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 $Id$

    public void testRescaleGraphicPointSymbolizer() {
        // create a graphic that needs rescaling
        StyleBuilder sb = new StyleBuilder();
        
        // create a circle
        Mark circle = sb.createMark("circle", null, sb.createStroke(500));
        Graphic g = sb.createGraphic(null, circle, null);
        
        // a point symbolizer with the specified circle
        PointSymbolizer ps = sb.createPointSymbolizer(g);
        
        // first see it in feet
        ps.setUnitOfMeasure(NonSI.FOOT);
        
        // rescale it
        UomRescaleStyleVisitor visitor = new UomRescaleStyleVisitor(10);
        ps.accept(visitor);
        PointSymbolizer rps = (PointSymbolizer) visitor.getCopy();
        Mark rm = (Mark) rps.getGraphic().graphicalSymbols().get(0);
        assertEquals(1524.0, rm.getStroke().getWidth().evaluate(null, Double.class), 0d);
        
        // now let's see the same in meters
        ps.setUnitOfMeasure(SI.METER);
        
        // rescale it
        visitor = new UomRescaleStyleVisitor(10);
        ps.accept(visitor);
        rps = (PointSymbolizer) visitor.getCopy();
        rm = (Mark) rps.getGraphic().graphicalSymbols().get(0);
        assertEquals(5000.0, rm.getStroke().getWidth().evaluate(null, Double.class), 0d);
    }

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


        assertEquals(graphic.getMarks().length, 1);


        Mark mark = graphic.getMarks()[0];


        Color c = org.geotools.styling.SLD.color(mark.getFill().getColor());
        assertEquals(Integer.parseInt("12", 16), c.getRed());
        assertEquals(Integer.parseInt("34", 16), c.getGreen());
        assertEquals(Integer.parseInt("56", 16), c.getBlue());


        assertEquals(1, Filters.asInt(graphic.getSize()));

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        Graphic g = sym.getGraphic();
        assertEquals(8.0, g.getSize().evaluate(null, Double.class));
        assertEquals(1, g.getMarks().length);
        
        Mark m = g.getMarks()[0];
        assertEquals("star", m.getWellKnownName().evaluate(null, String.class));
        Color c = m.getFill().getColor().evaluate(null, Color.class);
        assertEquals(255, c.getRed());
    }

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        Graphic g = sym.getGraphic();
        assertEquals(15.0, g.getSize().evaluate(null, Double.class));
        assertEquals(1, g.graphicalSymbols().size());


        Mark mark = (Mark) g.graphicalSymbols().get(0);
        ExternalMark em = mark.getExternalMark();
        assertNotNull(em);
        assertEquals("image/png", em.getFormat());
        assertImagesEqual(referenceImage, em.getInlineContent());
        assertNull(em.getOnlineResource());
    }

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    }


    public void testWithoutStroke() throws Exception {
        SLDMockData.mark(document, document);


        Mark mark = (Mark) parse();
        assertNotNull(mark);


        assertNotNull(mark.getFill());


        Color c = org.geotools.styling.SLD.color(mark.getFill().getColor());


        assertEquals(Integer.parseInt("12", 16), c.getRed());
        assertEquals(Integer.parseInt("34", 16), c.getGreen());
        assertEquals(Integer.parseInt("56", 16), c.getBlue());


        assertNotNull(mark.getWellKnownName());
        assertEquals(Filters.asString(mark.getWellKnownName()), "wellKnownName");
    }

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        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));
        }


        if (stroke != null) {
            mark.setStroke(stroke);
        }


        if (fill != null) {
            mark.setFill(fill);
        }


        return mark;
    }

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     * <!-- begin-user-doc --> <!-- end-user-doc -->
     * 
     * @generated modifiable
     */
    public Object parse(ElementInstance instance, Node node, Object value) throws Exception {
        Mark mark = (Mark) super.parse(instance, node, value);
        
        if (node.getChildValue("WellKnownName") == null) {
            String format = (String) node.getChildValue("Format");
            int markIndex = -1;
            
            if (node.hasChild("MarkIndex")) {
                markIndex = (Integer) node.getChildValue("MarkIndex");
            }
            
            ExternalMark emark = null;
            
            if (node.hasChild("OnlineResource")) {
                emark = styleFactory.externalMark(
                    new OnLineResourceImpl((URI)node.getChildValue("OnlineResource")), format, markIndex);
            }
            else if (node.hasChild("InlineContent")) {
                Icon ic = (Icon) node.getChildValue("InlineContent");
                emark = styleFactory.externalMark(ic);
                emark.setFormat((String) node.getChildValue("Format"));
            }
            
            mark.setExternalMark(emark);
        }


        return mark;
    }

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        PolygonSymbolizer ps = sb.createPolygonSymbolizer(stroke, fill);
        
        // rescale it
        ps.accept(visitor);
        PolygonSymbolizer rps = (PolygonSymbolizer) visitor.getCopy();
        Mark rm = (Mark) rps.getStroke().getGraphicStroke().graphicalSymbols().get(0);
        assertEquals(2.0, rm.getStroke().getWidth().evaluate(null, Double.class), 0d);
        rm = (Mark) rps.getFill().getGraphicFill().graphicalSymbols().get(0);
        assertEquals(4.0, rm.getStroke().getWidth().evaluate(null, Double.class), 0d);


        
        // a line symbolizer that uses a graphic stroke
        LineSymbolizer ls = sb.createLineSymbolizer(stroke);
        
        // rescale it
        ls.accept(visitor);
        LineSymbolizer lps = (LineSymbolizer) visitor.getCopy();
        rm = (Mark) lps.getStroke().getGraphicStroke().graphicalSymbols().get(0);
        assertEquals(2.0, rm.getStroke().getWidth().evaluate(null, Double.class), 0d);
    }

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     * @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));

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            return null;
        }


        for( GraphicalSymbol gs : graphic.graphicalSymbols() ) {
            if ((gs != null) && (gs instanceof Mark)) {
                Mark mark = (Mark) gs;
                Fill fill = mark.getFill();
                if (fill != null) {
                    Color colour = color(fill.getColor());
                    if (colour == null) {
                        return null;
                    }

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