Examples of org.geotools.styling.Fill

org.geotools.styling.Fill
l.opengeospatial.org/files/?artifact_id=1188"> OGC Styled-Layer Descriptor Report (OGC 02-070) version 1.0.0.:
```
 <xsd:element name="Fill"> <xsd:annotation> <xsd:documentation> A "Fill" specifies the pattern for filling an area geometry. The allowed CssParameters are: "fill" (color) and "fill-opacity". </xsd:documentation> </xsd:annotation> <xsd:complexType> <xsd:sequence> <xsd:element ref="sld:GraphicFill" minOccurs="0"/> <xsd:element ref="sld:CssParameter" minOccurs="0" maxOccurs="unbounded"/> </xsd:sequence> </xsd:complexType> </xsd:element> 
```
Renderers can use 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.
@author James Macgill, CCG @source $URL$ @version $Id$

        SimpleFeatureType schema = featureCollection.getSchema();
        geometryName.setInput(schema);
        String name = DEFAULT_GEOMETRY;


        Stroke stroke = null;
        Fill fill = null;
        Graphic graphic = null;
        TextSymbolizer text = null;
        LabelPlacement placement = null;


        List<Rule> rules = Collections.emptyList();

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        assertEquals("MyPolygonSymbolizer", sym.getName());
        assertEquals("Example PolygonSymbolizer", sym.getDescription().getTitle().toString());
        assertEquals("This is just a simple example of a polygon symbolizer.", 
                sym.getDescription().getAbstract().toString());
        
        Fill f = sym.getFill();
        Color c = f.getColor().evaluate(null, Color.class);
        assertEquals(170, c.getRed());
        assertEquals(170, c.getGreen());
        assertEquals(255, c.getBlue());
        
        c = sym.getStroke().getColor().evaluate(null, Color.class);

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        assertEquals("Arial", f.getFamily().get(0).evaluate(null, String.class));
        assertEquals("Sans-Serif", f.getFamily().get(1).evaluate(null, String.class));
        assertEquals("italic", f.getStyle().evaluate(null, String.class));
        assertEquals("10", f.getSize().evaluate(null, String.class));
        
        Fill fill = sym.getFill();
        assertEquals(Color.BLACK, fill.getColor().evaluate(null, Color.class));
    }

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            if ("fill-opacity".equals(param.getName())) {
                opacity = param.getExpression();
            }
        }


        Fill fill = styleFactory.createFill(color);


        if (opacity != null) {
            fill.setOpacity(opacity);
        }
        if(graphicFill != null) {
            fill.setGraphicFill(graphicFill);
        }


        return fill;
    }

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    }


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


        Fill fill = (Fill) parse();
        assertNotNull(fill);
        assertEquals(org.geotools.styling.SLD.opacity(fill), 1, 0d);


        Color c = org.geotools.styling.SLD.color(fill.getColor());
        assertEquals(c.getRed(), integer("12"));
        assertEquals(c.getGreen(), integer("34"));
        assertEquals(c.getBlue(), integer("56"));
    }

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     * @generated modifiable
     */
    public Object parse(ElementInstance instance, Node node, Object value)
        throws Exception {
        // get the children and apply the defaults in case they are missing
        Fill fill = (Fill) node.getChildValue("Fill");
        if(fill == null) {
            fill = styleFactory.createFill(filterFactory.literal("#FFFFFF"));   
        }
        Expression radius = (Expression) node.getChildValue("Radius");
        if(radius == null) {

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     */
    public Object parse(ElementInstance instance, Node node, Object value)
        throws Exception {
        String wkName = (String) node.getChildValue("WellKnownName");
        Stroke stroke = (Stroke) node.getChildValue("Stroke");
        Fill fill = (Fill) node.getChildValue("Fill");


        Mark mark = styleFactory.createMark();


        if (wkName != null) {
            mark.setWellKnownName(filterFactory.literal(wkName));

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        Stroke stroke = sb.createStroke();
        stroke.setColor(null);
        stroke.setGraphicStroke(sb.createGraphic(null, sb.createMark("square", null, sb.createStroke(1)), null));
        
        // a graphic fill
        Fill fill = sb.createFill();
        fill.setColor(null);
        fill.setGraphicFill(sb.createGraphic(null, sb.createMark("square", null, sb.createStroke(2)), null));
        
        // a polygon and line symbolizer using them
        PolygonSymbolizer ps = sb.createPolygonSymbolizer(stroke, fill);
        
        // rescale it

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        String fontName = this.font[0].getName();
        boolean fontBold = (this.font[0].getStyle() == SWT.BOLD);
        boolean fontItalic = (this.font[0].getStyle() == SWT.ITALIC);
        double fontSize = this.font[0].getHeight();
        Font gtFont = build.createFont(fontName, fontItalic, fontBold, fontSize);
        Fill fill = build.createFill(this.colour);


        LabelPlacement placement;
        if (pointPlacement) {
            // PointPlacement
            double horiz;

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        // create a partially opaque outline stroke
        Stroke stroke = styleFactory.createStroke(filterFactory.literal(Color.BLUE), filterFactory.literal(1),
                filterFactory.literal(0.5));


        // create a partial opaque fill
        Fill fill = styleFactory.createFill(filterFactory.literal(Color.CYAN), filterFactory.literal(0.5));


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

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