Examples of org.geotools.styling.Graphic

org.geotools.styling.Graphic
l.opengeospatial.org/files/?artifact_id=1188"> OGC Styled-Layer Descriptor Report (OGC 02-070) version 1.0.0.:
```
 <xsd:element name="Graphic"> <xsd:annotation> <xsd:documentation> A "Graphic" specifies or refers to a "graphic symbol" with inherent shape, size, and coloring. </xsd:documentation> </xsd:annotation> <xsd:complexType> <xsd:sequence> <xsd:choice minOccurs="0" maxOccurs="unbounded"> <xsd:element ref="sld:ExternalGraphic"/> <xsd:element ref="sld:Mark"/> </xsd:choice> <xsd:sequence> <xsd:element ref="sld:Opacity" minOccurs="0"/> <xsd:element ref="sld:Size" minOccurs="0"/> <xsd:element ref="sld:Rotation" minOccurs="0"/> </xsd:sequence> </xsd:sequence> </xsd:complexType> </xsd:element> 
```
Renderers can ue this information when displaying styled features, though it must be remembered that not all renderers will be able to fully represent strokes as set out by this interface. For example, opacity may not be supported.

Notes:
- The graphical parameters and their values are derived from SVG/CSS2 standards with names and semantics which are as close as possible.
@task REVISIT: There are no setter methods in this interface, is this aproblem? @source $URL$

     */
    public Object parse(ElementInstance instance, Node node, Object value)
        throws Exception {
        Expression color = null;
        Expression opacity = null;
        Graphic graphicFill = null;


        graphicFill = (Graphic) node.getChildValue("GraphicFill");


        //&quot;fill&quot; (color) 
        //&quot;fill-opacity&quot;

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        //&lt;xsd:choice minOccurs="0"&gt;
        //   &lt;xsd:element ref="sld:GraphicFill"/&gt;
        //   &lt;xsd:element ref="sld:GraphicStroke"/&gt;
        //&lt;/xsd:choice&gt;
        Graphic graphicFill = (Graphic) node.getChildValue("GraphicFill");
        Graphic graphicStroke = (Graphic) node.getChildValue("GraphicStroke");


        return styleFactory.createStroke(color, width, opacity, lineJoin, lineCap, dash,
            dashOffset, graphicFill, graphicStroke);
    }

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    public void testParseGraphicFill() throws Exception {
        StyledLayerDescriptor sld = (StyledLayerDescriptor) parse("../graphicFill.xml");
        NamedLayer layer = (NamedLayer) sld.getStyledLayers()[0];
        PolygonSymbolizer ps = (PolygonSymbolizer) layer.getStyles()[0].featureTypeStyles().get(0).rules().get(0).symbolizers().get(0);
        Graphic graphicFill = ps.getFill().getGraphicFill();
        assertNotNull(graphicFill);
        ExternalGraphic eg = (ExternalGraphic) graphicFill.graphicalSymbols().get(0);
        assertEquals(new URI("http://maps.google.com/mapfiles/kml/pal2/icon4.png"), eg.getOnlineResource().getLinkage());
        
    }

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    }


    public void test() throws Exception {
        SLDMockData.graphicFill(document, document);


        Graphic graphic = (Graphic) parse();
        assertNotNull(graphic);
    }

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        return SE.Graphic;
    }


    @Override
    public Object parse(ElementInstance instance, Node node, Object value) throws Exception {
        Graphic g = (Graphic) super.parse(instance, node, value);
        if (node.hasChild(AnchorPoint.class)) {
            g.setAnchorPoint((AnchorPoint)node.getChildValue(AnchorPoint.class));
        }
        if (node.hasChild(Displacement.class)) {
            g.setDisplacement((Displacement)node.getChildValue(Displacement.class));
        }
        return g;
    }

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     * Create a default point style.
     * 
     * @return the created style.
     */
    public static Style createPointStyle() {
        Graphic gr = styleFactory.createDefaultGraphic();


        Mark mark = styleFactory.getCircleMark();


        mark.setStroke(styleFactory.createStroke(filterFactory.literal(Color.BLUE), filterFactory.literal(1)));


        mark.setFill(styleFactory.createFill(filterFactory.literal(Color.CYAN)));


        gr.graphicalSymbols().clear();
        gr.graphicalSymbols().add(mark);
        gr.setSize(filterFactory.literal(5));


        /*
         * Setting the geometryPropertyName arg to null signals that we want to
         * draw the default geomettry of features
         */

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         * @param hints
         * @throws OperationNotSupportedException
         */
        public Object getValue( Element element, ElementValue[] value, Attributes attrs1, Map hints )
                throws OperationNotSupportedException {
          Graphic symbol = StyleFactoryFinder.createStyleFactory().getDefaultGraphic();


            for (int i = 0; i < value.length; i++) {
                if ((value[i] == null) || value[i].getElement() == null) {
                    continue;
                }


                Element e = value[i].getElement();
                if(elems[EXTERNALGRAPHIC].getName().equals(e.getName()))
                    symbol.addExternalGraphic((ExternalGraphic)value[i].getValue());


                if(elems[MARK].getName().equals(e.getName()))
                    symbol.addMark((Mark)value[i].getValue());


                if(elems[OPACITY].getName().equals(e.getName()))
                    symbol.setOpacity((Expression)value[i].getValue());


                if(elems[SIZE].getName().equals(e.getName()))
                    symbol.setSize((Expression)value[i].getValue());


                if(elems[ROTATION].getName().equals(e.getName()))
                    symbol.setRotation((Expression)value[i].getValue());
            }
            
            return symbol;
        }

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        protected void processSymbolizer(SimpleFeature ft, Rule rule,Symbolizer symbolizer) throws IOException{
          super.processSymbolizer(ft, rule,symbolizer);
          if(symbolizer instanceof PointSymbolizer) {
            Mark mark=SLD.mark((PointSymbolizer)symbolizer);
            Graphic graphic=SLD.graphic((PointSymbolizer)symbolizer);
            if(graphic!=null && mark!=null) {
              Object oSize=graphic.getSize().evaluate(null);
              if(oSize!=null)
                size=Double.parseDouble(oSize.toString());
              asCircle=SLD.wellKnownName(mark).toLowerCase().equals("circle");
              if(!asCircle)
                symbol=SLD.wellKnownName(mark).toLowerCase();

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    private static Style createPointStyle(Color strokeColor, Color fillColor) {
        Mark mark = styleFactory.getCircleMark();
        mark.setStroke(styleFactory.createStroke(filterFactory.literal(strokeColor), filterFactory.literal(2)));
        mark.setFill(styleFactory.createFill(filterFactory.literal(fillColor)));


        Graphic gr = styleFactory.createDefaultGraphic();
        gr.graphicalSymbols().clear();
        gr.graphicalSymbols().add(mark);
        gr.setSize(filterFactory.literal(5));


        /*
         * Setting the geometryPropertyName arg to null signals that we want to
         * draw the default geomettry of features
         */

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        public IconProperties isExternalGraphic(MiniRule rule) {
            if (rule.symbolizers.size() != 1) {
                return null;
            }
            Graphic g = rule.symbolizers.get(0).getGraphic();
            if (g == null) {
                return null;
            }
            if (g.graphicalSymbols().size() != 1) {
                return null;
            }
            GraphicalSymbol gSym = g.graphicalSymbols().get(0);
            if (! (gSym instanceof ExternalGraphic)) {
                return null;
            }
            ExternalGraphic exGraphic = (ExternalGraphic) gSym;
            try {
                Double opacity = g.getOpacity().evaluate(feature, Double.class);
                Double size = 1d*Icons.getExternalSize(exGraphic, feature);
                if (size != null) size = size / Icons.DEFAULT_SYMBOL_SIZE;
                Double rotation = g.getRotation().evaluate(feature, Double.class);
                Expression urlExpression = ExpressionExtractor.extractCqlExpressions(exGraphic.getLocation().toExternalForm());
                return IconProperties.externalReference(opacity, size, rotation, urlExpression.evaluate(feature, String.class));
            } catch (MalformedURLException e) {
                throw new RuntimeException(e);
            }

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org.geoserver.kml.icons.IconPropertiesTest

org.geoserver.kml.icons.IconPropertyExtractor$FeatureProperties

org.geoserver.kml.icons.IconPropertyInjector

org.geoserver.kml.icons.IconPropertyInjectorTest

org.geoserver.kml.icons.IconRenderer

org.geoserver.kml.icons.IconTestSupport

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org.geotools.brewer.color.StyleGenerator

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