Examples of org.apache.flex.forks.batik.gvt.text.TextHit

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

Examples of org.apache.flex.forks.batik.gvt.text.TextHit

org.apache.flex.forks.batik.gvt.text.TextHit
Class that encapsulates information returned from hit testing a TextSpanLayout instance. @see org.apache.flex.forks.batik.gvt.text.TextSpanLayout @author Bill Haneman @version $Id: TextHit.java,v 1.13 2005/03/27 08:58:35 cam Exp $

                            (StrokingTextPainter.TextRun)list.get(i);
                        AttributedCharacterIterator aci = run.getACI();
                        TextSpanLayout layout = run.getLayout();
                        float x = (float)pt.getX();
                        float y = (float)pt.getY();
                        TextHit textHit = layout.hitTestChar(x, y);
                        Rectangle2D bounds = layout.getBounds2D();
                        if ((textHit != null) && 
                            (bounds != null) && bounds.contains(x, y)) {
                            Object delimiter = aci.getAttribute
                                (GVTAttributedCharacterIterator.TextAttribute.TEXT_COMPOUND_DELIMITER);

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


        //going backward in the list to catch the last character
        // displayed at that position
        TextHit hit = null;


        for( int i = list.size()-1 ; i>= 0 && hit == null; i-- ){


            hit = ((StrokingTextPainter.TextRun)list.get(i)).getLayout().hitTestChar(x,y);
        }


        if ( hit == null ){
            return -1;
        }


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


        //found an hit, check if it belong to the element
        int first = getElementStartIndex( aci, e );
        int last  = getElementEndIndex( aci, e );


        int hitIndex = hit.getCharIndex();


        if ( hitIndex >= first && hitIndex <= last ){
            
            return hitIndex - first;
        }

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            StrokingTextPainter.TextRun run =
                (StrokingTextPainter.TextRun)list.get(i);
            TextSpanLayout layout = run.getLayout();
            float x = (float)p.getX();
            float y = (float)p.getY();
            TextHit textHit = layout.hitTestChar(x, y);
            if (textHit != null && contains(p, layout.getBounds2D())) {
                return true;
            }
        }
        return false;

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        aci = node.getAttributedCharacterIterator();
        if ((index < aci.getBeginIndex()) ||
            (index > aci.getEndIndex()))
            return null;


        TextHit textHit = new TextHit(index, leadingEdge);
        return new BasicTextPainter.BasicMark(node, textHit);
    }

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        // for each text run, see if its been hit
        for (int i = 0; i < textRuns.size(); ++i) {
            TextRun textRun = (TextRun)textRuns.get(i);
            TextSpanLayout layout = textRun.getLayout();
            TextHit textHit = layout.hitTestChar((float) x, (float) y);
            if (textHit != null && layout.getBounds2D().contains(x,y)) {
                return new BasicTextPainter.BasicMark(node, textHit);
            }
        }

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     * Selects the first glyph in the text node.
     */
    public Mark selectFirst(TextNode node) {
        AttributedCharacterIterator aci;
        aci = node.getAttributedCharacterIterator();
        TextHit textHit = new TextHit(aci.getBeginIndex(), false);
        return new BasicTextPainter.BasicMark(node, textHit);
    }

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     * Selects the last glyph in the text node.
     */
    public Mark selectLast(TextNode node) {
        AttributedCharacterIterator aci;
        aci = node.getAttributedCharacterIterator();
        TextHit textHit = new TextHit(aci.getEndIndex()-1, false);
        return  new BasicTextPainter.BasicMark(node, textHit);
    }

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     *     leading edge.
     */
    public TextHit hitTestChar(float x, float y) {
        syncLayout();


        TextHit textHit = null;


        int currentChar = 0;
        for (int i = 0; i < gv.getNumGlyphs(); i++) {
            Shape gbounds = gv.getGlyphLogicalBounds(i);
            if (gbounds != null) {
                Rectangle2D gbounds2d = gbounds.getBounds2D();
                // System.out.println("Hit Test: [" + x + ", " + y + "] - " +
                //                    gbounds2d);
                if (gbounds.contains(x, y)) {
                    boolean isRightHalf =
                        (x > (gbounds2d.getX()+(gbounds2d.getWidth()/2d)));
                    boolean isLeadingEdge = !isRightHalf;
                    int charIndex = charMap[currentChar];
                    textHit = new TextHit(charIndex, isLeadingEdge);
                    return textHit;
                }
            }
            currentChar += getCharacterCount(i, i);
            if (currentChar >= charMap.length)

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            StrokingTextPainter.TextRun run =
                (StrokingTextPainter.TextRun)list.get(i);
            TextSpanLayout layout = run.getLayout();
            float x = (float)p.getX();
            float y = (float)p.getY();
            TextHit textHit = layout.hitTestChar(x, y);
            if (textHit != null && contains(p, layout.getBounds2D())) {
                return true;
            }
        }
        return false;

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        if ((index < aci.getBeginIndex()) ||
            (index > aci.getEndIndex()))
            return null;


        TextHit textHit = new TextHit(index, leadingEdge);
        return new BasicTextPainter.BasicMark(node, textHit);
    }

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Related Classes of org.apache.flex.forks.batik.gvt.text.TextHit

org.apache.flex.forks.batik.bridge.BridgeEventSupport$Listener

org.apache.flex.forks.batik.bridge.SVGTextElementBridge

org.apache.flex.forks.batik.gvt.renderer.StrokingTextPainter

org.apache.flex.forks.batik.gvt.text.GlyphLayout

org.apache.flex.forks.batik.gvt.TextNode

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