private void Decode(object sender, RoutedEventArgs e)
{
Interval interval = new Interval(0, 1);
decimal message = decimal.Parse(messageToDecodeTextBox.Text);
string outMessage = "";
TextBox[] probablities = new TextBox[itemsNumber];
char[] letters = new char[itemsNumber];
for (int i = 0; i < itemsNumber; i++)
{
probablities[i] = alphabet[i, 1];
}
decimal[] probs = parseProbabilities(probablities);
probs = ArithmeticCoding.MakeProportions(probs);
for (int i = 0; i < probablities.Length; i++)
{
Interval[] intervals = ArithmeticCoding.MakeSubintervals(interval, probs);
for (int j = 0; j < intervals.Length; j++)
{
if ((message > intervals[j].l) && (message < intervals[j].r))
{
outMessage += alphabet[j, 0].Text.ToString();
if (((intervals[j].l + intervals[j].r) / 2) == message)
{
i = intervals.Length;
}
else
{
interval = new Interval(intervals[j].l, intervals[j].r);
}
}
if (((intervals[j].l + intervals[j].r) / 2) == message)
{
j = intervals.Length;
}
}
}
resultDecodingTextBlock.Text = outMessage;
resultDeCodingGrid.Visibility = Visibility.Visible;
resultDeCodingGrid.Opacity = 0;
resultDeCodingGrid.OpacityTransition = new ScalarTransition()
{
Duration = new TimeSpan(0, 0, 0, 0, 500)
};
resultDeCodingGrid.Opacity = 1;
}
private async void Calculate(object sender, RoutedEventArgs e)
{
try
{
char[] message = messageTextBox.Text.ToCharArray();
Interval interval = new Interval();
TextBox[] probablities = new TextBox[itemsNumber];
char[] letters = new char[itemsNumber];
for (int i = 0; i < itemsNumber; i++)
{
probablities[i] = alphabet[i, 1];
var characters = alphabet[i, 0].Text.ToCharArray();
letters[i] = characters[0];
}
bool isMessageInAlphabet = false;
for (int i = 0; i < message.Length; i++)
{
isMessageInAlphabet = checkLetterInAlphabet(message[i], letters);
if (!isMessageInAlphabet)
{
break;
}
}
if (!isMessageInAlphabet)
{
ContentDialog dialog = new ContentDialog {
Title = "Error", Content = "Wiadomość niepoprawna", CloseButtonText = "ok"
};
ContentDialogResult result = await dialog.ShowAsync();
return;
}
try
{
subIntervalsGrid.Children.Clear();
checkProbability(probablities);
decimal[] probs = parseProbabilities(probablities);
probs = ArithmeticCoding.MakeProportions(probs);
for (int p = 0; p < message.GetLength(0); p++)
{
Interval[] intervals = ArithmeticCoding.MakeSubintervals(interval, probs);
addSubinterval(intervals, message[p], letters);
interval = ArithmeticCoding.SetCurrentInterval(intervals, letters, message[p]);
}
resultCodingGrid.Visibility = Visibility.Visible;
resultCodingGrid.Opacity = 0;
resultCodingGrid.OpacityTransition = new ScalarTransition()
{
Duration = new TimeSpan(0, 0, 0, 0, 500)
};
resultCodingGrid.Opacity = 1;
resultCodingTextBlock.Text = "Wynik: " + ((interval.l + interval.r) / 2).ToString();
subIntervalsGrid.Visibility = Visibility.Visible;
subIntervalsGrid.Opacity = 0;
subIntervalsGrid.OpacityTransition = new ScalarTransition()
{
Duration = new TimeSpan(0, 0, 0, 0, 500)
};
subIntervalsGrid.Opacity = 1;
}
catch (Exception ex)
{
ContentDialog dialog = new ContentDialog {
Title = "Error", Content = ex.Message, CloseButtonText = "ok"
};
ContentDialogResult result = await dialog.ShowAsync();
}
}
catch (Exception ex)
{
ContentDialog dialog = new ContentDialog {
Title = "Error", Content = ex.Message, CloseButtonText = "ok"
};
ContentDialogResult result = await dialog.ShowAsync();
}
}