BaconographyWP8.PlatformServices.ImagesService.GenerateResizedImageAsync C# (CSharp) Method

        private static async Task<StorageFile> GenerateResizedImageAsync(StorageFile inputFile, uint width, uint height, uint edgePadding = 5, uint bottomPadding = 20, NameCollisionOption collisionOption = NameCollisionOption.ReplaceExisting)
        {
            //try
            //{
            //    string fileName = inputFile.DisplayName + width + "x" + height;
            //    string extension = inputFile.Name.Substring(inputFile.Name.LastIndexOf('.'));

            //    string folder = inputFile.Path.Substring(0, inputFile.Path.LastIndexOf('\\'));
            //    var outputFolder = await StorageFolder.GetFolderFromPathAsync(folder);
            //    var newFile = await outputFolder.CreateFileAsync(fileName + extension, CreationCollisionOption.ReplaceExisting);

            //    var inputStream = await inputFile.OpenAsync(Windows.Storage.FileAccessMode.Read);
            //    var outputStream = await newFile.OpenTransactedWriteAsync();

            //    var inMemStream = new InMemoryRandomAccessStream();
            //    var decoder = await BitmapDecoder.CreateAsync(inputStream);
            //    var encoder = await BitmapEncoder.CreateForTranscodingAsync(inMemStream, decoder);

            //    // Find aspect ratio for resize
            //    float nPercentW = (((float)width - (edgePadding * 2)) / (float)decoder.PixelWidth);
            //    float nPercentH = (((float)height - (edgePadding * 2)) / (float)decoder.PixelHeight);
            //    float nPercent = nPercentH < nPercentW ? nPercentH : nPercentW;

            //    // Scale height and width
            //    if (nPercent < 1)
            //    {
            //        encoder.BitmapTransform.ScaledHeight = (uint)(decoder.PixelHeight * nPercent);
            //        encoder.BitmapTransform.ScaledWidth = (uint)(decoder.PixelWidth * nPercent);
            //    }

            //    // Image may still exceed intended bounds, resize as appropriate
            //    if (encoder.BitmapTransform.ScaledWidth > width || encoder.BitmapTransform.ScaledHeight > height)
            //    {
            //        BitmapBounds bounds = new BitmapBounds();
            //        if (encoder.BitmapTransform.ScaledWidth > width)
            //        {
            //            bounds.Width = width;
            //            bounds.X = (encoder.BitmapTransform.ScaledWidth - width) / 2;
            //        }
            //        else
            //            bounds.Width = encoder.BitmapTransform.ScaledWidth;
            //        if (encoder.BitmapTransform.ScaledHeight > height)
            //        {
            //            bounds.Height = height;
            //            bounds.Y = (encoder.BitmapTransform.ScaledHeight - height) / 2;
            //        }
            //        else
            //            bounds.Height = encoder.BitmapTransform.ScaledHeight;
            //        encoder.BitmapTransform.Bounds = bounds;
            //    }
            //    await encoder.FlushAsync();

            //    var outDecoder = await BitmapDecoder.CreateAsync(inMemStream);
            //    var outEncoder = await BitmapEncoder.CreateForTranscodingAsync(outputStream.Stream, outDecoder);

            //    var transparentBytes = GenerateTransparentBitmap(width, height);

            //    PixelDataProvider data = await outDecoder.GetPixelDataAsync();
            //    uint heightOffset = (height - outDecoder.PixelHeight) / 2 - bottomPadding;
            //    uint widthOffset = (width - outDecoder.PixelWidth) / 2;
            //    byte[] bytes = MergePixelArrays(transparentBytes, width, height, data.DetachPixelData(), outDecoder.PixelWidth, outDecoder.PixelHeight, widthOffset, heightOffset);
            //    outEncoder.SetPixelData(BitmapPixelFormat.Bgra8, BitmapAlphaMode.Straight, width, height, 72.0, 72.0, bytes);

            //    await outEncoder.FlushAsync();
            //    return newFile;
            //}
            //catch (Exception)
            //{

            //}

            return null;
        }