuadrilateral[2]),
                                        sourceQuadrilateral[3].DistanceTo(sourceQuadrilateral[0]));
        }