public Polygon Split(VertexInterface b)
{
VertexInterface bp = this._v.Split(b);
Resize();
return(new Polygon(bp));
}
public void Remove()
{
VertexInterface v = this._v;
this._v = (--this._size == 0) ? null : this._v.Ccw();
v.Remove();
}
public VertexInterface Insert(PointInterface p)
{
if (this._size++ == 0)
{
this._v = new Vertex(p);
}
else
{
this._v = this._v.Insert(new Vertex(p));
}
return(this._v);
}
protected override void OnDisposing()
{
if (this._v != null)
{
VertexInterface w = this._v.Cw();
while (!this._v.Equals(w))
{
w.Remove();
w = this._v.Cw();
}
this._v = null;
}
}
private void Resize()
{
if (this._v == null)
{
this._size = 0;
}
else
{
VertexInterface v = this._v.Cw();
for (this._size = 1; !v.Equals(this._v); this._size++, v = v.Cw())
{
;
}
}
}
public Polygon(Polygon p)
{
this._size = p._size;
if (this._size == 0)
{
this._v = null;
}
else
{
this._v = new Vertex((VertexInterface)p.Point());
for (int i = 1; i < this._size; i++)
{
p.Advance(Rotation.CLOCKWISE);
this._v = this._v.Insert(new Vertex((VertexInterface)p.Point()));
}
p.Advance(Rotation.CLOCKWISE);
this._v = this._v.Cw();
}
}
public VertexNode(VertexInterface vertex)
{
this.Vertex = vertex;
}
public VertexInterface SetV(VertexInterface v)
{
return(this._v = v);
}
public VertexInterface Advance(Rotation rotation)
{
return(this._v = this._v.Neighbor(rotation));
}
public Polygon(VertexInterface v)
{
this._v = new Vertex(v);
Resize();
}
public Polygon()
{
this._v = null;
this._size = 0;
}