多段线

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1. AcDbObjectId FymPolyline::Add(const AcGePoint2dArray& points, double width, Adesk::Boolean isClosed)
2. {
3.         int numVerts = points.length();//计算输入点数组的长度
4.         AcDbPolyline* pPline = new AcDbPolyline(numVerts);
5.         for (int i = 0; i < points.length(); i++)
6.         {
7.                 pPline->addVertexAt(i, points.at(i), 0, width, width, 0); //将每个点添加到多段线中
8.         }
9.         pPline->setClosed(isClosed);//为真，则多线段将被设置为闭合
10.         return FymDatabase::PostToModelSpace(pPline);
11. }
13. AcDbObjectId FymPolyline::Add(const AcGePoint2d& ptStart, const AcGePoint2d& ptEnd, double width)
14. {
15.         AcGePoint2dArray points;
16.         points.append(ptStart);
17.         points.append(ptEnd);
18.         return Add(points, width);
19. }
20. //2d多段线
21. AcDbObjectId FymPolyline::Add2dPolyline(const AcGePoint3dArray& points, double startWidth, double endWidth, Adesk::Boolean isClosed)
22. {
23.         AcGePoint3dArray verPoints = points;
24.         AcDb2dPolyline* pPline = new AcDb2dPolyline(AcDb::k2dSimplePoly, verPoints, 0, isClosed, startWidth, endWidth);
25.         return FymDatabase::PostToModelSpace(pPline);
26. }
27. //3d多段线
28. AcDbObjectId FymPolyline::Add3dPolyline(const AcGePoint3dArray& points)
29. {
30.         AcGePoint3dArray verPts = points;
31.         AcDb3dPolyline* pPline = new AcDb3dPolyline(AcDb::k3dSimplePoly, verPts);
32.         return FymDatabase::PostToModelSpace(pPline);
33. }
34. //正多边形,(rotation)为旋转角度
35. AcDbObjectId FymPolyline::Add3dPolyGon(const AcGePoint2d& ptCenter, int number, double radius, double rotation, double width)
36. {
37.         double angle = 2 * FymMathUtil::PI() / (double)number;//计算每个顶点与中心的夹角
38.         AcGePoint2dArray points;//存储多段线的所有顶点
39.         for (int i = 0; i < number; i++)
40.         {
41.                 AcGePoint2d pt;
42.                 pt.x = ptCenter.x + radius * cos(i * angle);
43.                 pt.y = ptCenter.y + radius * sin(i * angle);
44.                 points.append(pt);
45.         }
46.         AcDbObjectId polyId = Add(points, width, Adesk::kTrue);
47.         FymEditor::Rotate(polyId, ptCenter, rotation);
48.         return polyId;
49. }
50. //对角线矩形
51. AcDbObjectId FymPolyline::AddRectang(const AcGePoint2d& pt1, const AcGePoint2d& pt2, double width)
52. {
53.         double x1 = pt1.x, x2 = pt2.x;
54.         double y1 = pt1.y, y2 = pt2.y;
55.         AcGePoint2d ptLeftBottom(min(x1, x2), min(y1, y2));
56.         AcGePoint2d ptRightBottom(max(x1, x2), min(y1, y2));
57.         AcGePoint2d ptRightTop(max(x1, x2), max(y1, y2));
58.         AcGePoint2d ptLeftTop(min(x1, x2), max(y1, y2));
60.         AcGePoint2dArray points;
61.         points.append(ptLeftBottom);
62.         points.append(ptRightBottom);
63.         points.append(ptRightTop);
64.         points.append(ptLeftTop);
66.         return Add(points, width, Adesk::kTrue);
67. }
68. //测试:小爱心,bulge0.5为四分之一圆
69. AcDbObjectId FymPolyline::AddPolyCircle(const AcGePoint2d& ptCenter, double radius, double width)
70. {
71.         AcGePoint2d pt1, pt2, pt3, pt4;
72.         pt1.x = ptCenter.x + radius;
73.         pt1.y = ptCenter.y;
74.         pt2.x = ptCenter.x - radius;
75.         pt2.y = ptCenter.y;
76.         pt3.x = ptCenter.x ;
77.         pt3.y = ptCenter.y + radius;
78.         pt4.x = ptCenter.x;
79.         pt4.y = ptCenter.y - radius;
81.         AcDbPolyline* pPloy = new AcDbPolyline(4);
82.         pPloy->addVertexAt(0, pt1, 1, width, width);
83.         pPloy->addVertexAt(1, pt3, 1, width, width);
84.         pPloy->addVertexAt(2, pt2, 0.1, width, width);
85.         pPloy->addVertexAt(3, pt4, 0.1, width, width);
86.         pPloy->setClosed(Adesk::kTrue);
88.         return FymDatabase::PostToModelSpace(pPloy);
89. }
91. AcDbObjectId FymPolyline::SetWidth(const AcDbObjectId& polyId, ads采用real width)
92. {
93.         AcDbPolyline* pPline = NULL;
94.         if (acdbOpenObject(pPline,polyId,AcDb::kForWrite)==Acad::eOk)
95.         {
96.                 pPline->setConstantWidth(width);
97.                 pPline->close();
98.         }
99.         return FymDatabase::PostToModelSpace(pPline);
101. }

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