void frgExtractTopologicalEntsFromLinesAlgm::_extract_vertices_from_lines(std::vector<Vertex2dsOnSegment2d> &seg_pnts_pairs,
const AcDbObjectIdArray &ids)
{
AcDbEntity *entity = NULL;
acedSetStatusBarProgressMeter(_T("正在提取每根线段上的节点..."), 0, ids.length());
for (int i = 0; i < ids.length(); i++)
{
acdbOpenAcDbEntity(entity, ids[i], AcDb::kForRead);
if (entity == NULL)
continue;
if (entity->isA() != AcDbLine::desc())
{
entity->close();
continue;
}
AcDbLine *line = (AcDbLine *)entity;
Vertex2dsOnSegment2d stru;
stru.seg.set(AcGePoint2d(line->startPoint().x, line->startPoint().y),
AcGePoint2d(line->endPoint().x, line->endPoint().y));
entity->close();
_extract_from_seg(stru);
seg_pnts_pairs.push_back(stru);
acedSetStatusBarProgressMeterPos(i);
}
acedRestoreStatusBar();
}
void
ArxDbgDbAdeskLogo::getReferenceAttachmentPoint(AcDbEntity* ent, AcGePoint3d& toPt)
{
AcDbCircle* circ;
AcDbArc* arc;
AcDbLine* line;
AcDbPoint* point;
AcDbBlockReference* blkRef;
if ((circ = AcDbCircle::cast(ent)) != NULL)
toPt = circ->center();
else if ((arc = AcDbArc::cast(ent)) != NULL)
toPt = arc->center();
else if ((line = AcDbLine::cast(ent)) != NULL)
toPt = line->startPoint();
else if ((point = AcDbPoint::cast(ent)) != NULL)
toPt = point->position();
else if ((blkRef = AcDbBlockReference::cast(ent)) != NULL)
toPt = blkRef->position();
else {
// can't get anything better so just rely on the ECS. If the
// raw AutoCAD entities would do this, we wouldn't need the above
// switch statement.
AcGeMatrix3d mat;
ent->getEcs(mat);
AcGeVector3d v1, v2, v3;
mat.getCoordSystem(toPt, v1, v2, v3);
}
}
