Examples with PointSymbolizer org.geotools.styling.PointSymbolizer used on opensource projects

Example 36 with PointSymbolizer

use of org.geotools.styling.PointSymbolizer in project hale by halestudio.

the class DefinitionImages method getLegendImage.

/**
 * Get a legend image for a given type definition
 *
 * @param type the type definition
 * @param dataSet the data set the type definition belongs to
 * @param definedOnly if only for defined styles a image shall be created
 * @return the legend image or <code>null</code>
 */
protected BufferedImage getLegendImage(TypeDefinition type, DataSet dataSet, boolean definedOnly) {
    StyleService ss = PlatformUI.getWorkbench().getService(StyleService.class);
    Style style = (definedOnly) ? (ss.getDefinedStyle(type)) : (ss.getStyle(type, dataSet));
    if (style == null) {
        return null;
    }
    // create a dummy feature based on the style
    Drawer d = Drawer.create();
    SimpleFeature feature = null;
    Symbolizer[] symbolizers = SLD.symbolizers(style);
    if (symbolizers.length > 0) {
        Symbolizer symbolizer = symbolizers[0];
        if (symbolizer instanceof LineSymbolizer) {
            feature = d.feature(d.line(LINE_POINTS));
        } else if (symbolizer instanceof PointSymbolizer) {
            feature = d.feature(d.point(WIDTH / 2, HEIGHT / 2));
        }
        if (symbolizer instanceof PolygonSymbolizer) {
            feature = d.feature(d.polygon(POLY_POINTS));
        }
    }
    if (feature != null) {
        BufferedImage image = new BufferedImage(WIDTH, HEIGHT, BufferedImage.TYPE_INT_ARGB);
        // GraphicsEnvironment.getLocalGraphicsEnvironment().
        // getDefaultScreenDevice().getDefaultConfiguration().createCompatibleImage(WIDTH, HEIGHT,
        // Transparency.TRANSLUCENT);
        // use white background to have a neutral color even if selected
        Color bg = Color.WHITE;
        Graphics2D g = image.createGraphics();
        try {
            g.setColor(bg);
            g.fillRect(0, 0, WIDTH, HEIGHT);
        } finally {
            g.dispose();
        }
        d.drawDirect(image, feature, style);
        return image;
    }
    return null;
}

Example 37 with PointSymbolizer

use of org.geotools.styling.PointSymbolizer in project hale by halestudio.

the class SimplePointStylePage method createControl.

/**
 * @see IDialogPage#createControl(Composite)
 */
@Override
public void createControl(Composite parent) {
    // create new controls
    Composite page = new Composite(parent, SWT.NONE);
    RowLayout layout = new RowLayout(SWT.HORIZONTAL);
    page.setLayout(layout);
    Style style = getParent().getStyle();
    PointSymbolizer point = null;
    try {
        Symbolizer[] symbolizers = SLD.symbolizers(style);
        for (Symbolizer symbol : symbolizers) {
            if (symbol instanceof LineSymbolizer) {
                point = (PointSymbolizer) symbol;
                break;
            }
        }
    } catch (Exception e) {
    // ignore
    }
    if (point == null) {
        point = styleBuilder.createPointSymbolizer();
    }
    pointEditor = new PointSymbolizerEditor(page, point);
    setControl(page);
}

Example 38 with PointSymbolizer

use of org.geotools.styling.PointSymbolizer in project hale by halestudio.

the class StyleServiceImpl method getSelectionSymbolizers.

/**
 * Get the symbolizers representing the given symbolizer for a selection
 *
 * @param symbolizer the symbolizer
 *
 * @return the selection symbolizers
 */
private List<Symbolizer> getSelectionSymbolizers(Symbolizer symbolizer) {
    List<Symbolizer> result = new ArrayList<Symbolizer>();
    Color color = StylePreferences.getSelectionColor();
    int width = StylePreferences.getSelectionWidth();
    if (symbolizer instanceof PolygonSymbolizer) {
        result.add(StyleHelper.createPolygonSymbolizer(color, width));
    } else if (symbolizer instanceof LineSymbolizer) {
        result.add(StyleHelper.createLineSymbolizer(color, width));
    } else if (symbolizer instanceof PointSymbolizer) {
        result.add(StyleHelper.mutatePointSymbolizer((PointSymbolizer) symbolizer, color, width));
    // result.add(createPointSymbolizer(color, width));
    } else {
    // do not fall-back to original symbolizer cause we are painting
    // over it
    // result.add(symbolizer);
    }
    return result;
}

Example 39 with PointSymbolizer

use of org.geotools.styling.PointSymbolizer in project hale by halestudio.

the class StyledInstanceMarker method strokeStyle.

/**
 * retrieves the stroke for the map marker
 *
 * @param rule a certain rule to apply, maybe null
 * @param context the InstanceWayPoint, wich gets marked
 */
private synchronized void strokeStyle(Rule rule, InstanceWaypoint context) {
    // retrieve stroke
    Stroke stroke = null;
    for (int i = 0; rule != null && stroke == null && i < rule.getSymbolizers().length; i++) {
        if (rule.getSymbolizers()[i] instanceof LineSymbolizer) {
            stroke = SLD.stroke((LineSymbolizer) rule.getSymbolizers()[i]);
        } else if (rule.getSymbolizers()[i] instanceof PolygonSymbolizer) {
            stroke = SLD.stroke((PolygonSymbolizer) rule.getSymbolizers()[i]);
        } else if (rule.getSymbolizers()[i] instanceof PointSymbolizer) {
            stroke = SLD.stroke((PointSymbolizer) rule.getSymbolizers()[i]);
        }
    }
    // if we have a stroke now
    if (stroke != null) {
        // XXX is there any Geotools stroke to AWT stroke lib/code
        // somewhere?!
        // XXX have a look at the renderer code (StreamingRenderer)
        // stroke color
        Color sldColor = SLD.color(stroke);
        double opacity = SLD.opacity(stroke);
        if (Double.isNaN(opacity)) {
            // fall back to default opacity
            opacity = StyleHelper.DEFAULT_FILL_OPACITY;
        }
        if (sldColor != null) {
            styleStrokeColor = new Color(sldColor.getRed(), sldColor.getGreen(), sldColor.getBlue(), (int) (opacity * 255));
        } else {
            styleStrokeColor = super.getBorderColor(context);
        }
        // stroke width
        int strokeWidth = SLD.width(stroke);
        if (strokeWidth == SLD.NOTFOUND) {
            // fall back to default width
            strokeWidth = StylePreferences.getDefaultWidth();
        }
        styleStroke = new BasicStroke(strokeWidth);
    } else {
        styleStroke = null;
        styleStrokeColor = null;
    }
}

Example 40 with PointSymbolizer

use of org.geotools.styling.PointSymbolizer in project sldeditor by robward-scisys.

the class SLDUtilsTest method testCreateSLDFromStringGeoServer.

@Test
public void testCreateSLDFromStringGeoServer() {
    SLDData sldData = new SLDData(null, expectedSld);
    String geoserverUrl = "http://localhost:8080/geoserver";
    GeoServerConnection connectionData = new GeoServerConnection();
    try {
        connectionData.setUrl(new URL(geoserverUrl));
    } catch (MalformedURLException e) {
        e.printStackTrace();
    }
    sldData.setConnectionData(connectionData);
    StyledLayerDescriptor sld = SLDUtils.createSLDFromString(null);
    assertNull(sld);
    sld = SLDUtils.createSLDFromString(sldData);
    StyledLayer[] styledLayers = sld.getStyledLayers();
    NamedLayer namedLayer = (NamedLayer) styledLayers[0];
    Style[] actualStyles = namedLayer.getStyles();
    PointSymbolizer pointSymbolizer = (PointSymbolizer) actualStyles[0].featureTypeStyles().get(0).rules().get(0).symbolizers().get(0);
    MarkImpl mark = (MarkImpl) pointSymbolizer.getGraphic().graphicalSymbols().get(0);
    assertEquals("circle", mark.getWellKnownName().toString());
    // Check resource locator
    geoserverUrl = geoserverUrl + "/styles/";
    assertTrue(geoserverUrl.compareTo(sldData.getResourceLocator().toExternalForm()) == 0);
}