void Additional_Class::SetLayerIsOff( CString strLayerName)
{
AcDbLayerTable *pLayTbl = NULL;
acdbCurDwg()->getLayerTable(pLayTbl, AcDb::kForWrite);
if(!pLayTbl->has(strLayerName))
{
pLayTbl->close(); //该图层不存在
return;
}
AcDbLayerTableRecord *pLayTblRec = NULL;
AcDbObjectId objId;
pLayTbl->getAt(strLayerName, pLayTblRec, AcDb::kForWrite);
pLayTbl->close();
//pLayTblRec->isInUse();
if (pLayTblRec==NULL)
{
return;
}
bool tempBool = pLayTblRec->isOff();
if (tempBool == false)
{
pLayTblRec->setIsOff(true);
}
else
{
pLayTblRec->setIsOff(false);
}
pLayTblRec->close();
return;
}
//把一层设置为OFF or ON
void CArxHelper::SetOneLayer(const TCHAR *name,int flag,bool YN)
//flag 1:isoff 2:isfrozen 3:islocked
{
AcDbLayerTable *pLayerTable;
acdbCurDwg()->getLayerTable(pLayerTable,AcDb::kForRead);
if(!pLayerTable->has(name))
{
pLayerTable->close();
return;
}
AcDbObjectId id;
pLayerTable->getAt(name,id);
AcDbLayerTableRecord *pLayerTableRecord;
acdbOpenObject(pLayerTableRecord,id,AcDb::kForWrite);
switch(flag)
{
case 1:
pLayerTableRecord->setIsOff(YN);
break;
case 2:
pLayerTableRecord->setIsFrozen(YN);
break;
case 3:
pLayerTableRecord->setIsLocked(YN);
break;
}
pLayerTableRecord->close();
pLayerTable->close();
}
bool CLayerState::set(void)
{
AcDbLayerTableRecord* pLayer = NULL;
if (Acad::eOk != acdbOpenObject(pLayer, m_idLayer, AcDb::kForWrite))
return false;
pLayer->setIsOff(m_bOff);
pLayer->setIsFrozen(m_bFrozen);
pLayer->setIsLocked(m_bLocked);
pLayer->close();
return true;
}
// This function creates a new AcDbLayerTableRecord, fills
// it in, and adds it to the layer table
//
// THE FOLLOWING CODE APPEARS IN THE SDK DOCUMENT.
//
void
addLayer()
{
AcDbLayerTable *pLayerTbl;
acdbHostApplicationServices()->workingDatabase()
->getSymbolTable(pLayerTbl, AcDb::kForWrite);
if (!pLayerTbl->has(_T("ASDK_TESTLAYER"))) {
AcDbLayerTableRecord *pLayerTblRcd
= new AcDbLayerTableRecord;
pLayerTblRcd->setName(_T("ASDK_TESTLAYER"));
pLayerTblRcd->setIsFrozen(0);// layer to THAWED
pLayerTblRcd->setIsOff(0); // layer to ON
pLayerTblRcd->setVPDFLT(0); // viewport default
pLayerTblRcd->setIsLocked(0);// un-locked
AcCmColor color;
color.setColorIndex(1); // set color to red
pLayerTblRcd->setColor(color);
// For linetype, we need to provide the object ID of
// the linetype record for the linetype we want to
// use. First, we need to get the object ID.
//
AcDbLinetypeTable *pLinetypeTbl;
AcDbObjectId ltId;
acdbHostApplicationServices()->workingDatabase()
->getSymbolTable(pLinetypeTbl, AcDb::kForRead);
if ((pLinetypeTbl->getAt(_T("DASHED"), ltId))
!= Acad::eOk)
{
acutPrintf(_T("\nUnable to find DASHED")
_T(" linetype. Using CONTINUOUS"));
// CONTINUOUS is in every drawing, so use it.
//
pLinetypeTbl->getAt(_T("CONTINUOUS"), ltId);
}
pLinetypeTbl->close();
pLayerTblRcd->setLinetypeObjectId(ltId);
pLayerTbl->add(pLayerTblRcd);
pLayerTblRcd->close();
pLayerTbl->close();
} else {
pLayerTbl->close();
acutPrintf(_T("\nlayer already exists"));
}
}
static void CheakLayerExit(CString layerName,int colorIndx, AcDb::LineWeight lineWeigt)
{
//int colorIndx = 7; //默认的颜色为白色
//AcDb::LineWeight lineWeigt = AcDb::kLnWt000;
//lineWeigt = AcDb::kLnWt030;
AcDbLayerTable* pLayerTbl = NULL;
// 获取当前的数据库
AcDbDatabase*pDB=acdbHostApplicationServices()->workingDatabase();
// 因为要创建新的图层，所以先要以写的方式获取图层表
pDB->getSymbolTable(pLayerTbl,AcDb::kForWrite);
// 检查图层是否存在
if (!pLayerTbl->has(layerName)) {
// 初始化一个新的对象，并且设置它的属性
AcDbLayerTableRecord *pLayerTblRcd = new AcDbLayerTableRecord;
pLayerTblRcd->setName(layerName);
pLayerTblRcd->setIsFrozen(0); // 图层设置为THAWED（解冻的）
pLayerTblRcd->setIsOff(0); // 图层设置为ON(开着的)
pLayerTblRcd->setIsLocked(0); // 图层 un-locked(解锁的)
AcCmColor color;
color.setColorIndex(colorIndx); // 图层的颜色设置
pLayerTblRcd->setColor(color);
pLayerTblRcd->setLineWeight(lineWeigt);
// 增加一个新的图层到容器(表)中
pLayerTbl->add(pLayerTblRcd);
// 把新建的图层关闭(不要删除它)
pLayerTblRcd->close();
// 关闭容器(表)
pLayerTbl->close();
}
else {
// 如果这个图层已经存在，仅仅需要关闭表继续就是
AcDbLayerTableRecord *pLayerTblRcd;
pLayerTbl->getAt(layerName, pLayerTblRcd, AcDb::kForWrite);
AcCmColor color;
color.setColorIndex(colorIndx); // 图层的颜色设置
pLayerTblRcd->setColor(color);
pLayerTblRcd->setLineWeight(lineWeigt);
pLayerTblRcd->close();
pLayerTbl->close();
//acutPrintf(_T("\nMYLAYER already exists"));
}
}
Acad::ErrorStatus TWArxLayer::Create( OUT AcDbObjectId& IdLayer ) const
{
if( m_strName.IsEmpty() ) return Acad::eInvalidInput;
AcDbDatabase* pDb = GetWorkingDB();
Acad::ErrorStatus es = Acad::eKeyNotFound;
AcDbLayerTable* pLayerTb = NULL;
es = pDb->getLayerTable( pLayerTb,AcDb::kForRead );
if( pLayerTb == NULL ) return es;
es = pLayerTb->getAt( m_strName, IdLayer );
if( es == Acad::eOk )
{
pLayerTb->close();
return es;
}
es = pLayerTb->upgradeOpen();
AcDbLayerTableRecord* pLtr = new AcDbLayerTableRecord;
pLtr->setName( m_strName );
pLtr->setIsFrozen( m_bIsFrozen );
pLtr->setIsLocked( m_bIsLocked );
pLtr->setIsOff( m_bIsOff );
es = pLayerTb->add( IdLayer, pLtr );
pLayerTb->close();
if( es == Acad::eOk )
{
pLtr->close();
return es;
}
TWFreePtr( pLtr );
return es;
}
void CLayerTreeDlg::ShowLayer(HTREEITEM hItem, BOOL bShow)
{
CString sLayerName = m_tree.GetItemText(hItem);
HTREEITEM hChild = m_tree.GetNextItem(hItem,TVGN_CHILD);
// 只有树叶才有对应的图层
if (hChild == NULL)
{
ShowLayer(sLayerName, bShow);
//如果是面层，还要把它的填充图层打开
CString sHatchLayer;
sHatchLayer.Format("%s_填充",sLayerName);
bool hasHatch = false;
acDocManager->lockDocument(acDocManager->curDocument());
AcDbLayerTable * pLayerTbl = NULL;
Acad::ErrorStatus es =
acdbHostApplicationServices()->workingDatabase()->getSymbolTable(pLayerTbl,AcDb::kForRead);
if (pLayerTbl->has(sHatchLayer))
{
AcDbLayerTableRecord * pLayerTbRcd = NULL;
es = pLayerTbl->getAt(sHatchLayer,pLayerTbRcd,AcDb::kForWrite);
pLayerTbRcd->setIsOff(bShow == 0);
pLayerTbRcd->close();
hasHatch = true;
}
pLayerTbl->close();
acDocManager->unlockDocument(acDocManager->curDocument());
}
while(hChild != NULL)
{
ShowLayer(hChild, bShow);
hChild = m_tree.GetNextItem(hChild,TVGN_NEXT);
}
}
void CreateLayer()
{
Acad::ErrorStatus es;
ACHAR szNewName[255];
_tcscpy(szNewName, _T("NewLayer"));
AcDbDatabase* pCurDb = acdbHostApplicationServices()->workingDatabase();
if (pCurDb == NULL)
{
acutPrintf(_T("\nError:Current database is NULL!"));
return;
}
AcDbLayerTableRecord* pNewLayer = new AcDbLayerTableRecord;
es = pNewLayer->setName(szNewName);
if (es != Acad::eOk)
{
acutPrintf(_T("\nFailed setName of the layer!"));
delete pNewLayer;
return;
}
AcCmColor cmColor;
cmColor.setColorIndex(1);
pNewLayer->setColor(cmColor);
pNewLayer->setIsFrozen(false);
pNewLayer->setIsOff(false);
pNewLayer->setVPDFLT(false);
pNewLayer->setIsLocked(false);
bool bStat = false;
AcDbLayerTable* pLayerTbl = NULL;
es = pCurDb->getLayerTable(pLayerTbl, AcDb::kForWrite);
if (es == Acad::eOk)
{
if (pLayerTbl->has(szNewName))
{
acutPrintf(_T("\nThe Layer \"%s\" has existed!"), szNewName);
delete pNewLayer;
}
else
{
es = pLayerTbl->add(pNewLayer);
if (es == Acad::eOk)
{
bStat = true;
pNewLayer->close();
}
else
{
acutPrintf(_T("\nFailed to add a new layer in LayerTable!"));
delete pNewLayer;
}
}
pLayerTbl->close();
}
if (bStat)
{
acutPrintf(_T("\nCreated the new layer: \"%s\" successfully!"), szNewName);
}
else
{
acutPrintf(_T("\nFailed to create the layer: \"%s\""), szNewName);
}
}
