New line breaking algorithm, patch 29124, submitted by Luca
Furini. This patch implements the algorithm for most but not yet all
inline layout managers.
For the algorithm, see D.E. Knuth and M.F. Plass, "Breaking paragraphs
into lines", Software, Practice and Experience 11 (1981) 1119-1184;
reprinted in: D. E. Knuth, "Digital typography", CSLI Lecture Notes
Number 78 (CLSI Publications, Stanford, CA, USA) pp. 67-155.
git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@197907 13f79535-47bb-0310-9956-ffa450edef68
20 years ago New line breaking algorithm, patch 29124, submitted by Luca
Furini. This patch implements the algorithm for most but not yet all
inline layout managers.
For the algorithm, see D.E. Knuth and M.F. Plass, "Breaking paragraphs
into lines", Software, Practice and Experience 11 (1981) 1119-1184;
reprinted in: D. E. Knuth, "Digital typography", CSLI Lecture Notes
Number 78 (CLSI Publications, Stanford, CA, USA) pp. 67-155.
git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@197907 13f79535-47bb-0310-9956-ffa450edef68
20 years ago New line breaking algorithm, patch 29124, submitted by Luca
Furini. This patch implements the algorithm for most but not yet all
inline layout managers.
For the algorithm, see D.E. Knuth and M.F. Plass, "Breaking paragraphs
into lines", Software, Practice and Experience 11 (1981) 1119-1184;
reprinted in: D. E. Knuth, "Digital typography", CSLI Lecture Notes
Number 78 (CLSI Publications, Stanford, CA, USA) pp. 67-155.
git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@197907 13f79535-47bb-0310-9956-ffa450edef68
20 years ago New line breaking algorithm, patch 29124, submitted by Luca
Furini. This patch implements the algorithm for most but not yet all
inline layout managers.
For the algorithm, see D.E. Knuth and M.F. Plass, "Breaking paragraphs
into lines", Software, Practice and Experience 11 (1981) 1119-1184;
reprinted in: D. E. Knuth, "Digital typography", CSLI Lecture Notes
Number 78 (CLSI Publications, Stanford, CA, USA) pp. 67-155.
git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@197907 13f79535-47bb-0310-9956-ffa450edef68
20 years ago New line breaking algorithm, patch 29124, submitted by Luca
Furini. This patch implements the algorithm for most but not yet all
inline layout managers.
For the algorithm, see D.E. Knuth and M.F. Plass, "Breaking paragraphs
into lines", Software, Practice and Experience 11 (1981) 1119-1184;
reprinted in: D. E. Knuth, "Digital typography", CSLI Lecture Notes
Number 78 (CLSI Publications, Stanford, CA, USA) pp. 67-155.
git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@197907 13f79535-47bb-0310-9956-ffa450edef68
20 years ago New line breaking algorithm, patch 29124, submitted by Luca
Furini. This patch implements the algorithm for most but not yet all
inline layout managers.
For the algorithm, see D.E. Knuth and M.F. Plass, "Breaking paragraphs
into lines", Software, Practice and Experience 11 (1981) 1119-1184;
reprinted in: D. E. Knuth, "Digital typography", CSLI Lecture Notes
Number 78 (CLSI Publications, Stanford, CA, USA) pp. 67-155.
git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@197907 13f79535-47bb-0310-9956-ffa450edef68
20 years ago New line breaking algorithm, patch 29124, submitted by Luca
Furini. This patch implements the algorithm for most but not yet all
inline layout managers.
For the algorithm, see D.E. Knuth and M.F. Plass, "Breaking paragraphs
into lines", Software, Practice and Experience 11 (1981) 1119-1184;
reprinted in: D. E. Knuth, "Digital typography", CSLI Lecture Notes
Number 78 (CLSI Publications, Stanford, CA, USA) pp. 67-155.
git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@197907 13f79535-47bb-0310-9956-ffa450edef68
20 years ago New line breaking algorithm, patch 29124, submitted by Luca
Furini. This patch implements the algorithm for most but not yet all
inline layout managers.
For the algorithm, see D.E. Knuth and M.F. Plass, "Breaking paragraphs
into lines", Software, Practice and Experience 11 (1981) 1119-1184;
reprinted in: D. E. Knuth, "Digital typography", CSLI Lecture Notes
Number 78 (CLSI Publications, Stanford, CA, USA) pp. 67-155.
git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@197907 13f79535-47bb-0310-9956-ffa450edef68
20 years ago New line breaking algorithm, patch 29124, submitted by Luca
Furini. This patch implements the algorithm for most but not yet all
inline layout managers.
For the algorithm, see D.E. Knuth and M.F. Plass, "Breaking paragraphs
into lines", Software, Practice and Experience 11 (1981) 1119-1184;
reprinted in: D. E. Knuth, "Digital typography", CSLI Lecture Notes
Number 78 (CLSI Publications, Stanford, CA, USA) pp. 67-155.
git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@197907 13f79535-47bb-0310-9956-ffa450edef68
20 years ago New line breaking algorithm, patch 29124, submitted by Luca
Furini. This patch implements the algorithm for most but not yet all
inline layout managers.
For the algorithm, see D.E. Knuth and M.F. Plass, "Breaking paragraphs
into lines", Software, Practice and Experience 11 (1981) 1119-1184;
reprinted in: D. E. Knuth, "Digital typography", CSLI Lecture Notes
Number 78 (CLSI Publications, Stanford, CA, USA) pp. 67-155.
git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@197907 13f79535-47bb-0310-9956-ffa450edef68
20 years ago New line breaking algorithm, patch 29124, submitted by Luca
Furini. This patch implements the algorithm for most but not yet all
inline layout managers.
For the algorithm, see D.E. Knuth and M.F. Plass, "Breaking paragraphs
into lines", Software, Practice and Experience 11 (1981) 1119-1184;
reprinted in: D. E. Knuth, "Digital typography", CSLI Lecture Notes
Number 78 (CLSI Publications, Stanford, CA, USA) pp. 67-155.
git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@197907 13f79535-47bb-0310-9956-ffa450edef68
20 years ago New line breaking algorithm, patch 29124, submitted by Luca
Furini. This patch implements the algorithm for most but not yet all
inline layout managers.
For the algorithm, see D.E. Knuth and M.F. Plass, "Breaking paragraphs
into lines", Software, Practice and Experience 11 (1981) 1119-1184;
reprinted in: D. E. Knuth, "Digital typography", CSLI Lecture Notes
Number 78 (CLSI Publications, Stanford, CA, USA) pp. 67-155.
git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@197907 13f79535-47bb-0310-9956-ffa450edef68
20 years ago New line breaking algorithm, patch 29124, submitted by Luca
Furini. This patch implements the algorithm for most but not yet all
inline layout managers.
For the algorithm, see D.E. Knuth and M.F. Plass, "Breaking paragraphs
into lines", Software, Practice and Experience 11 (1981) 1119-1184;
reprinted in: D. E. Knuth, "Digital typography", CSLI Lecture Notes
Number 78 (CLSI Publications, Stanford, CA, USA) pp. 67-155.
git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@197907 13f79535-47bb-0310-9956-ffa450edef68
20 years ago New line breaking algorithm, patch 29124, submitted by Luca
Furini. This patch implements the algorithm for most but not yet all
inline layout managers.
For the algorithm, see D.E. Knuth and M.F. Plass, "Breaking paragraphs
into lines", Software, Practice and Experience 11 (1981) 1119-1184;
reprinted in: D. E. Knuth, "Digital typography", CSLI Lecture Notes
Number 78 (CLSI Publications, Stanford, CA, USA) pp. 67-155.
git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@197907 13f79535-47bb-0310-9956-ffa450edef68
20 years ago New line breaking algorithm, patch 29124, submitted by Luca
Furini. This patch implements the algorithm for most but not yet all
inline layout managers.
For the algorithm, see D.E. Knuth and M.F. Plass, "Breaking paragraphs
into lines", Software, Practice and Experience 11 (1981) 1119-1184;
reprinted in: D. E. Knuth, "Digital typography", CSLI Lecture Notes
Number 78 (CLSI Publications, Stanford, CA, USA) pp. 67-155.
git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@197907 13f79535-47bb-0310-9956-ffa450edef68
20 years ago New line breaking algorithm, patch 29124, submitted by Luca
Furini. This patch implements the algorithm for most but not yet all
inline layout managers.
For the algorithm, see D.E. Knuth and M.F. Plass, "Breaking paragraphs
into lines", Software, Practice and Experience 11 (1981) 1119-1184;
reprinted in: D. E. Knuth, "Digital typography", CSLI Lecture Notes
Number 78 (CLSI Publications, Stanford, CA, USA) pp. 67-155.
git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@197907 13f79535-47bb-0310-9956-ffa450edef68
20 years ago New line breaking algorithm, patch 29124, submitted by Luca
Furini. This patch implements the algorithm for most but not yet all
inline layout managers.
For the algorithm, see D.E. Knuth and M.F. Plass, "Breaking paragraphs
into lines", Software, Practice and Experience 11 (1981) 1119-1184;
reprinted in: D. E. Knuth, "Digital typography", CSLI Lecture Notes
Number 78 (CLSI Publications, Stanford, CA, USA) pp. 67-155.
git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@197907 13f79535-47bb-0310-9956-ffa450edef68
20 years ago New line breaking algorithm, patch 29124, submitted by Luca
Furini. This patch implements the algorithm for most but not yet all
inline layout managers.
For the algorithm, see D.E. Knuth and M.F. Plass, "Breaking paragraphs
into lines", Software, Practice and Experience 11 (1981) 1119-1184;
reprinted in: D. E. Knuth, "Digital typography", CSLI Lecture Notes
Number 78 (CLSI Publications, Stanford, CA, USA) pp. 67-155.
git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@197907 13f79535-47bb-0310-9956-ffa450edef68
20 years ago New line breaking algorithm, patch 29124, submitted by Luca
Furini. This patch implements the algorithm for most but not yet all
inline layout managers.
For the algorithm, see D.E. Knuth and M.F. Plass, "Breaking paragraphs
into lines", Software, Practice and Experience 11 (1981) 1119-1184;
reprinted in: D. E. Knuth, "Digital typography", CSLI Lecture Notes
Number 78 (CLSI Publications, Stanford, CA, USA) pp. 67-155.
git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@197907 13f79535-47bb-0310-9956-ffa450edef68
20 years ago New line breaking algorithm, patch 29124, submitted by Luca
Furini. This patch implements the algorithm for most but not yet all
inline layout managers.
For the algorithm, see D.E. Knuth and M.F. Plass, "Breaking paragraphs
into lines", Software, Practice and Experience 11 (1981) 1119-1184;
reprinted in: D. E. Knuth, "Digital typography", CSLI Lecture Notes
Number 78 (CLSI Publications, Stanford, CA, USA) pp. 67-155.
git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@197907 13f79535-47bb-0310-9956-ffa450edef68
20 years ago New line breaking algorithm, patch 29124, submitted by Luca
Furini. This patch implements the algorithm for most but not yet all
inline layout managers.
For the algorithm, see D.E. Knuth and M.F. Plass, "Breaking paragraphs
into lines", Software, Practice and Experience 11 (1981) 1119-1184;
reprinted in: D. E. Knuth, "Digital typography", CSLI Lecture Notes
Number 78 (CLSI Publications, Stanford, CA, USA) pp. 67-155.
git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@197907 13f79535-47bb-0310-9956-ffa450edef68
20 years ago New line breaking algorithm, patch 29124, submitted by Luca
Furini. This patch implements the algorithm for most but not yet all
inline layout managers.
For the algorithm, see D.E. Knuth and M.F. Plass, "Breaking paragraphs
into lines", Software, Practice and Experience 11 (1981) 1119-1184;
reprinted in: D. E. Knuth, "Digital typography", CSLI Lecture Notes
Number 78 (CLSI Publications, Stanford, CA, USA) pp. 67-155.
git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@197907 13f79535-47bb-0310-9956-ffa450edef68
20 years ago New line breaking algorithm, patch 29124, submitted by Luca
Furini. This patch implements the algorithm for most but not yet all
inline layout managers.
For the algorithm, see D.E. Knuth and M.F. Plass, "Breaking paragraphs
into lines", Software, Practice and Experience 11 (1981) 1119-1184;
reprinted in: D. E. Knuth, "Digital typography", CSLI Lecture Notes
Number 78 (CLSI Publications, Stanford, CA, USA) pp. 67-155.
git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@197907 13f79535-47bb-0310-9956-ffa450edef68
20 years ago |
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- /*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
- /* $Id$ */
-
- package org.apache.fop.layoutmgr.inline;
-
- import java.util.LinkedList;
- import java.util.List;
- import java.util.Collections;
-
- import org.apache.commons.logging.Log;
- import org.apache.commons.logging.LogFactory;
- import org.apache.fop.area.Area;
- import org.apache.fop.area.inline.InlineArea;
- import org.apache.fop.fo.FObj;
- import org.apache.fop.fo.properties.CommonBorderPaddingBackground;
- import org.apache.fop.layoutmgr.AbstractLayoutManager;
- import org.apache.fop.layoutmgr.InlineKnuthSequence;
- import org.apache.fop.layoutmgr.KnuthGlue;
- import org.apache.fop.layoutmgr.KnuthPenalty;
- import org.apache.fop.layoutmgr.KnuthSequence;
- import org.apache.fop.layoutmgr.LayoutContext;
- import org.apache.fop.layoutmgr.LeafPosition;
- import org.apache.fop.layoutmgr.Position;
- import org.apache.fop.layoutmgr.PositionIterator;
- import org.apache.fop.layoutmgr.TraitSetter;
- import org.apache.fop.traits.MinOptMax;
-
-
- /**
- * Base LayoutManager for leaf-node FObj, ie: ones which have no children.
- * These are all inline objects. Most of them cannot be split (Text is
- * an exception to this rule.)
- * This class can be extended to handle the creation and adding of the
- * inline area.
- * TODO [GA] replace use of hungarian notation with normalized java naming
- */
- public abstract class LeafNodeLayoutManager extends AbstractLayoutManager
- implements InlineLevelLayoutManager {
-
- /**
- * logging instance
- */
- protected static final Log log = LogFactory.getLog(LeafNodeLayoutManager.class);
-
- /**
- * The inline area that this leafnode will add.
- */
- protected InlineArea curArea = null;
- /** Any border, padding and background properties applying to this area */
- protected CommonBorderPaddingBackground commonBorderPaddingBackground = null;
- /** The alignment context applying to this area */
- protected AlignmentContext alignmentContext = null;
-
- /** Flag to indicate if something was changed as part of the getChangeKnuthElements sequence */
- protected boolean isSomethingChanged = false;
- /** Our area info for the Knuth elements */
- protected AreaInfo areaInfo = null;
-
- /**
- * Store information about the inline area
- */
- protected class AreaInfo {
- /** letter space count */
- protected short iLScount;
- /** ipd of area */
- protected MinOptMax ipdArea;
- /** true if hyphenated */
- protected boolean bHyphenated;
- /** alignment context */
- protected AlignmentContext alignmentContext;
-
- /**
- * Construct an area information item.
- * @param iLS letter space count
- * @param ipd inline progression dimension
- * @param bHyph true if hyphenated
- * @param alignmentContext an alignment context
- */
- public AreaInfo(short iLS, MinOptMax ipd, boolean bHyph,
- AlignmentContext alignmentContext) {
- iLScount = iLS;
- ipdArea = ipd;
- bHyphenated = bHyph;
- this.alignmentContext = alignmentContext;
- }
-
- }
-
-
- /**
- * Create a Leaf node layout manager.
- * @param node the FObj to attach to this LM.
- */
- public LeafNodeLayoutManager(FObj node) {
- super(node);
- }
-
- /**
- * Create a Leaf node layout manager.
- */
- public LeafNodeLayoutManager() {
- }
-
- /**
- * get the inline area.
- * @param context the context used to create the area
- * @return the current inline area for this layout manager
- */
- public InlineArea get(LayoutContext context) {
- return curArea;
- }
-
- /**
- * Check if this inline area is resolved due to changes in
- * page or ipd.
- * Currently not used.
- * @return true if the area is resolved when adding
- */
- public boolean resolved() {
- return false;
- }
-
- /**
- * Set the current inline area.
- * @param ia the inline area to set for this layout manager
- */
- public void setCurrentArea(InlineArea ia) {
- curArea = ia;
- }
-
- /**
- * This is a leaf-node, so this method is never called.
- * @param childArea the childArea to add
- */
- public void addChildArea(Area childArea) {
- }
-
- /**
- * This is a leaf-node, so this method is never called.
- * @param childArea the childArea to get the parent for
- * @return the parent area
- */
- public Area getParentArea(Area childArea) {
- return null;
- }
-
- /**
- * Set the border and padding properties of the inline area.
- * @param commonBorderPaddingBackground the alignment adjust property
- */
- protected void setCommonBorderPaddingBackground(
- CommonBorderPaddingBackground commonBorderPaddingBackground) {
- this.commonBorderPaddingBackground = commonBorderPaddingBackground;
- }
-
- /**
- * Get the allocation ipd of the inline area.
- * This method may be overridden to handle percentage values.
- * @param refIPD the ipd of the parent reference area
- * @return the min/opt/max ipd of the inline area
- */
- protected MinOptMax getAllocationIPD(int refIPD) {
- return MinOptMax.getInstance(curArea.getIPD());
- }
-
- /**
- * Add the area for this layout manager.
- * This adds the single inline area to the parent.
- * @param posIter the position iterator
- * @param context the layout context for adding the area
- */
- public void addAreas(PositionIterator posIter, LayoutContext context) {
- addId();
-
- InlineArea area = getEffectiveArea();
- if (area.getAllocIPD() > 0 || area.getAllocBPD() > 0) {
- offsetArea(area, context);
- widthAdjustArea(area, context);
- if (commonBorderPaddingBackground != null) {
- // Add border and padding to area
- TraitSetter.setBorderPaddingTraits(area,
- commonBorderPaddingBackground,
- false, false, this);
- TraitSetter.addBackground(area, commonBorderPaddingBackground, this);
- }
- parentLayoutManager.addChildArea(area);
- }
-
- while (posIter.hasNext()) {
- posIter.next();
- }
- }
-
- /**
- * @return the effective area to be added to the area tree. Normally, this is simply "curArea"
- * but in the case of page-number(-citation) curArea is cloned, updated and returned.
- */
- protected InlineArea getEffectiveArea() {
- return curArea;
- }
-
- /**
- * Offset this area.
- * Offset the inline area in the bpd direction when adding the
- * inline area.
- * This is used for vertical alignment.
- * Subclasses should override this if necessary.
- * @param area the inline area to be updated
- * @param context the layout context used for adding the area
- */
- protected void offsetArea(InlineArea area, LayoutContext context) {
- area.setOffset(alignmentContext.getOffset());
- }
-
- /**
- * Creates a new alignment context or returns the current
- * alignment context.
- * This is used for vertical alignment.
- * Subclasses should override this if necessary.
- * @param context the layout context used
- * @return the appropriate alignment context
- */
- protected AlignmentContext makeAlignmentContext(LayoutContext context) {
- return context.getAlignmentContext();
- }
-
- /**
- * Adjust the width of the area when adding.
- * This uses the min/opt/max values to adjust the with
- * of the inline area by a percentage.
- * @param area the inline area to be updated
- * @param context the layout context for adding this area
- */
- protected void widthAdjustArea(InlineArea area, LayoutContext context) {
- double dAdjust = context.getIPDAdjust();
- int adjustment = 0;
- if (dAdjust < 0) {
- adjustment += (int) (dAdjust * areaInfo.ipdArea.getShrink());
- } else if (dAdjust > 0) {
- adjustment += (int) (dAdjust * areaInfo.ipdArea.getStretch());
- }
- area.setIPD(areaInfo.ipdArea.getOpt() + adjustment);
- area.setAdjustment(adjustment);
- }
-
- /** {@inheritDoc} */
- public List getNextKnuthElements(LayoutContext context, int alignment) {
- curArea = get(context);
-
- if (curArea == null) {
- setFinished(true);
- return null;
- }
-
- alignmentContext = makeAlignmentContext(context);
-
- MinOptMax ipd = getAllocationIPD(context.getRefIPD());
-
- // create the AreaInfo object to store the computed values
- areaInfo = new AreaInfo((short) 0, ipd, false, alignmentContext);
-
- // node is a fo:ExternalGraphic, fo:InstreamForeignObject,
- // fo:PageNumber or fo:PageNumberCitation
- 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);
- }
-
- /** {@inheritDoc} */
- public List addALetterSpaceTo(List oldList) {
- // return the unchanged elements
- return oldList;
- }
-
- /**
- * Remove the word space represented by the given elements
- *
- * @param oldList the elements representing the word space
- */
- public void removeWordSpace(List oldList) {
- // do nothing
- log.warn(this.getClass().getName() + " should not receive a call to removeWordSpace(list)");
- }
-
- /** {@inheritDoc} */
- public String getWordChars(Position pos) {
- return "";
- }
-
- /** {@inheritDoc} */
- public void hyphenate(Position pos, HyphContext hyphContext) {
- }
-
- /** {@inheritDoc} */
- public boolean applyChanges(List oldList) {
- setFinished(false);
- return false;
- }
-
- /** {@inheritDoc} */
- public List getChangedKnuthElements(List oldList,
- int alignment) {
- if (isFinished()) {
- return null;
- }
-
- LinkedList returnList = new LinkedList();
-
- addKnuthElementsForBorderPaddingStart(returnList);
-
- // fobj is a fo:ExternalGraphic, fo:InstreamForeignObject,
- // fo:PageNumber or fo:PageNumberCitation
- returnList.add(new KnuthInlineBox(areaInfo.ipdArea.getOpt(), areaInfo.alignmentContext,
- notifyPos(new LeafPosition(this, 0)), true));
-
- addKnuthElementsForBorderPaddingEnd(returnList);
-
- setFinished(true);
- return returnList;
- }
-
- /**
- * Creates Knuth elements for start border padding and adds them to the return list.
- * @param returnList return list to add the additional elements to
- */
- protected void addKnuthElementsForBorderPaddingStart(List returnList) {
- //Border and Padding (start)
- if (commonBorderPaddingBackground != null) {
- int ipStart = commonBorderPaddingBackground.getBorderStartWidth(false)
- + commonBorderPaddingBackground.getPaddingStart(false, this);
- if (ipStart > 0) {
- // Add a non breakable glue
- returnList.add(new KnuthPenalty(0, KnuthPenalty.INFINITE,
- false, new LeafPosition(this, -1), true));
- returnList.add(new KnuthGlue(ipStart, 0, 0, new LeafPosition(this, -1), true));
- }
- }
- }
-
- /**
- * Creates Knuth elements for end border padding and adds them to the return list.
- * @param returnList return list to add the additional elements to
- */
- protected void addKnuthElementsForBorderPaddingEnd(List returnList) {
- //Border and Padding (after)
- 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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