private void GetLengthPositions()
{
for (int i = 0; i < 32; i++)
{
lengthPositions.Add(currentPosition);
helper.SetNextCurrentPosition(ref currentPosition, positions);
}
}
private void Initialize(Bitmap image)
{
helper = new EncoderDecoderHelper();
Image = image;
pixelColors = new byte[image.Height * image.Width * 3];
helper.FillPositionArray(image, positions);
helper.SetNextCurrentPosition(ref currentPosition, positions);
helper.FillPixelColorsArray(image, pixelColors);
}
public void Reset()
{
helper = new EncoderDecoderHelper();
allText = new StringBuilder();
pixelColors = new byte[Image.Height * Image.Width * 3];
helper.FillPositionArray(Image, positions);
helper.SetNextCurrentPosition(ref currentPosition, positions);
helper.FillPixelColorsArray(Image, pixelColors);
GetLengthPositions();
}
public string GetTextFromImage()
{
BitArray lengthArray = new BitArray(32);
for (int i = 0; i < 32; i++)
{
lengthArray[i] = pixelColors[currentPosition].GetFirstBit();
helper.SetNextCurrentPosition(ref currentPosition, positions);
}
var length = lengthArray.GetAsByteArray().GetAsInt();
BitArray text = new BitArray(length);
for (int i = 0; i < length; i++)
{
text[i] = pixelColors[currentPosition].GetFirstBit();
helper.SetNextCurrentPosition(ref currentPosition, positions);
}
return(Encryptor.Decrypt(Statics.passwordHash, text.GetAsByteArray()));
}