vector< vector< double > > allocateMatrix(int rows, int cols)
{
vector< vector< double > > toRet(rows);
for(int i = 0; i < rows; i++)
for(int j = 0; j < cols; j++)
toRet[i].push_back(0);
return toRet;
}
//pure-virtual from QGraphicsItem
QRectF PrivateQGraphicsObject::boundingRect() const
{
QRectF toRet(-1.0,-1.0,2.0,2.0);
if (_mgObj.isNull())
{
qWarning() << "Warning:" << this << "could not get bounding rect as MapGraphicsObject is null";
return toRet;
}
//If the object's size is zoom invariant (e.g., labels or markers) then assume the rect's units are pixels
if (_mgObj->sizeIsZoomInvariant())
return _mgObj->boundingRect();
//Otherwise, assume they're meters and do some conversions!
QRectF enuRect = _mgObj->boundingRect();
//Convert from ENU to lat/lon
QPointF latLonCenter = _mgObj->pos();
Position latLonCenterPos(latLonCenter, 0.0);
QPointF leftLatLon = Conversions::enu2lla(enuRect.left(),
0.0,
0.0,
latLonCenterPos).lonLat();
QPointF upLatLon = Conversions::enu2lla(0.0,
enuRect.top(),
0.0,
latLonCenterPos).lonLat();
qreal lonWidth = 2.0*(latLonCenter.x() - leftLatLon.x());
qreal latHeight = 2.0*(upLatLon.y() - latLonCenter.y());
//Once we've got the rect in lat/lon, we should convert it to scene pixels
QRectF latLonRect(leftLatLon.x(),upLatLon.y(),lonWidth,latHeight);
//We need our tile source to do the conversion
QSharedPointer<MapTileSource> tileSource = _infoSource->tileSource();
if (tileSource.isNull())
{
qWarning() << this << "can't do bounding box conversion, null tile source.";
return toRet;
}
int zoomLevel = _infoSource->zoomLevel();
QPointF topLeft = tileSource->ll2qgs(latLonRect.topLeft(),zoomLevel);
QPointF bottomRight = tileSource->ll2qgs(latLonRect.bottomRight(),zoomLevel);
toRet = QRectF(topLeft,bottomRight);
toRet.moveCenter(QPointF(0,0));
return toRet;
}
GameObjectPtr NetworkManager::RegisterAndReturn( GameObject* inGameObject )
{
GameObjectPtr toRet( inGameObject );
RegisterGameObject( toRet );
return toRet;
}
