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 $Id$

        if (arg0 instanceof PolygonSymbolizer) {
            PolygonSymbolizer ps = (PolygonSymbolizer) arg0;
            ps.accept(this);
        }
        if (arg0 instanceof LineSymbolizer) {
            LineSymbolizer ps = (LineSymbolizer) arg0;
            ps.accept(this);
        }
        if (arg0 instanceof TextSymbolizer) {
            TextSymbolizer ps = (TextSymbolizer) arg0;
            ps.accept(this);
        }
        if (arg0 instanceof RasterSymbolizer) {
            RasterSymbolizer ps = (RasterSymbolizer) arg0;
            ps.accept(this);
        }
    }

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            if (sym instanceof PolygonSymbolizer) {
                PolygonSymbolizer symb = (PolygonSymbolizer) sym;
                color = polyFill(symb);


            } else if (sym instanceof LineSymbolizer) {
                LineSymbolizer symb = (LineSymbolizer) sym;
                color = color(symb);


            } else if (sym instanceof PointSymbolizer) {
                PointSymbolizer symb = (PointSymbolizer) sym;
                color = pointFillWithAlpha(symb);

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        this.hasStroke = hasStroke;
        if (hasStroke) {
            checkStrokeExists();
        } else {
            stroke = null;
            LineSymbolizer lineSymbolizer = (LineSymbolizer) getSymbolizer();
            lineSymbolizer.setStroke(null);
        }
    }

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            }
            if (strokeWidth == null) {
                strokeWidth = DEFAULT_WIDTH;
            }
            stroke = sf.createStroke(ff.literal(strokeColor), ff.literal(strokeWidth));
            LineSymbolizer lineSymbolizer = (LineSymbolizer) getSymbolizer();
            lineSymbolizer.setStroke(stroke);
            strokeGraphicStroke = stroke.getGraphicStroke();
        }
    }

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    /**
     * Reflects the changes from the UI to the symbolizer
     * 
     */
    public void apply() {
        LineSymbolizer symbolizer = (LineSymbolizer) getContent();
        StyleBuilder styleBuilder = getStyleBuilder();


        Stroke stroke = symbolizer.getStroke();
        if (stroke == null) {
            stroke = getStyleBuilder().createStroke();
            symbolizer.setStroke(stroke);
        }


        Color c = lineColourEditor.getColor();


        stroke.setWidth(styleBuilder.literalExpression(lineWidth.getSelection()));

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            pointMode.setSelection(false);
            polyMode.setSelection(false);
            lineMode.setSelection(false);
        } else if (mode == Mode.LINE) {
            lineMode.setSelection(true);
            LineSymbolizer sym = SLDs.lineSymbolizer(fts);
            stroke = SLDs.stroke(sym);
            placement = SLDs.getPlacement(SLDs.ALIGN_LEFT, SLDs.ALIGN_MIDDLE, 0);


            name = sym == null ? null : sym.getGeometryPropertyName();
        } else if (mode == Mode.POLYGON) {
            polyMode.setSelection(true);
            PolygonSymbolizer sym = SLDs.polySymbolizer(fts);
            stroke = SLDs.stroke(sym);
            fill = SLDs.fill(sym);
            placement = SLDs.getPlacement(SLDs.ALIGN_CENTER, SLDs.ALIGN_MIDDLE, 0);


            name = sym == null ? null : sym.getGeometryPropertyName();
        } else if (mode == Mode.POINT || mode == Mode.ALL) { // default to handling as Point
            pointMode.setSelection(true);


            PointSymbolizer sym = SLDs.pointSymbolizer(fts);
            stroke = SLDs.stroke(sym);
            fill = SLDs.fill(sym);
            graphic = SLDs.graphic(sym);
            placement = SLDs.getPlacement(SLDs.ALIGN_LEFT, SLDs.ALIGN_MIDDLE, 0);


            name = sym == null ? null : sym.getGeometryPropertyName();
        }
        
        text = SLDs.textSymbolizer(fts);
        if (text != null && placement != null) {
            text.setLabelPlacement(placement);

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            geometryPropertyName = geometryName.getCombo().getText();
        }


        switch( this.mode ) {
        case LINE: {
            LineSymbolizer lineSymbolizer = this.build.createLineSymbolizer(this.line
                    .getStroke(this.build));
            acquire.add(lineSymbolizer);
            lineSymbolizer.setGeometryPropertyName(geometryPropertyName);
            if (textSym != null) {
                acquire.add(textSym);
            }
        }
            break;


        case POLYGON: {
            PolygonSymbolizer polygonSymbolizer = this.build.createPolygonSymbolizer(this.line
                    .getStroke(this.build), this.fill.getFill(this.build));
            polygonSymbolizer.setGeometryPropertyName(geometryPropertyName);
            acquire.add(polygonSymbolizer);
            if (textSym != null) {
                acquire.add(textSym);
            }
        }
            break;


        case POINT: {
            PointSymbolizer pointSymbolizer = this.build.createPointSymbolizer(this.point
                    .getGraphic(this.fill.getFill(this.build), this.line.getStroke(this.build),
                            this.build));
            pointSymbolizer.setGeometryPropertyName(geometryPropertyName);
            acquire.add(pointSymbolizer);
            if (textSym != null) {
                acquire.add(textSym);
            }
        }
            break;
        case ALL: {
            LineSymbolizer lineSymbolizer = this.build.createLineSymbolizer(this.line
                    .getStroke(this.build));
            acquire.add(lineSymbolizer);
            acquire.add(lineSymbolizer);
            PolygonSymbolizer polygonSymbolizer = this.build.createPolygonSymbolizer(this.line
                    .getStroke(this.build), this.fill.getFill(this.build));

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        Stroke stroke = null;
        Symbolizer[] symbolizers = newRule.getSymbolizers();
        if (symbolizers.length > 0) {
            Symbolizer symbolizer = newRule.getSymbolizers()[0];
            if (symbolizer instanceof LineSymbolizer) {
                LineSymbolizer lineSymbolizer = (LineSymbolizer) symbolizer;
                stroke = SLDs.stroke(lineSymbolizer);
            }
        }


        int strokeSize = 0;

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                Graphic[] graphics = new Graphic[2];
                if (symbolizer instanceof PointSymbolizer) {
                    PointSymbolizer pointSymbolizer = (PointSymbolizer) symbolizer;
                    graphics[0] = pointSymbolizer.getGraphic();
                } else if (symbolizer instanceof LineSymbolizer) {
                    LineSymbolizer lineSymbolizer = (LineSymbolizer) symbolizer;
                    Stroke stroke = lineSymbolizer.getStroke();
                    graphics[0] = stroke.getGraphicStroke();
                } else if (symbolizer instanceof PolygonSymbolizer) {
                    PolygonSymbolizer polygonSymbolizer = (PolygonSymbolizer) symbolizer;
                    Stroke stroke = polygonSymbolizer.getStroke();
                    if (stroke != null)

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     * Creates a default {@link Rule} for a line.
     * 
     * @return the default rule.
     */
    public static Rule createDefaultLineRule() {
        LineSymbolizer lineSymbolizer = sf.createLineSymbolizer();
        lineSymbolizer.setStroke(sf.createStroke(ff.literal(Color.BLACK), ff.literal(1)));


        Rule rule = sf.createRule();
        rule.setName("New rule");
        rule.symbolizers().add(lineSymbolizer);

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