Examples of org.geotools.styling.Mark

org.geotools.styling.Mark
l.opengeospatial.org/files/?artifact_id=1188"> OGC Styled-Layer Descriptor Report (OGC 02-070) version 1.0.0.:
```
 <xsd:element name="Mark"> <xsd:annotation> <xsd:documentation> A "Mark" specifies a geometric shape and applies coloring to it. </xsd:documentation> </xsd:annotation> <xsd:complexType> <xsd:sequence> <xsd:element ref="sld:WellKnownName" minOccurs="0"/> <xsd:element ref="sld:Fill" minOccurs="0"/> <xsd:element ref="sld:Stroke" minOccurs="0"/> </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 @source $URL$ @version $Id$

        // user
        double graphicSize = evalToDouble(gr.getSize(), feature, -1);


        // search for the first valid external graphic or mark
        Icon icon = null;
        Mark mark = null;
        Shape shape = null;
        for (GraphicalSymbol symbol : gr.graphicalSymbols()) {
            if(symbol instanceof ExternalGraphic) {
                ExternalGraphic eg = (ExternalGraphic) symbol;
                icon = getIcon(eg, feature, graphicSize);

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    // quickPointSymbolizer start
    // "testPoint" feature type style
    StyleBuilder sb = new StyleBuilder();
    FilterFactory2 ff = sb.getFilterFactory();
    
    Mark testMark = sb.createMark(sb.attributeExpression("name"), sb.createFill(Color.RED, 0.5),
            null);
    Graphic graph = sb.createGraphic(null, // An external graphics if needed
            new Mark[] { testMark }, // a Mark if not an external graphics
            null, // aSymbol
            ff.literal(1), // opacity

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    TextSymbolizer textSymbolizer = sb.createTextSymbolizer(sb.createFill(Color.BLACK), new Font[] {
            sb.createFont("Lucida Sans", 10), sb.createFont("Arial", 10) }, sb.createHalo(),
            sb.attributeExpression("name"), pointPlacement, null);
    
    // creation of the Point symbolizer
    Mark circle = sb.createMark(StyleBuilder.MARK_CIRCLE, Color.RED);
    Graphic graph2 = sb.createGraphic(null, circle, null, 1, 4, 0);
    PointSymbolizer pointSymbolizer = sb.createPointSymbolizer(graph2);
    
    // creation of the style
    Style style = sb.createStyle();

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    FilterFactory ff = sb.getFilterFactory();
    Style style = sb.createStyle();
    style.setName("MyStyle");
    
    // "testPoint" feature type style
    Mark testMark = sb.createMark(sb.attributeExpression("name"), sb.createFill(Color.RED, 0.5),
            null);
    Graphic graph = sb.createGraphic(null, new Mark[] { testMark }, null, sb.literalExpression(1),
            sb.attributeExpression("size"), sb.attributeExpression("rotation"));
    style.featureTypeStyles().add(
            sb.createFeatureTypeStyle("testPoint", sb.createPointSymbolizer(graph)));
    
    // "labelPoint" feature type style
    AnchorPoint anchorPoint = sb.createAnchorPoint(sb.attributeExpression("X"),
            sb.attributeExpression("Y"));
    PointPlacement pointPlacement = sb.createPointPlacement(anchorPoint, null,
            sb.literalExpression(0));
    TextSymbolizer textSymbolizer = sb.createTextSymbolizer(sb.createFill(Color.BLACK), new Font[] {
            sb.createFont("Lucida Sans", 10), sb.createFont("Arial", 10) }, sb.createHalo(),
            sb.attributeExpression("name"), pointPlacement, null);
    Mark circle = sb.createMark(StyleBuilder.MARK_CIRCLE, Color.RED);
    Graphic graph2 = sb.createGraphic(null, circle, null, 1, 4, 0);
    PointSymbolizer pointSymbolizer = sb.createPointSymbolizer(graph2);
    style.featureTypeStyles().add(
            sb.createFeatureTypeStyle("labelPoint", new Symbolizer[] { textSymbolizer,
                    pointSymbolizer }));

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            }


            if (graphic.graphicalSymbols() != null) {
                for (GraphicalSymbol gs : graphic.graphicalSymbols()) {
                    if (gs instanceof Mark) {
                        Mark mark = (Mark) gs;
                        rescaleStroke(mark.getStroke(), unit);
                        rescaleFill(mark.getFill(), unit);
                    }
                }
            }
        }
    }

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        }
        return copy;
    }
    
    public void visit(Mark mark) {
        Mark copy = null;


        copy = sf.createMark();
        copy.setFill(copy( mark.getFill() ));
        copy.setStroke(copy( mark.getStroke() ));
        copy.setWellKnownName(copy( mark.getWellKnownName() ));
        
        if( STRICT && !copy.equals( mark )){
            throw new IllegalStateException("Was unable to duplicate provided Mark:"+mark );
        }
        pages.push(copy);
    }

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     * @param build 
     * @return Graphic defined by this model
     */
    public Graphic getGraphic( Fill filll, Stroke stroke, StyleBuilder build ) {
        if (!this.enabled) {
            Mark mark = null;
            if (this.type == null) {
                build.createMark("square", null, null); //$NON-NLS-1$
            } else {
                mark = build.createMark(this.type, (Fill) null, (Stroke) null);
            }
            return build.createGraphic(null, mark, null);
        }
        Mark mark = build.createMark(this.type, filll, stroke);
        Graphic graphic = build.createGraphic(null, mark, null);
        graphic.setSize(build.literalExpression(this.width));
        return graphic;
    }

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        boolean marked = false;
        if (graphic != null && graphic.graphicalSymbols() != null && !graphic.graphicalSymbols().isEmpty()) {


            for( GraphicalSymbol symbol : graphic.graphicalSymbols() ) {
                if (symbol instanceof Mark) {
                    Mark mark = (Mark) symbol;
                    setMark(mark, mode);
                    marked = true;
                    break;
                }
            }

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        notEq2.setFormat("image/jpeg");
        assertEqualsContract(clone, notEq2, exGraphic);
    }


    public void testMark() {
        Mark mark = sf.getCircleMark();
        Mark clone = visitor.copy( mark);
        assertCopy(mark, clone);


        Mark notEq = sf.getStarMark();
        assertEqualsContract(clone, notEq, mark);
    }

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        // rescale it
        UomRescaleStyleVisitor visitor = new UomRescaleStyleVisitor(10);
        ps.accept(visitor);
        PolygonSymbolizer rps = (PolygonSymbolizer) visitor.getCopy();
        Mark rm = (Mark) rps.getStroke().getGraphicStroke().graphicalSymbols().get(0);
        assertEquals(10.0, rm.getStroke().getWidth().evaluate(null, Double.class), 0d);
        rm = (Mark) rps.getFill().getGraphicFill().graphicalSymbols().get(0);
        assertEquals(20.0, rm.getStroke().getWidth().evaluate(null, Double.class), 0d);


        
        // a line symbolizer that uses a graphic stroke
        LineSymbolizer ls = sb.createLineSymbolizer(stroke);
        ls.setUnitOfMeasure(SI.METER);
        
        // rescale it
        ls.accept(visitor);
        LineSymbolizer lps = (LineSymbolizer) visitor.getCopy();
        rm = (Mark) lps.getStroke().getGraphicStroke().graphicalSymbols().get(0);
        assertEquals(10.0, rm.getStroke().getWidth().evaluate(null, Double.class), 0d);
    }

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