Beispiel #1
0
        public MainWindow()
        {
            InitializeComponent();
            OpenFileDialog fileDialog     = new OpenFileDialog();
            SaveFileDialog saveDialog     = new SaveFileDialog();
            Bitmap         watermark      = null;
            Bitmap         encryptedImage = null;

            fileDialog.Filter = Filter;
            saveDialog.Filter = Filter;
            List <Color> encryptColors = new List <Color>()
            {
                Color.Blue, Color.Green, Color.Red
            };

            colorsComboBox.ItemsSource   = encryptColors;
            colorsComboBox.SelectedIndex = 0;



            #region CheckBox
            cryptCheckBox.Checked += (s, e) =>
            {
                //ON
                watermarkSearchTextBox.Visibility = Visibility.Visible;
                watermarkSearchButton.Visibility  = Visibility.Visible;
                encryptButton.IsEnabled           = true;
                //OFF
                encryptedPictureBox.Source        = null;
                encryptedSearchTextBox.Text       = string.Empty;
                encryptedSearchTextBox.Visibility = Visibility.Collapsed;
                encryptedSearchButton.Visibility  = Visibility.Collapsed;
                encryptedSaveButton.Visibility    = Visibility.Collapsed;
                watermarkSaveButton.Visibility    = Visibility.Collapsed;
                decryptButton.IsEnabled           = false;
            };
            cryptCheckBox.Unchecked += (s, e) =>
            {
                //OFF
                watermarkSearchTextBox.Text       = string.Empty;
                watermarkPictureBox.Source        = null;
                watermarkSearchTextBox.Visibility = Visibility.Collapsed;
                watermarkSearchButton.Visibility  = Visibility.Collapsed;
                watermarkSaveButton.Visibility    = Visibility.Collapsed;
                encryptedSaveButton.Visibility    = Visibility.Collapsed;
                encryptButton.IsEnabled           = false;
                //ON
                encryptedSearchTextBox.Visibility = Visibility.Visible;
                encryptedSearchButton.Visibility  = Visibility.Visible;
                decryptButton.IsEnabled           = true;
            };
            cryptCheckBox.IsChecked = true;
            #endregion

            #region SearchButtons

            watermarkSearchButton.Click += (s, e) =>
            {
                if (fileDialog.ShowDialog() == true)
                {
                    watermarkSearchTextBox.Text = fileDialog.FileName;
                    watermarkPictureBox.Source  = new BitmapImage(new Uri(fileDialog.FileName));
                }
            };
            imageSearchButton.Click += (s, e) =>
            {
                if (fileDialog.ShowDialog() == true)
                {
                    imageSearchTextBox.Text = fileDialog.FileName;
                    imagePictureBox.Source  = new BitmapImage(new Uri(fileDialog.FileName));
                }
            };
            encryptedSearchButton.Click += (s, e) =>
            {
                if (fileDialog.ShowDialog() == true)
                {
                    encryptedSearchTextBox.Text = fileDialog.FileName;
                    encryptedPictureBox.Source  = new BitmapImage(new Uri(fileDialog.FileName));
                }
            };

            #endregion

            #region Hide

            encryptButton.Click += (s, e) =>
            {
                Stegano iStegano = new Stegano(imageSearchTextBox.Text, (Color)colorsComboBox.Items.CurrentItem);
                if (watermark == null && watermarkSearchTextBox.Text == string.Empty)
                {
                    MessageBox.Show("Выберите изображение для дешифровки!", "Ошибка", MessageBoxButton.OK,
                                    MessageBoxImage.Error);
                    return;
                }
                try
                {
                    iStegano.Hide(watermark != null && watermarkSearchTextBox.Text == string.Empty ? watermark : new Bitmap(watermarkSearchTextBox.Text));
                    encryptedImage                 = iStegano.ImageWithWatermark;
                    encryptedPictureBox.Source     = convertFromBitmap(encryptedImage);
                    encryptedSaveButton.Visibility = Visibility.Visible;
                }
                catch (Exception exception)
                {
                    MessageBox.Show(exception.Message, "Ошибка", MessageBoxButton.OK, MessageBoxImage.Error);
                }
            };
            encryptedSaveButton.Click += (s, e) =>
            {
                saveDialog.ShowDialog();
                if (saveDialog.FileName != string.Empty && encryptedImage != null)
                {
                    using (FileStream fs = saveDialog.OpenFile() as FileStream)
                    {
                        encryptedImage.Save(fs, ImageFormat.Bmp);
                    }
                }
            };

            #endregion

            #region Detect

            decryptButton.Click += (s, e) =>
            {
                Stegano iStegano = new Stegano(imageSearchTextBox.Text, (Color)colorsComboBox.Items.CurrentItem);
                if (encryptedImage == null && encryptedSearchTextBox.Text == string.Empty)
                {
                    MessageBox.Show("Выберите изображение для дешифровки!", "Ошибка", MessageBoxButton.OK,
                                    MessageBoxImage.Error);
                    return;
                }
                try
                {
                    iStegano.Detect(encryptedImage != null && encryptedSearchTextBox.Text == string.Empty? encryptedImage : new Bitmap(encryptedSearchTextBox.Text));
                    watermark = iStegano.Watermark;
                    watermarkPictureBox.Source     = convertFromBitmap(watermark);
                    watermarkSaveButton.Visibility = Visibility.Visible;
                }
                catch (Exception exception)
                {
                    MessageBox.Show(exception.Message, "Ошибка", MessageBoxButton.OK, MessageBoxImage.Error);
                }
            };
            watermarkSaveButton.Click += (s, e) =>
            {
                saveDialog.ShowDialog();
                if (saveDialog.FileName != string.Empty && watermark != null)
                {
                    using (FileStream fs = saveDialog.OpenFile() as FileStream)
                    {
                        watermark.Save(fs, ImageFormat.Bmp);
                    }
                }
            };

            #endregion
        }