ARX 多段线的合并

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1. 合成多段线
2. static void AppendPLinePoint(const AcDbObjectId& id,const bool& gotoNext,AcDbPolyline* pLine,int& plIndex)
3. {
4. AcDbEntity* pEnt = NULL;
5. Acad::ErrorStatus es = acdbOpenObject(pEnt,id,AcDb::OpenMode::kForRead);
6. if(es != Acad::eOk)
7. {
8. acutPrintf(采用T("open object failed in combine pline"));
9. return;
10. }
11. if(!pEnt->isKindOf(AcDbPolyline::desc()))
12. {
13. pEnt->close();
14. return;
15. }
17. AcDbPolyline* pPoly = NULL;
18. pPoly = (AcDbPolyline*)pEnt;
19. AcGePoint2dArray ptArr;
20. int count = pPoly->numVerts();
21. AcGePoint2d pt ;
22. double bulge = 0.0;
23. if(gotoNext)
24. {
25. for(int i = 0;i < count ; i++)
26. {
27. pPoly->getPointAt(i,pt);
28. pPoly->getBulgeAt(i,bulge);
29. pLine->addVertexAt(plIndex,pt,bulge);
30. plIndex++;
31. }
32. }
33. else
34. {
35. for(int i = count - 1;i > 0; i--)
36. {
37. pPoly->getPointAt(i,pt);
38. if(i > 0)
39. {
40. pPoly->getBulgeAt(i - 1,bulge);
41. }
42. else
43. {
44. pPoly->getBulgeAt(0,bulge);
45. }
46. pLine->addVertexAt(plIndex,pt,-bulge);
47. plIndex++;
48. }
49. }
51. pEnt->close();
52. }

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