C++ StylePtr::set_linestyle方法代码示例

/**
 * @brief KmlExport::createGroundTrackStyle Creates a custom style for the ground track.
 * @return Returns the custom style.
 */
StylePtr KmlExport::createGroundTrackStyle()
{
    // Add custom balloon style (gets rid of "Directions to here...")
    // https://groups.google.com/forum/?fromgroups#!topic/kml-support-getting-started/2CqF9oiynRY
    BalloonStylePtr balloonStyle = factory->CreateBalloonStyle();
    balloonStyle->set_text("$[id]");

    // Create an icon style
    IconStylePtr iconStyle = factory->CreateIconStyle();
    iconStyle->set_scale(0);

    // Create a label style
    LabelStylePtr labelStyle = factory->CreateLabelStyle();
    labelStyle->set_color(kmlbase::Color32(255, 0, 255, 255));
    labelStyle->set_scale(0);

    // Create a line style
    LineStylePtr lineStyle = factory->CreateLineStyle();
    lineStyle->set_color(kmlbase::Color32(255, 0, 0, 0)); // Black
    lineStyle->set_width(9);

    // Link the style to the icon
    StylePtr style = factory->CreateStyle();
    style->set_balloonstyle(balloonStyle);
    style->set_iconstyle(iconStyle);
    style->set_linestyle(lineStyle);
    style->set_labelstyle(labelStyle);

    style->set_id("ts_2_tb");

    return style;
}

/**
 * @brief KmlExport::createTimespanPlacemark Creates a timespan placemark, which allows the
 * trajectory to be played forward in time. The placemark also contains pertinent data about
 * the vehicle's state at that timespan
 * @param timestampPoint
 * @param lastPlacemarkTime
 * @param newPlacemarkTime
 * @return Returns the placemark containing the timespan
 */
PlacemarkPtr KmlExport::createTimespanPlacemark(const LLAVCoordinates &timestampPoint, quint32 lastPlacemarkTime, quint32 newPlacemarkTime)
{
    // Create coordinates
    CoordinatesPtr coordinates = factory->CreateCoordinates();
    coordinates->add_latlngalt(timestampPoint.latitude, timestampPoint.longitude, timestampPoint.altitude);

    // Create point, using previous coordinates
    PointPtr point = factory->CreatePoint();
    point->set_extrude(true); // Extrude to ground
    point->set_altitudemode(kmldom::ALTITUDEMODE_ABSOLUTE);
    point->set_coordinates(coordinates);

    // Create the timespan
    TimeSpanPtr timeSpan = factory->CreateTimeSpan();
    QDateTime startTime = QDateTime::currentDateTimeUtc().addMSecs(lastPlacemarkTime); // FIXME: Make it a function of the realtime preferably gotten from the GPS
    QDateTime endTime = QDateTime::currentDateTimeUtc().addMSecs(newPlacemarkTime);
    timeSpan->set_begin(startTime.toString(dateTimeFormat).toStdString());
    timeSpan->set_end(endTime.toString(dateTimeFormat).toStdString());

    // Create an icon style. This arrow icon will be rotated and colored to represent velocity
    AttitudeActual::DataFields attitudeActualData = attitudeActual->getData();
    AirspeedActual::DataFields airspeedActualData = airspeedActual->getData();
    IconStylePtr iconStyle = factory->CreateIconStyle();
    iconStyle->set_color(mapVelocity2Color(airspeedActualData.CalibratedAirspeed));
    iconStyle->set_heading(attitudeActualData.Yaw + 180); //Adding 180 degrees because the arrow art points down, i.e. south.

    // Create a line style. This defines the style for the "legs" connecting the points to the ground.
    LineStylePtr lineStyle = factory->CreateLineStyle();
    lineStyle->set_color(mapVelocity2Color(timestampPoint.groundspeed));

    // Link the style to the icon
    StylePtr style = factory->CreateStyle();
    style->set_linestyle(lineStyle);
    style->set_iconstyle(iconStyle);

    // Generate the placemark with all above attributes
    PlacemarkPtr placemark = factory->CreatePlacemark();
    placemark->set_geometry(point);
    placemark->set_timeprimitive(timeSpan);
    placemark->set_name(QString("%1").arg(timeStamp / 1000.0).toStdString());
    placemark->set_visibility(true);

    // Set the placemark to use the custom rotated arrow style
    placemark->set_styleurl("#directiveArrowStyle");
    placemark->set_styleselector(style);

    // Add a nice description to the placemark
    placemark->set_description(informationString.toStdString());

    return placemark;
}

//.........这里部分代码省略.........
            {
                GBool nullcheck;
                GBool nullcheck2;
                
                poKmlLabelStyle = poKmlFactory->CreateLabelStyle (  );

                OGRStyleLabel *poStyleLabel = ( OGRStyleLabel * ) poOgrST;

                /***** color *****/

                int nR,
                    nG,
                    nB,
                    nA;

                const char *pszcolor = poStyleLabel->ForeColor ( nullcheck );

                if ( !nullcheck
                     && poStyleLabel->GetRGBFromString ( pszcolor, nR, nG, nB, nA ) ) {
                    poKmlLabelStyle->set_color ( Color32 ( nA, nB, nG, nR ) );
                }

                /***** scale *****/

                double dfScale = poStyleLabel->Stretch ( nullcheck );

                if ( !nullcheck ) {
                    dfScale /= 100.0;
                    poKmlLabelStyle->set_scale ( dfScale );
                }
                
                /***** heading *****/

                double heading = poStyleLabel->Angle ( nullcheck );

                if ( !nullcheck ) {
                    if ( !poKmlIconStyle) {
                        poKmlIconStyle = poKmlFactory->CreateIconStyle (  );
                        IconStyleIconPtr poKmlIcon = poKmlFactory->CreateIconStyleIcon (  );
                        poKmlIconStyle->set_icon ( poKmlIcon );
                    }
                    
                    poKmlIconStyle->set_heading ( heading );
                }

                /***** hotspot *****/

                double dfDx = poStyleLabel->SpacingX ( nullcheck );
                double dfDy = poStyleLabel->SpacingY ( nullcheck2 );

                if ( !nullcheck && !nullcheck2 ) {
                    if ( !poKmlIconStyle) {
                        poKmlIconStyle = poKmlFactory->CreateIconStyle (  );
                        IconStyleIconPtr poKmlIcon = poKmlFactory->CreateIconStyleIcon (  );
                        poKmlIconStyle->set_icon ( poKmlIcon );
                    }
                    
                    HotSpotPtr poKmlHotSpot = poKmlFactory->CreateHotSpot (  );

                    poKmlHotSpot->set_x ( dfDx );
                    poKmlHotSpot->set_y ( dfDy );

                    poKmlIconStyle->set_hotspot ( poKmlHotSpot );
                }

                /***** label text *****/

                const char *pszText = poStyleLabel->TextString ( nullcheck );

                if ( !nullcheck ) {
                    if ( poKmlPlacemark ) {

                        poKmlPlacemark->set_name( pszText );
                    }
                }
                    
                break;
            }
        case OGRSTCNone:
        default:
            break;
        }

        delete poOgrST;
    }

    if ( poKmlLineStyle )
        poKmlStyle->set_linestyle ( poKmlLineStyle );

    if ( poKmlPolyStyle )
        poKmlStyle->set_polystyle ( poKmlPolyStyle );

    if ( poKmlIconStyle )
        poKmlStyle->set_iconstyle ( poKmlIconStyle );

    if ( poKmlLabelStyle )
        poKmlStyle->set_labelstyle ( poKmlLabelStyle );
    
    delete poOgrSM;
}

/**
 * @brief KmlExport::CreateLineStringPlacemark Adds a line segment which is colored according to the
 * vehicle's speed.
 * @param startPoint Beginning point along line
 * @param endPoint End point point along line
 * @return Returns the placemark containing the line segment
 */
PlacemarkPtr KmlExport::CreateLineStringPlacemark(const LLAVCoordinates &startPoint, const LLAVCoordinates &endPoint, quint32 newPlacemarkTime)
{
    CoordinatesPtr coordinates = factory->CreateCoordinates();
    coordinates->add_latlngalt(startPoint.latitude, startPoint.longitude, startPoint.altitude);
    coordinates->add_latlngalt(endPoint.latitude,   endPoint.longitude,   endPoint.altitude);

    LineStringPtr linestring = factory->CreateLineString();
    linestring->set_extrude(true); // Extrude to ground
    linestring->set_altitudemode(kmldom::ALTITUDEMODE_ABSOLUTE);
    linestring->set_coordinates(coordinates);

    StyleMapPtr styleMap = factory->CreateStyleMap();


    // Add custom balloon style (gets rid of "Directions to here...")
    // https://groups.google.com/forum/?fromgroups#!topic/kml-support-getting-started/2CqF9oiynRY
    BalloonStylePtr balloonStyle = factory->CreateBalloonStyle();
    balloonStyle->set_text("$[description]");

    {
        double currentVelocity = (startPoint.groundspeed + endPoint.groundspeed)/2;

        // Set the linestyle. The color is a function of speed.
        LineStylePtr lineStyle = factory->CreateLineStyle();
        lineStyle->set_color(mapVelocity2Color(currentVelocity));

        PolyStylePtr polyStyle = factory->CreatePolyStyle();
        polyStyle->set_color(mapVelocity2Color(currentVelocity, 100));

        // Link the style to the icon
        StylePtr style = factory->CreateStyle();
        style->set_balloonstyle(balloonStyle);
        style->set_linestyle(lineStyle);
        style->set_polystyle(polyStyle);

        PairPtr pair = factory->CreatePair();
        pair->set_styleselector(style);
        pair->set_key(kmldom::STYLESTATE_NORMAL);

        styleMap->add_pair(pair);
    }

    {
        double currentVelocity = (startPoint.groundspeed + endPoint.groundspeed)/2;

        // Set the linestyle. The color is a function of speed.
        LineStylePtr lineStyle = factory->CreateLineStyle();
        lineStyle->set_color(mapVelocity2Color(currentVelocity));

        PolyStylePtr polyStyle = factory->CreatePolyStyle();
        polyStyle->set_color(mapVelocity2Color(currentVelocity, 100));
        polyStyle->set_fill(false);

        // Link the style to the icon
        StylePtr style = factory->CreateStyle();
        style->set_balloonstyle(balloonStyle);
        style->set_linestyle(lineStyle);
        style->set_polystyle(polyStyle);

        PairPtr pair = factory->CreatePair();
        pair->set_styleselector(style);
        pair->set_key(kmldom::STYLESTATE_HIGHLIGHT);

        styleMap->add_pair(pair);
    }

    PlacemarkPtr placemark = factory->CreatePlacemark();
    placemark->set_geometry(linestring);
    placemark->set_styleselector(styleMap);
    placemark->set_visibility(true);

    // Create the timespan
    TimeSpanPtr timeSpan = factory->CreateTimeSpan();
    QDateTime startTime = QDateTime::currentDateTimeUtc().addMSecs(newPlacemarkTime); // FIXME: Make this a function of the true time, preferably gotten from the GPS
    QDateTime endTime = QDateTime::currentDateTimeUtc().addMSecs(newPlacemarkTime);
    timeSpan->set_begin(startTime.toString(dateTimeFormat).toStdString());
    timeSpan->set_end(endTime.toString(dateTimeFormat).toStdString());

    // Set the name
    QDateTime trackTime = QDateTime::currentDateTimeUtc().addMSecs(newPlacemarkTime); // FIXME: Make it a function of the realtime preferably gotten from the GPS
    placemark->set_name(trackTime.toString(dateTimeFormat).toStdString());

    // Add a nice description to the track placemark
    placemark->set_description(informationString.toStdString());

    // Set the timespan
    placemark->set_timeprimitive(timeSpan);

    return placemark;
}

StyleMapPtr KmlExport::createWallAxesStyle()
{
    StyleMapPtr styleMap = factory->CreateStyleMap();

    {
        // Add custom balloon style (gets rid of "Directions to here...")
        // https://groups.google.com/forum/?fromgroups#!topic/kml-support-getting-started/2CqF9oiynRY
        BalloonStylePtr balloonStyle = factory->CreateBalloonStyle();
        balloonStyle->set_text("$[id]");

        // Create an icon style
        IconStylePtr iconStyle = factory->CreateIconStyle();
        iconStyle->set_scale(0);

        // Create a label style
        LabelStylePtr labelStyle = factory->CreateLabelStyle();
        labelStyle->set_color(kmlbase::Color32(255, 0, 255, 255));
        labelStyle->set_scale(0);

        // Create a line style
        LineStylePtr lineStyle = factory->CreateLineStyle();
        lineStyle->set_color(kmlbase::Color32(255, 0, 0, 0)); // Black
        lineStyle->set_width(.9);

        // Link the style to the icon
        StylePtr style = factory->CreateStyle();
        style->set_balloonstyle(balloonStyle);
        style->set_iconstyle(iconStyle);
        style->set_linestyle(lineStyle);
        style->set_labelstyle(labelStyle);

        PairPtr pair = factory->CreatePair();
        pair->set_styleselector(style);
        pair->set_key(kmldom::STYLESTATE_NORMAL);

        styleMap->add_pair(pair);
    }

    {
        // Add custom balloon style (gets rid of "Directions to here...")
        // https://groups.google.com/forum/?fromgroups#!topic/kml-support-getting-started/2CqF9oiynRY
        BalloonStylePtr balloonStyle = factory->CreateBalloonStyle();
        balloonStyle->set_text("$[id]");

        // Create an icon style
        IconStylePtr iconStyle = factory->CreateIconStyle();
        iconStyle->set_scale(0);

        // Create a label style
        LabelStylePtr labelStyle = factory->CreateLabelStyle();
        labelStyle->set_color(kmlbase::Color32(255, 0, 255, 255));
        labelStyle->set_scale(0.75);

        // Create a line style
        LineStylePtr lineStyle = factory->CreateLineStyle();
        lineStyle->set_color(kmlbase::Color32(255, 0, 0, 0)); // Black
        lineStyle->set_width(1.8);

        // Link the style to the icon
        StylePtr style = factory->CreateStyle();
        style->set_balloonstyle(balloonStyle);
        style->set_iconstyle(iconStyle);
        style->set_linestyle(lineStyle);
        style->set_labelstyle(labelStyle);

        PairPtr pair = factory->CreatePair();
        pair->set_styleselector(style);
        pair->set_key(kmldom::STYLESTATE_HIGHLIGHT);

        styleMap->add_pair(pair);
    }

    styleMap->set_id("ts_1_tb");


    return styleMap;
}

/**
 * @brief KmlExport::createCustomBalloonStyle Creates a custom balloon stye, using an arrow as an icon.
 * @return Returns the custom balloon style.
 */
StyleMapPtr KmlExport::createCustomBalloonStyle()
{
    StyleMapPtr styleMap = factory->CreateStyleMap();

    {

        // Add custom balloon style (gets rid of "Directions to here...")
        // https://groups.google.com/forum/?fromgroups#!topic/kml-support-getting-started/2CqF9oiynRY
        BalloonStylePtr balloonStyle = factory->CreateBalloonStyle();
        balloonStyle->set_text("$[description]");

        // Change the icon
        IconStyleIconPtr iconStyleIcon = factory->CreateIconStyleIcon();
        iconStyleIcon->set_href("http://maps.google.com/mapfiles/kml/shapes/arrow.png");

        // Create a label style
        LabelStylePtr labelStyle = factory->CreateLabelStyle();
        labelStyle->set_color(kmlbase::Color32(255, 0, 255, 255));
        labelStyle->set_scale(0.75);

        // Create an icon style
        IconStylePtr iconStyle = factory->CreateIconStyle();
        iconStyle->set_icon(iconStyleIcon);
        iconStyle->set_scale(0.65);

        // Create a line style
        LineStylePtr lineStyle = factory->CreateLineStyle();
        lineStyle->set_width(3.25);

        // Link the style to the icon
        StylePtr style = factory->CreateStyle();
        style->set_balloonstyle(balloonStyle);
        style->set_iconstyle(iconStyle);
        style->set_linestyle(lineStyle);
        style->set_labelstyle(labelStyle);

        PairPtr pair = factory->CreatePair();
        pair->set_styleselector(style);
        pair->set_key(kmldom::STYLESTATE_NORMAL);

        styleMap->add_pair(pair);
    }

    {
        // Add custom balloon style (gets rid of "Directions to here...")
        // https://groups.google.com/forum/?fromgroups#!topic/kml-support-getting-started/2CqF9oiynRY
        BalloonStylePtr balloonStyle = factory->CreateBalloonStyle();
        balloonStyle->set_text("$[description]");

        // Change the icon
        IconStyleIconPtr iconStyleIcon = factory->CreateIconStyleIcon();
        iconStyleIcon->set_href("http://maps.google.com/mapfiles/kml/shapes/arrow.png");

        // Create an icon style
        IconStylePtr iconStyle = factory->CreateIconStyle();
        iconStyle->set_icon(iconStyleIcon);
        iconStyle->set_scale(0.65);

        // Create a label style
        LabelStylePtr labelStyle = factory->CreateLabelStyle();
        labelStyle->set_color(kmlbase::Color32(255, 0, 255, 255));
        labelStyle->set_scale(0.9);

        // Create a line style
        LineStylePtr lineStyle = factory->CreateLineStyle();
        lineStyle->set_width(6.5);

        // Link the style to the icon
        StylePtr style = factory->CreateStyle();
        style->set_balloonstyle(balloonStyle);
        style->set_iconstyle(iconStyle);
        style->set_linestyle(lineStyle);
        style->set_labelstyle(labelStyle);

        PairPtr pair = factory->CreatePair();
        pair->set_styleselector(style);
        pair->set_key(kmldom::STYLESTATE_HIGHLIGHT);

        styleMap->add_pair(pair);
    }

    styleMap->set_id("directiveArrowStyle");

    return styleMap;
}