public void GlobalSetup()
        {
            var sourceFile = Common.GetSourceImagePath(imageIndex);

            image       = ImageFrame.FromFile(sourceFile);
            LZEncoded   = image.AsLZEncodedUsingHashTable(12289);
            GZipEncoded = image.AsGZipEncoded();
        }
 public GZipImageFrame EncodeGZip() => image.AsGZipEncoded();