public override object visit(GraphEdge edge)
{
Pen p;
if (edge.IsLoop)
{
p = new Pen(Brushes.Green, 2.0f);
}
else
{
p = new Pen(Brushes.Black);
}
p.EndCap = LineCap.ArrowAnchor;
Point p2 = intersectLineCircle(edge.From.Location, edge.To.Location, edge.To.Location, edge.To.Height / 2);
Point p1 = intersectLineCircle(edge.To.Location, edge.From.Location, edge.From.Location, edge.From.Height / 2);
m_gc.DrawLine(p, p1.X,
p1.Y,
p2.X,
p2.Y);
if (!edge.IsLoop && edge.From == GraphNode.getFirstNonLoopingPredecessor(edge.To))
{
edge.To.getVisited(this);
}
return(null);
}
public override object visit(GraphEdge edge)
{
m_edges.Add(edge);
//not looping and not second pass
if (!edge.IsLoop && edge.From == GraphNode.getFirstNonLoopingPredecessor(edge.To))
{
edge.To.getVisited(this);
}
return(null);
}
public override object visit(GraphEdge edge)
{
int frm = m_flatter.Nodes.IndexOf(edge.From);
int to = m_flatter.Nodes.IndexOf(edge.To);
m_cmd.CommandText = "INSERT INTO room_connections (frm, too, chid, type) VALUES (" + frm + ", " + to + ",0 , 0);";
m_cmd.ExecuteNonQuery();
if (!edge.IsLoop && edge.From == GraphNode.getFirstNonLoopingPredecessor(edge.To))
{
edge.To.getVisited(this);
}
return(null);
}
public override object visit(GraphEdge edge)
{
if (edge.IsLoop || edge.From != GraphNode.getFirstNonLoopingPredecessor(edge.To))
{
return(null);
}
object found = edge.To.getVisited(this);
if (found != null)
{
return(found);
}
return(null);
}
