void CreateLinesIfNeeded()
{
if (settings.NumberOfLines != numberOfLines &&
(settings.NumberOfLines > 0 && settings.NumberOfLines <= MaxHandleLines))
{
numberOfLines = settings.NumberOfLines;
// Constructing array of handle lines
var deltaAngle = (float)(2 * Math.PI) / numberOfLines;
int i = 0;
for (float d = 0; d < 2 * Math.PI; d += deltaAngle)
{
var handleLine = new HandleLine(d);
// Mark already visited lines
if (d < angle)
{
handleLine.timesVisited = timesCircled;
}
lines[i++] = handleLine;
}
}
}
private void CreateHandlers(IModel shape)
{
if (LastShape != null)
{
LastShape.RemoveHandle();
}
HandleCursor cursor = new HandleCursor();
HandlePencil pencil = new HandlePencil();
HandleLine line = new HandleLine();
HandleEllipse ellipse = new HandleEllipse();
HandleRectangle rectangle = new HandleRectangle();
HandleBezier bezier = new HandleBezier();
HandleFill fill = new HandleFill();
HandleImage image = new HandleImage();
cursor.Successor = pencil;
pencil.Successor = line;
line.Successor = ellipse;
ellipse.Successor = rectangle;
rectangle.Successor = bezier;
bezier.Successor = fill;
fill.Successor = image;
cursor.Handle(shape);
}
private HttpHeader Request(Uri uri, Uri referrer, string method, HandleLine lineHandler)
{
if (uri == null)
return null;
TcpClient client = new TcpClient();
IPAddress ip = DNSHelper.ResolveUri(DNSResolver, uri).First();
try
{
client.Connect(ip, uri.Port);
}
catch (Exception e)
{
Console.WriteLine(e);
return null;
}
//Send Request
TextWriter tw = new StreamWriter(client.GetStream());
tw.WriteLine(method + " " + uri.AbsolutePath + " " + ProtocolString);
tw.WriteLine("Host: " + uri.Host);
tw.WriteLine("User-Agent: " + UserAgent);
tw.WriteLine("Connection: close");
if (referrer != null)
{
tw.WriteLine("Referer: " + referrer.AbsoluteUri);
}
tw.WriteLine();
tw.Flush();
TextReader document = new StreamReader(client.GetStream());
var header = ParseHeader(document);
if (lineHandler != null)
{
string line;
try
{
while ((line = document.ReadLine()) != null)
{
lineHandler.Invoke(line, uri);
}
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
client.Close();
return header;
}
public HttpHeader GetDocument(Uri uri, Uri referrer = null, HandleLine lineHandler = null)
{
return Request(uri, referrer, "GET", lineHandler);
}