// 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"));
}
}
Acad::ErrorStatus
ArxDbgUtils::addNewLayer(LPCTSTR layerName, AcDbDatabase* db)
{
ASSERT(db != NULL);
// if layer already exists, then just return
AcDbLayerTable* layTbl;
Acad::ErrorStatus es = db->getSymbolTable(layTbl, AcDb::kForRead);
if (es != Acad::eOk)
return es;
if (layTbl->has(layerName)) {
layTbl->close();
return Acad::eOk;
}
// upgrade to write
es = layTbl->upgradeOpen();
if (es != Acad::eOk) {
ASSERT(0);
layTbl->close();
return es;
}
// make sure the name gets set ok
AcDbLayerTableRecord* newRec = new AcDbLayerTableRecord;
es = newRec->setName(layerName);
if (es != Acad::eOk) {
delete newRec;
layTbl->close();
return Acad::eInvalidInput;
}
// look up value for default linetype CONTINUOUS,
// AcDbLayerTableRecord doesn't set this automatically (at least it didn't in Sedona)
newRec->setLinetypeObjectId(db->continuousLinetype());
es = layTbl->add(newRec);
if (es != Acad::eOk)
delete newRec;
else
newRec->close();
layTbl->close();
return es;
}
