Examples of org.geotools.styling.LineSymbolizer

org.geotools.styling.LineSymbolizer
l.opengeospatial.org/files/?artifact_id=1188"> OGC Styled-Layer Descriptor Report (OGC 02-070) version 1.0.0.:
```
 <xsd:element name="LineSymbolizer" substitutionGroup="sld:Symbolizer"> <xsd:annotation> <xsd:documentation> A LineSymbolizer is used to render a "stroke" along a linear geometry. </xsd:documentation> </xsd:annotation> <xsd:complexType> <xsd:complexContent> <xsd:extension base="sld:SymbolizerType"> <xsd:sequence> <xsd:element ref="sld:Geometry" minOccurs="0"/> <xsd:element ref="sld:Stroke" minOccurs="0"/> </xsd:sequence> </xsd:extension> </xsd:complexContent> </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 $Id$

        helper.setVersion(Versions.TWO);
        JSONObject json = new JSONObject();
        json.put(JsonStyleParserHelper.JSON_STROKE_DASHSTYLE, "5 4");


        PJsonObject pJson = new PJsonObject(json, "symbolizers");
        final LineSymbolizer lineSymbolizer = this.helper.createLineSymbolizer(pJson);
        assertNotNull(lineSymbolizer);


        final Stroke stroke = lineSymbolizer.getStroke();
        assertArrayEquals(Arrays.toString(stroke.getDashArray()), new float[]{5f, 4f}, stroke.getDashArray(), FLOAT_DELTA);
    }

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        String jsonString = Files.toString(getFile("v2-style-all-properies-as-expressions.json"), Constants.DEFAULT_CHARSET);
        PJsonObject json = MapPrinter.parseSpec(jsonString).getJSONObject("*");


        final PJsonArray symb = json.getJSONArray(MapfishJsonStyleVersion2.JSON_SYMB);
        final PointSymbolizer pointSymbolizer = this.helper.createPointSymbolizer(symb.getJSONObject(0));
        final LineSymbolizer lineSymbolizer = this.helper.createLineSymbolizer(symb.getJSONObject(1));
        final PolygonSymbolizer polygonSymbolizer = this.helper.createPolygonSymbolizer(symb.getJSONObject(2));
        final TextSymbolizer textSymbolizer = this.helper.createTextSymbolizer(symb.getJSONObject(3));


        final Graphic graphic = pointSymbolizer.getGraphic();
        assertEquals("rotation", propertyName(graphic.getRotation()));
        assertEquals("graphicOpacity", propertyName(graphic.getOpacity()));
        assertEquals("pointRadius", propertyName(graphic.getSize()));


        Mark mark = (Mark) graphic.graphicalSymbols().get(0);
        assertEquals("graphicName", propertyName(mark.getWellKnownName()));


        assertEquals("fillOpacity", propertyName(mark.getFill().getOpacity()));
        assertEquals("fillColor", propertyName(mark.getFill().getColor()));


        assertEquals("strokeColor", propertyName(mark.getStroke().getColor()));
        assertEquals("strokeOpacity", propertyName(mark.getStroke().getOpacity()));
        assertEquals("strokeWidth", propertyName(mark.getStroke().getWidth()));
        assertEquals("strokeLinecap", propertyName(mark.getStroke().getLineCap()));


        assertEquals("lineStrokeColor", propertyName(lineSymbolizer.getStroke().getColor()));
        assertEquals("lineStrokeOpacity", propertyName(lineSymbolizer.getStroke().getOpacity()));
        assertEquals("lineStrokeWidth", propertyName(lineSymbolizer.getStroke().getWidth()));
        assertEquals("lineStrokeLinecap", propertyName(lineSymbolizer.getStroke().getLineCap()));


        assertEquals("PolyStrokeColor", propertyName(polygonSymbolizer.getStroke().getColor()));
        assertEquals("PolyStrokeOpacity", propertyName(polygonSymbolizer.getStroke().getOpacity()));
        assertEquals("PolyStrokeWidth", propertyName(polygonSymbolizer.getStroke().getWidth()));
        assertEquals("PolyStrokeLinecap", propertyName(polygonSymbolizer.getStroke().getLineCap()));

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    }
    
    @Test
    public void testNullStroke() throws Exception {
        StyleBuilder sb = new StyleBuilder();
        LineSymbolizer ls = sb.createLineSymbolizer(Stroke.NULL);
        Style style = sb.createStyle(ls);
        
        MetaBufferEstimator estimator = new MetaBufferEstimator();
        style.accept(estimator);
        assertTrue(estimator.isEstimateAccurate());

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                g.draw( shape );
            }
        }
        if( symb instanceof LineSymbolizer){
            LineSymbolizer lineSymbolizer = (LineSymbolizer) symb;
            Color c = SLD.color( lineSymbolizer );
            int w = SLD.width( lineSymbolizer );
            if( c != null && w > 0 ){
                g.setColor( c );

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        String xml = "<LineStyle>" + "<color>ffff0000</color>" + "<width>2</width>"
            + "</LineStyle>";


        buildDocument(xml);


        LineSymbolizer line = (LineSymbolizer) parse();
        assertEquals(Color.RED, SLD.color(line));
        assertEquals(2, SLD.width(line));


        xml = "<LineStyle>" + "</LineStyle>";
        buildDocument(xml);

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            PointSymbolizer ps = (PointSymbolizer) sym;
            ps.accept(this);
        }


        if (sym instanceof LineSymbolizer) {
            LineSymbolizer ps = (LineSymbolizer) sym;
            ps.accept(this);
        }


        if (sym instanceof PolygonSymbolizer) {
            PolygonSymbolizer ps = (PolygonSymbolizer) sym;
            ps.accept(this);
        }


        if (sym instanceof RasterSymbolizer) {
            RasterSymbolizer rs = (RasterSymbolizer) sym;
            rs.accept(this);

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        assertEquals(1, collector.featureTypeStyles.size());
        assertEquals(1, collector.rules.size());
        assertEquals(2, collector.symbolizers.size());


        // check the line
        LineSymbolizer ls = (LineSymbolizer) collector.symbolizers.get(0);
        assertEquals(1, (int) ls.getStroke().getWidth().evaluate(null, Integer.class));
        assertEquals(Color.BLUE, (Color) ls.getStroke().getColor().evaluate(null, Color.class));
        assertTrue(Arrays.equals(new float[] { 10, 10 }, ls.getStroke().getDashArray()));


        // check the dots
        ls = (LineSymbolizer) collector.symbolizers.get(1);
        assertTrue(Arrays.equals(new float[] { 5, 15 }, ls.getStroke().getDashArray()));
        assertEquals(7.5, ls.getStroke().getDashOffset().evaluate(null, Double.class), 0.0);
        Graphic graphic = ls.getStroke().getGraphicStroke();
        List<GraphicalSymbol> symbols = graphic.graphicalSymbols();
        assertEquals(1, symbols.size());
        Mark mark = (Mark) symbols.get(0);
        assertEquals("circle", mark.getWellKnownName().evaluate(null));
        assertEquals("#000033", mark.getStroke().getColor().evaluate(null, String.class));

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                .get(1).getFilter());
        assertEquals(ff.equals(ff.property("type"), ff.literal("highway")), collector.rules.get(2)
                .getFilter());


        // check symbolizers
        LineSymbolizer ls = (LineSymbolizer) collector.symbolizers.get(0);
        assertEquals(2, (int) ls.getStroke().getWidth().evaluate(null, Integer.class));
        assertEquals("#009933", ls.getStroke().getColor().evaluate(null, String.class));
        ls = (LineSymbolizer) collector.symbolizers.get(1);
        assertEquals(3, (int) ls.getStroke().getWidth().evaluate(null, Integer.class));
        assertEquals("#0055CC", ls.getStroke().getColor().evaluate(null, String.class));
        ls = (LineSymbolizer) collector.symbolizers.get(2);
        assertEquals(6, (int) ls.getStroke().getWidth().evaluate(null, Integer.class));
        assertEquals("#FF0000", ls.getStroke().getColor().evaluate(null, String.class));
    }

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        StyleCollector collector = new StyleCollector();
        style.accept(collector);
        assertSimpleStyle(collector);


        // check the function is there were we expect it
        LineSymbolizer ls = (LineSymbolizer) collector.symbolizers.get(0);
        assertTrue(ls.getStroke().getColor() instanceof RecodeFunction);
        assertTrue(ls.getStroke().getWidth() instanceof RecodeFunction);
    }

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            double maxDenominator, int size) {
        assertEquals(name, rule.getName());
        assertEquals(minDenominator, rule.getMinScaleDenominator(), 0.0);
        assertEquals(maxDenominator, rule.getMaxScaleDenominator(), 0.0);
        assertEquals(1, rule.getSymbolizers().length);
        LineSymbolizer ls = (LineSymbolizer) rule.getSymbolizers()[0];
        assertEquals(size, (int) ls.getStroke().getWidth().evaluate(null, Integer.class));
    }

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