Examples of org.apache.batik.gvt.TextNode

org.apache.batik.gvt.TextNode
A graphics node that represents text. @author Thierry Kormann @version $Id: TextNode.java,v 1.25 2002/08/12 20:34:34 deweese Exp $

            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();
                // place coords in text node coordinate system
                try {
                    node.getGlobalTransform().createInverse().transform(coords, coords);
                } catch (NoninvertibleTransformException ex) {
                }

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        } catch (ClassCastException cce) {
            throw new
            Error("This Mark was not instantiated by this TextPainter class!");
        }


        TextNode textNode = start.getTextNode();
        if (textNode != finish.getTextNode()) 
            throw new Error("Markers are from different TextNodes!");


        AttributedCharacterIterator aci;
        aci = textNode.getAttributedCharacterIterator();
                             
        int[] result = new int[2];
        result[0] = start.getHit().getCharIndex();
        result[1] = finish.getHit().getCharIndex();

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        } catch (ClassCastException cce) {
            throw new Error
                ("This Mark was not instantiated by this TextPainter class!");
        }


        TextNode textNode = begin.getTextNode();
        if (textNode != end.getTextNode()) 
            throw new Error("Markers are from different TextNodes!");
        if (textNode == null)
            return null;


        int beginIndex = begin.getHit().getCharIndex();
        int endIndex   = end.getHit().getCharIndex();
        if (beginIndex > endIndex) {
            // Swap them...
            BasicTextPainter.BasicMark tmpMark = begin;
            begin = end; end = tmpMark;


            int tmpIndex = beginIndex;
            beginIndex = endIndex; endIndex = tmpIndex;
        }


        // get the list of text runs
        List textRuns = getTextRuns
            (textNode, textNode.getAttributedCharacterIterator());


        GeneralPath highlightedShape = new GeneralPath();


        // for each text run, append any highlight it may contain for
        // the current selection

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        } catch (ClassCastException cce) {
            throw new
            Error("This Mark was not instantiated by this TextPainter class!");
        }


        TextNode textNode = start.getTextNode();
        if (textNode != finish.getTextNode()) 
            throw new Error("Markers are from different TextNodes!");


        AttributedCharacterIterator aci;
        aci = textNode.getAttributedCharacterIterator();
                             
        int[] result = new int[2];
        result[0] = start.getHit().getCharIndex();
        result[1] = finish.getHit().getCharIndex();

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        } catch (ClassCastException cce) {
            throw new Error
                ("This Mark was not instantiated by this TextPainter class!");
        }


        TextNode textNode = begin.getTextNode();
        if (textNode != end.getTextNode()) 
            throw new Error("Markers are from different TextNodes!");
        if (textNode == null)
            return null;


        int beginIndex = begin.getHit().getCharIndex();
        int endIndex   = end.getHit().getCharIndex();
        if (beginIndex > endIndex) {
            // Swap them...
            BasicTextPainter.BasicMark tmpMark = begin;
            begin = end; end = tmpMark;


            int tmpIndex = beginIndex;
            beginIndex = endIndex; endIndex = tmpIndex;
        }


        // get the list of text runs
        List textRuns = getTextRuns
            (textNode, textNode.getAttributedCharacterIterator());


        GeneralPath highlightedShape = new GeneralPath();


        // for each text run, append any highlight it may contain for
        // the current selection

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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 = CSSUtilities.convertTextRendering(e, null);
        hints = CSSUtilities.convertColorRendering(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()) {
            layoutedText = new AttributedString(as.getIterator());
        }
        TextNode tn = (TextNode)node;
        tn.setAttributedCharacterIterator(as.getIterator());
        TextDecoration textDecoration = 
            getTextDecoration(e, tn, new TextDecoration(), ctx);
        addPaintAttributes(as, e, tn, textDecoration, ctx);
        tn.setAttributedCharacterIterator(as.getIterator());
    }

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        case SVGCSSEngine.STROKE_DASHARRAY_INDEX:
        case SVGCSSEngine.STROKE_DASHOFFSET_INDEX:
        case SVGCSSEngine.TEXT_DECORATION_INDEX: {
            if (!hasNewACI) {
                hasNewACI = true;
                TextNode tn = (TextNode)node;
                AttributedString as;


                TextDecoration parentDecoration;


                if ( cssProceedElement == e ){
                    parentDecoration = new TextDecoration();
                    as = new AttributedString(layoutedText.getIterator());
                }
                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
                    parentDecoration = getParentTextDecoration
                        (tn.getAttributedCharacterIterator(), 
                         cssProceedElement);
                    as = new AttributedString
                        (tn.getAttributedCharacterIterator());
                }
                tn.setAttributedCharacterIterator(as.getIterator());
                TextDecoration textDecoration = getTextDecoration
                    (cssProceedElement, tn, parentDecoration, ctx);
                addPaintAttributes
                    (as, cssProceedElement, tn, textDecoration, ctx);
                tn.setAttributedCharacterIterator(as.getIterator());
            }
            break;
        }
        case SVGCSSEngine.TEXT_RENDERING_INDEX: {
            RenderingHints hints = node.getRenderingHints();

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     * org.w3c.dom.svg.SVGTextContentElement#getEndPositionOfChar(int charnum)}.
     */
    protected Point2D getEndPositionOfChar(Element element,int charnum ){


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


        int firstChar = getFirstCharacterIndexForElement(aci,element);


        if ( firstChar == -1 )
            return null;

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

org.apache.batik.apps.svgbrowser.FindDialog

org.apache.batik.bridge.BridgeEventSupport$Listener

org.apache.batik.bridge.SVGTextElementBridge

org.apache.batik.gvt.renderer.StrokingTextPainter

org.apache.batik.gvt.text.AttributedCharacterSpanIterator

org.apache.batik.gvt.text.ConcreteTextSelector

org.apache.batik.gvt.text.Mark

org.apache.batik.gvt.text.TextHit

org.apache.batik.gvt.text.TextSpanLayout

org.apache.batik.gvt.TextSelectionTest

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