/// <summary>
/// Invokes the <see cref="FileManager"/> to load a carrier image from a specified path to the system.
/// </summary>
/// <param name="path">Preferably the absolute path of a desired carrier image</param>
/// <param name="forceTrueColor">true if the image should be recreated in case it uses a wrong pixel format and false otherwise</param>
/// <exception cref="ArgumentException"></exception>
/// <exception cref="FileNotFoundException"></exception>
/// <exception cref="OutOfMemoryException"></exception>
/// <exception cref="Exceptions.WrongPixelFormatException">Always thrown when forceTrueColor is false but the image is not RGB-based</exception>
/// <exception cref="FormatException"></exception>
private void LoadCarrierImage(string path, bool forceTrueColor)
{
// Do nothing if the file does not exist
if (!File.Exists(path))
{
return;
}
// Do nothing if the image is stored using an inappropriate format
if (!_imageExtensions.Contains(Path.GetExtension(path).ToLowerInvariant()))
{
return;
}
// Generate carrier image object
_carrier = new StegoImage(
_fm.ReadImageFile(path, forceTrueColor),
Path.GetFileName(path),
_fm.GetFileSizeInBytes(path)
);
// Display image
carrierImagePictureBox.Image = _carrier.Image;
// Fill labels with data
carrierNameLabel.Text = _carrier.Name;
carrierSizeLabel.Text = Converter.BytesToHumanReadableString(_carrier.SizeInBytes);
carrierCapacityLabel.Text = Converter.BytesToHumanReadableString(
_embedder.CalculateCapacity(_carrier, (byte)(bppComboBox.SelectedIndex + 1)));
// Check GUI components
CheckEverything();
}
