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 $

    /**
     * Implementation of {@link
     * org.w3c.dom.svg.SVGTextContentElement#getExtentOfChar(int charnum)}.
     */
    protected Rectangle2D getExtentOfChar(Element element,int charnum ){
        TextNode textNode = getTextNode();


        AttributedCharacterIterator aci;
        aci = textNode.getAttributedCharacterIterator();
        if (aci == null) return null;


        int firstChar = getElementStartIndex(element);


        if ( firstChar == -1 )

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    /**
     * Implementation of {@link
     * org.w3c.dom.svg.SVGTextContentElement#getStartPositionOfChar(int charnum)}.
     */
    protected Point2D getStartPositionOfChar(Element element,int charnum){
        TextNode textNode = getTextNode();


        AttributedCharacterIterator aci;
        aci = textNode.getAttributedCharacterIterator();
        if (aci == null)
            return null;


        int firstChar = getElementStartIndex(element);
        if ( firstChar == -1 )

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    /**
     * Implementation of {@link
     * org.w3c.dom.svg.SVGTextContentElement#getEndPositionOfChar(int charnum)}.
     */
    protected Point2D getEndPositionOfChar(Element element,int charnum ){
        TextNode textNode = getTextNode();


        AttributedCharacterIterator aci;
        aci = textNode.getAttributedCharacterIterator();
        if (aci == null)
            return null;


        int firstChar = getElementStartIndex(element);
        if ( firstChar == -1 )

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    /**
     * Implementation of {@link
     * org.w3c.dom.svg.SVGTextContentElement#getRotationOfChar(int charnum)}.
     */
    protected float getRotationOfChar(Element element, int charnum){
        TextNode textNode = getTextNode();


        AttributedCharacterIterator aci;
        aci = textNode.getAttributedCharacterIterator();
        if (aci == null)
            return 0;


        //first the first character for the element
        int firstChar = getElementStartIndex(element);

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            return 0;
        }


        float length = 0;


        TextNode textNode = getTextNode();


        AttributedCharacterIterator aci;
        aci = textNode.getAttributedCharacterIterator();
        if (aci == null)
            return -1;


        int firstChar = getElementStartIndex(element);

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     *
     * TODO : report the selection to the selection
     *  manager in JSVGComponent.
     */
    protected void selectSubString(Element element, int charnum, int nchars) {
        TextNode textNode = getTextNode();


        AttributedCharacterIterator aci;
        aci = textNode.getAttributedCharacterIterator();
        if (aci == null)
            return;


        int firstChar = getElementStartIndex(element);


        if ( firstChar == -1 )
            return;


        List list = getTextRuns(textNode);


        int lastChar = getElementEndIndex(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 = getTextNode();


        AttributedCharacterIterator aci;
        aci = textNode.getAttributedCharacterIterator();
        if (aci == null)
            return -1;


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

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    public Set getTextIntersectionSet(AffineTransform at,
                                       Rectangle2D rect) {
        Set elems = new HashSet();


        TextNode tn = getTextNode();


        List list = tn.getTextRuns();
        if (list == null)
            return elems;


        for (int i = 0 ; i < list.size(); i++) {
            StrokingTextPainter.TextRun run;

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        return elems;
    }


    public Set getTextEnclosureSet(AffineTransform at,
                                    Rectangle2D rect) {
        TextNode tn = getTextNode();


        Set elems = new HashSet();
        List list = tn.getTextRuns();
        if (list == null)
            return elems;


        Set reject = new HashSet();
        for (int i = 0 ; i < list.size(); i++) {

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


        TextNode tn = txtBridge.getTextNode();
        List list = tn.getTextRuns();
        if (list == null)
            return false;


        Element  txtElem = txtBridge.e;


        AffineTransform at = tn.getGlobalTransform();
        at.preConcatenate(ati);


        Rectangle2D tnRect;
        tnRect = tn.getBounds();
        tnRect = at.createTransformedShape(tnRect).getBounds2D();
        if (!rect.intersects(tnRect)) return false;


        for (int i = 0 ; i < list.size(); i++) {
            StrokingTextPainter.TextRun run;

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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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