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

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

     * @param y the y coordinate of the point to be tested.
     */
    public TextHit hitTestChar(float x, float y) {
        int begin = 0;
        int end = gv.getNumGlyphs();
        TextHit textHit = null;
        GlyphMetrics gm;
        float maxX = (float) gv.getVisualBounds().getX();
        if (transform != null) {
            try {
                Point2D p = new Point2D.Float(x, y);
                transform.inverseTransform(p, p);
                x = (float) p.getX();
                y = (float) p.getY();
            } catch (java.awt.geom.NoninvertibleTransformException nite) {;}
        }
        for (int i=begin; i<end; ++i) {
            Shape gbounds = getGlyphLogicalBounds(i);


            Rectangle2D gbounds2d = gbounds.getBounds2D();


            if (gbounds2d.getX()+gbounds2d.getWidth() > maxX) {
                maxX = (float) (gbounds2d.getX()+gbounds2d.getWidth());
            }


            if (gbounds.contains(x, y)) {
                boolean isRightHalf =
                    (x > (gbounds2d.getX()+(gbounds2d.getWidth()/2d)));
                boolean isLeadingEdge = !isRightHalf;
                textHit = new TextHit(i, isLeadingEdge);
                return textHit;
            }
        }


        // fallthrough: in text bbox but not on a glyph

View Full Code Here

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


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

View Full Code Here


        // 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);
            }
        }

View Full Code Here

     * 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);
    }

View Full Code Here

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

View Full Code Here

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

View Full Code Here

     *     leading edge.
     * @param x the x coordinate of the point to be tested.
     * @param y the y coordinate of the point to be tested.
     */
    public TextHit hitTestChar(float x, float y) {
        TextHit textHit = null;
        GlyphMetrics gm;


        // if this layout is transformed, need to apply the inverse
        // transform to the point
        if (transform != null) {
            try {
                Point2D p = new Point2D.Float(x, y);
                transform.inverseTransform(p, p);
                x = (float) p.getX();
                y = (float) p.getY();
            } catch (java.awt.geom.NoninvertibleTransformException nite) {;}
        }


        for (int i = 0; i < gv.getNumGlyphs(); i++) {


            Shape gbounds = gv.getGlyphLogicalBounds(i);
            if (gbounds != null) {
                Rectangle2D gbounds2d = gbounds.getBounds2D();


                if (gbounds.contains(x, y)) {
                    boolean isRightHalf =
                        (x > (gbounds2d.getX()+(gbounds2d.getWidth()/2d)));
                    boolean isLeadingEdge = !isRightHalf;
                    textHit = new TextHit(i, isLeadingEdge);
                    return textHit;
                }
            }
        }

View Full Code Here


        // 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.getBounds().contains(x,y)) {
                textHit.setTextNode(node);
                textHit.setFontRenderContext(frc);
                cachedMark = new BasicTextPainter.Mark(x, y, layout, textHit);
                cachedNode = node;
                return cachedMark;
            }
        }


        if (cachedNode != node) {
            // did not hit any of the layouts and the cachedMark is invalid for
            // this text node, so create a dummy mark
            TextHit textHit = new TextHit(0,false);
            textHit.setTextNode(node);
            textHit.setFontRenderContext(frc);
            cachedMark = new BasicTextPainter.Mark(x,y,((TextRun)textRuns.get(0)).getLayout(), textHit);
            cachedNode = node;
        }
         return cachedMark;
    }

View Full Code Here

        // store the textRuns in the textNode for much quicker highlighting
        // note that we can't set this earlier because of problems with
        // caching the info
        node.setTextRuns(textRuns);


        TextHit textHit = new TextHit(0,false);
        textHit.setTextNode(node);
        textHit.setFontRenderContext(frc);
        cachedMark = new BasicTextPainter.Mark(x,y,((TextRun)textRuns.get(0)).getLayout(), textHit);
        cachedNode = node;
        return cachedMark;
    }

View Full Code Here

        // caching the info
        node.setTextRuns(textRuns);


        TextSpanLayout lastLayout = ((TextRun)textRuns.get(textRuns.size()-1)).getLayout();
        int lastGlyphIndex = lastLayout.getGlyphCount()-1;
        TextHit textHit = new TextHit(lastGlyphIndex,false);
        textHit.setTextNode(node);
        textHit.setFontRenderContext(frc);
        cachedMark = new BasicTextPainter.Mark(x,y,lastLayout,textHit);
        cachedNode = node;
        return cachedMark;
    }

View Full Code Here

0 1 2 3 4 5 6 7 8 9

TOP

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

org.apache.batik.bridge.BridgeEventSupport$Listener

org.apache.batik.bridge.SVGTextElementBridge

org.apache.batik.gvt.renderer.StrokingTextPainter

org.apache.batik.gvt.text.GlyphLayout

org.apache.batik.gvt.text.TextLayoutAdapter

org.apache.batik.gvt.TextNode

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.