Package org.apache.fop.layoutmgr

Examples of org.apache.fop.layoutmgr.LeafPosition

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                // linefeed; this can happen when linefeed-treatment="preserve"
                // add a penalty item to the list and start a new sequence
                if (lineEndBAP != 0) {
                    sequence.add
                        (new KnuthGlue(lineEndBAP, 0, 0,
                                       new LeafPosition(this, -1), true));
                }
                sequence.endSequence();
                sequence = new InlineKnuthSequence();
                returnList.add(sequence);
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        // old list contains only a box, or the sequence: box penalty glue box;
        // look at the Position stored in the first element in oldList
        // which is always a box
        ListIterator oldListIterator = oldList.listIterator();
        KnuthElement el = (KnuthElement)oldListIterator.next();
        LeafPosition pos = (LeafPosition) ((KnuthBox) el).getPosition();
        AreaInfo ai = (AreaInfo) vecAreaInfo.get(pos.getLeafPos());
        ai.iLScount++;
        ai.ipdArea.add(letterSpaceIPD);
        if (BREAK_CHARS.indexOf(textArray[iTempStart - 1]) >= 0) {
            // the last character could be used as a line break
            // append new elements to oldList
            oldListIterator = oldList.listIterator(oldList.size());
            oldListIterator.add(new KnuthPenalty(0, KnuthPenalty.FLAGGED_PENALTY, true,
                                                 new LeafPosition(this, -1), false));
            oldListIterator.add(new KnuthGlue(letterSpaceIPD.opt,
                                       letterSpaceIPD.max - letterSpaceIPD.opt,
                                       letterSpaceIPD.opt - letterSpaceIPD.min,
                                       new LeafPosition(this, -1), false));
        } else if (letterSpaceIPD.min == letterSpaceIPD.max) {
            // constant letter space: replace the box
            oldListIterator.set(new KnuthInlineBox(ai.ipdArea.opt, alignmentContext, pos, false));
        } else {
            // adjustable letter space: replace the glue
            oldListIterator.next(); // this would return the penalty element
            oldListIterator.next(); // this would return the glue element
            oldListIterator.set(new KnuthGlue(ai.iLScount * letterSpaceIPD.opt,
                                              ai.iLScount * (letterSpaceIPD.max - letterSpaceIPD.opt),
                                              ai.iLScount * (letterSpaceIPD.opt - letterSpaceIPD.min),
                                              new LeafPosition(this, -1), true));
        }
        return oldList;
    }
View Full Code Here
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    }

    private LinkedList createElementsForASpace(int alignment,
            AreaInfo ai, int leafValue) {
        LinkedList spaceElements = new LinkedList();
        LeafPosition mainPosition = new LeafPosition(this, leafValue);
       
        if (textArray[ai.iStartIndex] == CharUtilities.NBSPACE) {
            // a non-breaking space
            //TODO: other kinds of non-breaking spaces
            if (alignment == EN_JUSTIFY) {
                // the space can stretch and shrink, and must be preserved
                // when starting a line
                spaceElements.add(new KnuthInlineBox(0, null,
                        notifyPos(new LeafPosition(this, -1)), true));
                spaceElements.add(new KnuthPenalty(0, KnuthElement.INFINITE,
                        false, new LeafPosition(this, -1), false));
                spaceElements.add(new KnuthGlue(ai.ipdArea.opt, ai.ipdArea.max - ai.ipdArea.opt,
                        ai.ipdArea.opt - ai.ipdArea.min, mainPosition, false));
            } else {
                // the space does not need to stretch or shrink, and must be
                // preserved when starting a line
                spaceElements.add(new KnuthInlineBox(ai.ipdArea.opt, null,
                        mainPosition, true));
            }
        } else if (textArray[ai.iStartIndex] == CharUtilities.SPACE
                    && foText.getWhitespaceTreatment() == Constants.EN_PRESERVE) {
            // a breaking space that needs to be preserved
            switch (alignment) {
            case EN_CENTER:
                // centered text:
                // if the second element is chosen as a line break these elements
                // add a constant amount of stretch at the end of a line and at the
                // beginning of the next one, otherwise they don't add any stretch
                spaceElements.add(new KnuthGlue(lineEndBAP,
                        3 * LineLayoutManager.DEFAULT_SPACE_WIDTH, 0,
                        new LeafPosition(this, -1), false));
                spaceElements
                        .add(new KnuthPenalty(
                                0,
                                (textArray[ai.iStartIndex] == CharUtilities.NBSPACE
                                        ? KnuthElement.INFINITE
                                        : 0), false,
                                new LeafPosition(this, -1), false));
                spaceElements.add(new KnuthGlue(
                        - (lineStartBAP + lineEndBAP), -6
                        * LineLayoutManager.DEFAULT_SPACE_WIDTH, 0,
                        new LeafPosition(this, -1), false));
                spaceElements.add(new KnuthInlineBox(0, null,
                        notifyPos(new LeafPosition(this, -1)), false));
                spaceElements.add(new KnuthPenalty(0, KnuthElement.INFINITE,
                        false, new LeafPosition(this, -1), false));
                spaceElements.add(new KnuthGlue(ai.ipdArea.opt + lineStartBAP,
                        3 * LineLayoutManager.DEFAULT_SPACE_WIDTH, 0,
                        mainPosition, false));
                break;

            case EN_START: // fall through
            case EN_END:
                // left- or right-aligned text:
                // if the second element is chosen as a line break these elements
                // add a constant amount of stretch at the end of a line, otherwise
                // they don't add any stretch
                spaceElements.add(new KnuthGlue(lineEndBAP,
                        3 * LineLayoutManager.DEFAULT_SPACE_WIDTH, 0,
                        new LeafPosition(this, -1), false));
                spaceElements.add(new KnuthPenalty(0, 0, false,
                        new LeafPosition(this, -1), false));
                spaceElements.add(new KnuthGlue(
                        - (lineStartBAP + lineEndBAP), -3
                        * LineLayoutManager.DEFAULT_SPACE_WIDTH, 0,
                        new LeafPosition(this, -1), false));
                spaceElements.add(new KnuthInlineBox(0, null,
                        notifyPos(new LeafPosition(this, -1)), false));
                spaceElements.add(new KnuthPenalty(0,
                        KnuthElement.INFINITE, false, new LeafPosition(
                                this, -1), false));
                spaceElements.add(new KnuthGlue(ai.ipdArea.opt + lineStartBAP, 0, 0,
                        mainPosition, false));
                break;

            case EN_JUSTIFY:
                // justified text:
                // the stretch and shrink depends on the space width
                spaceElements.add(new KnuthGlue(lineEndBAP, 0, 0,
                        new LeafPosition(this, -1), false));
                spaceElements.add(new KnuthPenalty(0, 0, false,
                        new LeafPosition(this, -1), false));
                spaceElements.add(new KnuthGlue(
                        - (lineStartBAP + lineEndBAP), ai.ipdArea.max
                        - ai.ipdArea.opt, ai.ipdArea.opt - ai.ipdArea.min,
                        new LeafPosition(this, -1), false));
                spaceElements.add(new KnuthInlineBox(0, null,
                        notifyPos(new LeafPosition(this, -1)), false));
                spaceElements.add(new KnuthPenalty(0,
                        KnuthElement.INFINITE, false, new LeafPosition(
                                this, -1), false));
                spaceElements.add(new KnuthGlue(lineStartBAP + ai.ipdArea.opt, 0, 0,
                        mainPosition, false));
                break;

            default:
                // last line justified, the other lines unjustified:
                // use only the space stretch
                spaceElements.add(new KnuthGlue(lineEndBAP, 0, 0,
                        new LeafPosition(this, -1), false));
                spaceElements.add(new KnuthPenalty(0, 0, false,
                        new LeafPosition(this, -1), false));
                spaceElements.add(new KnuthGlue(
                        - (lineStartBAP + lineEndBAP), ai.ipdArea.max
                        - ai.ipdArea.opt, 0,
                        new LeafPosition(this, -1), false));
                spaceElements.add(new KnuthInlineBox(0, null,
                        notifyPos(new LeafPosition(this, -1)), false));
                spaceElements.add(new KnuthPenalty(0,
                        KnuthElement.INFINITE, false, new LeafPosition(
                                this, -1), false));
                spaceElements.add(new KnuthGlue(lineStartBAP + ai.ipdArea.opt, 0, 0,
                        mainPosition, false));
            }
        } else {
            // a (possible block) of breaking spaces
            switch (alignment) {
            case EN_CENTER:
                // centered text:
                // if the second element is chosen as a line break these elements
                // add a constant amount of stretch at the end of a line and at the
                // beginning of the next one, otherwise they don't add any stretch
                spaceElements.add(new KnuthGlue(lineEndBAP,
                        3 * LineLayoutManager.DEFAULT_SPACE_WIDTH, 0,
                        new LeafPosition(this, -1), false));
                spaceElements
                        .add(new KnuthPenalty(
                                0, 0, false,
                                new LeafPosition(this, -1), false));
                spaceElements.add(new KnuthGlue(ai.ipdArea.opt
                        - (lineStartBAP + lineEndBAP), -6
                        * LineLayoutManager.DEFAULT_SPACE_WIDTH, 0,
                        mainPosition, false));
                spaceElements.add(new KnuthInlineBox(0, null,
                        notifyPos(new LeafPosition(this, -1)), false));
                spaceElements.add(new KnuthPenalty(0, KnuthElement.INFINITE,
                        false, new LeafPosition(this, -1), false));
                spaceElements.add(new KnuthGlue(lineStartBAP,
                        3 * LineLayoutManager.DEFAULT_SPACE_WIDTH, 0,
                        new LeafPosition(this, -1), false));
                break;

            case EN_START: // fall through
            case EN_END:
                // left- or right-aligned text:
                // if the second element is chosen as a line break these elements
                // add a constant amount of stretch at the end of a line, otherwise
                // they don't add any stretch
                if (lineStartBAP != 0 || lineEndBAP != 0) {
                    spaceElements.add(new KnuthGlue(lineEndBAP,
                            3 * LineLayoutManager.DEFAULT_SPACE_WIDTH, 0,
                            new LeafPosition(this, -1), false));
                    spaceElements.add(new KnuthPenalty(0, 0, false,
                            new LeafPosition(this, -1), false));
                    spaceElements.add(new KnuthGlue(ai.ipdArea.opt
                            - (lineStartBAP + lineEndBAP), -3
                            * LineLayoutManager.DEFAULT_SPACE_WIDTH, 0,
                            mainPosition, false));
                    spaceElements.add(new KnuthInlineBox(0, null,
                            notifyPos(new LeafPosition(this, -1)), false));
                    spaceElements.add(new KnuthPenalty(0,
                            KnuthElement.INFINITE, false, new LeafPosition(
                                    this, -1), false));
                    spaceElements.add(new KnuthGlue(lineStartBAP, 0, 0,
                            new LeafPosition(this, -1), false));
                } else {
                    spaceElements.add(new KnuthGlue(0,
                            3 * LineLayoutManager.DEFAULT_SPACE_WIDTH, 0,
                            new LeafPosition(this, -1), false));
                    spaceElements.add(new KnuthPenalty(0, 0, false,
                            new LeafPosition(this, -1), false));
                    spaceElements.add(new KnuthGlue(ai.ipdArea.opt, -3
                            * LineLayoutManager.DEFAULT_SPACE_WIDTH, 0,
                            mainPosition, false));
                }
                break;

            case EN_JUSTIFY:
                // justified text:
                // the stretch and shrink depends on the space width
                if (lineStartBAP != 0 || lineEndBAP != 0) {
                    spaceElements.add(new KnuthGlue(lineEndBAP, 0, 0,
                            new LeafPosition(this, -1), false));
                    spaceElements.add(new KnuthPenalty(0, 0, false,
                            new LeafPosition(this, -1), false));
                    spaceElements.add(new KnuthGlue(
                            ai.ipdArea.opt - (lineStartBAP + lineEndBAP),
                            ai.ipdArea.max - ai.ipdArea.opt,
                            ai.ipdArea.opt - ai.ipdArea.min,
                            mainPosition, false));
                    spaceElements.add(new KnuthInlineBox(0, null,
                            notifyPos(new LeafPosition(this, -1)), false));
                    spaceElements.add(new KnuthPenalty(0,
                            KnuthElement.INFINITE, false, new LeafPosition(
                                    this, -1), false));
                    spaceElements.add(new KnuthGlue(lineStartBAP, 0, 0,
                            new LeafPosition(this, -1), false));
                } else {
                    spaceElements.add(new KnuthGlue(ai.ipdArea.opt,
                            ai.ipdArea.max - ai.ipdArea.opt,
                            ai.ipdArea.opt - ai.ipdArea.min,
                            mainPosition, false));
                }
                break;

            default:
                // last line justified, the other lines unjustified:
                // use only the space stretch
                if (lineStartBAP != 0 || lineEndBAP != 0) {
                    spaceElements.add(new KnuthGlue(lineEndBAP, 0, 0,
                            new LeafPosition(this, -1), false));
                    spaceElements.add(new KnuthPenalty(0, 0, false,
                            new LeafPosition(this, -1), false));
                    spaceElements.add(new KnuthGlue(
                            ai.ipdArea.opt - (lineStartBAP + lineEndBAP),
                            ai.ipdArea.max - ai.ipdArea.opt,
                            0, mainPosition, false));
                    spaceElements.add(new KnuthInlineBox(0, null,
                            notifyPos(new LeafPosition(this, -1)), false));
                    spaceElements.add(new KnuthPenalty(0,
                            KnuthElement.INFINITE, false, new LeafPosition(
                                    this, -1), false));
                    spaceElements.add(new KnuthGlue(lineStartBAP, 0, 0,
                            new LeafPosition(this, -1), false));
                } else {
                    spaceElements.add(new KnuthGlue(ai.ipdArea.opt,
                            ai.ipdArea.max - ai.ipdArea.opt, 0,
                            mainPosition, false));
                }
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    }

    private LinkedList createElementsForAWordFragment(int alignment,
            AreaInfo ai, int leafValue, MinOptMax letterSpaceWidth) {
        LinkedList wordElements = new LinkedList();
        LeafPosition mainPosition = new LeafPosition(this, leafValue);

        // if the last character of the word fragment is '-' or '/',
        // the fragment could end a line; in this case, it loses one
        // of its letter spaces;
        boolean bSuppressibleLetterSpace
            = /*ai.iLScount == (ai.iBreakIndex - ai.iStartIndex)
                &&*/ isBreakChar(textArray[ai.iBreakIndex - 1]);

        if (letterSpaceWidth.min == letterSpaceWidth.max) {
            // constant letter spacing
            wordElements.add
                (new KnuthInlineBox(
                        bSuppressibleLetterSpace
                                ? ai.ipdArea.opt - letterSpaceWidth.opt
                                : ai.ipdArea.opt,
                        alignmentContext,
                        notifyPos(mainPosition), false));
        } else {
            // adjustable letter spacing
            int unsuppressibleLetterSpaces
                = bSuppressibleLetterSpace ? ai.iLScount - 1 : ai.iLScount;
            wordElements.add
                (new KnuthInlineBox(ai.ipdArea.opt
                        - ai.iLScount * letterSpaceWidth.opt,
                        alignmentContext,
                        notifyPos(mainPosition), false));
            wordElements.add
                (new KnuthPenalty(0, KnuthElement.INFINITE, false,
                        new LeafPosition(this, -1), true));
            wordElements.add
                (new KnuthGlue(unsuppressibleLetterSpaces * letterSpaceWidth.opt,
                        unsuppressibleLetterSpaces * (letterSpaceWidth.max - letterSpaceWidth.opt),
                        unsuppressibleLetterSpaces * (letterSpaceWidth.opt - letterSpaceWidth.min),
                        new LeafPosition(this, -1), true));
            wordElements.add
                (new KnuthInlineBox(0, null,
                              notifyPos(new LeafPosition(this, -1)), true));
        }
        // extra-elements if the word fragment is the end of a syllable,
        // or it ends with a character that can be used as a line break
        if (ai.bHyphenated) {
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                (new KnuthGlue(0, 3 * LineLayoutManager.DEFAULT_SPACE_WIDTH, 0,
                        new LeafPosition(this, -1), false));
            */
            hyphenElements.add
                (new KnuthGlue(lineEndBAP, 3 * LineLayoutManager.DEFAULT_SPACE_WIDTH, 0,
                               new LeafPosition(this, -1), true));
            hyphenElements.add
                (new KnuthPenalty(hyphIPD,
                        KnuthPenalty.FLAGGED_PENALTY, true,
                        new LeafPosition(this, -1), false));
            hyphenElements.add
                (new KnuthGlue(-(lineEndBAP + lineStartBAP),
                        -6 * LineLayoutManager.DEFAULT_SPACE_WIDTH, 0,
                        new LeafPosition(this, -1), false));
            hyphenElements.add
                (new KnuthInlineBox(0, null,
                                    notifyPos(new LeafPosition(this, -1)), true));
            hyphenElements.add
               (new KnuthPenalty(0, KnuthElement.INFINITE, false,
                                 new LeafPosition(this, -1), true));
            hyphenElements.add
                (new KnuthGlue(lineStartBAP, 3 * LineLayoutManager.DEFAULT_SPACE_WIDTH, 0,
                               new LeafPosition(this, -1), true));
            break;
           
        case EN_START  : // fall through
        case EN_END    :
            // left- or right-aligned text:
            /*
            hyphenElements.add
                (new KnuthGlue(0, 3 * LineLayoutManager.DEFAULT_SPACE_WIDTH, 0,
                        new LeafPosition(this, -1), false));
            hyphenElements.add
                (new KnuthPenalty(widthIfBreakOccurs,
                        KnuthPenalty.FLAGGED_PENALTY, true,
                        new LeafPosition(this, -1), false));
             hyphenElements.add
                (new KnuthGlue(widthIfNoBreakOccurs.opt,
                        - 3 * LineLayoutManager.DEFAULT_SPACE_WIDTH, 0,
                        new LeafPosition(this, -1), false));
            */
            if (lineStartBAP != 0 || lineEndBAP != 0) {
                hyphenElements.add
                    (new KnuthGlue(lineEndBAP, 3 * LineLayoutManager.DEFAULT_SPACE_WIDTH, 0,
                                   new LeafPosition(this, -1), false));
                hyphenElements.add
                    (new KnuthPenalty(widthIfBreakOccurs,
                            KnuthPenalty.FLAGGED_PENALTY, true,
                            new LeafPosition(this, -1), false));
                hyphenElements.add
                    (new KnuthGlue(widthIfNoBreakOccurs.opt - (lineStartBAP + lineEndBAP),
                                   -3 * LineLayoutManager.DEFAULT_SPACE_WIDTH, 0,
                                   new LeafPosition(this, -1), false));
                hyphenElements.add
                    (new KnuthInlineBox(0, null,
                                        notifyPos(new LeafPosition(this, -1)), false));
                hyphenElements.add
                   (new KnuthPenalty(0, KnuthElement.INFINITE, false,
                                     new LeafPosition(this, -1), false));
                hyphenElements.add
                    (new KnuthGlue(lineStartBAP, 0, 0,
                                   new LeafPosition(this, -1), false));
            } else {
                hyphenElements.add
                    (new KnuthGlue(0, 3 * LineLayoutManager.DEFAULT_SPACE_WIDTH, 0,
                            new LeafPosition(this, -1), false));
                hyphenElements.add
                    (new KnuthPenalty(widthIfBreakOccurs,
                            KnuthPenalty.FLAGGED_PENALTY, true,
                            new LeafPosition(this, -1), false));
                hyphenElements.add
                    (new KnuthGlue(widthIfNoBreakOccurs.opt,
                            -3 * LineLayoutManager.DEFAULT_SPACE_WIDTH, 0,
                            new LeafPosition(this, -1), false));
            }
            break;
           
        default:
            // justified text, or last line justified:
            // just a flagged penalty
            /*
            hyphenElements.add
                (new KnuthPenalty(widthIfBreakOccurs,
                        KnuthPenalty.FLAGGED_PENALTY, true,
                        new LeafPosition(this, -1), false));
            */
            if (lineStartBAP != 0 || lineEndBAP != 0) {
                hyphenElements.add
                    (new KnuthGlue(lineEndBAP, 0, 0,
                                   new LeafPosition(this, -1), false));
                hyphenElements.add
                    (new KnuthPenalty(widthIfBreakOccurs,
                            KnuthPenalty.FLAGGED_PENALTY, true,
                            new LeafPosition(this, -1), false));
                // extra elements representing a letter space that is suppressed
                // if a break occurs
                if (widthIfNoBreakOccurs.min != 0
                    || widthIfNoBreakOccurs.max != 0) {
                    hyphenElements.add
                        (new KnuthGlue(widthIfNoBreakOccurs.opt - (lineStartBAP + lineEndBAP),
                                widthIfNoBreakOccurs.max - widthIfNoBreakOccurs.opt,
                                widthIfNoBreakOccurs.opt - widthIfNoBreakOccurs.min,
                                new LeafPosition(this, -1), false));
                } else {
                    hyphenElements.add
                        (new KnuthGlue(-(lineStartBAP + lineEndBAP), 0, 0,
                                       new LeafPosition(this, -1), false));
                }
                hyphenElements.add
                    (new KnuthInlineBox(0, null,
                                        notifyPos(new LeafPosition(this, -1)), false));
                hyphenElements.add
                    (new KnuthPenalty(0, KnuthElement.INFINITE, false,
                                      new LeafPosition(this, -1), false));
                hyphenElements.add
                    (new KnuthGlue(lineStartBAP, 0, 0,
                                   new LeafPosition(this, -1), false));
            } else {
                hyphenElements.add
                    (new KnuthPenalty(widthIfBreakOccurs,
                            KnuthPenalty.FLAGGED_PENALTY, true,
                            new LeafPosition(this, -1), false));
                // extra elements representing a letter space that is suppressed
                // if a break occurs
                if (widthIfNoBreakOccurs.min != 0
                    || widthIfNoBreakOccurs.max != 0) {
                    hyphenElements.add
                        (new KnuthGlue(widthIfNoBreakOccurs.opt,
                                widthIfNoBreakOccurs.max - widthIfNoBreakOccurs.opt,
                                widthIfNoBreakOccurs.opt - widthIfNoBreakOccurs.min,
                                new LeafPosition(this, -1), false));
                }
            }
        }
       
        return hyphenElements;
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        curArea.setAdjustingInfo(ipd.getStretch(), ipd.getShrink(), 0);

        addKnuthElementsForBorderPaddingStart(seq);

        // node is a fo:Leader
        seq.add(new KnuthInlineBox(0, alignmentContext, new LeafPosition(this, -1), true));
        seq.add(new KnuthPenalty(0, KnuthElement.INFINITE, false,
                new LeafPosition(this, -1), true));
        if (alignment == EN_JUSTIFY || alignment == 0) {
            seq.add(new KnuthGlue(areaInfo.ipdArea, new LeafPosition(this, 0), false));
        } else {
            seq.add(new KnuthGlue(areaInfo.ipdArea.getOpt(), 0, 0,
                    new LeafPosition(this, 0), false));
        }
        seq.add(new KnuthInlineBox(0, alignmentContext, new LeafPosition(this, -1), true));

        addKnuthElementsForBorderPaddingEnd(seq);

        setFinished(true);
        return Collections.singletonList(seq);
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        List returnList = new LinkedList();

        addKnuthElementsForBorderPaddingStart(returnList);

        returnList.add(new KnuthInlineBox(0, areaInfo.alignmentContext,
                                    new LeafPosition(this, -1), true));
        returnList.add(new KnuthPenalty(0, KnuthElement.INFINITE, false,
                                        new LeafPosition(this, -1), true));
        if (alignment == EN_JUSTIFY || alignment == 0) {
            returnList.add(new KnuthGlue(areaInfo.ipdArea, new LeafPosition(this, 0), false));
        } else {
            returnList.add(new KnuthGlue(areaInfo.ipdArea.getOpt(), 0, 0,
                    new LeafPosition(this, 0), false));
        }
        returnList.add(new KnuthInlineBox(0, areaInfo.alignmentContext,
                                    new LeafPosition(this, -1), true));

        addKnuthElementsForBorderPaddingEnd(returnList);

        setFinished(true);
        return returnList;
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        // node is a fo:Character
        if (letterSpaceIPD.isStiff()) {
            // constant letter space, only return a box
            seq.add(new KnuthInlineBox(areaInfo.ipdArea.getOpt(), areaInfo.alignmentContext,
                                        notifyPos(new LeafPosition(this, 0)), false));
        } else {
            // adjustable letter space, return a sequence of elements;
            // at the moment the character is supposed to have no letter spaces,
            // but returning this sequence allows us to change only one element
            // if addALetterSpaceTo() is called
            seq.add(new KnuthInlineBox(areaInfo.ipdArea.getOpt(), areaInfo.alignmentContext,
                                        notifyPos(new LeafPosition(this, 0)), false));
            seq.add(new KnuthPenalty(0, KnuthElement.INFINITE, false,
                                            new LeafPosition(this, -1), true));
            seq.add(new KnuthGlue(0, 0, 0,
                                         new LeafPosition(this, -1), true));
            seq.add(new KnuthInlineBox(0, null,
                                        notifyPos(new LeafPosition(this, -1)), true));
        }

        addKnuthElementsForBorderPaddingEnd(seq);

        LinkedList returnList = new LinkedList();
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        if (letterSpaceIPD.isStiff() || areaInfo.iLScount == 0) {
            // constant letter space, or no letter space
            returnList.add(new KnuthInlineBox(areaInfo.ipdArea.getOpt(),
                                        areaInfo.alignmentContext,
                                        notifyPos(new LeafPosition(this, 0)), false));
            if (areaInfo.bHyphenated) {
                returnList.add
                    (new KnuthPenalty(hyphIPD, KnuthPenalty.FLAGGED_PENALTY, true,
                                      new LeafPosition(this, -1), false));
            }
        } else {
            // adjustable letter space
            returnList.add(new KnuthInlineBox(areaInfo.ipdArea.getOpt()
                    - areaInfo.iLScount * letterSpaceIPD.getOpt(), areaInfo.alignmentContext,
                    notifyPos(new LeafPosition(this, 0)), false));
            returnList.add(new KnuthPenalty(0, KnuthElement.INFINITE, false,
                    new LeafPosition(this, -1), true));
            returnList.add(new KnuthGlue(letterSpaceIPD.mult(areaInfo.iLScount),
                    new LeafPosition(this, -1), true));
            returnList.add(new KnuthInlineBox(0, null, notifyPos(new LeafPosition(this, -1)), true));
            if (areaInfo.bHyphenated) {
                returnList.add(new KnuthPenalty(hyphIPD, KnuthPenalty.FLAGGED_PENALTY, true,
                        new LeafPosition(this, -1), false));
            }
        }

        addKnuthElementsForBorderPaddingEnd(returnList);

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        KnuthSequence seq = new InlineKnuthSequence();

        addKnuthElementsForBorderPaddingStart(seq);

        seq.add(new KnuthInlineBox(areaInfo.ipdArea.getOpt(), alignmentContext,
                                    notifyPos(new LeafPosition(this, 0)), false));

        addKnuthElementsForBorderPaddingEnd(seq);

        setFinished(true);
        return Collections.singletonList(seq);
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Related Classes of org.apache.fop.layoutmgr.LeafPosition

  • org.apache.fop.layoutmgr.inline.CharacterLayoutManager
  • org.apache.fop.layoutmgr.inline.LeaderLayoutManager
  • org.apache.fop.layoutmgr.inline.LeafNodeLayoutManager
  • org.apache.fop.layoutmgr.inline.LineLayoutManager
  • org.apache.fop.layoutmgr.inline.TextLayoutManager
  • org.apache.fop.layoutmgr.table.TableLayoutManager
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