public byte[] OpenReadDialog(Type dialogType)
{
var dlg = new OpenFileDialog
{
DefaultExt = dialogType.defaultExt,
Filter = dialogType.filter
};
dlg.ShowDialog();
if (dlg.FileName == "")
return null;
var bytes = FileReader.ReadFile(dlg.FileName);
return bytes;
}
public AudioFile OpenReadAudioDialog(Type fileType)
{
var dlg = new OpenFileDialog
{
DefaultExt = fileType.defaultExt,
Filter = fileType.filter
};
dlg.ShowDialog();
if (dlg.FileName == "")
{
throw new ArgumentException();
}
var bytes = FileReader.ReadFile(dlg.FileName);
return new AudioFile(bytes);
}
public ImageFile OpenReadImageDialog(Type fileType)
{
var dlg = new OpenFileDialog
{
DefaultExt = fileType.defaultExt,
Filter = fileType.filter
};
dlg.ShowDialog();
if (dlg.FileName == "")
{
throw new ArgumentException();
}
var bitmap = (Bitmap) Image.FromFile(dlg.FileName, true);
var bytes = FileReader.ReadFile(dlg.FileName);
return new ImageFile(bitmap, bytes);
}
public VideoFile OpenReadVideoDialog(Type dialogType)
{
var dlg = new OpenFileDialog
{
DefaultExt = dialogType.defaultExt,
Filter = dialogType.filter
};
dlg.ShowDialog();
if (dlg.FileName == "")
{
throw new ArgumentException();
}
_aviFileReading.Open(dlg.FileName);
var videoFile = new VideoFile(dlg.FileName)
{
FrameHeight = _aviFileReading.Bih.biHeight,
FrameWidth = _aviFileReading.Bih.biWidth,
FrameCount = _aviFileReading.CountFrames,
FrameRate = _aviFileReading.FrameRate
};
_aviFileReading.Close();
return videoFile;
}
public void OpenSaveImageDialog(Bitmap bitmapImage, Type fileType)
{
var dlg = new SaveFileDialog
{
DefaultExt = fileType.defaultExt,
Filter = fileType.filter
};
dlg.ShowDialog();
if (dlg.FileName == "")
return;
if (bitmapImage.HasAlphaChannel() || bitmapImage.IsIndextedImage())
bitmapImage.Save(dlg.FileName);
else
bitmapImage.SaveAsNot32BitImage(dlg.FileName);
}
public void OpenSaveDialog(Type dialogType, byte[] hiddenMessage)
{
var dlg = new SaveFileDialog
{
DefaultExt = dialogType.defaultExt,
Filter = dialogType.filter
};
dlg.ShowDialog();
if (dlg.FileName == "")
return;
FileWriter.WriteToFile(dlg.FileName, hiddenMessage);
}
