public byte[] ExtractBytes(Bitmap image, AlgorithmSettings settings)
{
Color[] colors = BitmapConverter.BitmapToColorArray(image, settings.Direction);
int offset = CalculateOffset(settings.OffsetX, settings.OffsetY, image.Width, image.Height, settings.Direction);
return(ReadBytesFromColorArray(colors, offset));
}
public string ExtractText(Bitmap image, AlgorithmSettings settings)
{
Color[] colors = BitmapConverter.BitmapToColorArray(image, settings.Direction);
int offset = CalculateOffset(settings.OffsetX, settings.OffsetY, image.Width, image.Height, settings.Direction);
var data = ReadBytesFromColorArray(colors, offset);
return(Encoding.UTF8.GetString(data));
}
public Bitmap HideBytes(byte[] data, Bitmap image, AlgorithmSettings settings)
{
Color[] colors = BitmapConverter.BitmapToColorArray(image, settings.Direction);
var cleaned = BitmapConverter.CleanColorArrayFromLSB(colors);
int offset = CalculateOffset(settings.OffsetX, settings.OffsetY, image.Width, image.Height, settings.Direction);
var hiden = WriteBytesInColorArray(data, cleaned, offset);
return(BitmapConverter.ColorArrayToBitmap(hiden, image.Width, image.Height, settings.Direction));
}
