public void ExecuteEraseFile()
{
HideLSB.Erase(ref this._hiddenImageBitmapCache);
this.HiddenImage = FileTransform.Bitmap2BitmapImage(this._hiddenImageBitmapCache);
if (File.Exists(this.ImageFilePath))
{
File.Delete(this.ImageFilePath);
}
this._hiddenImageBitmapCache.Save(this.ImageFilePath);
this.ShowMessageBoxResource("RetrieveDone", "Hint", MessageBoxButton.OK, MessageBoxImage.Information);
}
public void ExecuteHideFile(object args)
{
try
{
var hideOption = this.GetHideOptionFromView((Window)args);
if (hideOption == null)
{
return;
}
var fileBytesToHide = FileTransform.File2ByteArray(hideOption.FilePath);
var zipedCoverImageBytes = Zip.Compress(fileBytesToHide);
IEncryption encryptor = EncryptionFactory.CreateEncryption(hideOption.EncryptionAlg);
var ciphertext = encryptor.Encrypt(zipedCoverImageBytes, this.StrPassword2UintArr(hideOption.Password));
var tmpBitmapCacheToHide =
this._coverImageBitmapCache.Clone(
new Rectangle(0, 0, this._coverImageBitmapCache.Width, this._coverImageBitmapCache.Height),
this._coverImageBitmapCache.PixelFormat);
HideLSB.Hide(ref tmpBitmapCacheToHide, ciphertext);
this._hiddenImageBitmapCache = tmpBitmapCacheToHide;
this.HiddenImage = FileTransform.Bitmap2BitmapImage(this._hiddenImageBitmapCache);
}
catch (ImageHideCapacityTooSmallException)
{
this.ShowMessageBoxResource("HidingCapacityNotEnough", "Hint", MessageBoxButton.OK, MessageBoxImage.Information);
}
catch (IOException)
{
this.ShowMessageBoxResource("FileOpenError", "Error");
}
catch (Exception)
{
this.ShowMessageBoxResource("UnknownError", "Error");
}
}