绘制曲线两种矩形包围盒（aabb, obb）
static void TaoDemoGetMinRectangle()
{
AcDbObjectIdArray polyIdArray;
if(CPromptSelectEx::PromptSelectEnts(L"\n请拾取曲线：", AcDbCurve::desc(), polyIdArray, true))
{
AcDbCurve* pCurve = NULL;
AcGeCurve3d * pGeCurve = NULL;
AcGePoint3d base;
AcGeVector3d dir1, dir2, dir3;
AcGePoint3dArray ptArray;
ptArray.setLogicalLength(4);
for (const auto& id : polyIdArray)
{
if (Acad::eOk == acdbOpenObject(pCurve, id, AcDb::kForRead))
{
if(Acad::eOk == pCurve->getAcGeCurve(pGeCurve))
{
auto obb = pGeCurve->boundBlock();
obb.get(base, dir1, dir2, dir3);
ptArray = base;
ptArray = base + dir1;
ptArray = base + dir2 + dir1;
ptArray = base + dir2;
CDbPolylineEx::Add3dPolyline(ptArray, AcDb::k3dSimplePoly, true, 1);
auto aabb = pGeCurve->orthoBoundBlock();
aabb.get(base, dir1, dir2, dir3);
ptArray = base;
ptArray = base + dir1;
ptArray = base + dir2 + dir1;
ptArray = base + dir2;
CDbPolylineEx::Add3dPolyline(ptArray, AcDb::k3dSimplePoly, true, 2);
}
pCurve->close();
}
}
}
}
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