/// <summary>
/// Previews the route wire to point.
/// </summary>
/// <param name="joint">The joint.</param>
/// <param name="userHint">The user hint.</param>
/// <param name="endDirections">The end directions.</param>
/// <param name="point">The point.</param>
/// <param name="isBranchingOperation">if set to <c>true</c> [is branching operation].</param>
/// <param name="retainPreviousRoute">if set to <c>true</c> [retain previous route].</param>
/// <param name="forceLayout">if set to <c>true</c> [force layout].</param>
/// <returns>List of Diagram Points</returns>
public IList <DiagramPoint> PreviewRouteWireToPoint(WireJoint joint, WireRouteHint userHint, WireRouteDirections endDirections, DiagramPoint point, bool isBranchingOperation, bool retainPreviousRoute,
bool forceLayout)
{
SMPoint p = point.TransformTo(joint.Wire.Diagram).Point;
double dx = p.X - joint.X;
double dy = p.Y - joint.Y;
// if the points are on top of each other do nothing
if (WireJoint.JointEqual((float)dx, 0) && WireJoint.JointEqual((float)dy, 0))
{
return(new List <DiagramPoint>());
}
return(new List <DiagramPoint>(new[] { point }));
}
/// <summary>
/// Gets the near wire children.
/// </summary>
/// <inheritdoc />
public override IEnumerable <NearWireChild> GetNearWireChildren(DiagramPoint point, float threshold, bool considerOrthogonalSegmentsOnly)
{
if (Owner == null || !(Owner is Diagram))
{
throw new ArgumentException("Wire must be a child of a Diagram", "wire");
}
SMPoint position = point.TransformTo(Diagram).Point;
foreach (var joint in Joints)
{
float distance = joint.GetDistance(position);
if (distance <= Math.Max(threshold, WireJoint.JointPrecisionDigits))
{
yield return(new NearWireChild(joint, point, distance));
}
}
}
