Point ComputeStartPoint(IConnectable firstPoint, IConnectable nextPoint, ref double startPointRelativePos, ref ConnectorDocking docking, ref ulong connectorStartPort)
{
var start = _startPointHint;
if (docking == ConnectorDocking.Undefined)
{
start = firstPoint.GetPreferredConnectorStart(start, out startPointRelativePos, out docking, out connectorStartPort);
if (connectorStartPort == 0)
{
start = ConnectorUtilities.ComputeCenter(nextPoint.Bounds);
start = firstPoint.GetPreferredConnectorStart(start, out startPointRelativePos, out docking, out connectorStartPort);
}
}
else
{
start = firstPoint.GetConnectorPoint(docking, startPointRelativePos, connectorStartPort);
}
return(start);
}
Point ComputeEndPoint(IConnectable firstPoint, IConnectable nextPoint, ref double relativePos, ref ConnectorDocking docking, ref ulong connectorEndPort)
{
var end = _endPointHint;
if (docking == ConnectorDocking.Undefined)
{
end = nextPoint.GetPreferredConnectorEnd(end, out relativePos, out docking, out connectorEndPort);
if (connectorEndPort == 0)
{
nextPoint.GetPreferredConnectorEnd(ConnectorUtilities.ComputeCenter(firstPoint.Bounds),
out relativePos, out docking, out connectorEndPort);
}
}
else
{
end = nextPoint.GetConnectorPoint(docking, relativePos, connectorEndPort);
}
return(end);
}