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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.area.inline;
-
- import java.util.List;
- import java.util.ListIterator;
- import java.util.ArrayList;
- import java.util.Iterator;
-
- /**
- * Filled area.
- * This inline area contains some inline areas.
- * When the renderer gets the child areas to render
- * the inline areas are repeated to fill the ipd of
- * this inline parent.
- * This extends InlineParent so that the renderer will render
- * this as a normal inline parent.
- */
- public class FilledArea extends InlineParent {
- private int unitWidth;
-
- /**
- * Create a new filled area.
- */
- public FilledArea() {
- }
-
- /**
- * Set the offset of the descendant TextAreas,
- * instead of the offset of the FilledArea itself.
- *
- * @param v the offset
- */
- /*
- public void setOffset(int v) {
- setChildOffset(inlines.listIterator(), v);
- }
- */
-
- private void setChildOffset(ListIterator childrenIterator, int v) {
- while (childrenIterator.hasNext()) {
- InlineArea child = (InlineArea) childrenIterator.next();
- if (child instanceof InlineParent) {
- setChildOffset(((InlineParent) child).getChildAreas().listIterator(), v);
- } else if (child instanceof org.apache.fop.area.inline.Viewport) {
- // nothing
- } else {
- child.setOffset(v);
- }
- }
- }
-
- /**
- * Set the unit width for the areas to fill the full width.
- *
- * @param w the unit width
- */
- public void setUnitWidth(int w) {
- unitWidth = w;
- }
-
- /**
- * Return the unit width for the areas to fill the full width.
- *
- * @return the unit width
- */
- public int getUnitWidth() {
- return unitWidth;
- }
-
- /**
- * {@inheritDoc}
- */
- public int getBPD() {
- int bpd = 0;
- for (Iterator childAreaIt = getChildAreas().iterator(); childAreaIt.hasNext();) {
- InlineArea area = (InlineArea)childAreaIt.next();
- if (bpd < area.getBPD()) {
- bpd = area.getBPD();
- }
- }
- return bpd;
- }
-
- /**
- * Get the child areas for this filled area.
- * This copies the references of the inline areas so that
- * it fills the total width of the area a whole number of times
- * for the unit width.
- *
- * @return the list of child areas copied to fill the width
- */
- public List getChildAreas() {
- int units = (int)(getIPD() / unitWidth);
- List newList = new ArrayList();
- for (int count = 0; count < units; count++) {
- newList.addAll(inlines);
- }
- return newList;
- }
-
- /**
- * recursively apply the variation factor to all descendant areas
- * @param variationFactor the variation factor that must be applied to adjustments
- * @param lineStretch the total stretch of the line
- * @param lineShrink the total shrink of the line
- * @return true if there is an UnresolvedArea descendant
- */
- public boolean applyVariationFactor(double variationFactor,
- int lineStretch, int lineShrink) {
- setIPD(getIPD() + adjustingInfo.applyVariationFactor(variationFactor));
- return false;
- }
- }
-
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