/// <summary>
/// Checks for encryption.
/// </summary>
/// <param name="pixelColor">Color of the pixel.</param>
/// <returns>
/// Encrypted if LSB == 0, Unencrypted otherwise
/// </returns>
public static EncryptionType CheckForEncryption(Color pixelColor)
{
if (PixelUtilities.GetLeastSignificantBit(pixelColor.R) != ImageConstants.MinRgbValue)
{
return(EncryptionType.Encrypted);
}
return(EncryptionType.Unencrypted);
}
private void setPixelToMonochromeColor(byte[] pixels, Color hiddenPixelColor, int i, int j)
{
if (PixelUtilities.GetLeastSignificantBit(hiddenPixelColor.B) == ImageConstants.MinRgbValue)
{
this.setPixelBlack(pixels, i, j);
}
else
{
this.setPixelWhite(pixels, i, j);
}
}
/// <summary>
/// Determines whether this instance is text.
/// </summary>
/// <param name="pixelColor">Color of the pixel.</param>
/// <returns>
/// <c>true</c> if this instance is text; otherwise, <c>false</c>.
/// </returns>
public static bool CheckFileType(Color pixelColor)
{
return(PixelUtilities.GetLeastSignificantBit(pixelColor.B) != ImageConstants.MinRgbValue);
}
