Package org.apache.flex.forks.batik.gvt

Examples of org.apache.flex.forks.batik.gvt.GraphicsNode

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        Point2D gnp = p;
        if (baseTransform != null) {
            gnp = baseTransform.transform(p, null);
        }

        GraphicsNode node = root.nodeHitAt(gnp);
       
        // If the receiving node has changed, send a notification
        // check if we enter a new node
        Point screenPos;
        if (!evt.getComponent().isShowing()) {
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     */
    public void unbind(Element element) {
        if (elementNodeMap == null) {
            return;
        }
        GraphicsNode node = null;
        SoftReference sr = (SoftReference)elementNodeMap.get(element);
        if (sr != null)
            node = (GraphicsNode)sr.get();
        elementNodeMap.remove(element);
        if (node != null)
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        List children = cgn.getChildren();
        Iterator i = children.iterator();
        Rectangle2D r2d = null;
        while (i.hasNext()) {
            GraphicsNode gn = (GraphicsNode)i.next();
            if (gn == child)
                break;

            // System.out.println("GN: " + gn);
            Rectangle2D cr2d = gn.getBounds();
            AffineTransform at = gn.getTransform();
            if (at != null)
                cr2d = at.createTransformedShape(cr2d).getBounds2D();

            if (r2d == null) r2d = (Rectangle2D)cr2d.clone();
            else             r2d.add(cr2d);
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        if (child != null) {
            CompositeGraphicsNode cgn = (CompositeGraphicsNode)gn;
            List children = cgn.getChildren();
            Iterator i = children.iterator();
            while (i.hasNext()) {
                GraphicsNode childGN = (GraphicsNode)i.next();
                // System.out.println("Parent: "      + cgn +
                //                    "\n  Child: "   + child +
                //                    "\n  ChildGN: " + childGN);
                if (childGN == child)
                    break;

                Rectangle2D cbounds = childGN.getBounds();
                // System.out.println("Child : " + childGN);
                // System.out.println("Bounds: " + cbounds);
                // System.out.println("      : " + aoi);

                AffineTransform at = childGN.getTransform();
                if (at != null)
                    cbounds = at.createTransformedShape(cbounds).getBounds2D();


                if (aoi.intersects(cbounds)) {
                    srcs.add(childGN.getEnableBackgroundGraphicsNodeRable
                             (true));
                }
            }
        }
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     * @param ctx the bridge context to use
     * @param e the element that describes the graphics node to build
     * @return a graphics node that represents the specified element
     */
    public GraphicsNode createGraphicsNode(BridgeContext ctx, Element e) {
        GraphicsNode refNode = null;
        GVTBuilder builder = ctx.getGVTBuilder();
        for (Node n = e.getFirstChild(); n != null; n = n.getNextSibling()) {
            if (n.getNodeType() == Node.ELEMENT_NODE) {
                Element ref = (Element)n;
                if (n instanceof SVGTests
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        //
        // Apply transform
        //
        // RootGraphicsNode gn = new RootGraphicsNode();
        // gn.getChildren().add(patternContentNode);
        GraphicsNode gn = new PatternGraphicsNode(patternContentNode);
       
        gn.setTransform(patternContentTransform);
       
        // take the opacity into account. opacity is implemented by a Filter
        if (opacity != 1) {
            Filter filter = gn.getGraphicsNodeRable(true);
            filter = new ComponentTransferRable8Bit
                (filter,
                 ConcreteComponentTransferFunction.getLinearTransfer
                 (opacity, 0), //alpha
                 ConcreteComponentTransferFunction.getIdentityTransfer(), //Red
                 ConcreteComponentTransferFunction.getIdentityTransfer(), //Grn
                 ConcreteComponentTransferFunction.getIdentityTransfer());//Blu
            gn.setFilter(filter);
        }

       

        return new PatternPaint(gn,
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            // check if the Node is valid
            if (n.getNodeType() != Node.ELEMENT_NODE) {
                continue;
            }

            GraphicsNode gn = builder.build(ctx, (Element)n);
            // check if a GraphicsNode has been created
            if (gn != null) {
                // lazy instantation of the grouping element.
                if (content == null) {
                    content = new RootGraphicsNode();
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            if (node.getNodeType() != Node.ELEMENT_NODE) {
                continue;
            }

            Element child = (Element)node;
            GraphicsNode clipNode = builder.build(ctx, child) ;
            // check if a GVT node has been created
            if (clipNode == null) {
                continue;
            }
            hasChildren = true;

            // if this is a 'use' element, get the actual shape used
            if (child instanceof CSSImportNode) {
                SVGOMCSSImportedElementRoot shadow =
                    (SVGOMCSSImportedElementRoot)
                    ((CSSImportNode) child).getCSSImportedElementRoot();
               
                if (shadow != null) {
                    Node shadowChild = shadow.getFirstChild();
                    if (shadowChild != null
                            && shadowChild.getNodeType() == Node.ELEMENT_NODE) {
                        child = (Element) shadowChild;
                    }
                }
            }

            // compute the outline of the current clipPath's child
            int wr = CSSUtilities.convertClipRule(child);
            GeneralPath path = new GeneralPath(clipNode.getOutline());
            path.setWindingRule(wr);

            AffineTransform at = clipNode.getTransform();
            if (at == null)  at = Tx;
            else             at.preConcatenate(Tx);

            Shape outline = at.createTransformedShape(path);
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    public void handleElementAdded(CompositeGraphicsNode gn,
                                   Node parent,
                                   Element childElt) {
        // build the graphics node
        GVTBuilder builder = ctx.getGVTBuilder();
        GraphicsNode childNode = builder.build(ctx, childElt);
        if (childNode == null) {
            return; // the added element is not a graphic element
        }
       
        // Find the index where the GraphicsNode should be added
        int idx = -1;
        for(Node ps = childElt.getPreviousSibling(); ps != null;
            ps = ps.getPreviousSibling()) {
            if (ps.getNodeType() != Node.ELEMENT_NODE)
                continue;
            Element pse = (Element)ps;
            GraphicsNode psgn = ctx.getGraphicsNode(pse);
            while ((psgn != null) && (psgn.getParent() != gn)) {
                // In some cases the GN linked is
                // a child (in particular for images).
                psgn = psgn.getParent();
            }
            if (psgn == null)
                continue;
            idx = gn.indexOf(psgn);
            if (idx == -1)
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        // 'requiredFeatures', 'requiredExtensions' and 'systemLanguage'
        if (!SVGUtilities.matchUserAgent(e, ctx.getUserAgent())) {
            return null;
        }

        GraphicsNode node = instantiateGraphicsNode();
        // 'transform'
        String s = e.getAttributeNS(null, SVG_TRANSFORM_ATTRIBUTE);
        if (s.length() != 0) {
            node.setTransform
                (SVGUtilities.convertTransform(e, SVG_TRANSFORM_ATTRIBUTE, s));
        }
        // 'visibility'
        node.setVisible(CSSUtilities.convertVisibility(e));
        return node;
    }
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Related Classes of org.apache.flex.forks.batik.gvt.GraphicsNode

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  • org.apache.flex.forks.batik.apps.slideshow.Main$RenderThread
  • org.apache.flex.forks.batik.apps.svgbrowser.FindDialog
  • org.apache.flex.forks.batik.apps.svgbrowser.FindDialog$FindButtonAction
  • org.apache.flex.forks.batik.apps.svgbrowser.ThumbnailDialog
  • org.apache.flex.forks.batik.bridge.AbstractGraphicsNodeBridge
  • org.apache.flex.forks.batik.bridge.BridgeContext
  • org.apache.flex.forks.batik.bridge.BridgeContext$CSSPropertiesChangedListener
  • org.apache.flex.forks.batik.bridge.BridgeEventSupport$Listener
  • org.apache.flex.forks.batik.bridge.CursorManager
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