public void DecodeMessageSeq(DecodeRequest request)
{
decodeValidator.Validate(request);
Bitmap encodedMessage = new Bitmap(request.EncodedMessagePath);
Rectangle rect = new Rectangle(0, 0, encodedMessage.Width, encodedMessage.Height);
BitmapData encodedData = encodedMessage.LockBits(rect, ImageLockMode.ReadWrite, encodedMessage.PixelFormat);
IntPtr ptr = encodedData.Scan0;
int bytes = Math.Abs(encodedData.Stride) * encodedMessage.Height;
bool[] lsbitArray = ReadAllLSBitsSeq(bytes, ptr);
encodedMessage.UnlockBits(encodedData);
BitArray header = GetHeader(lsbitArray, bytes);
List <byte> decodedBytes = DecodeBytes(lsbitArray, header);
File.WriteAllBytes(request.ResultPath, decodedBytes.ToArray());
}
public void Validate(DecodeRequest request)
{
ValidateNotNull(request, "Decode request must not be null");
ValidateFileExists(request.EncodedMessagePath, "Given stego-image does not exist");
ValidateExtension(request.EncodedMessagePath, "bmp", "Stego-image must have bmp extension");
}