protected bool Add(TriangulationPoint p, int idx, bool constrainToBounds)
{
if (p == null)
{
return(false);
}
if (constrainToBounds)
{
ConstrainPointToBounds(p);
}
// if we already have an instance of the point, then don't bother inserting it again as duplicate points
// will actually cause some real problems later on. Still return true though to indicate that the point
// is successfully "added"
if (_pointMap.ContainsKey(p.VertexCode))
{
return(true);
}
_pointMap.Add(p.VertexCode, p);
if (idx < 0)
{
MPoints.Add(p);
}
else
{
MPoints.Insert(idx, p);
}
return(true);
}
protected override void Add(Point2D p, int idx, bool bCalcWindingOrderAndEpsilon)
{
TriangulationPoint pt;
if (p is TriangulationPoint)
{
pt = p as TriangulationPoint;
}
else
{
pt = new TriangulationPoint(p.X, p.Y);
}
if (idx < 0)
{
MPoints.Add(pt);
}
else
{
MPoints.Insert(idx, pt);
}
BoundingBox = BoundingBox.AddPoint(pt);
if (bCalcWindingOrderAndEpsilon)
{
if (WindingOrder == WindingOrderType.Unknown)
{
WindingOrder = CalculateWindingOrder();
}
Epsilon = CalculateEpsilon();
}
}
protected override void AddRange(IEnumerator <Point2D> iter, WindingOrderType windingOrder)
{
if (iter == null)
{
return;
}
if (WindingOrder == WindingOrderType.Unknown && Count == 0)
{
WindingOrder = windingOrder;
}
bool bReverseReadOrder = (WindingOrder != WindingOrderType.Unknown) && (windingOrder != WindingOrderType.Unknown) && (WindingOrder != windingOrder);
bool bAddedFirst = true;
int startCount = MPoints.Count;
iter.Reset();
while (iter.MoveNext())
{
TriangulationPoint pt;
if (iter.Current is TriangulationPoint)
{
pt = iter.Current as TriangulationPoint;
}
else
{
pt = new TriangulationPoint(iter.Current.X, iter.Current.Y);
}
if (!bAddedFirst)
{
bAddedFirst = true;
MPoints.Add(pt);
}
else if (bReverseReadOrder)
{
MPoints.Insert(startCount, pt);
}
else
{
MPoints.Add(pt);
}
BoundingBox = BoundingBox.AddPoint(iter.Current);
}
if (WindingOrder == WindingOrderType.Unknown && windingOrder == WindingOrderType.Unknown)
{
WindingOrder = CalculateWindingOrder();
}
Epsilon = CalculateEpsilon();
}