Examples of org.geotools.styling.visitor.DuplicatingStyleVisitor

org.geotools.styling.visitor.DuplicatingStyleVisitor
Creates a deep copy of a Style, this class is *NOT THREAD SAFE*.
This class makes use of an internal stack to story the copied result, retrieve with a call to getCopy() after visiting:
```
 DuplicatingStyleVisitor copyStyle = new DuplicatingStyleVisitor(); rule.accepts( copyStyle ); Rule rule = (Rule) copyStyle.getCopy(); 
```
This class is often used as a base for an anoymous subclass where a style transformation is needed (such as removing PointSymbolizers or changing the scale - see RescaleStyleVisitor for an example).
@author Jesse Eichar @source $URL$

            oldStyle = (Style) styleBlackboard.get(SLDContent.ID);
            if (oldStyle == null) {
                oldStyle = Utilities.createDefaultPointStyle();
            }
            
            DuplicatingStyleVisitor dsv = new DuplicatingStyleVisitor();
            dsv.visit(oldStyle);
            style = (Style) dsv.getCopy();
            
            if (isPointStyle(style)) {
                propertiesEditor = new PointPropertiesEditor(layer);
                propertiesEditor.open(mainComposite, style);
                stackLayout.topControl = propertiesEditor.getControl();

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        StyleBlackboard styleBlackboard = layer.getStyleBlackboard();
        oldStyle = (Style) styleBlackboard.get(SLDContent.ID);
        if (oldStyle == null) {
            oldStyle = Utilities.createDefaultPointStyle();
        }
        DuplicatingStyleVisitor dsv = new DuplicatingStyleVisitor();
        dsv.visit(oldStyle);
        style = (Style) dsv.getCopy();


        if (!isPointStyle(style)) {
            stackLayout.topControl = noFeatureLabel;
        } else {
            stackLayout.topControl = propertiesEditor.getControl();

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            style = (Style) styleBlackboard.get(SLDContent.ID);
            if (style == null) {
                style = Utilities.createDefaultPolygonStyle();
            }
            
            DuplicatingStyleVisitor dsv = new DuplicatingStyleVisitor();
            dsv.visit(style);
            oldStyleCopy = (Style) dsv.getCopy();


            if (isPolygonStyle(style)) {
                propertiesEditor = new PolygonPropertiesEditor(layer);
                propertiesEditor.open(mainComposite, style);
                stackLayout.topControl = propertiesEditor.getControl();

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        StyleBlackboard styleBlackboard = layer.getStyleBlackboard();
        style = (Style) styleBlackboard.get(SLDContent.ID);
        if (style == null) {
            style = Utilities.createDefaultPolygonStyle();
        }
        DuplicatingStyleVisitor dsv = new DuplicatingStyleVisitor();
        dsv.visit(style);
        oldStyleCopy = (Style) dsv.getCopy();


        if (!isPolygonStyle(style)) {
            stackLayout.topControl = noFeatureLabel;
        } else {
            stackLayout.topControl = propertiesEditor.getControl();

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            oldStyle = (Style) styleBlackboard.get(SLDContent.ID);
            if (oldStyle == null) {
                oldStyle = Utilities.createDefaultLineStyle();
            }
            
            DuplicatingStyleVisitor dsv = new DuplicatingStyleVisitor();
            dsv.visit(oldStyle);
            style = (Style) dsv.getCopy();


            if (isLineStyle(style)) {
                linesEditor = new LinePropertiesEditor(layer);
                linesEditor.open(mainComposite, style);
                stackLayout.topControl = linesEditor.getControl();

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        oldStyle = (Style) styleBlackboard.get(SLDContent.ID);
        if (oldStyle == null) {
            oldStyle = Utilities.createDefaultLineStyle();
        }
        
        DuplicatingStyleVisitor dsv = new DuplicatingStyleVisitor();
        dsv.visit(oldStyle);
        style = (Style) dsv.getCopy();


        if (!isLineStyle(style)) {
            stackLayout.topControl = noFeatureLabel;
        } else {
            if (linesEditor==null) {

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     * @param width the image width.
     * @param height the image height.
     * @return the generated image.
     */
    public static BufferedImage pointRuleToImage( final Rule rule, int width, int height ) {
        DuplicatingStyleVisitor copyStyle = new DuplicatingStyleVisitor();
        rule.accept(copyStyle);
        Rule newRule = (Rule) copyStyle.getCopy();


        int pointSize = 0;
        Stroke stroke = null;
        Symbolizer[] symbolizers = newRule.getSymbolizers();
        if (symbolizers.length > 0) {

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     * @param width the image width.
     * @param height the image height.
     * @return the generated image.
     */
    public static BufferedImage polygonRuleToImage( final Rule rule, int width, int height ) {
        DuplicatingStyleVisitor copyStyle = new DuplicatingStyleVisitor();
        rule.accept(copyStyle);
        Rule newRule = (Rule) copyStyle.getCopy();


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

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     * @param width the image width.
     * @param height the image height.
     * @return the generated image.
     */
    public static BufferedImage lineRuleToImage( final Rule rule, int width, int height ) {
        DuplicatingStyleVisitor copyStyle = new DuplicatingStyleVisitor();
        rule.accept(copyStyle);
        Rule newRule = (Rule) copyStyle.getCopy();


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

View Full Code Here

            IProgressMonitor m ) throws IOException {
        
        if( resource.canResolve(Style.class)){
            Style style = resource.resolve( Style.class, null);
            if( style != null ){
                DuplicatingStyleVisitor v = new DuplicatingStyleVisitor();
                style.accept(v);
                return v.getCopy();
            }
        }
        
        if( resource.canResolve(FeatureSource.class) ){
            SimpleFeatureSource featureSource = null;

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