//
// Find the intersection points between this conenction and that; 2 points may result. (2 with arc / segment)
//
public void FindIntersection(List <Point> figurePoints, Connection that, out Point pt1, out Point pt2)
{
if (that.type == ConnectionType.ARC)
{
this.segmentOrArc.FindIntersection(that.segmentOrArc as Arc, out pt1, out pt2);
}
else
{
this.segmentOrArc.FindIntersection(that.segmentOrArc as Segment, out pt1, out pt2);
}
Segment thatSeg = that.segmentOrArc as Segment;
Arc thatArc = that.segmentOrArc as Arc;
Segment thisSeg = this.segmentOrArc as Segment;
Arc thisArc = this.segmentOrArc as Arc;
//
// Normalize the points to the points in the drawing.
//
if (thisSeg != null && thatSeg != null)
{
pt1 = Utilities.AcquireRestrictedPoint(figurePoints, pt1, thisSeg, thatSeg);
pt2 = Utilities.AcquireRestrictedPoint(figurePoints, pt2, thisSeg, thatSeg);
}
else if (thisSeg != null && thatArc != null)
{
pt1 = Utilities.AcquireRestrictedPoint(figurePoints, pt1, thisSeg, thatArc);
pt2 = Utilities.AcquireRestrictedPoint(figurePoints, pt2, thisSeg, thatArc);
}
else if (thisArc != null && thatSeg != null)
{
pt1 = Utilities.AcquireRestrictedPoint(figurePoints, pt1, thatSeg, thisArc);
pt2 = Utilities.AcquireRestrictedPoint(figurePoints, pt2, thatSeg, thisArc);
}
else if (thisArc != null && thatArc != null)
{
pt1 = Utilities.AcquireRestrictedPoint(figurePoints, pt1, thisArc, thatArc);
pt2 = Utilities.AcquireRestrictedPoint(figurePoints, pt2, thisArc, thatArc);
}
}