C++ AcDbEntity::layer方法代码示例

void asdktest5 () {
    //----- Select the entities
    ads_name ss, en ;
    if ( acedSSGet (NULL, NULL, NULL, NULL, ss) != RTNORM )
        return ;

    //----- Append entity IDs to the collector
    long n ;
    AcDbObjectId id ;
    AsdkHlrCollector collector ;
    acedSSLength (ss, &n) ;
    for ( int i =0 ; i < n ; i++ ) {
        acedSSName (ss, i, en) ;
        acdbGetObjectId (id, en) ;
        collector.addEntity (id) ;
    }
    acedSSFree (ss) ;

    //----- Display a dialog box to select HLR controls, the user wants to apply to the HLR engine
    AfxSetResourceHandle (_hdllInstance) ;
    CControlsDlg dlg ;
    dlg.mnControls =kProject | kEntity | kBlock | kHonorInternals ;
    if ( dlg.DoModal () != IDOK ) {
        AfxSetResourceHandle (acedGetAcadResourceInstance ()) ;
        return ;
    }
    AfxSetResourceHandle (acedGetAcadResourceInstance ()) ;

    int control =dlg.mnControls ;
    acutPrintf (ACRX_T("\nAbout to call hidden Line calculation")) ;
    acutPrintf (ACRX_T("\nCalling with %d Entities"), collector.getInputEntityIds ().logicalLength ()) ;
    acutPrintf (ACRX_T("\nkProject %s "), control & kProject ? ACRX_T("On") : ACRX_T("Off")) ;
    acutPrintf (ACRX_T("\nkShowAll %s "), control & kShowAll ? ACRX_T("On") : ACRX_T("Off")) ;
    acutPrintf (ACRX_T("\nkEntity %s "), control & kEntity  ? ACRX_T("On") : ACRX_T("Off")) ;
    acutPrintf (ACRX_T("\nkBlock %s "), control & kBlock  ? ACRX_T("On") : ACRX_T("Off")) ;
    acutPrintf (ACRX_T("\nkSubentity %s "), control & kSubentity  ? ACRX_T("On") : ACRX_T("Off")) ;
    acutPrintf (ACRX_T("\nkHideTangents %s "), control & kHideTangents  ? ACRX_T("On") : ACRX_T("Off")) ;
    acutPrintf (ACRX_T("\nkCleanup %s "), control & kCleanup  ? ACRX_T("On") : ACRX_T("Off")) ;
    acutPrintf (ACRX_T("\nkIsolines %s "), control & kIsolines  ? ACRX_T("On") : ACRX_T("Off")) ;
    acutPrintf (ACRX_T("\nkUnite %s "), control & kUnite  ? ACRX_T("On") : ACRX_T("Off")) ;
    acutPrintf (ACRX_T("\nkReuse %s "), control & kReuse  ? ACRX_T("On") : ACRX_T("Off")) ;
    acutPrintf (ACRX_T("\nkProgress %s "), control & kProgress  ? ACRX_T("On") : ACRX_T("Off")) ;
    acutPrintf (ACRX_T("\nkHandlePoints %s "), control & kHandlePoints  ? ACRX_T("On") : ACRX_T("Off")) ;
    acutPrintf (ACRX_T("\nkHonorInternals %s "), control & kHonorInternals ? ACRX_T("On") : ACRX_T("Off")) ;
    acutPrintf (ACRX_T("\nkMeshSilhouettes %s "), control & kMeshSilhouettes ? ACRX_T("On") : ACRX_T("Off")) ;
    
    //----- Ask for virtual viewport settings
    AcDbViewport *pVp =NULL ;
    if ( !pickViewport (pVp) )
        return ;

    //----- Process hidden line removal
    AsdkHlrEngine hlr (pVp, control) ;
    hlr.run (collector) ;
    delete pVp ;

    //----- The following code will collect the color of the originator entity of an edge
    //----- and will assign it to the resulting entity.
    actrTransactionManager->startTransaction () ;

    int nOutput =collector.mOutputData.logicalLength () ;
    acutPrintf (ACRX_T("\nHlr returned %d curves"), nOutput) ;
    for ( int j =0 ; j < nOutput ; j++ ) {
        AsdkHlrData *pResult =collector.mOutputData [j] ;

        AcDbEntity *pResultEntity =pResult->getResultEntity () ;
        AcDbObjectId id ;
        if ( postToDatabase (NULL, pResultEntity, id) != Acad::eOk ) {
            acutPrintf (_T("Failed to add entity to current space.\n")) ;
            break ;
        }

        actrTransactionManager->getObject ((AcDbObject *&)pResultEntity, id, AcDb::kForWrite) ;

        AcDbObjectIdArray ids =pResult->getObjectIds () ;
        int last =ids.logicalLength () - 1 ;
        AcCmColor color ;
        AcDbObjectId layerId ;
        color.setColorIndex (0) ;
        while ( last >= 0 && color.colorIndex () == 0 ) {
            AcDbObjectId innerId =ids.at (last) ;
            AcDbObject *pObj ;
            actrTransactionManager->getObject (pObj, innerId, AcDb::kForRead) ;
            AcDbEntity *pEnt =AcDbEntity::cast (pObj) ;

            color =pEnt->color () ;
            layerId =pEnt->layerId () ;
            last-- ;
        }
        if ( layerId != AcDbObjectId::kNull ) {
            pResultEntity->setColor (color) ;
            pResultEntity->setLayer (layerId) ;
        } else {
            AcDbEntity *pEnt =pResult->getEntity () ;
            if ( pEnt != NULL ) {
                pResultEntity->setColor (pEnt->color ()) ;
                pResultEntity->setLayer (pEnt->layer ()) ;
            }
        }
        pResultEntity->close () ;
//.........这里部分代码省略.........

void ZcEntityReactor::openedForModify(const AcDbObject* dbObj)
{
	if (!dbObj->isKindOf(AcDbEntity::desc()))
	{
		acutPrintf(_T("\nObject is not a valid Entity!"));
		return;
	}

	AcDbEntity* pEnt = AcDbEntity::cast(dbObj);
	CString strLayer;
	strLayer.Format(_T("\nCurrent Entity:%s .The layerName:%s ."), pEnt->isA()->name(), pEnt->layer());
	acutPrintf(strLayer);
}

void CDlgReadInfo::OnBnClickedBtnSelect()
{
	//交互选择实体
	BeginEditorCommand();

	CString strCadName;
	CComboBox* pCmb = (CComboBox*)GetDlgItem(IDC_COMBO_CADLY);
	pCmb->GetLBText(pCmb->GetCurSel(),strCadName);

	
	ads_name ssName;
	struct resbuf *filter=NULL;
	if(strCadName.CompareNoCase("所有图层") != 0)
	{
		filter=acutNewRb(AcDb::kDxfLayerName);
		filter->restype=AcDb::kDxfLayerName;
		filter->resval.rstring = (char*) malloc((strCadName.GetLength()+1)*sizeof(char));
		strcpy(filter->resval.rstring,strCadName.GetBuffer(0));
		filter->rbnext=NULL;
	}
	
	if (acedSSGet(":S", NULL, NULL, filter, ssName) != RTNORM)
	{
		acutPrintf("\n选择实体有误!");
		acedSSFree(ssName); acutRelRb(filter);
		CompleteEditorCommand();
		return;
	}
	if(filter != NULL) acutRelRb(filter);

	AcDbObjectId tempObjId;
	ads_name ssTemp;
	long nNum = 0;
	int nPos = 0;
	acedSSLength(ssName,&nNum);
	CString strSdeName,strId,strRowId;

	m_wndTree.DeleteAllItems();

	// 清空属性列表
	ResetListItems();

	for(int i=0; i<nNum; i++)
	{
		acedSSName(ssName, i, ssTemp);
		if(Acad::eOk != acdbGetObjectId(tempObjId, ssTemp)) continue;
		strId.Format("%d",tempObjId.asOldId());
		CDistXData tempXData(tempObjId,"ROWID_OBJS");
		if(tempXData.Select("SDELYNAME",strSdeName)==FALSE) continue;
		if(tempXData.Select("OBJECTID",strRowId)==FALSE) continue;
		tempXData.Close();

		HTREEITEM hItem = m_wndTree.InsertItem(strId);

		AcDbEntity *pEnt = NULL;
		if (Acad::eOk != acdbOpenObject(pEnt, tempObjId, AcDb::kForRead))
		{
			return;
		}
		pEnt->close();

		ITEM_DATA xxItemData;
		xxItemData.strID = strId;
		xxItemData.strSdelayerName = strSdeName;
		xxItemData.strCadLayerName = pEnt->layer();
		xxItemData.strRowId = strRowId;

		mapItemData[strId] = xxItemData;

		nPos++;
	}
	
	acedSSFree(ssName);

	CompleteEditorCommand();

	if (m_wndTree.GetCount() <= 0)
	{
		return;
	}

	HTREEITEM hItem = m_wndTree.GetFirstVisibleItem();

	// 显示属性
	OnSelectChanged(hItem);
}

void ZcEntityReactor::modified(const AcDbObject* dbObj)
{
	if (!dbObj->isKindOf(AcDbEntity::desc()))
	{
		acutPrintf(_T("\nObject is not a valid Entity!"));
		return;
	}

	AcDbEntity* pEnt = AcDbEntity::cast(dbObj);
	CString strLayer;
	strLayer.Format(_T("\nEntity:%s has been modified.The layerName:%s.\n"), pEnt->isA()->name(), pEnt->layer());
	acutPrintf(strLayer);
}