AcDbObjectId CArxHelper::CreateMLeader(const CString& strText, const AcGePoint3d& ptArrow, const AcGePoint3d& ptBase, const AcGeVector3d& vectDir)
{
AcDbObjectId leaderId = AcDbObjectId::kNull;
AcDbMText* pMText = new AcDbMText();
pMText->setContents(strText);
pMText->setColorIndex(4);
AcDbExtents extents;
pMText->getGeomExtents(extents);
AcDbMLeader *pEnt=new AcDbMLeader();
int i = 0;
pEnt->setContentType(AcDbMLeaderStyle::kMTextContent);
pEnt->addLeader(i);
pEnt->addLeaderLine(ptArrow,i);
pEnt->addLastVertex(i,ptBase);
pEnt->setDoglegLength(1);
pEnt->setDoglegDirection(i,vectDir);
pEnt->setArrowSize(0.001);
pEnt->setTextAttachmentType(AcDbMLeaderStyle::kAttachmentBottomLine,AcDbMLeaderStyle::kLeftLeader);
pEnt->setTextAttachmentType(AcDbMLeaderStyle::kAttachmentBottomLine,AcDbMLeaderStyle::kRightLeader);
pEnt->setTextAlignmentType(AcDbMLeaderStyle::kLeftAlignment);
pEnt->setMText(pMText);
AcGePoint3d pt = ptBase+vectDir*(extents.maxPoint().x-extents.minPoint().x)*1.1+AcGeVector3d::kYAxis*(extents.maxPoint().y-extents.minPoint().y)*1.1;
pEnt->setTextLocation(pt);
leaderId = AddToCAD(pEnt);
return leaderId;
}
void ArxEntityHelper::ZoomToEntity( const AcDbObjectId& objId )
{
AcTransaction* pTrans = actrTransactionManager->startTransaction();
if( pTrans == 0 ) return;
AcDbObject* pObj;
if( Acad::eOk != pTrans->getObject( pObj, objId, AcDb::kForRead ) )
{
actrTransactionManager->abortTransaction();
return;
}
AcDbEntity* pEnt = AcDbEntity::cast( pObj );
if( pEnt == 0 )
{
actrTransactionManager->abortTransaction();
return;
}
AcDbExtents extents;
bool ret = ( Acad::eOk == pEnt->getGeomExtents( extents ) );
actrTransactionManager->endTransaction();
if( ret && IsValidExtent( extents ) )
{
ZoomEntity_Helper( extents.minPoint(), extents.maxPoint() );
}
}
Acad::ErrorStatus SingleTunnelDraw::subGetGeomExtents( AcDbExtents& extents ) const
{
assertReadEnabled();
extents.addPoint( m_startPt );
extents.addPoint( m_endPt );
return Acad::eOk;
}
void ArxEntityHelper::ZoomToEntities( const AcDbObjectIdArray& objIds )
{
AcTransaction* pTrans = actrTransactionManager->startTransaction();
if( pTrans == 0 ) return;
AcDbExtents exts;
int len = objIds.length();
for( int i = 0; i < len; i++ )
{
AcDbObject* pObj;
if( Acad::eOk != pTrans->getObject( pObj, objIds[i], AcDb::kForRead ) ) continue;
AcDbEntity* pEnt = AcDbEntity::cast( pObj );
if( pEnt == 0 ) continue;
AcDbExtents extents;
if( Acad::eOk != pEnt->getGeomExtents( extents ) ) continue;
exts.addPoint( extents.minPoint() );
exts.addPoint( extents.maxPoint() );
}
actrTransactionManager->endTransaction();
AcGePoint3d minPt = exts.minPoint();
AcGePoint3d maxPt = exts.maxPoint();
if( minPt.x <= maxPt.x && minPt.y <= maxPt.y && minPt.z <= maxPt.z )
{
ZoomEntity_Helper( minPt, maxPt );
}
}
AcGePoint3d Additional_Class::Get_CenterPt( AcDbObjectId ObjID )
{
AcDbEntity *pEnt = NULL;
AcGePoint3d ptMax, ptMin, ptRes;
ptRes.set(0,0,0);
if (Acad::eOk == acdbOpenAcDbEntity(pEnt, ObjID, AcDb::kForWrite))
{
AcDbExtents pEntExtent;
pEnt->getGeomExtents(pEntExtent);
ptMax = pEntExtent.maxPoint();
ptMin = pEntExtent.minPoint();
ptRes.x = (ptMax.x + ptMin.x)/2;
ptRes.y = (ptMax.y + ptMin.y)/2;
ptRes.z = (ptMax.z + ptMin.z)/2;
}
pEnt->close();
return ptRes;
}
Acad::ErrorStatus PDSphere::subGetGeomExtents(AcDbExtents& extents) const
#else
Acad::ErrorStatus PDSphere::getGeomExtents(AcDbExtents& extents) const
#endif
{
assertReadEnabled();
extents.set(m_ptCenter - AcGeVector3d(1, 1, 1) * m_dRadius,
m_ptCenter + AcGeVector3d(1, 1, 1) * m_dRadius);
return Acad::eOk;
}
Acad::ErrorStatus PDEcone::subGetGeomExtents(AcDbExtents& extents) const
#else
Acad::ErrorStatus PDEcone::getGeomExtents(AcDbExtents& extents) const
#endif
{
assertReadEnabled();
extents.set(m_ptStart, m_ptStart);
AcGePoint3dArray pArray;
AcGeIntArray stdIdx;
int actPrecision;
getVertices(m_dDividPrecision, pArray, stdIdx, actPrecision);
int i;
for(i = 0; i < actPrecision; ++i)
{
extents.addPoint(pArray[i]);
extents.addPoint(pArray[i + actPrecision + 1]);
}
return Acad::eOk;
}
AcDbObjectId CArxHelper::CreateText(const CString& strText, const AcGePoint3d& pt1, const AcGePoint3d& pt2, double dDist, BOOL bUp /* = TRUE */)
{
AcDbObjectId textId = AcDbObjectId::kNull;
AcGePoint3d pt = (pt1 + pt2.asVector()) / 2.0;
AcDbMText* pMText = new AcDbMText();
pMText->setContents(strText);
pMText->setLocation(pt);
pMText->setDirection(pt2-pt1);
textId = AddToCAD(pMText,4);
AcDbExtents extents;
pMText->getGeomExtents(extents);
AcGeVector3d vect = (pt2-pt1).normal() * (extents.maxPoint().x - extents.minPoint().x) / 2.0;
AcGeMatrix3d xform = AcGeMatrix3d::translation(-vect);
acdbOpenObject(pMText,textId,AcDb::kForWrite);
pMText->transformBy(xform);
pMText->close();
return textId;
}
void ZoomToEntity( const AcDbObjectId& objId )
{
AcTransaction* pTrans = actrTransactionManager->startTransaction();
if( pTrans == 0 ) return;
AcDbObject* pObj;
if( Acad::eOk != pTrans->getObject( pObj, objId, AcDb::kForRead ) )
{
actrTransactionManager->abortTransaction();
return;
}
//AcApDocument
//AcApDocManager
//AcDbBlockTableRecord
AcDbEntity* pEnt = AcDbEntity::cast( pObj );
if( pEnt == 0 )
{
actrTransactionManager->abortTransaction();
return;
}
AcDbExtents extents;
bool ret = ( Acad::eOk == pEnt->getGeomExtents( extents ) );
actrTransactionManager->endTransaction();
if( !ret )
{
acutPrintf( _T( "\n1) exten无效" ) );
}
else if( !IsValidExtent( extents ) )
{
acutPrintf( _T( "\n2) exten无效" ) );
}
else
{
ZoomEntity_Helper( extents.minPoint(), extents.maxPoint() );
}
}
static bool IsValidExtent( const AcDbExtents& ext )
{
AcGeVector3d v = ext.maxPoint() - ext.minPoint();
//acutPrintf(_T("\nextents:x=%.3f,%y=%.3f,z=%.3f\n"), v.x, v.y, v.z);
return ( v.x >= 0 && v.y >= 0 && v.z >= 0 ); // x,y,z的差值必须>=0
}
