Examples with StyledShapePainter org.geotools.renderer.lite.StyledShapePainter used on opensource projects

Example 1 with StyledShapePainter

use of org.geotools.renderer.lite.StyledShapePainter in project hale by halestudio.

the class StyledInstanceMarker method paintPoint.

/**
 * @see InstanceMarker#paintPoint(Point, Graphics2D, CRSDefinition,
 *      InstanceWaypoint, PixelConverter, int, CoordinateReferenceSystem,
 *      boolean)
 */
@Override
protected Area paintPoint(Point geometry, Graphics2D g, CRSDefinition crsDefinition, InstanceWaypoint context, PixelConverter converter, int zoom, CoordinateReferenceSystem mapCRS, boolean calculateArea) {
    initStyle(context);
    Area area = null;
    try {
        if (pointSymbolizer == null || (SLD.mark(pointSymbolizer) == null && pointSymbolizer.getGraphic().graphicalSymbols().isEmpty())) {
            // generic
            return super.paintFallback(g, context, converter, zoom, null, calculateArea);
        }
        // get CRS converter
        CRSConverter conv = CRSConverter.getConverter(crsDefinition.getCRS(), mapCRS);
        // manually convert to map CRS
        Point3D mapPoint = conv.convert(geometry.getX(), geometry.getY(), 0);
        GeoPosition pos = new GeoPosition(mapPoint.getX(), mapPoint.getY(), converter.getMapEpsg());
        // determine pixel coordinates
        Point2D point = converter.geoToPixel(pos, zoom);
        Coordinate coordinate = new Coordinate(point.getX(), point.getY());
        Point newPoint = geometry.getFactory().createPoint(coordinate);
        // create a LiteShape and instantiate the Painter and the
        // StyleFactory
        LiteShape2 lites = new LiteShape2(newPoint, null, null, false);
        StyledShapePainter ssp = new StyledShapePainter();
        SLDStyleFactory styleFactory = new SLDStyleFactory();
        Range<Double> range = new Range<Double>(Double.class, 0.5, 1.5);
        PointSymbolizer pointS;
        // is the Waypoint selected?
        if (context.isSelected()) {
            // switch to the SelectionSymbolizer
            pointS = getSelectionSymbolizer(pointSymbolizer);
        } else
            // use the specific PointSymbolizer
            pointS = pointSymbolizer;
        // Create the Style2D object for painting with the use of a
        // DummyFeature wich extends SimpleFeatures
        // because Geotools can only work with that
        DummyFeature dummy = new DummyFeature();
        Style2D style2d = styleFactory.createStyle(dummy, pointS, range);
        // create the area object of the painted image for further use
        area = getArea(point, style2d, lites);
        // actually paint
        ssp.paint(g, lites, style2d, 1);
        // graphic)
        if (context.isSelected() && style2d instanceof GraphicStyle2D) {
            GraphicStyle2D gs2d = (GraphicStyle2D) style2d;
            // get minX and minY for the drawn rectangle arround the image
            int minX = (int) point.getX() - gs2d.getImage().getWidth() / 2;
            int minY = (int) point.getY() - gs2d.getImage().getHeight() / 2;
            // apply the specification of the selection rectangle
            applyFill(g, context);
            applyStroke(g, context);
            // draw the selection rectangle
            g.drawRect(minX - 1, minY - 1, gs2d.getImage().getWidth() + 1, gs2d.getImage().getHeight() + 1);
        }
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
    return area;
}