Examples of org.apache.batik.gvt.CompositeGraphicsNode

org.apache.batik.gvt.CompositeGraphicsNode
A CompositeGraphicsNode is a graphics node that can contain graphics nodes. @author Thierry Kormann @version $Id: CompositeGraphicsNode.java,v 1.29 2002/07/25 21:42:42 deweese Exp $

        // 'requiredFeatures', 'requiredExtensions' and 'systemLanguage'
        if (!SVGUtilities.matchUserAgent(e, ctx.getUserAgent())) {
            return null;
        }


        CompositeGraphicsNode cgn = new CompositeGraphicsNode();


        // 'transform'
        String s = e.getAttributeNS(null, SVG_TRANSFORM_ATTRIBUTE);
        if (s.length() != 0) {
            cgn.setTransform
                (SVGUtilities.convertTransform(e, SVG_TRANSFORM_ATTRIBUTE, s,
                                               ctx));
        }
        // 'visibility'
        cgn.setVisible(CSSUtilities.convertVisibility(e));


        // 'text-rendering' and 'color-rendering'
        RenderingHints hints = null;
        hints = CSSUtilities.convertColorRendering(e, hints);
        hints = CSSUtilities.convertTextRendering (e, hints);
        if (hints != null) {
            cgn.setRenderingHints(hints);
        }


        // first child holds the flow region nodes
        CompositeGraphicsNode cgn2 = new CompositeGraphicsNode();
        cgn.add(cgn2);


        // second child is the text node
        FlowTextNode tn = (FlowTextNode)instantiateGraphicsNode();
        tn.setLocation(getLocation(ctx, e));

View Full Code Here

     * @param node the graphics node to build
     */
    public void buildGraphicsNode(BridgeContext ctx,
                                  Element e,
                                  GraphicsNode node) {
        CompositeGraphicsNode cgn = (CompositeGraphicsNode) node;


        // build flowRegion shapes
        boolean isStatic = !ctx.isDynamic();
        if (isStatic) {
            flowRegionNodes = new HashMap();
        } else {
            regionChangeListener = new RegionChangeListener();
        }
        CompositeGraphicsNode cgn2 = (CompositeGraphicsNode) cgn.get(0);
        GVTBuilder builder = ctx.getGVTBuilder();
        for (Node n = getFirstChild(e); n != null; n = getNextSibling(n)) {
            if (n instanceof SVGOMFlowRegionElement) {
                for (Node m = getFirstChild(n);
                        m != null;
                        m = getNextSibling(m)) {
                    if (m.getNodeType() != Node.ELEMENT_NODE) {
                        continue;
                    }
                    GraphicsNode gn = builder.build(ctx, (Element) m);
                    if (gn != null) {
                        cgn2.add(gn);
                        if (isStatic) {
                            flowRegionNodes.put(m, gn);
                        }
                    }
                }

View Full Code Here

            if (childNode.getNodeType() == Node.ELEMENT_NODE) {
                numGlyphChildren++;
            }
        }


        CompositeGraphicsNode glyphContentNode = null;


        if (numGlyphChildren > 0) {  // the glyph has child elements


            // build the GVT tree that represents the glyph children
            GVTBuilder builder = ctx.getGVTBuilder();


            glyphContentNode = new CompositeGraphicsNode();


            //
            // need to clone the parent font element and glyph element
            // this is so that the glyph doesn't inherit anything past the font element
            //
            Element fontElementClone
                = (Element)glyphElement.getParentNode().cloneNode(false);


            // copy all font attributes over
            NamedNodeMap fontAttributes
                = glyphElement.getParentNode().getAttributes();


            int numAttributes = fontAttributes.getLength();
            for (int i = 0; i < numAttributes; i++) {
                fontElementClone.setAttributeNode((Attr)fontAttributes.item(i));
            }
            Element clonedGlyphElement = (Element)glyphElement.cloneNode(true);
            fontElementClone.appendChild(clonedGlyphElement);


            textElement.appendChild(fontElementClone);


            CompositeGraphicsNode glyphChildrenNode
                = new CompositeGraphicsNode();


            glyphChildrenNode.setTransform(scaleTransform);


            NodeList clonedGlyphChildren = clonedGlyphElement.getChildNodes();
            int numClonedChildren = clonedGlyphChildren.getLength();
            for (int i = 0; i < numClonedChildren; i++) {
                Node childNode = clonedGlyphChildren.item(i);
                if (childNode.getNodeType() == Node.ELEMENT_NODE) {
                    Element childElement = (Element)childNode;
                    GraphicsNode childGraphicsNode =
                         builder.build(ctx, childElement);
                    glyphChildrenNode.add(childGraphicsNode);
                }
            }
            glyphContentNode.add(glyphChildrenNode);
            textElement.removeChild(fontElementClone);
        }

View Full Code Here

                if ((pgn == null) || !(pgn instanceof CompositeGraphicsNode)) {
                    // Something changed in this element but we really don't
                    // care since its parent isn't displayed either.
                    return;
                }
                CompositeGraphicsNode parent = (CompositeGraphicsNode)pgn;
                // Check if 'display' changed on this element.


                int [] properties = evt.getProperties();
                for (int i=0; i < properties.length; ++i) {
                    if (properties[i] == SVGCSSEngine.DISPLAY_INDEX) {
                        if (!CSSUtilities.convertDisplay(elem)) {
                            // (Still) Not displayed
                            break;
                        }
                        // build the graphics node
                        GVTBuilder builder = getGVTBuilder();
                        GraphicsNode childNode = builder.build
                            (BridgeContext.this, elem);
                        if (childNode == null) {
                            // the added element is not a graphic element?
                            break;
                        }
                        int idx = -1;
                        for(Node ps = elem.getPreviousSibling(); ps != null;
                            ps = ps.getPreviousSibling()) {
                            if (ps.getNodeType() != Node.ELEMENT_NODE)
                                continue;
                            Element pse = (Element)ps;
                            GraphicsNode gn = getGraphicsNode(pse);
                            if (gn == null)
                                continue;
                            idx = parent.indexOf(gn);
                            if (idx == -1)
                                continue;
                            break;
                        }
                        // insert after prevSibling, if
                        // it was -1 this becomes 0 (first slot)
                        idx++;
                        parent.add(idx, childNode);
                        break;
                    }
                }
            } if (ctx != null && (ctx instanceof BridgeUpdateHandler)) {
                ((BridgeUpdateHandler)ctx).handleCSSEngineEvent(evt);

View Full Code Here

    static Rectangle2D getViewportBounds(GraphicsNode gn,
                                         GraphicsNode child) {
        // See if background is enabled.
        Rectangle2D r2d = null;
        if (gn instanceof CompositeGraphicsNode) {
            CompositeGraphicsNode cgn = (CompositeGraphicsNode)gn;
            r2d = cgn.getBackgroundEnable();
        }


        if (r2d == null)
            // No background enable so check our parent's value.
            r2d = getViewportBounds(gn.getParent(), gn);


        // No background for any ancester (error) return null
        if (r2d == null)
            return null;


        // Background enabled is set, but it has no fixed bounds set.
        if (r2d == CompositeGraphicsNode.VIEWPORT) {
            // If we don't have a child then just use our bounds.
            if (child == null)
                return (Rectangle2D)gn.getPrimitiveBounds().clone();


            // gn must be composite so add all it's children's bounds
            // up to child.
            CompositeGraphicsNode cgn = (CompositeGraphicsNode)gn;
            return addBounds(cgn, child, null);
        }


        // We have a partial bound from parent, so map it to gn's
        // coordinate system...
        AffineTransform at = gn.getTransform();
        if (at != null) {
            try {
                at = at.createInverse();
                r2d = at.createTransformedShape(r2d).getBounds2D();
            } catch (NoninvertibleTransformException nte) {
                // Degenerate case return null;
                r2d = null;
            }
        }


        if (child != null) {
            // Add our childrens bounds to it...
            CompositeGraphicsNode cgn = (CompositeGraphicsNode)gn;
            r2d = addBounds(cgn, child, r2d);
        } else {
            Rectangle2D gnb = gn.getPrimitiveBounds();
            if (gnb != null)
                r2d.add(gnb);

View Full Code Here

            // System.out.println("Null GN Parent: " + child );
            return null;
        }


        if (gn instanceof CompositeGraphicsNode) {
            CompositeGraphicsNode cgn = (CompositeGraphicsNode)gn;
            // See if background is enabled.
            r2d = cgn.getBackgroundEnable();
        }


        // background has definite bounds so return them.
        if (r2d != null)
            return  r2d;

View Full Code Here

                 "'enable-background:new'");
        }


        Rectangle2D r2d = null;
        if (gn instanceof CompositeGraphicsNode) {
            CompositeGraphicsNode cgn = (CompositeGraphicsNode)gn;
            r2d = cgn.getBackgroundEnable();
        }


        List srcs = new ArrayList();      // this hides a member in a super-class!!
        if (r2d == null) {
            Rectangle2D paoi = aoi;
            AffineTransform at = gn.getTransform();
            if (at != null)
                paoi = at.createTransformedShape(aoi).getBounds2D();
            Filter f = getBackground(gn.getParent(), gn, paoi);


            // Don't add the nodes unless they will contribute.
            if ((f != null) && f.getBounds2D().intersects(aoi)) {
                srcs.add(f);
            }
        }


        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 +

View Full Code Here

                                     Object[] params) {
        String message = formatMessage(base, code, params);
        Map props = new HashMap();
        props.put(BROKEN_LINK_PROPERTY, message);


        CompositeGraphicsNode cgn = new CompositeGraphicsNode();
        return new GraphicsNodeRable8Bit(cgn, props);
    }

View Full Code Here

    }


    protected CanvasGraphicsNode getCanvasGraphicsNode(GraphicsNode gn) {
        if (!(gn instanceof CompositeGraphicsNode))
            return null;
        CompositeGraphicsNode cgn = (CompositeGraphicsNode)gn;
        List children = cgn.getChildren();
        if (children.size() == 0)
            return null;
        gn = (GraphicsNode)children.get(0);
        if (!(gn instanceof CanvasGraphicsNode))
            return null;

View Full Code Here

                                              Element e,
                                              SVGDocument imgDocument) {
        CSSEngine eng = ((SVGOMDocument)imgDocument).getCSSEngine();
        subCtx = ctx.createSubBridgeContext((SVGOMDocument)imgDocument);


        CompositeGraphicsNode result = new CompositeGraphicsNode();
        // handles the 'preserveAspectRatio', 'overflow' and 'clip' and
        // sets the appropriate AffineTransform to the image node
        Rectangle2D bounds = getImageBounds(ctx, e);


        if ((bounds.getWidth() == 0) || (bounds.getHeight() == 0)) {
            ShapeNode sn = new ShapeNode();
            sn.setShape(bounds);
            result.getChildren().add(sn);
            return result;
        }


        Rectangle2D r = CSSUtilities.convertEnableBackground(e);
        if (r != null) {
            result.setBackgroundEnable(r);
        }


        SVGSVGElement svgElement = imgDocument.getRootElement();
        CanvasGraphicsNode node;
        node = (CanvasGraphicsNode)subCtx.getGVTBuilder().build
            (subCtx, svgElement);


        if ((eng == null) && ctx.isInteractive()) {
            // If we "created" this document then add listerns.
            subCtx.addUIEventListeners(imgDocument);
        }


        // HACK: remove the clip set by the SVGSVGElement as the overflow
        // and clip properties must be ignored. The clip will be set later
        // using the overflow and clip of the <image> element.
        node.setClip(null);
        // HACK: remove the viewingTransform set by the SVGSVGElement
        // as the viewBox must be ignored. The viewingTransform will
        // be set later using the width/height of the image element.
        node.setViewingTransform(new AffineTransform());
        result.getChildren().add(node);


        // create the implicit viewBox for the SVG image. The viewBox for a
        // SVG image is the viewBox of the outermost SVG element of the SVG file
        String viewBox =
            svgElement.getAttributeNS(null, SVG_VIEW_BOX_ATTRIBUTE);

View Full Code Here

0 1 2 3 4 5 6 7 8 9

TOP

Related Classes of org.apache.batik.gvt.CompositeGraphicsNode

org.apache.batik.apps.svgbrowser.ThumbnailDialog

org.apache.batik.bridge.AbstractGraphicsNodeBridge

org.apache.batik.bridge.BridgeContext$CSSPropertiesChangedListener

org.apache.batik.bridge.svg12.BindableElementBridge

org.apache.batik.bridge.svg12.SVGFlowRootElementBridge

org.apache.batik.bridge.svg12.XBLContentElementBridge

org.apache.batik.bridge.svg12.XBLShadowTreeElementBridge

org.apache.batik.bridge.SVGAElementBridge

org.apache.batik.bridge.SVGBrokenLinkProvider

org.apache.batik.bridge.SVGGElementBridge

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.