[每日一码] 从块定义创建一个INSERT

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1. AcDbObjectId createInsertForBlock (AcDbObjectId blockId, AcGePoint3d basePoint,
2.                    AcGeScale3d scaleFactor, double rotationAng,
3.                    AcGeVector3d vector, AcDbObjectId ownerRefId,
4.                    AcDbObjectId blockRefLayId)
5. {
6.     AcDbDatabase *pDB;
7.     AcDbBlockReference *pBlkRef;
8.     AcDbBlockTable *pBlockTable;
9.     AcDbBlockTableRecord *pBlockTableRecord;
10.     AcDbObjectId newEntId;
11.     AcDbBlockTableRecord *pBlockDef;
12.     AcDbBlockTableRecordIterator *pIterator;
13.     AcDbBlockReference *pOriginalRef;
14.     AcDbObjectIterator *pIterRef;   
15.     AcDbEntity *pEnt;
16.     AcDbAttributeDefinition *pAttdef;
18.     pDB = acdbHostApplicationServices()->workingDatabase();
20.     pBlkRef = new AcDbBlockReference;   
21.     pBlkRef->setBlockTableRecord(blockId);
22.     pBlkRef->setNormal(vector);
23.     pBlkRef->setPosition(basePoint);
24.     pBlkRef->setScaleFactors(scaleFactor);
25.     pBlkRef->setRotation(rotationAng);
26.     pBlkRef->setLayer(blockRefLayId, Adesk::kFalse);
29.     pDB->getBlockTable(pBlockTable, AcDb::kForRead);
32.     pBlockTable->getAt(ACDB采用MODEL采用SPACE, pBlockTableRecord,
33. AcDb::kForWrite);
34.     pBlockTable->close();     
36.     pBlockTableRecord->appendAcDbEntity(newEntId, pBlkRef);
37.     pBlockTableRecord->close();
39.     acdbOpenObject(pBlockDef, blockId, AcDb::kForRead);
41.     pBlockDef->newIterator(pIterator);   
43.     //采用采用采用采用iterating original block ref for attributes
44.     acdbOpenObject(pOriginalRef,ownerRefId,AcDb::kForRead);
45.     pIterRef =pOriginalRef->attributeIterator ();   
46.     pOriginalRef->close();
49.     for(pIterator->start(); !pIterator->done(); pIterator->step())
50.     {
51.         pIterator->getEntity(pEnt, AcDb::kForRead);
52.         pAttdef = AcDbAttributeDefinition::cast (pEnt);
53.         if (pAttdef != NULL && !pAttdef->isConstant())
54.         {   
55.             //采用采用采用采用iteration of original block ref continues...
56.             AcDbObject *pObj;
57.             AcDbObjectId ida;
58.             AcDbAttribute *pAtt;
59.             AcDbObjectId attId;
61.             ida = pIterRef->objectId();
62.             acdbOpenObject(pObj, ida, AcDb::kForRead);
63.             pAtt = AcDbAttribute::cast(pObj->clone());
64.             pObj->close();
66.             pAtt->setTextString("XXX");
67.             pBlkRef->appendAttribute(attId, pAtt);
68.             pAtt->close();
69.             pIterRef->step();
70.         }
72.         pEnt->close();
73.     }
75.     delete pIterator;   
76.     delete pIterRef;
77.     pBlockDef->close();
78.     pBlkRef->close();
80.     return newEntId;
81. }

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