public bool same(loopSeg tem)
{
if (seg == tem.seg)
{
return(true);
}
else if ((start == tem.start && end == tem.end) || (start == tem.end && end == tem.start))
{
if (seg.GetType() == tem.seg.GetType())
{
return(true);
}
return(false);
}
return(false);
}
public void storeSegments2() //获取边与点，取代上面三个函数，目前使用中
{
if (sket.GetSketchPoints2() == null)
{
Debug.Print("No points!");
return;
}
verNum = sket.GetSketchPoints2().Length; //以下为保存边、边的邻接点；点、点的邻接边的操作
adj = new int[verNum, verNum];
for (int i = 0; i < verNum; i++) //初始化邻接点数组，为之后的最小环提取做准备，在存储点与边的同时需要存储邻接关系
{
for (int j = 0; j < verNum; j++)
{
adj[i, j] = INF;
}
}
object[] segments = sket.GetSketchSegments();
foreach (SketchSegment seg in segments) //此时遍历所有边，判断边的类型，而后分类存储
{
bool flag = false;
int type = seg.GetType();
switch (type)
{
case 0:
flag = false;
loopSeg temLine = new loopSeg(seg);
SketchLine line = (SketchLine)seg;
temLine.setPoint(addPoint(line.GetStartPoint2()), addPoint(line.GetEndPoint2()));
temLine.setIndex(loopSegs.Count);
for (int i = 0; i < loopSegs.Count; i++)
{
if (temLine.same(loopSegs[i]))
{
flag = true;
}
}
if (!flag)
{
loopSegs.Add(temLine);
pois[temLine.start].setNext(temLine.end);
pois[temLine.end].setNext(temLine.start);
pois[temLine.start].setNextSeg2(temLine.index);
pois[temLine.end].setNextSeg2(temLine.index);
adj[temLine.start, temLine.end] = 1;
adj[temLine.end, temLine.start] = 1;
}
break;
case 1:
flag = false;
loopSeg temArc = new loopSeg(seg);
SketchArc arc = (SketchArc)seg;
temArc.setPoint(addPoint(arc.GetStartPoint2()), addPoint(arc.GetEndPoint2()));
temArc.setIndex(loopSegs.Count);
for (int i = 0; i < loopSegs.Count; i++)
{
if (temArc.same(loopSegs[i]))
{
flag = true;
}
}
if (!flag)
{
loopSegs.Add(temArc);
pois[temArc.start].setNext(temArc.end);
pois[temArc.end].setNext(temArc.start);
pois[temArc.start].setNextSeg2(temArc.index);
pois[temArc.end].setNextSeg2(temArc.index);
adj[temArc.start, temArc.end] = 1;
adj[temArc.end, temArc.start] = 1;
}
break;
case 2:
flag = false;
loopSeg temEll = new loopSeg(seg);
SketchEllipse ell = (SketchEllipse)seg;
temEll.setPoint(addPoint(ell.GetStartPoint2()), addPoint(ell.GetEndPoint2()));
temEll.setIndex(loopSegs.Count);
for (int i = 0; i < loopSegs.Count; i++)
{
if (temEll.same(loopSegs[i]))
{
flag = true;
}
}
if (!flag)
{
loopSegs.Add(temEll);
pois[temEll.start].setNext(temEll.end);
pois[temEll.end].setNext(temEll.start);
pois[temEll.start].setNextSeg2(temEll.index);
pois[temEll.end].setNextSeg2(temEll.index);
adj[temEll.start, temEll.end] = 1;
adj[temEll.end, temEll.start] = 1;
}
break;
case 3:
flag = false;
loopSeg temSpl = new loopSeg(seg);
SketchSpline spl = (SketchSpline)seg;
object[] tem = spl.GetPoints2();
temSpl.setPoint(addPoint((SketchPoint)tem[0]), addPoint((SketchPoint)tem[tem.Length - 1]));
temSpl.setIndex(loopSegs.Count);
for (int i = 0; i < loopSegs.Count; i++)
{
if (temSpl.same(loopSegs[i]))
{
flag = true;
}
}
if (!flag)
{
loopSegs.Add(temSpl);
pois[temSpl.start].setNext(temSpl.end);
pois[temSpl.end].setNext(temSpl.start);
pois[temSpl.start].setNextSeg2(temSpl.index);
pois[temSpl.end].setNextSeg2(temSpl.index);
adj[temSpl.start, temSpl.end] = 1;
adj[temSpl.end, temSpl.start] = 1;
}
break;
case 5:
flag = false;
loopSeg temPar = new loopSeg(seg);
SketchParabola par = (SketchParabola)seg;
temPar.setPoint(addPoint(par.GetStartPoint2()), addPoint(par.GetEndPoint2()));
temPar.setIndex(loopSegs.Count);
for (int i = 0; i < loopSegs.Count; i++)
{
if (temPar.same(loopSegs[i]))
{
flag = true;
}
}
if (!flag)
{
loopSegs.Add(temPar);
pois[temPar.start].setNext(temPar.end);
pois[temPar.end].setNext(temPar.start);
pois[temPar.start].setNextSeg2(temPar.index);
pois[temPar.end].setNextSeg2(temPar.index);
adj[temPar.start, temPar.end] = 1;
adj[temPar.end, temPar.start] = 1;
}
break;
case 4:
break;
}
}
}