public void Set_and_check_watermark()
{
var bitmap = new Bitmap(50, 50);
LSB.SetWatermark(bitmap);
Assert.True(LSB.CheckWatermark(bitmap));
}
private void OpenFileButton_Click(object sender, RoutedEventArgs e)
{
var openFileDialog = new OpenFileDialog
{
CheckFileExists = true,
CheckPathExists = true,
Filter = FileFilter
};
if (openFileDialog.ShowDialog() == true)
{
bitmap = (Bitmap)Image.FromFile(openFileDialog.FileName);
MainImage.Source = new BitmapImage(new Uri(openFileDialog.FileName));
WatermarkLabel.Text = LSB.CheckWatermark(bitmap)
? "✔ Image may has encrypted text"
: "❌ Image has no encrypted text";
EncryptButton.IsEnabled = true;
DecryptButton.IsEnabled = true;
SaveButton.IsEnabled = false;
}
}