CCT.NUI.Samples.ImageManipulation.ImageOperations.ProportionalScaleRatio C# (CSharp) Method

        public static decimal ProportionalScaleRatio(int actualWidth, int actualHeight, int targetWidth, int targetHeight)
        {
            decimal ratioX = (decimal)targetWidth / actualWidth;
            decimal ratioY = (decimal)targetHeight / actualHeight;
            return Math.Min(ratioX, ratioY);
        }