BitMiracle.LibJpeg.JpegImage.GetRow C# (CSharp) Method

        public SampleRow GetRow(int rowNumber)
        {
            return m_rows[rowNumber];
        }

        public Image Decode(Stream stream)
        {
            JpegImage jpg = new JpegImage(stream);

            int pixelWidth = jpg.Width;
            int pixelHeight = jpg.Height;

            byte[] pixels = new byte[pixelWidth * pixelHeight * 4];

            if (!(jpg.Colorspace == Colorspace.RGB && jpg.BitsPerComponent == 8))
            {
                throw new NotSupportedException("JpegDecoder only support RGB color space.");
            }

            for (int y = 0; y < pixelHeight; y++)
            {
                SampleRow row = jpg.GetRow(y);

                for (int x = 0; x < pixelWidth; x++)
                {
                    Sample sample = row.GetAt(x);
                    
                    int offset = (y * pixelWidth + x) * 4;

                    pixels[offset + 0] = (byte)sample[2];
                    pixels[offset + 1] = (byte)sample[1];
                    pixels[offset + 2] = (byte)sample[0];
                    pixels[offset + 3] = (byte)255;
                }
            }

            return new Image(pixelWidth, pixelHeight, pixels);
        }