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发表于 2005-2-23 13:39:00
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readDwgFile(),取得实体ID,然后clone对象.voidcloneSameOwnerObjects(){ // Step 1: Obtain the set of objects to be cloned. ads_name sset; if (acedSSGet(NULL, NULL, NULL, NULL, sset) != RTNORM) { acutPrintf("\nNothing selected"); return; } // Step 2: Add obtained object IDs to list of objects // to be cloned. long length; acedSSLength(sset, &length); AcDbObjectIdArray objList; AcDbObjectId ownerId = AcDbObjectId::kNull; for (int i = 0; i ads_name ent; acedSSName(sset, i, ent); AcDbObjectId objId; acdbGetObjectId(objId, ent); // Check to be sure this has the same owner as the first // object. // AcDbObject *pObj; acdbOpenObject(pObj, objId, AcDb::kForRead); if (pObj->ownerId() == ownerId) objList.append(objId); else if (i == 0) { ownerId = pObj->ownerId(); objList.append(objId); } pObj->close(); } acedSSFree(sset); // Step 3: Get the object ID of the desired owner for // the cloned objects. We'll use model space for // this example. // AcDbBlockTable *pBlockTable; acdbHostApplicationServices()->workingDatabase() ->getSymbolTable(pBlockTable, AcDb::kForRead); AcDbObjectId modelSpaceId; pBlockTable->getAt(ACDB_MODEL_SPACE, modelSpaceId); pBlockTable->close(); // Step 4: Create a new ID map. // AcDbIdMapping idMap; // Step 5: Call deepCloneObjects(). // acdbHostApplicationServices()->workingDatabase() ->deepCloneObjects(objList, modelSpaceId, idMap); // Now we can go through the ID map and do whatever we'd // like to the original and/or clone objects. // // For this example, we'll print out the object IDs of // the new objects resulting from the cloning process. // AcDbIdMappingIter iter(idMap); for (iter.start(); !iter.done(); iter.next()) { AcDbIdPair idPair; iter.getMap(idPair); if (!idPair.isCloned()) continue; acutPrintf("\nObjectId is: %Ld", idPair.value().asOldId()); }} |
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