C++ (Cpp) supportedFeatureTypes示例

示例#1

文件： qgeoroutingmanagerengine_nokia.cpp 项目： KDE/android-qt-mobility

bool QGeoRoutingManagerEngineNokia::checkEngineSupport(const QGeoRouteRequest &request,
        QGeoRouteRequest::TravelModes travelModes) const
{
    QList<QGeoRouteRequest::FeatureType> featureTypeList = request.featureTypes();
    QGeoRouteRequest::FeatureTypes featureTypeFlag = QGeoRouteRequest::NoFeature;
    QGeoRouteRequest::FeatureWeights featureWeightFlag = QGeoRouteRequest::NeutralFeatureWeight;

    for (int i = 0; i < featureTypeList.size(); ++i) {
        featureTypeFlag |= featureTypeList.at(i);
        featureWeightFlag |= request.featureWeight(featureTypeList.at(i));
    }

    if ((featureTypeFlag & supportedFeatureTypes()) != featureTypeFlag)
        return false;

    if ((featureWeightFlag & supportedFeatureWeights()) != featureWeightFlag)
        return false;


    if ((request.maneuverDetail() & supportedManeuverDetails()) != request.maneuverDetail())
        return false;

    if ((request.segmentDetail() & supportedSegmentDetails()) != request.segmentDetail())
        return false;

    if ((request.routeOptimization() & supportedRouteOptimizations()) != request.routeOptimization())
        return false;

    if ((travelModes & supportedTravelModes()) != travelModes)
        return false;

    return true;
}

示例#2

文件： qgeoroutingmanagerengine_nokia.cpp 项目： fatchao2/Qt

bool QGeoRoutingManagerEngineNokia::checkEngineSupport(const QGeoRouteRequest &request,
        QGeoRouteRequest::TravelModes travelModes) const
{
    QList<QGeoRouteRequest::FeatureType> featureTypeList = request.featureTypes();
    QGeoRouteRequest::FeatureTypes featureTypeFlag = QGeoRouteRequest::NoFeature;
    QGeoRouteRequest::FeatureWeights featureWeightFlag = QGeoRouteRequest::NeutralFeatureWeight;

    for (int i = 0; i < featureTypeList.size(); ++i) {
        featureTypeFlag |= featureTypeList.at(i);
        featureWeightFlag |= request.featureWeight(featureTypeList.at(i));
    }

    if ((featureTypeFlag & supportedFeatureTypes()) != featureTypeFlag)
        return false;

    if ((featureWeightFlag & supportedFeatureWeights()) != featureWeightFlag)
        return false;


    if ((request.maneuverDetail() & supportedManeuverDetails()) != request.maneuverDetail())
        return false;

    if ((request.segmentDetail() & supportedSegmentDetails()) != request.segmentDetail())
        return false;

    if ((request.routeOptimization() & supportedRouteOptimizations()) != request.routeOptimization())
        return false;

    if ((travelModes & supportedTravelModes()) != travelModes)
        return false;

    // Count the number of set bits (= number of travel modes) (popcount)
    int count = 0;

    for (unsigned bits = travelModes; bits; bits >>= 1)
        count += (bits & 1);

    // We only allow one travel mode at a time
    if (count != 1)
        return false;

    return true;
}