private void SendActiveEvent(MouseInput input)
{
InputData newInput = CreateInputData(input);
switch (input.State)
{
case InputState.Start:
StartDraw?.Invoke(newInput);
_previousInput = newInput;
break;
case InputState.Draw:
if (newInput.Position != _previousInput.Position)
{
DrawCall?.Invoke(newInput);
_previousInput = newInput;
}
break;
case InputState.End:
EndDraw?.Invoke(newInput);
_previousInput = default;
break;
default:
throw new Exception("Try send active event to disactive input");
}
}
private async void DrawFractalEventDown(bool showMsgBox)
{
try
{
IsDrawingGoing = true;
//start length & recursion depth
TextBox sLengthBox = (TextBox)paramsGrid.Children[1];
TextBox recDepthBox = (TextBox)paramsGrid.Children[3];
Point startPoint = new Point(MainCanvas.Width / (2),
MainCanvas.Height / (2));
//hex values of start and end color
string startColorText = ((TextBox)paramsGrid.Children[5]).Text;
string endColorText = ((TextBox)paramsGrid.Children[6]).Text;
if (double.TryParse(sLengthBox.Text, out double length) &&
int.TryParse(recDepthBox.Text, out int depth) && depth > 0 &&
depth <= MaxRecDepth && length > 0 && length <= MaxLength &&
CheckColorString.Check(startColorText) && CheckColorString.Check(endColorText))
{
int numberOfTrues = 0;
foreach (bool b in QCSidesDrawability)
{
if (b)
{
numberOfTrues++;
}
}
if (numberOfTrues != 3 && CurrentFractal == 1)
{
MessageBox.Show("Select three ellipses to draw...",
"Soft's message", MessageBoxButton.OK,
MessageBoxImage.Information);
}
else
{
//reset the canvas
Canvas newCanvas = new Canvas
{
Width = 5000,
Height = 5000,
Background = new SolidColorBrush(Color.FromRgb(255, 255, 255))
};
mainCanvasScroll.Content = MainCanvas = newCanvas;
//transform the canvas to it's original size
ScaleTransform transform = new ScaleTransform
{
ScaleX = CurrentScale = 1,
ScaleY = CurrentScale = 1,
};
MainCanvas.RenderTransform = transform;
Scroll(mainCanvasScroll.ScrollableWidth / 2, mainCanvasScroll.ScrollableHeight / 2);
//get the checkbox
List <CheckBox> checkBoxes = paramsGrid.Children.OfType <CheckBox>().ToList();
CheckBox checkBox = checkBoxes[0];
//intialize start draw object
StartDraw = new StartDraw
{
CurrentFractal = CurrentFractal,
MainCanvas = MainCanvas,
StartColor = (Color)ColorConverter.ConvertFromString(startColorText),
EndColor = (Color)ColorConverter.ConvertFromString(endColorText),
GoBtn = (Button)paramsGrid.Children[paramsGrid.Children.Count - 1],
QCSidesDrawability = QCSidesDrawability
};
CancellationToken token = TokenSource.Token;
//set the priority
if (checkBox.IsChecked == false || checkBox.IsChecked == null)
{
cancelDrawingFirst.IsEnabled = false;
StartDraw.DispatcherPriority = DispatcherPriority.Send;
mainCanvasScroll.Content = MainCanvas = await StartDraw.DrawFractal(length, depth,
startPoint, Dispatcher, token);
cancelDrawingFirst.IsEnabled = true;
}
else
{
StartDraw.DispatcherPriority = DispatcherPriority.Background;
await StartDraw.DrawFractal(length, depth,
startPoint, Dispatcher, token);
}
}
}
else
{
if (showMsgBox)
{
MessageBox.Show("Error in the input data",
"Soft's message", MessageBoxButton.OK, MessageBoxImage.Information);
}
}
}
catch (NullReferenceException ex)
{
MessageBox.Show(ex.Message, "Soft's message", MessageBoxButton.OK,
MessageBoxImage.Information);
}
catch (InvalidCastException ex)
{
MessageBox.Show(ex.Message, "Soft's message", MessageBoxButton.OK,
MessageBoxImage.Information);
}
catch (OutOfMemoryException ex)
{
MessageBox.Show(ex.Message, "Soft's message", MessageBoxButton.OK,
MessageBoxImage.Information);
}
catch (StackOverflowException ex)
{
MessageBox.Show(ex.Message, "Soft's message", MessageBoxButton.OK,
MessageBoxImage.Information);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Soft's message", MessageBoxButton.OK,
MessageBoxImage.Information);
}
finally
{
IsDrawingGoing = false;
}
}
