org.geotools.styling.Stroke Java Examples

/**
 * Gets the stroke.
 *
 * @param jsonElementSymbol the json element symbol
 * @return the stroke list
 */
public List<Stroke> getStrokeList(JsonElement jsonElementSymbol) {
    List<Stroke> strokeList = null;

    if(jsonElementSymbol != null)
    {
        JsonObject jsonSymbol = jsonElementSymbol.getAsJsonObject();

        for(String lineSymbolType : lineSymbolMap.keySet())
        {
            JsonElement obj = jsonSymbol.get(lineSymbolType);

            if(obj != null)
            {
                EsriLineSymbolInterface esriLineSymbol = lineSymbolMap.get(lineSymbolType);
                strokeList = esriLineSymbol.convert(obj);
                break;
            }
        }
    }
    return strokeList;
}
 

/**
 * Gets the stroke value.
 *
 * @param fieldConfigManager the field config manager
 * @param strokeEnabled the stroke enabled
 * @return the stroke value
 */
private Stroke getStrokeValue(
        GraphicPanelFieldManager fieldConfigManager, boolean strokeEnabled) {
    FieldConfigBase field;
    Stroke stroke = null;

    if (strokeEnabled && (strokeFieldConfig != null)) {
        Expression expStrokeColour = null;
        Expression expStrokeColourOpacity = null;

        field = fieldConfigManager.get(strokeFieldConfig.getColour());
        if (field instanceof FieldConfigColour) {
            FieldConfigColour colourField = (FieldConfigColour) field;

            expStrokeColour = colourField.getColourExpression();
        }
        field = fieldConfigManager.get(strokeFieldConfig.getOpacity());
        if (field != null) {
            expStrokeColourOpacity = field.getExpression();
        }
        stroke = getStyleFactory().createStroke(expStrokeColour, expStrokeColourOpacity);
    }
    return stroke;
}
 

/**
 * Gets the stroke.
 *
 * @param symbolizer the symbolizer
 * @return the stroke
 */
/*
 * (non-Javadoc)
 *
 * @see com.sldeditor.ui.tree.SLDTreeLeafInterface#getStroke(org.opengis.style.Symbolizer)
 */
@Override
public Stroke getStroke(Symbolizer symbolizer) {
    Stroke stroke = null;

    if (symbolizer instanceof LineSymbolizer) {
        LineSymbolizer line = (LineSymbolizer) symbolizer;

        stroke = line.getStroke();
    }

    return stroke;
}
 

/**
 * Gets the geo server stroke value.
 *
 * @param fieldConfigManager the field config manager
 * @return the geo server stroke value
 */
private Stroke getGeoServerStrokeValue(GraphicPanelFieldManager fieldConfigManager) {
    Stroke stroke;
    Expression strokeColour = null;
    FieldConfigBase field = fieldConfigManager.get(fillFieldConfig.getColour());
    if (field != null) {
        strokeColour = ((FieldConfigColour) field).getColourExpression();
    }

    Expression strokeColourOpacity = null;
    field = fieldConfigManager.get(fillFieldConfig.getOpacity());
    if (field != null) {
        strokeColourOpacity = field.getExpression();
    }

    Expression strokeWidth = null;
    field = fieldConfigManager.get(fillFieldConfig.getWidth());
    if (field != null) {
        strokeWidth = field.getExpression();
    }

    stroke = getStyleFactory().createStroke(strokeColour, strokeWidth, strokeColourOpacity);
    return stroke;
}
 

/**
 * Update stroke.
 *
 * @param selected the selected
 * @param symbolizer the symbolizer
 * @return the stroke
 */
public Stroke updateStroke(boolean selected, Symbolizer symbolizer) {
    if (symbolizer == null) {
        return null;
    }

    boolean currentValue = hasStroke(symbolizer);

    if (currentValue != selected) {
        SLDTreeLeafInterface obj = map.get(symbolizer.getClass());
        if (obj != null) {
            if (selected) {
                logger.debug("Set stroke");
                obj.createStroke(symbolizer);
            } else {
                logger.debug("Clear stroke");
                obj.removeStroke(symbolizer);
            }
        }
    }
    return getStroke(symbolizer);
}
 

/**
 * Update stroke.
 *
 * @param resourceLocator the resource locator
 * @param stroke the stroke
 * @param externalImageList the external image list
 */
private static void updateStroke(
        URL resourceLocator,
        Stroke stroke,
        List<String> externalImageList,
        ProcessGraphicSymbolInterface process) {
    if (stroke != null) {
        if (stroke.getGraphicFill() != null) {
            process.processGraphicalSymbol(
                    resourceLocator,
                    stroke.getGraphicFill().graphicalSymbols(),
                    externalImageList);
        }

        if (stroke.getGraphicStroke() != null) {
            process.processGraphicalSymbol(
                    resourceLocator,
                    stroke.getGraphicStroke().graphicalSymbols(),
                    externalImageList);
        }
    }
}
 

/**
 * Test method for {@link
 * com.sldeditor.ui.tree.item.StrokeTreeItem#getTreeString(java.lang.Object)}.
 */
@Test
public void testGetTreeString() {
    StrokeTreeItem item = new StrokeTreeItem();
    String actualValue = item.getTreeString(null, null);
    String expectedValue = Localisation.getString(SLDTreeTools.class, "TreeItem.stroke");
    assertTrue(actualValue.compareTo(expectedValue) == 0);

    Stroke stroke = DefaultSymbols.createDefaultStroke();

    actualValue = item.getTreeString(null, stroke);
    assertTrue(actualValue.compareTo(expectedValue) == 0);

    actualValue = item.getTreeString(null, stroke);
    assertTrue(actualValue.compareTo(expectedValue) == 0);
}
 

/** Test method for StrokeDetails */
@Test
public void testStrokeGetMinimumVersion() {
    StrokeDetails details = new StrokeDetails();

    details.getMinimumVersion(null, null, null);

    Stroke stroke = styleFactory.createStroke(ff.literal("#654321"), ff.literal(3.2));
    Graphic graphicStroke = styleFactory.createDefaultGraphic();
    stroke.setGraphicStroke(graphicStroke);

    List<VendorOptionPresent> vendorOptionsPresentList = null;
    Object parentObj = null;
    details.getMinimumVersion(parentObj, stroke, vendorOptionsPresentList);

    vendorOptionsPresentList = new ArrayList<VendorOptionPresent>();
    details.getMinimumVersion(parentObj, stroke, vendorOptionsPresentList);

    assertTrue(vendorOptionsPresentList.size() == 0);
}
 

@Override
public List<Stroke> convert(JsonElement element) {

    if(element == null) return null;

    List<Stroke> strokeList = null;

    JsonArray layerList = element.getAsJsonArray();
    if(layerList.size() > 0)
    {
        strokeList = new ArrayList<Stroke>();

        for(int index = 0; index < layerList.size(); index ++)
        {
            JsonObject obj = layerList.get(index).getAsJsonObject();

            List<Stroke> strokeSymbolList = SymbolManager.getInstance().getStrokeList(obj.get(MultiLayerLineSymbolKeys.LINE));
            if(strokeSymbolList != null)
            {
                strokeList.addAll(strokeSymbolList);
            }
        }
    }
    return strokeList;
}
 

/**
 * Create a default polygon style.
 *
 * @return the created style.
 */
public static Style createPolygonStyle() {

	// create a partially opaque outline stroke
	final Stroke stroke = styleFactory.createStroke(filterFactory.literal(Color.BLUE), filterFactory.literal(1),
			filterFactory.literal(0.5));

	// create a partial opaque fill
	final Fill fill = styleFactory.createFill(filterFactory.literal(Color.CYAN), filterFactory.literal(0.5));

	/*
	 * Setting the geometryPropertyName arg to null signals that we want to draw the default geomettry of features
	 */
	final PolygonSymbolizer sym = styleFactory.createPolygonSymbolizer(stroke, fill, null);

	final Rule rule = styleFactory.createRule();
	rule.symbolizers().add(sym);
	final FeatureTypeStyle fts = styleFactory.createFeatureTypeStyle(new Rule[] { rule });
	final Style style = styleFactory.createStyle();
	style.featureTypeStyles().add(fts);

	return style;
}
 

private Stroke createStroke(FeatureStyleInfo featureStyle) throws LayerException {
	Stroke stroke = styleBuilder.createStroke(styleBuilder.literalExpression(featureStyle.getStrokeColor()),
			styleBuilder.literalExpression(featureStyle.getStrokeWidth()),
			styleBuilder.literalExpression(featureStyle.getStrokeOpacity()));
	if (featureStyle.getDashArray() != null) {
		String[] strings = featureStyle.getDashArray().split(",");
		float[] nrs = new float[strings.length];
		for (int i = 0; i < strings.length; i++) {
			try {
				nrs[i] = parseFloat(strings[i]);
			} catch (NumberFormatException e) {
				log.warn("Dash array cannot be parsed " + featureStyle.getDashArray(), e);
			}
		}
		stroke.setDashArray(nrs);
	}
	return stroke;
}
 

private static Rule makeFillRule() {
    final FilterFactory filterFactory = CommonFactoryFinder.getFilterFactory();
    final StyleFactory styleFactory = CommonFactoryFinder.getStyleFactory();

    // create a partially opaque outline stroke
    final Stroke stroke = styleFactory.createStroke(
            filterFactory.literal(Color.BLACK),
            filterFactory.literal(1),
            filterFactory.literal(.5)
    );

    // create a partially opaque fill
    Fill fill = styleFactory.createFill(
            filterFactory.literal(COLORS.next()),
            filterFactory.literal(.5)
    );

    // setting the geometryPropertyName arg to null signals that we want to draw the default geometry of features
    final PolygonSymbolizer sym = styleFactory.createPolygonSymbolizer(stroke, fill, null);

    final Rule rule = styleFactory.createRule();
    rule.symbolizers().add(sym);

    return rule;
}
 

/**
 * Convert.
 *
 * @param rule the rule
 * @param element the element
 * @param layerName the layer name
 * @param transparency the transparency
 */
@Override
public void convert(Rule rule, JsonElement element, String layerName, int transparency) {
    if(rule == null) return;
    if(element == null) return;

    JsonObject obj = element.getAsJsonObject();

    List<Symbolizer> symbolizerList = rule.symbolizers();

    List<Stroke> strokeList = convert(obj);

    Stroke stroke = null;

    if(!strokeList.isEmpty())
    {
        stroke = strokeList.get(0);
    }

    LineSymbolizer lineSymbolizer = styleFactory.createLineSymbolizer(stroke, null);

    symbolizerList.add(lineSymbolizer);
}
 

private static Style createPolygonStyle() {
    PolygonSymbolizer symbolizer = styleFactory.createPolygonSymbolizer();
    Fill fill = styleFactory.createFill(
            filterFactory.literal("#FFAA00"),
            filterFactory.literal(0.5)
    );
    final Stroke stroke = styleFactory.createStroke(filterFactory.literal(Color.BLACK),
                                                    filterFactory.literal(1));
    symbolizer.setFill(fill);
    symbolizer.setStroke(stroke);
    Rule rule = styleFactory.createRule();
    rule.symbolizers().add(symbolizer);
    FeatureTypeStyle fts = styleFactory.createFeatureTypeStyle();
    fts.rules().add(rule);

    Style style = styleFactory.createStyle();
    style.featureTypeStyles().add(fts);
    return style;
}
 

/**
 * Create a default line style.
 *
 * @return the created style.
 */
public static Style createLineStyle() {
	final Stroke stroke = styleFactory.createStroke(filterFactory.literal(Color.BLUE), filterFactory.literal(1));

	/*
	 * Setting the geometryPropertyName arg to null signals that we want to draw the default geomettry of features
	 */
	final LineSymbolizer sym = styleFactory.createLineSymbolizer(stroke, null);

	final Rule rule = styleFactory.createRule();
	rule.symbolizers().add(sym);
	final FeatureTypeStyle fts = styleFactory.createFeatureTypeStyle(new Rule[] { rule });
	final Style style = styleFactory.createStyle();
	style.featureTypeStyles().add(fts);

	return style;
}
 

@Override
public void convert(Rule rule, JsonElement element, String layerName, int transparency) {
    if(element == null) return;
    if(rule == null) return;

    JsonObject obj = element.getAsJsonObject();
    @SuppressWarnings("unused")
    int style = getInt(obj, CommonSymbolKeys.STYLE);

    List<Symbolizer> symbolizerList = rule.symbolizers();

    List<Stroke> strokeList = convert(obj);

    Stroke stroke = null;

    if(!strokeList.isEmpty())
    {
        stroke = strokeList.get(0);
    }

    LineSymbolizer lineSymbolizer = styleFactory.createLineSymbolizer(stroke, null);

    symbolizerList.add(lineSymbolizer);
}
 

@Override
public Stroke getStroke(Symbolizer symbolizer) {
    Stroke stroke = null;
    if (symbolizer instanceof PolygonSymbolizer) {
        PolygonSymbolizer polygon = (PolygonSymbolizer) symbolizer;

        stroke = polygon.getStroke();
    }
    return stroke;
}
 

/**
 * Creates the default point symbolizer.
 *
 * @return the point symbolizer
 */
public static PointSymbolizer createDefaultPointSymbolizer() {
    String geometryFieldName = null;
    Expression geometryField = ff.property(geometryFieldName);

    List<GraphicalSymbol> symbolList = new ArrayList<>();

    Stroke stroke = null;
    AnchorPoint anchorPoint = null;
    Displacement displacement = null;
    Fill fill = styleFactory.createFill(ff.literal(DEFAULT_MARKER_COLOUR));
    GraphicalSymbol symbol = styleFactory.mark(ff.literal(DEFAULT_MARKER_SYMBOL), fill, stroke);

    symbolList.add(symbol);
    Graphic graphic =
            styleFactory.graphic(
                    symbolList,
                    ff.literal(DEFAULT_COLOUR_OPACITY),
                    ff.literal(DEFAULT_MARKER_SYMBOL_SIZE),
                    ff.literal(0.0),
                    anchorPoint,
                    displacement);
    return styleFactory.pointSymbolizer(
            Localisation.getString(SLDTreeTools.class, "TreeItem.newMarker"),
            geometryField,
            null,
            null,
            graphic);
}
 

/**
 * Creates the default polygon symbolizer.
 *
 * @return the polygon symbolizer
 */
public static PolygonSymbolizer createDefaultPolygonSymbolizer() {
    Stroke stroke = styleFactory.createStroke(ff.literal(DEFAULT_LINE_COLOUR), ff.literal(2));

    Fill fill = styleFactory.getDefaultFill();
    PolygonSymbolizer polygonSymbolizer = styleFactory.createPolygonSymbolizer();
    polygonSymbolizer.setStroke(stroke);
    polygonSymbolizer.setFill(fill);
    return polygonSymbolizer;
}
 

/**
 * Gets the stroke.
 *
 * @param symbolizer the symbolizer
 * @return the stroke
 */
public Stroke getStroke(Symbolizer symbolizer) {
    Stroke stroke = null;
    if (symbolizer != null) {
        SLDTreeLeafInterface obj = map.get(symbolizer.getClass());
        if (obj != null) {
            stroke = obj.getStroke(symbolizer);
        }

        if (stroke == null) {
            stroke = styleFactory.getDefaultStroke();
        }
    }
    return stroke;
}
 

@Override
public void visit(PolygonSymbolizer poly) {
    super.visit(poly);
    PolygonSymbolizer polyCopy = (PolygonSymbolizer) pages.peek();
    Fill polyFill = polyCopy.getFill();
    if (polyFill != null) {
        polyFill.setOpacity(polyFillExp);
    }

    Stroke polyStroke = polyCopy.getStroke();
    if (polyStroke != null) {
        polyStroke.setOpacity(polyStrokeExp);
    }
}
 

/**
 * Checks if item is selected.
 *
 * @param userObject the user object
 * @param parentSymbolizer the parent symbolizer
 * @return true, if is item selected
 */
public boolean isItemSelected(Object userObject, Symbolizer parentSymbolizer) {
    boolean selectedItem = false;

    if (userObject instanceof Fill) {
        selectedItem = hasFill(parentSymbolizer);
    } else if (userObject instanceof Stroke) {
        selectedItem = hasStroke(parentSymbolizer);
    }

    return selectedItem;
}
 

public void setWkMarkWidthFill( String wkMarkWidthFill ) {
    this.wkMarkWidthFill = wkMarkWidthFill;
    checkMarkExists();
    if (wkMarkWidthFill != null) {
        Stroke markStroke = mark.getStroke();
        markStroke.setWidth(ff.literal(wkMarkWidthFill));
    }
}
 

/**
 * Test method for {@link
 * com.sldeditor.common.tree.leaf.SLDTreeLeafLine#getStroke(org.opengis.style.Symbolizer)}.
 */
@Test
public void testGetStroke() {
    SLDTreeLeafLine leaf = new SLDTreeLeafLine();
    assertNull(leaf.getStroke(null));

    PolygonSymbolizer polygonSymbolizer = DefaultSymbols.createDefaultPolygonSymbolizer();
    assertNull(leaf.getStroke(polygonSymbolizer));

    LineSymbolizer lineSymbolizer = DefaultSymbols.createDefaultLineSymbolizer();
    Stroke stroke = leaf.getStroke(lineSymbolizer);

    assertEquals(stroke, lineSymbolizer.getStroke());
}
 

private static Style createLineStyle() {
    final StyleFactory styleFactory = CommonFactoryFinder.getStyleFactory();
    final FilterFactory filterFactory = CommonFactoryFinder.getFilterFactory();

    // create a partially opaque outline stroke
    final Stroke stroke = styleFactory.createStroke(
            filterFactory.literal(Color.WHITE),
            filterFactory.literal(1),
            filterFactory.literal(.5)
    );

    // create a partially opaque fill
    final Fill fill = styleFactory.createFill(
            filterFactory.literal(Color.RED),
            filterFactory.literal(.25)
    );

    // setting the geometryPropertyName arg to null signals that we want to draw the default geometry of features
    final PolygonSymbolizer sym = styleFactory.createPolygonSymbolizer(stroke, fill, null);

    // make rule
    final Rule rule = styleFactory.createRule();
    rule.symbolizers().add(sym);

    final FeatureTypeStyle fts = styleFactory.createFeatureTypeStyle(new Rule[]{rule});
    final Style style = styleFactory.createStyle();
    style.getDescription().setTitle("Line Style");
    style.featureTypeStyles().add(fts);

    return style;
}
 

/**
 * TODO summary sentence for setStroke ...
 *
 * @param line
 * @param mode
 * @param defaultColor
 */
public void setStroke(final Stroke aLine, final Mode mode, final Color defaultColor) {
	listen(false);
	try {
		boolean enabled = true;
		Stroke line = aLine;

		if (line == null) {
			final StyleBuilder builder = new StyleBuilder();
			line = builder.createStroke(defaultColor);
			enabled = false;
		}
		this.enabled = enabled && mode != Mode.NONE && line != null;
		this.color = SLD.color(line);
		this.width = SLD.width(line);
		this.opacity = SLD.opacity(line);

		// Stroke is used in line, point and polygon
		this.on.setEnabled(mode != Mode.NONE);
		this.chooser.setColor(this.color);

		String text = MessageFormat.format("{0,number,#0}", this.width); //$NON-NLS-1$
		this.size.setText(text);
		this.size.select(this.size.indexOf(text));

		text = MessageFormat.format("{0,number,#0%}", this.opacity); //$NON-NLS-1$
		this.percent.setText(text);
		this.percent.select(this.percent.indexOf(text));

		this.on.setSelection(this.enabled);
		this.chooser.setEnabled(this.enabled);
		this.size.setEnabled(this.enabled);
		this.percent.setEnabled(this.enabled);
	} finally {
		listen(true); // listen to user now
	}
}
 

public void setWkMarkColorFill( String wkMarkColorFill ) {
    this.wkMarkColorFill = wkMarkColorFill;
    checkMarkExists();
    if (wkMarkColorFill != null) {
        Stroke markStroke = mark.getStroke();
        markStroke.setColor(ff.literal(wkMarkColorFill));
    }
}
 

private static Style createPolygonStyle() {
    final StyleFactory styleFactory = CommonFactoryFinder.getStyleFactory();
    final FilterFactory filterFactory = CommonFactoryFinder.getFilterFactory();

    // create a partially opaque outline stroke
    final Stroke stroke = styleFactory.createStroke(
            filterFactory.literal(Color.BLACK),
            filterFactory.literal(1),
            filterFactory.literal(.5)
    );

    // create a partially opaque fill
    final Fill fill = styleFactory.createFill(
            filterFactory.literal(COLORS.next()),
            filterFactory.literal(.5)
    );

    // setting the geometryPropertyName arg to null signals that we want to draw the default geometry of features
    final PolygonSymbolizer sym = styleFactory.createPolygonSymbolizer(stroke, fill, null);

    // make rule
    final Rule rule = styleFactory.createRule();
    rule.symbolizers().add(sym);

    final FeatureTypeStyle fts = styleFactory.createFeatureTypeStyle(new Rule[]{rule});
    final Style style = styleFactory.createStyle();
    style.getDescription().setTitle("Polygon Style");
    style.featureTypeStyles().add(fts);

    return style;
}
 

/**
 * Gets the stroke value.
 *
 * @param fieldConfigManager the field config manager
 * @return the stroke value
 */
private Stroke getStrokeValue(GraphicPanelFieldManager fieldConfigManager) {
    Stroke stroke;
    FieldConfigBase field;
    Expression expStrokeColour = null;
    Expression expStrokeColourOpacity = null;
    field = fieldConfigManager.get(this.strokeFieldConfig.getColour());
    if (field instanceof FieldConfigColour) {
        FieldConfigColour colourField = (FieldConfigColour) field;

        expStrokeColour = colourField.getColourExpression();
    }

    // Stroke width
    Expression strokeWidth = null;
    field = fieldConfigManager.get(this.strokeFieldConfig.getWidth());
    if (field != null) {
        strokeWidth = field.getExpression();
    }

    // Opacity
    field = fieldConfigManager.get(this.strokeFieldConfig.getOpacity());
    if (field != null) {
        expStrokeColourOpacity = field.getExpression();
    }

    stroke =
            getStyleFactory()
                    .createStroke(expStrokeColour, strokeWidth, expStrokeColourOpacity);
    return stroke;
}
 

@Override
public void convert(Rule rule, JsonElement element, String layerName, int transparency) {
    if(element == null) return;
    if(rule == null) return;

    JsonObject obj = element.getAsJsonObject();
    @SuppressWarnings("unused")
    int style = getInt(obj, CommonSymbolKeys.STYLE);

    List<Symbolizer> symbolizerList = rule.symbolizers();

    JsonElement jsonOutlineElement = obj.get(SimpleFillSymbolKeys.OUTLINE);
    List<Stroke> strokeList = SymbolManager.getInstance().getStrokeList(jsonOutlineElement);

    Stroke stroke = null;

    if(strokeList != null)
    {
        if(!strokeList.isEmpty())
        {
            stroke = strokeList.get(0);
        }
    }

    Expression fillColour = getColour(obj.get(SimpleFillSymbolKeys.FILL_COLOUR));

    Fill fill = null;

    if(fillColour != null)
    {
        fill = styleFactory.createFill(fillColour, getTransparency(transparency));
    }

    PolygonSymbolizer polygonSymbolizer = styleFactory.createPolygonSymbolizer(stroke, fill, null);

    symbolizerList.add(polygonSymbolizer);
}