public async void DrawQCMenuFractal(Canvas qcFractalCanvas, Color startColor,
Color endColor)
{
//draw qasiclover fractal in the first cell
qcFractalCanvas.Children.Clear();
QCFractal qcFractal = new QCFractal(qcFractalCanvas.Width / 6,
startColor, endColor, 2, qcFractalCanvas);
//start point
Point startPoint = new Point(qcFractalCanvas.Width / 2,
qcFractalCanvas.Height / 2);
QCDrawingParams drawingParams = new QCDrawingParams(qcFractal.StartLength, 1,
startPoint, new bool[] { true, true, true, false });
qcFractalCanvas = await qcFractal.Draw(Dispatcher, DispatcherPriority.Normal, CancellationToken.None,
drawingParams);
}
/// <summary>
/// Creates a list of all points, which are used in the fractal
/// </summary>
private void FindDots(DrawingParameters drawingParameters, Dispatcher dispatcher)
{
try
{
QCDrawingParams qcDrawingParams = (QCDrawingParams)drawingParameters;
double currX = drawingParameters.CurrentCoords.X - qcDrawingParams.CurrentLength;
double currY = drawingParameters.CurrentCoords.Y - qcDrawingParams.CurrentLength;
double length = qcDrawingParams.CurrentLength;
SolidColorBrush brush = GetCurrentColor.Get(StartColor, EndColor,
drawingParameters.RecursionLevel - 1, MaxRecursionLevel - 1);
pointsList.Add(new PointData(length, brush, new Point(currX, currY)));
QCDrawingParams newQCParams = new QCDrawingParams(qcDrawingParams.CurrentLength / 2,
qcDrawingParams.RecursionLevel + 1, new Point(0, 0), new bool[] { });
if (drawingParameters.RecursionLevel < MaxRecursionLevel)
{
bool[][] newSidesDrawability = GetNewSidesDrawability(qcDrawingParams.SidesDrawability);
for (int i = 0; i < qcDrawingParams.SidesDrawability.Length; i++)
{
if (qcDrawingParams.SidesDrawability[i])
{
newQCParams.CurrentCoords = GetNewPoint(qcDrawingParams.CurrentCoords,
qcDrawingParams.CurrentLength, i);
newQCParams.SidesDrawability = newSidesDrawability[i];
FindDots(newQCParams, dispatcher);
}
}
}
}
catch (OutOfMemoryException ex)
{
dispatcher.Invoke(() => MessageBox.Show(ex.Message,
"Soft's message", MessageBoxButton.OK,
MessageBoxImage.Information));
}
catch (StackOverflowException ex)
{
dispatcher.Invoke(() => MessageBox.Show(ex.Message,
"Soft's message", MessageBoxButton.OK,
MessageBoxImage.Information));
}
catch (Exception ex)
{
dispatcher.Invoke(() => MessageBox.Show(ex.Message,
"Soft's message", MessageBoxButton.OK,
MessageBoxImage.Information));
}
}
/// <summary>
/// Draws a fractal on the main Canvas using the several pararmeters
/// to initalize the drawing process
/// </summary>
public async Task <Canvas> DrawFractal(double length, int depth, Point startPoint,
Dispatcher dispatcher, CancellationToken token)
{
try
{
Disable();
switch (CurrentFractal)
{
case 1:
QCFractal qcFractal = new QCFractal(length,
StartColor, EndColor, depth, MainCanvas);
DrawingParameters qcParams = new QCDrawingParams(length, 1,
startPoint, QCSidesDrawability);
if (DispatcherPriority == DispatcherPriority.Send)
{
TempCanvas = new Canvas
{
Width = 5000,
Height = 5000,
Background = new SolidColorBrush(Color.FromRgb(255, 255, 255))
};
qcFractal.MainCanvas = TempCanvas;
return(await Task.Run(() => qcFractal.Draw(dispatcher,
DispatcherPriority, token, qcParams)));
}
else
{
await Task.Run(() => qcFractal.Draw(dispatcher,
DispatcherPriority, token, qcParams));
}
return(null);
case 2:
SCFractal scFractal = new SCFractal(length,
StartColor, EndColor,
depth, MainCanvas);
DrawingParameters scParams = new SCDrawingParams(length, 1,
startPoint);
scFractal.InitialDraw(scParams);
if (DispatcherPriority == DispatcherPriority.Send)
{
TempCanvas = new Canvas
{
Width = 5000,
Height = 5000,
Background = new SolidColorBrush(Color.FromRgb(255, 255, 255))
};
scFractal.MainCanvas = TempCanvas;
return(await Task.Run(() => scFractal.Draw(dispatcher, DispatcherPriority,
token, scParams)));
}
else
{
await Task.Run(() => scFractal.Draw(dispatcher, DispatcherPriority,
token, scParams));
}
return(null);
case 3:
NFFractal nfFractal = new NFFractal(length,
StartColor, EndColor,
depth, MainCanvas);
DrawingParameters nfParams = new NFDrawingParams(length, 1,
startPoint);
if (DispatcherPriority == DispatcherPriority.Send)
{
TempCanvas = new Canvas
{
Width = 5000,
Height = 5000,
Background = new SolidColorBrush(Color.FromRgb(255, 255, 255))
};
nfFractal.MainCanvas = TempCanvas;
return(await Task.Run(() => nfFractal.Draw(dispatcher, DispatcherPriority,
token, nfParams)));
}
else
{
await Task.Run(() => nfFractal.Draw(dispatcher, DispatcherPriority,
token, nfParams));
}
return(null);
default:
MessageBox.Show("The fatal error happened, this should be never seen...");
return(null);
}
}
catch (OutOfMemoryException ex)
{
dispatcher.Invoke(() => MessageBox.Show(ex.Message,
"Soft's message", MessageBoxButton.OK,
MessageBoxImage.Information));
return(null);
}
catch (StackOverflowException ex)
{
dispatcher.Invoke(() => MessageBox.Show(ex.Message,
"Soft's message", MessageBoxButton.OK,
MessageBoxImage.Information));
return(null);
}
catch (IndexOutOfRangeException ex)
{
dispatcher.Invoke(() => MessageBox.Show(ex.Message,
"Soft's message", MessageBoxButton.OK,
MessageBoxImage.Information));
return(null);
}
catch (NullReferenceException ex)
{
dispatcher.Invoke(() => MessageBox.Show(ex.Message,
"Soft's message", MessageBoxButton.OK,
MessageBoxImage.Information));
return(null);
}
catch (TaskCanceledException ex)
{
dispatcher.Invoke(() => MessageBox.Show(ex.Message,
"Soft's message", MessageBoxButton.OK,
MessageBoxImage.Information));
return(null);
}
catch (Exception ex)
{
dispatcher.Invoke(() => MessageBox.Show(ex.Message,
"Soft's message", MessageBoxButton.OK,
MessageBoxImage.Information));
return(null);
}
finally
{
Enable();
}
}
