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

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


        List textRuns = getTextRuns(node, aci);

        // 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);
            }
        }

        return null;
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        // get the list of text runs
        List textRuns = getTextRuns(textNode, aci);
        Iterator trI = textRuns.iterator();
        int startGlyphIndex = -1;
        int endGlyphIndex = -1;
        TextSpanLayout startLayout=null, endLayout=null;
        while (trI.hasNext()) {
            TextRun tr = (TextRun)trI.next();
            TextSpanLayout tsl = tr.getLayout();
            if (startGlyphIndex == -1) {
                startGlyphIndex  = tsl.getGlyphIndex(result[0]);
                if (startGlyphIndex != -1)
                    startLayout = tsl;
            }
               
            if (endGlyphIndex == -1) {
                endGlyphIndex = tsl.getGlyphIndex(result[1]);
                if (endGlyphIndex != -1)
                    endLayout = tsl;
            }
            if ((startGlyphIndex != -1) && (endGlyphIndex != -1))
                break;
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        // for each text run, append any highlight it may contain for
        // the current selection
        for (int i = 0; i < textRuns.size(); ++i) {
            TextRun textRun = (TextRun)textRuns.get(i);
            TextSpanLayout layout = textRun.getLayout();

            Shape layoutHighlightedShape = layout.getHighlightShape
                (beginIndex, endIndex);

            // append the highlighted shape of this layout to the
            // overall hightlighted shape
            if (( layoutHighlightedShape != null) &&
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        List list = getTextRuns();
        // place coords in text node coordinate system
        for (int i = 0 ; i < list.size(); i++) {
            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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        // we now lay all aci's out at 0,0 then move them
        // when we adjust the chunk offsets.
        Point2D.Float offset        = new Point2D.Float(0,0);
        Point2D.Float advance       = new Point2D.Float(0,0);
        boolean isChunkStart  = true;
        TextSpanLayout layout = null;
        do {
            int start = aci.getRunStart(extendedAtts);
            int end   = aci.getRunLimit(extendedAtts);

            AttributedCharacterIterator runaci;
            runaci = new AttributedCharacterSpanIterator(aci, start, end);

            int [] subCharMap = new int[end-start];
            System.arraycopy( charMap, start - begin, subCharMap, 0, subCharMap.length );

            FontRenderContext frc = fontRenderContext;
            RenderingHints rh = node.getRenderingHints();
            // Check for optimizeSpeed, optimizeLegibility
            // in these cases setup hintedFRC
            if ((rh != null) &&
                (rh.get(RenderingHints.KEY_TEXT_ANTIALIASING) ==
                  RenderingHints.VALUE_TEXT_ANTIALIAS_OFF)) {
                // In both these cases we want the non-antialiased
                // font render context.
                frc = aaOffFontRenderContext;
            }

            layout = getTextLayoutFactory().createTextLayout
                (runaci, subCharMap, offset, frc);

            textRuns.add(new TextRun(layout, runaci, isChunkStart));
            // System.out.println("TextRun: " + start +  "->" + end +
            //                    " Start: " + isChunkStart);

            Point2D layoutAdvance = layout.getAdvance2D();
            // System.out.println("layoutAdv: " + layoutAdvance);
            advance.x +=  (float)layoutAdvance.getX();
            advance.y +=  (float)layoutAdvance.getY();

            ++endChunk;
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        float xScale = 1;
        float yScale = 1;

        r = (TextRun)textRuns.get(chunk.end-1);
        TextSpanLayout  layout          = r.getLayout();
        GVTGlyphMetrics lastMetrics =
            layout.getGlyphMetrics(layout.getGlyphCount()-1);
        GVTLineMetrics  lastLineMetrics = layout.getLineMetrics();
        Rectangle2D     lastBounds  = lastMetrics.getBounds2D();
        float halfLeading = (lastMetrics.getVerticalAdvance()-
                               (lastLineMetrics.getAscent() +
                                lastLineMetrics.getDescent()))/2;
        float lastW = (float)(lastBounds.getWidth()  + lastBounds.getX());
        float lastH = (float)(halfLeading + lastLineMetrics.getAscent() +
                              (lastBounds.getHeight() + lastBounds.getY()));
        Point2D visualAdvance;

        if (!doAdjust) {
            // System.err.println("Anchor: " + anchorType);
            // System.err.println("Advance: " + chunk.advance);
            // System.err.println("LastBounds: " + lastBounds);
            // System.err.println("LastMetrics.hadv: " +
            //                    lastMetrics.getHorizontalAdvance());
            // System.err.println("LastMetrics.vadv: " +
            //                    lastMetrics.getVerticalAdvance());

            visualAdvance = new Point2D.Float
            ((float)(chunk.advance.getX() + lastW -
                     lastMetrics.getHorizontalAdvance()),
             (float)(chunk.advance.getY() - lastMetrics.getVerticalAdvance() +
                     lastH));
        } else {
            Point2D advance    = chunk.advance;

            // We have to do this here since textLength needs to be
            // handled at the text chunk level. Otherwise tspans get
            // messed up.
            if (layout.isVertical()) {
                if (lengthAdj == ADJUST_SPACING) {
                    yScale = (float)
                        ((length.floatValue()-lastH)/
                         (advance.getY()-lastMetrics.getVerticalAdvance()));
                } else {
                    double adv =(advance.getY()-
                                 lastMetrics.getVerticalAdvance() + lastH);
                    yScale = (float)(length.floatValue()/adv);
                }
                visualAdvance = new Point2D.Float(0, length.floatValue());
            } else {
                if (lengthAdj == ADJUST_SPACING) {
                    xScale = (float)
                        ((length.floatValue()-lastW)/
                         (advance.getX()-lastMetrics.getHorizontalAdvance()));
                } else {
                    double adv = (advance.getX() + lastW -
                                  lastMetrics.getHorizontalAdvance());
                    xScale = (float)(length.floatValue()/adv);
                }
                visualAdvance = new Point2D.Float(length.floatValue(), 0);
            }

            // System.out.println("Adv: " + advance + " Len: " + length +
            //                    " scale: [" + xScale + ", " + yScale + "]");
            Point2D.Float adv = new Point2D.Float(0,0);
            for (int n=chunk.begin; n<chunk.end; ++n) {
                r = (TextRun) textRuns.get(n);
                layout = r.getLayout();
                layout.setScale(xScale, yScale, lengthAdj==ADJUST_SPACING);
                Point2D lAdv = layout.getAdvance2D();
                adv.x += (float)lAdv.getX();
                adv.y += (float)lAdv.getY();
            }
            chunk.advance = adv;
        }

        float dx = 0f;
        float dy = 0f;
        switch(anchorType){
        case TextNode.Anchor.ANCHOR_MIDDLE:
            dx = (float) (-visualAdvance.getX()/2d);
            dy = (float) (-visualAdvance.getY()/2d);
            break;
        case TextNode.Anchor.ANCHOR_END:
            dx = (float) (-visualAdvance.getX());
            dy = (float) (-visualAdvance.getY());
            break;
        default:
            break;
            // leave untouched
        }

        // System.out.println("DX/DY: [" + dx + ", " + dy + "]");

        r = (TextRun) textRuns.get(chunk.begin);
        layout = r.getLayout();
        AttributedCharacterIterator runaci = r.getACI();
        runaci.first();
        boolean vertical = layout.isVertical();
        Float runX = (Float) runaci.getAttribute(XPOS);
        Float runY = (Float) runaci.getAttribute(YPOS);
        TextPath textPath =  (TextPath) runaci.getAttribute(TEXTPATH);

        // The point that the next peice of normal text should be
        // layed out from, only used for normal text not text on a path.
        float absX = (float)location.getX();
        float absY = (float)location.getY();
        // TextPath Shift used to account for startOffset.
        float tpShiftX = 0;
        float tpShiftY = 0;

        // Of course X and Y override that, but they don't apply for
        // text on a path.
        if ((runX != null) && (!runX.isNaN())) {
            absX = runX.floatValue();
            tpShiftX = absX;
        }

        if ((runY != null) && (!runY.isNaN())) {
            absY = runY.floatValue();
            tpShiftY = absY;
        }

        // Factor in text-anchor in writing direction.
        // Ignore tpShift in non-writing direction.
        if (vertical) {
            absY     += dy;
            tpShiftY += dy;
            tpShiftX  = 0;
        } else {
            absX     += dx;
            tpShiftX += dx;
            tpShiftY  = 0;
        }

        // System.out.println("ABS: [" + absX + "," + absY + "," +
        //                    visualAdvance.getX() + "," +
        //                    visualAdvance.getY() + "]");
        for (int n=chunk.begin; n<chunk.end; ++n) {
            r = (TextRun) textRuns.get(n);
            layout = r.getLayout();
            runaci = r.getACI();
            runaci.first();
            textPath =  (TextPath) runaci.getAttribute(TEXTPATH);
            if (vertical) {
                runX = (Float) runaci.getAttribute(XPOS);
                if ((runX != null) && (!runX.isNaN())) {
                    absX = runX.floatValue();
                }
            } else {
                runY = (Float) runaci.getAttribute(YPOS);
                if ((runY != null) && (!runY.isNaN())) {
                    absY = runY.floatValue();
                }
            }

            if (textPath == null) {
                layout.setOffset(new Point2D.Float(absX, absY));

                Point2D ladv = layout.getAdvance2D();
                absX += ladv.getX();
                absY += ladv.getY();
            } else {
                layout.setOffset(new Point2D.Float(tpShiftX, tpShiftY));

                Point2D ladv = layout.getAdvance2D();
                tpShiftX += (float)ladv.getX();
                tpShiftY += (float)ladv.getY();

                ladv = layout.getTextPathAdvance();
                absX = (float)ladv.getX();
                absY = (float)ladv.getY();
            }
        }
        return new Point2D.Float(absX, absY);
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        // for each text run, get its outline and append it to the overall
        // outline

        for (int i = 0; i < textRuns.size(); ++i) {
            TextRun textRun = (TextRun)textRuns.get(i);
            TextSpanLayout textRunLayout = textRun.getLayout();
            GeneralPath textRunOutline =
                new GeneralPath(textRunLayout.getOutline());

            if (outline == null) {
               outline = textRunOutline;
            } else {
                outline.setWindingRule(GeneralPath.WIND_NON_ZERO);
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        Rectangle2D bounds = null;
        // for each text run, get its stroke outline and append it to
        // the overall outline
        for (int i = 0; i < textRuns.size(); ++i) {
            TextRun textRun = (TextRun)textRuns.get(i);
            TextSpanLayout textRunLayout = textRun.getLayout();
            Rectangle2D runBounds = textRunLayout.getBounds2D();
            if (runBounds != null) {
                if (bounds == null)
                    bounds = runBounds;
                else
                    //bounds = bounds.createUnion(runBounds);
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        List textRuns = getTextRuns(node, aci);

        // 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);
            }
        }

        return null;
View Full Code Here

        // get the list of text runs
        List textRuns = getTextRuns(textNode, aci);
        Iterator trI = textRuns.iterator();
        int startGlyphIndex = -1;
        int endGlyphIndex = -1;
        TextSpanLayout startLayout=null, endLayout=null;
        while (trI.hasNext()) {
            TextRun tr = (TextRun)trI.next();
            TextSpanLayout tsl = tr.getLayout();
            if (startGlyphIndex == -1) {
                startGlyphIndex  = tsl.getGlyphIndex(result[0]);
                if (startGlyphIndex != -1)
                    startLayout = tsl;
            }

            if (endGlyphIndex == -1) {
                endGlyphIndex = tsl.getGlyphIndex(result[1]);
                if (endGlyphIndex != -1)
                    endLayout = tsl;
            }
            if ((startGlyphIndex != -1) && (endGlyphIndex != -1))
                break;
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