/// <summary>
/// Handles the TextChanged event of the TextMessage control.
/// Handles the CheckBoxBase64_CheckedChanged control
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
private void TextMessage_TextChanged(object sender, EventArgs e)
{
if (StegEncode == null)
{
return;
}
if (StegEncode.PixelLoaded)
{
string text = TextMessage.Text;
if (CheckBoxBase64.Checked)
{
text = Converter.AsciiToBase64(text);
}
if (CheckBoxAes.Checked)
{
text = Crypto.Encrypt(text, "filler");
if (text == null)
{
return;
}
}
int characters = (Constants.MessageLength * 8) + text.Length;
LblCharacterCount.Text = String.Format("Characters: {0}/{1}", characters, StegEncode.MaxCharacters);
}
}
/// <summary>
/// Handles the Click event of the BtnEncode control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="EventArgs" /> instance containing the event data.</param>
private async void BtnEncodeAsync_ClickAsync(object sender, EventArgs e)
{
if (!BtnEncodeReady())
{
return;
}
string message = TextMessage.Text;
if (CheckBoxBase64.Checked)
{
message = Converter.AsciiToBase64(message);
}
if (CheckBoxAes.Checked)
{
message = Crypto.Encrypt(message, TextBoxAesKey.Text);
if (message == null)
{
MessageBox.Show(String.Format("{0} is not a valid hash type", Settings.Hash));
return;
}
}
BtnEncode.Enabled = false;
// Set up progress report
TimerProgress.Start();
ProgressBarEncode.Maximum = StegEncode.MaxCharacters * 8;
ProgressBarEncode.Value = 0;
Task tEncode = new Task(() => StegEncode.CreateImage(message, StegEncode.OutputFile));
tEncode.Start();
await Task.WhenAll(tEncode);
BtnEncode.Enabled = true;
ProgressBarEncode.Value = ProgressBarEncode.Maximum;
TimerProgress.Stop();
}