[每日一码] AcDbPolyline::getSplitCurves() 在某些时候仅仅增加顶点而不是拆分曲线

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1. AcGePoint3d projpt;
2. if ((es = pBoundary->getClosestPointTo(sp, projpt)) != Acad::eOk)
3.   return es;
5. AcGePoint3d projpt2;
6. if ((es = pBoundary->getClosestPointTo(pt2, projpt2)) != Acad::eOk)
7.         return es;
9. double dist1;
10. double dist2;
11. es = pBoundary->getDistAtPoint(projpt, dist1);
12. es = pBoundary->getDistAtPoint(projpt2, dist2);
13. if (dist1 < dist2)
14. {
15.   // first point is closer to the start point
16.   pts.append(projpt);
17.   pts.append(projpt2);
18. }
19. else{
20.   //second point is closer to the start point
21.   pts.append(projpt2);
22.   pts.append(projpt);
23. }
25. if ((es = pBoundary->getSplitCurves(pts, ents)) != Acad::eOk)
26.   return es;
27. ...

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