[每日一码] 指定颜色亮显几何实体

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1. void drawInfo(const AcGeCurve3d* crv,int color)
2. {
3.     AcGeInterval iv;
4.     double lb,ub;
5.     crv->getInterval(iv);
6.     iv.getBounds(lb,ub);
8.     double param = lb;
10.     double step = (ub-lb) / 100;
11.     AcGePoint3d p1,p2;
12.     p1 = crv->evalPoint(lb);
13.     while(param < ub)
14.     {
15.         param += step;
16.         p2 = crv->evalPoint(param);
17.         ads采用grdraw(asDblArray(p1),asDblArray(p2),color,0);
18.         p1 = p2;
19.     }
20.     p2 = crv->evalPoint(ub);
21.     ads采用grdraw(asDblArray(p1),asDblArray(p2),color,0);
23. }   

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