public static void Add(this List <ConnectionNode> connectionNodes, Vertex vertex)
{
var connectionNode = connectionNodes.FindConnectionNode(vertex);
if (connectionNode == null)
{
connectionNode = new ConnectionNode();
connectionNodes.Add(connectionNode);
}
connectionNode.Add(vertex);
}
private static Dictionary <Stroke, Stroke> MergingAtNode(ConnectionNode conenctionNode, List <Stroke> outStrokes, double widthOfPen)
{
var res = new Dictionary <Stroke, Stroke>();
int n = outStrokes.Count;
double[,] angles = new double[n, n];
for (int i = 0; i < n; i++)
{
for (int j = 0; j < n; j++)
{
angles[i, j] = CalcDiffAngle(outStrokes[i], outStrokes[j], widthOfPen);
}
}
bool[] hasAPair = new bool[n];
double maxAngle = Math.PI;
while (maxAngle > minSmooth)
{
maxAngle = 0.0;
int maxi = -1;
int maxj = -1;
for (int i = 0; i < n; i++)
{
for (int j = 0; j < n; j++)
{
if (!hasAPair[i] && !hasAPair[j] && angles[i, j] > maxAngle)
{
maxi = i; maxj = j; maxAngle = angles[i, j];
}
}
}
if (maxAngle > minSmooth)
{
hasAPair[maxi] = true;
hasAPair[maxj] = true;
res.TryAdd(outStrokes[maxi].Sibling, outStrokes[maxj]);
res.TryAdd(outStrokes[maxj].Sibling, outStrokes[maxi]);
}
}
return(res);
}