public override void Render(IFractal fractal, IControlPanel controlPanel)
{
//Copy for the closure
RectangleF rectangle = controlPanel.Rectangle;
PointF rotationPoint = controlPanel.RotationPoint;
PointF zoomPoint = controlPanel.ZoomPoint;
ITransformation transformation = controlPanel.CreateTransformation();
_rendererThread.Enqueue((cancellableArg) =>
{
try
{
using (Graphics g = _fractalView.CreateViewGraphic())
{
g.Clear(Color.White);
using (Brush brush = new SolidBrush(Color.Yellow))
{
PointF p = transformation.Apply(zoomPoint);
g.FillRectangle(brush, p.X, p.Y, 5, 5);
}
using (Brush brush = new SolidBrush(Color.Orange))
{
PointF p = transformation.Apply(rotationPoint);
g.FillRectangle(brush, p.X, p.Y, 5, 5);
}
using (Brush brush = new SolidBrush(Color.Black))
{
DrawFractalPoints(brush, transformation, rectangle, fractal, g, cancellableArg);
}
using (Brush brush = new SolidBrush(Color.Green))
{
PointF p = transformation.Apply(zoomPoint);
g.FillRectangle(brush, p.X, p.Y, 5, 5);
}
using (Brush brush = new SolidBrush(Color.DarkOrange))
{
PointF p = transformation.Apply(rotationPoint);
g.FillRectangle(brush, p.X, p.Y, 5, 5);
}
}
}
catch (Exception e)//Catching exception in case the view is closed while still drawing in the panel
{
}
});
}
