Examples of org.geotools.styling.Stroke

org.geotools.styling.Stroke

l.opengeospatial.org/files/?artifact_id=1188"> OGC Styled-Layer Descriptor Report (OGC 02-070) version 1.0.0.:

 <xsd:element name="Stroke"> <xsd:annotation> <xsd:documentation> A "Stroke" specifies the appearance of a linear geometry.  It is defined in parallel with SVG strokes.  The following CssParameters may be used: "stroke" (color), "stroke-opacity", "stroke-width", "stroke-linejoin", "stroke-linecap", "stroke-dasharray", and "stroke-dashoffset". </xsd:documentation> </xsd:annotation> <xsd:complexType> <xsd:sequence> <xsd:choice minOccurs="0"> <xsd:element ref="sld:GraphicFill"/> <xsd:element ref="sld:GraphicStroke"/> </xsd:choice> <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.

@source $URL$ @version $Id$ @author James Macgill

                public Object apply(final String input) {
                    return input;
                }
            });
            Fill fill = createFill(styleJson);
            Stroke stroke = createStroke(styleJson, false);


            final Mark mark = this.styleBuilder.createMark(graphicName, fill, stroke);
            graphic.graphicalSymbols().add(mark);
        }


        if (graphic.graphicalSymbols().isEmpty()) {
            Fill fill = createFill(styleJson);
            Stroke stroke = createStroke(styleJson, false);


            final Mark mark = this.styleBuilder.createMark(DEFAULT_POINT_MARK, fill, stroke);
            graphic.graphicalSymbols().add(mark);
        }

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     * @param styleJson The old style.
     */
    @VisibleForTesting
    @Nullable
    protected LineSymbolizer createLineSymbolizer(final PJsonObject styleJson) {
        final Stroke stroke = createStroke(styleJson, true);
        if (stroke == null) {
            return null;
        } else {
            return this.styleBuilder.createLineSymbolizer(stroke);
        }

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            }
        }


        Expression lineCap = parseExpression(null, styleJson, JSON_STROKE_LINECAP, Functions.<String>identity());


        final Stroke stroke = this.styleBuilder.createStroke(strokeColor, widthExpression);
        stroke.setLineCap(lineCap);
        stroke.setOpacity(strokeOpacity);
        stroke.setDashArray(dashArray);
        return stroke;
    }

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        final PointSymbolizer pointSymbolizer = this.helper.createPointSymbolizer(pJson);
        assertNotNull(pointSymbolizer);


        final Graphic graphic = pointSymbolizer.getGraphic();
        Mark mark = (Mark) graphic.graphicalSymbols().get(0);
        Stroke stroke = mark.getStroke();
        assertArrayEquals(Arrays.toString(stroke.getDashArray()), new float[]{5f, 4f}, stroke.getDashArray(), FLOAT_DELTA);
    }

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


        final Stroke stroke = lineSymbolizer.getStroke();
        assertNotNull(stroke);


        assertNull(stroke.getDashArray());
    }

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        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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        JSONObject json = new JSONObject();
        PJsonObject pJson = new PJsonObject(json, "symbolizers");
        final PolygonSymbolizer polygonSymbolizer = this.helper.createPolygonSymbolizer(pJson);
        assertNotNull(polygonSymbolizer);


        final Stroke stroke = polygonSymbolizer.getStroke();
        assertNotNull(stroke);
        assertNull(stroke.getDashArray());


        assertNotNull(polygonSymbolizer.getFill());
    }

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        PJsonObject pJson = new PJsonObject(json, "symbolizers");
        final PolygonSymbolizer polygonSymbolizer = this.helper.createPolygonSymbolizer(pJson);
        assertNotNull(polygonSymbolizer);


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


        assertNotNull(polygonSymbolizer.getFill());
    }

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    private void assertDashStyle(String dashStyle, float[] expectedDashArray) throws JSONException {
        JSONObject strokeJson = new JSONObject();
        strokeJson.put(JsonStyleParserHelper.JSON_STROKE_DASHSTYLE, dashStyle);


        PJsonObject pStyle = new PJsonObject(strokeJson, "style");
        final Stroke stroke = helper.createStroke(pStyle, false);
        assertNotNull(stroke);
        assertArrayEquals(Arrays.toString(stroke.getDashArray()), expectedDashArray, stroke.getDashArray(), FLOAT_DELTA);
    }

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    public LineSymbolizer build() {
        if (unset) {
            return null; // builder was constructed but never used
        }
        Stroke stroke = strokeBuilder.build();
        if (stroke == null) {
            stroke = Stroke.DEFAULT;
        }
        LineSymbolizer ls = sf.createLineSymbolizer(stroke, null);
        if (geometry != null) {

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