Examples of org.apache.flex.forks.batik.gvt.TextNode$Anchor

org.apache.flex.forks.batik.gvt.TextNode
Defines where the text of a TextNode can be anchored relative to its location.

            Element target = context.getElement(node);
            // Lookup inside the text element children to see if the target
            // is a tspan or textPath


            if (target != null && node instanceof TextNode) {
    TextNode textNode = (TextNode)node;
    List list = textNode.getTextRuns();
                Point2D pt = (Point2D)coords.clone();
                // place coords in text node coordinate system
                try {
                    node.getGlobalTransform().createInverse().transform(pt, pt);
                } catch (NoninvertibleTransformException ex) {

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            childCtx = (AbstractTextChildSVGContext)svgCtx;
            txtBridge = childCtx.getTextBridge();
        }
        if (txtBridge == null) return null;


        TextNode tn      = (TextNode)txtBridge.node;
        Element  txtElem = txtBridge.e;


        Rectangle2D ret = null;
        List list = tn.getTextRuns();
        if (list == null) return null;
        for (int i = 0 ; i < list.size(); i++) {
            StrokingTextPainter.TextRun run;
            run = (StrokingTextPainter.TextRun)list.get(i);
            TextSpanLayout layout = run.getLayout();

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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) {
        TextNode node = (TextNode)super.createGraphicsNode(ctx, e);
        if (node == null)
            return null;


        // specify the text painter to use
        if (ctx.getTextPainter() != null)
            node.setTextPainter(ctx.getTextPainter());


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


        node.setLocation(getLocation(ctx, e));


        return node;
    }

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    /**
     * Creates the GraphicsNode depending on the GraphicsNodeBridge
     * implementation.
     */
    protected GraphicsNode instantiateGraphicsNode() {
        return new TextNode();
    }

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        AttributedString as = buildAttributedString(ctx, e);
        addGlyphPositionAttributes(as, e, ctx);
        if (ctx.isDynamic()) {
            laidoutText = new AttributedString(as.getIterator());
        }
        TextNode tn = (TextNode)node;
        elemTPI.clear();
        // Add null TPI objects to the text (after we set it on the
        // Text we will swap in the correct values.
        addNullPaintAttributes(as, e, ctx);


        // Install the ACI in the text node.
        tn.setAttributedCharacterIterator(as.getIterator());


        // Now get the real paint into - this needs to
        // wait until the text node is laidout so we can get
        // objectBoundingBox info.
        TextPaintInfo pi = new TextPaintInfo();
        setBaseTextPaintInfo(pi, e, node, ctx);
        // This get's Overline/underline info.
        setDecorationTextPaintInfo(pi, e);
        // Install the attributes.
        addPaintAttributes(as, e, tn, pi, ctx);


        if (usingComplexSVGFont) {
            // Force Complex SVG fonts to be recreated, if we have them.
            tn.setAttributedCharacterIterator(as.getIterator());
        }
    }

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    protected void rebuildACI() {
        if (hasNewACI)
            return;


        TextNode tn = (TextNode)node;


        TextPaintInfo pi, oldPI;
        if ( cssProceedElement == e ){
            pi = new TextPaintInfo();
            setBaseTextPaintInfo(pi, e, node, ctx);
            setDecorationTextPaintInfo(pi, e);
            oldPI = (TextPaintInfo)elemTPI.get(e);
        } else {
            //if a child CSS property has changed, then
            //retrieve the parent text decoration
            //and only update the section of the AtrtibutedString of
            //the child
            TextPaintInfo parentPI;
            parentPI = getParentTextPaintInfo
                (tn.getAttributedCharacterIterator(), cssProceedElement);
            pi = getTextPaintInfo(cssProceedElement, tn, parentPI, ctx);
            oldPI = (TextPaintInfo)elemTPI.get(cssProceedElement);
        }
        if (oldPI == null) return;


        tn.swapTextPaintInfo(pi, oldPI);
        if (usingComplexSVGFont) 
            // Force Complex SVG fonts to be recreated
            tn.setAttributedCharacterIterator
                (tn.getAttributedCharacterIterator());
    }

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        float length = 0;


        AttributedCharacterIterator aci;
        aci = ((TextNode)node).getAttributedCharacterIterator();
        TextNode textNode = (TextNode)node;


        int firstChar = getElementStartIndex(aci,element);


        if ( firstChar == -1 )
            return -1;

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     *  manager in JSVGComponent.
     */
    protected void selectSubString(Element element, int charnum, int nchars) {
        AttributedCharacterIterator aci;
        aci = ((TextNode)node).getAttributedCharacterIterator();
        TextNode textNode = (TextNode)node;


        int firstChar = getElementStartIndex(aci,element);


        if ( firstChar == -1 )
            return;


        List list = getTextRuns(textNode);


        int lastChar = getElementEndIndex(aci,element);


        CharacterInformation firstInfo, lastInfo;
        firstInfo = getCharacterInformation(list, firstChar,charnum,aci);
        lastInfo  = getCharacterInformation(list, firstChar,charnum+nchars-1,aci);
        
        Mark firstMark, lastMark;
        firstMark = textNode.getMarkerForChar(firstInfo.characterIndex,true);


        if ( lastInfo != null && lastInfo.characterIndex <= lastChar ){
            lastMark = textNode.getMarkerForChar(lastInfo.characterIndex,false);
        }
        else{
            lastMark = textNode.getMarkerForChar(lastChar,false);
        }


        ctx.getUserAgent().setTextSelection(firstMark,lastMark);
    }

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        ctx.getUserAgent().setTextSelection(firstMark,lastMark);
    }


    protected int getCharNumAtPosition(Element e, float x, float y){
        
        TextNode textNode = (TextNode)node;


        //check if there is an hit
        List list = getTextRuns(textNode);


        //going backward in the list to catch the last character

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    }




    public Set getTextIntersectionSet(AffineTransform at,
                                       Rectangle2D rect) {
        TextNode tn  = (TextNode)node;
        List list = tn.getTextRuns();
        Set elems = new HashSet();
        for (int i = 0 ; i < list.size(); i++) {
            StrokingTextPainter.TextRun run;
            run = (StrokingTextPainter.TextRun)list.get(i);
            TextSpanLayout layout = run.getLayout();

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