public Tuple <BitmapImage, string> GetDecodedImage(BitmapImage bitmapImage, IReversibleWatermarkingAlgorithm algorithm, AlgorithmConfiguration configuration)
{
Bitmap encodedImage = BitmapImageToBitmap(bitmapImage);
Tuple <Bitmap, string> decodingResult = algorithm.Decode(encodedImage, configuration);
return(decodingResult != null ? new Tuple <BitmapImage, string>(BitmapToBitmapImage(decodingResult.Item1), decodingResult.Item2) : null);
}
private void BtnRun_Click(object sender, RoutedEventArgs e)
{
var secretPayload = GetTextFromRichTextBox(TvPayload);
IReversibleWatermarkingAlgorithm selectedAlgorithm = GetSelectedAlgorithm();
if (isFileLoaded && isWatermarkingModeSelected())
{
resultImage = addSignatureController.GetWatermarkedImage(importedImage, secretPayload, selectedAlgorithm, GetEncodingConfigurationForSelectedAlgorithm());
ImgExport.Source = resultImage;
Console.WriteLine(resultImage.UriSource);
BtnExportFile.Visibility = Visibility.Visible;
TvExportFileName.Visibility = Visibility.Visible;
}
if (isFileLoaded && isAnalyzingModeSelected())
{
try
{
Tuple <BitmapImage, string> imageAndPayload = addSignatureController.GetDecodedImage(importedImage,
selectedAlgorithm, GetDecodingConfigurationForSelectedAlgorithm());
resultImage = imageAndPayload.Item1;
SetTextRichTextBox(TvPayload, imageAndPayload.Item2);
TvPayload.Visibility = Visibility.Visible;
ImgExport.Source = resultImage;
Console.WriteLine(resultImage.UriSource);
BtnExportFile.Visibility = Visibility.Visible;
TvExportFileName.Visibility = Visibility.Visible;
}
catch (NullReferenceException exception)
{
ThrowErrorDialog("Image is not watermarked or was encoded with different configuration or/and algorithm");
}
}
}
public BitmapImage GetWatermarkedImage(BitmapImage bitmapImage, string payload, IReversibleWatermarkingAlgorithm algorithm, AlgorithmConfiguration configuration)
{
Bitmap originalBitmap = BitmapImageToBitmap(bitmapImage);
Bitmap encodedBitmap = algorithm.Encode(originalBitmap, payload, configuration);
return(BitmapToBitmapImage(encodedBitmap));
}
