Package org.apache.fop.layoutmgr

Examples of org.apache.fop.layoutmgr.KnuthPenalty

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        if (commonBorderPaddingBackground != null) {
            int ipEnd = commonBorderPaddingBackground.getBorderEndWidth(false)
                        + commonBorderPaddingBackground.getPaddingEnd(false, this);
            if (ipEnd > 0) {
                // Add a non breakable glue
                returnList.add(new KnuthPenalty(0, KnuthPenalty.INFINITE,
                                                false, new LeafPosition(this, -1), true));
                returnList.add(new KnuthGlue(ipEnd, 0, 0, new LeafPosition(this, -1), true));
            }
        }
    }
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     * @throws Exception if the test fails
     */
    public void testRemoveElementPenalty1() throws Exception {
        LinkedList lst = new LinkedList();
        lst.add(new KnuthBox(4000, null, false));
        lst.add(new KnuthPenalty(0, 0, false, null, false));
        lst.add(new KnuthBox(4000, null, false));
        lst.add(new KnuthPenalty(0, 200, false, null, false));
        lst.add(new KnuthBox(4000, null, false));
        lst.add(new KnuthPenalty(0, 0, false, null, false));
        lst.add(new KnuthBox(4000, null, false));
        lst.add(new KnuthPenalty(0, KnuthElement.INFINITE, false, null, false));
        lst.add(new KnuthGlue(0, Integer.MAX_VALUE, 0, null, false));
        lst.add(new KnuthPenalty(0, -KnuthElement.INFINITE, false, null, false));
       
        boolean res = ElementListUtils.removeLegalBreaks(lst, 9000);
       
        assertFalse(res);

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        lst.add(new KnuthBox(4000, null, false));
        lst.add(new KnuthGlue(0, 0, 0, null, false));
        lst.add(new KnuthBox(4000, null, false));
        lst.add(new KnuthGlue(0, 0, 0, null, false));
        lst.add(new KnuthBox(4000, null, false));
        lst.add(new KnuthPenalty(0, KnuthElement.INFINITE, false, null, false));
        lst.add(new KnuthGlue(0, Integer.MAX_VALUE, 0, null, false));
        lst.add(new KnuthPenalty(0, -KnuthElement.INFINITE, false, null, false));
       
        boolean res = ElementListUtils.removeLegalBreaks(lst, 9000);
       
        assertFalse(res);
       
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     * @throws Exception if the test fails
     */
    public void testRemoveElementFromEndPenalty1() throws Exception {
        LinkedList lst = new LinkedList();
        lst.add(new KnuthBox(4000, null, false));
        lst.add(new KnuthPenalty(0, 0, false, null, false));
        lst.add(new KnuthBox(4000, null, false));
        lst.add(new KnuthPenalty(0, 200, false, null, false));
        lst.add(new KnuthBox(4000, null, false));
        lst.add(new KnuthPenalty(0, 0, false, null, false));
        lst.add(new KnuthBox(4000, null, false));
        lst.add(new KnuthPenalty(0, KnuthElement.INFINITE, false, null, false));
        lst.add(new KnuthGlue(0, Integer.MAX_VALUE, 0, null, false));
        lst.add(new KnuthPenalty(0, -KnuthElement.INFINITE, false, null, false));
       
        boolean res = ElementListUtils.removeLegalBreaksFromEnd(lst, 9000);
       
        assertFalse(res);

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     * @throws Exception if the test fails
     */
    public void testRemoveElementFromEndPenalty2() throws Exception {
        LinkedList lst = new LinkedList();
        lst.add(new KnuthBox(4000, null, false));
        lst.add(new KnuthPenalty(0, 0, false, null, false));
        lst.add(new KnuthBox(4000, null, false));
        lst.add(new KnuthPenalty(0, 200, false, null, false));
        lst.add(new KnuthBox(4000, null, false));
        lst.add(new KnuthGlue(0, 0, 0, null, false));
        lst.add(new KnuthBox(4000, null, false));
        lst.add(new KnuthPenalty(0, KnuthElement.INFINITE, false, null, false));
        lst.add(new KnuthGlue(0, Integer.MAX_VALUE, 0, null, false));
        lst.add(new KnuthPenalty(0, -KnuthElement.INFINITE, false, null, false));
       
        boolean res = ElementListUtils.removeLegalBreaksFromEnd(lst, 9000);
       
        assertFalse(res);

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                    if (!(knuthEl instanceof KnuthPenalty)) {
                        fail("Expected KnuthPenalty "
                                + " at position " + pos
                                + " but got: " + knuthEl.getClass().getName());
                    }
                    KnuthPenalty pen = (KnuthPenalty)knuthEl;
                    if (domEl.getAttribute("w").length() > 0) {
                        int w = Integer.parseInt(domEl.getAttribute("w"));
                        if (w != knuthEl.getW()) {
                            fail("Expected w=" + w
                                    + " at position " + pos
                                    + " but got: " + knuthEl.getW());
                        }
                    }
                    if (domEl.getAttribute("p").length() > 0) {
                        if ("<0".equals(domEl.getAttribute("p"))) {
                            if (knuthEl.getP() >= 0) {
                                fail("Expected p<0"
                                        + " at position " + pos
                                        + " but got: " + knuthEl.getP());
                            }
                        } else if (">0".equals(domEl.getAttribute("p"))) {
                            if (knuthEl.getP() <= 0) {
                                fail("Expected p>0"
                                        + " at position " + pos
                                        + " but got: " + knuthEl.getP());
                            }
                        } else {
                            int p;
                            if ("INF".equalsIgnoreCase(domEl.getAttribute("p"))) {
                                p = KnuthPenalty.INFINITE;
                            } else if ("INFINITE".equalsIgnoreCase(domEl.getAttribute("p"))) {
                                p = KnuthPenalty.INFINITE;
                            } else if ("-INF".equalsIgnoreCase(domEl.getAttribute("p"))) {
                                p = -KnuthPenalty.INFINITE;
                            } else if ("-INFINITE".equalsIgnoreCase(domEl.getAttribute("p"))) {
                                p = -KnuthPenalty.INFINITE;
                            } else {
                                p = Integer.parseInt(domEl.getAttribute("p"));
                            }
                            if (p != knuthEl.getP()) {
                                fail("Expected p=" + p
                                        + " at position " + pos
                                        + " but got: " + knuthEl.getP());
                            }
                        }
                    }
                    if ("true".equals(domEl.getAttribute("flagged"))) {
                        if (!pen.isFlagged()) {
                            fail("Expected flagged penalty"
                                    + " at position " + pos);
                        }
                    } else if ("false".equals(domEl.getAttribute("flagged"))) {
                        if (pen.isFlagged()) {
                            fail("Expected non-flagged penalty"
                                    + " at position " + pos);
                        }
                    }
                    if ("true".equals(domEl.getAttribute("aux"))) {
                        if (!pen.isAuxiliary()) {
                            fail("Expected auxiliary penalty"
                                    + " at position " + pos);
                        }
                    } else if ("false".equals(domEl.getAttribute("aux"))) {
                        if (pen.isAuxiliary()) {
                            fail("Expected non-auxiliary penalty"
                                    + " at position " + pos);
                        }
                    }
                } else if ("glue".equals(domEl.getLocalName())) {
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        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.opt,
                               areaInfo.ipdArea.max - areaInfo.ipdArea.opt,
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        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.opt,
                               areaInfo.ipdArea.max - areaInfo.ipdArea.opt,
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        nLastLines = 3;
        */

        if (nLastLines != 0
            && (nConditionalOptionalLines > 0 || nConditionalEliminableLines > 0)) {
            breaker.add(new KnuthPenalty(0, KnuthElement.INFINITE, false, elementPosition, false));
            breaker.add(new KnuthGlue(0, -nConditionalOptionalLines * constantLineHeight,
                                        -nConditionalEliminableLines * constantLineHeight,
                                        LINE_NUMBER_ADJUSTMENT, elementPosition, false));
            breaker.add(new KnuthPenalty(nConditionalOptionalLines * constantLineHeight,
                                           0, false, elementPosition, false));
            breaker.add(new KnuthGlue(0, nConditionalOptionalLines * constantLineHeight,
                                        nConditionalEliminableLines * constantLineHeight,
                                        LINE_NUMBER_ADJUSTMENT, elementPosition, false));
        } else if (nLastLines != 0) {
            breaker.add(new KnuthPenalty(0, 0, false, elementPosition, false));
        }

        //log.debug("first=" + nFirstLines + " inner=" + nInnerLines
        //                   + " optional=" + nOptionalLines + " eliminable=" + nEliminableLines
        //                   + " last=" + nLastLines
        //                   + " (condOpt=" + nConditionalOptionalLines + " condEl=" + nConditionalEliminableLines + ")");

        // creation of the elements:
        // first group of lines
        list.add(new KnuthBox(nFirstLines * constantLineHeight, elementPosition,
                              (nLastLines == 0
                               && nConditionalOptionalLines == 0
                               && nConditionalEliminableLines == 0 ? true : false)));
        if (nConditionalOptionalLines > 0
            || nConditionalEliminableLines > 0) {
            list.add(new KnuthPenalty(0, KnuthElement.INFINITE, false, elementPosition, false));
            list.add(new KnuthGlue(0, nConditionalOptionalLines * constantLineHeight,
                                   nConditionalEliminableLines * constantLineHeight,
                                   LINE_NUMBER_ADJUSTMENT, elementPosition, false));
            list.add(new KnuthBox(0, elementPosition,
                                  (nLastLines == 0 ? true : false)));
        }

        // optional lines
        for (int i = 0; i < nOptionalLines; i++) {
            list.addAll(breaker);
            list.add(new KnuthBox(0, elementPosition, false));
            list.add(new KnuthPenalty(0, KnuthElement.INFINITE, false, elementPosition, false));
            list.add(new KnuthGlue(0, 1 * constantLineHeight, 0,
                                   LINE_NUMBER_ADJUSTMENT, elementPosition, false));
            list.add(new KnuthBox(0, elementPosition, false));
        }

        // eliminable lines
        for (int i = 0; i < nEliminableLines; i++) {
            list.addAll(breaker);
            list.add(new KnuthBox(1 * constantLineHeight, elementPosition, false));
            list.add(new KnuthPenalty(0, KnuthElement.INFINITE, false, elementPosition, false));
            list.add(new KnuthGlue(0, 0, 1 * constantLineHeight,
                                   LINE_NUMBER_ADJUSTMENT, elementPosition, false));
            list.add(new KnuthBox(0, elementPosition, false));
        }

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            for (int i = 0; i < llPoss.getChosenLineCount(); i++) {
                if (!((BlockLevelLayoutManager) parentLM).mustKeepTogether()
                    && i >= fobj.getOrphans()
                    && i <= llPoss.getChosenLineCount() - fobj.getWidows()) {
                    // null penalty allowing a page break between lines
                    returnList.add(new KnuthPenalty(0, 0, false, new Position(this), false));
                }
                LineBreakPosition lbp = (LineBreakPosition) llPoss.getChosenPosition(i);
                //log.debug("LLM.getChangedKnuthElements> lineWidth= " + lbp.lineWidth + " difference= " + lbp.difference);
                //log.debug("                             shrink= " + lbp.availableShrink + " stretch= " + lbp.availableStretch);
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Related Classes of org.apache.fop.layoutmgr.KnuthPenalty

  • org.apache.fop.KnuthAlgorithmTestCase
  • org.apache.fop.layoutengine.ElementListCheck
  • org.apache.fop.layoutmgr.inline.CharacterLayoutManager
  • org.apache.fop.layoutmgr.inline.InlineLayoutManager
  • org.apache.fop.layoutmgr.inline.LeaderLayoutManager
  • org.apache.fop.layoutmgr.inline.LeafNodeLayoutManager
  • org.apache.fop.layoutmgr.inline.LineLayoutManager
  • org.apache.fop.layoutmgr.inline.LineLayoutManager$Paragraph
  • org.apache.fop.layoutmgr.inline.TextLayoutManager
  • org.apache.fop.layoutmgr.table.ActiveCell
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