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/*
* $Id$
* Copyright (C) 2002 The Apache Software Foundation. All rights reserved.
* For details on use and redistribution please refer to the
* LICENSE file included with these sources.
*/
package org.apache.fop.traits;
import org.apache.fop.datatypes.Length;
import org.apache.fop.fo.properties.Constants;
/**
* Store properties affecting layout: break-before, break-after, keeps, span.
* for a block level FO.
* Public "structure" allows direct member access.
*/
public class LayoutProps {
public int breakBefore; // enum constant BreakBefore.xxx
public int breakAfter; // enum constant BreakAfter.xxx
public boolean bIsSpan;
public SpaceVal spaceBefore;
public SpaceVal spaceAfter;
private static final int[] s_breakPriorities =
new int[]{ Constants.AUTO, Constants.COLUMN, Constants.PAGE };
public LayoutProps() {
breakBefore = breakAfter = Constants.AUTO;
bIsSpan = false;
}
// public static int higherBreak(int brkParent, int brkChild) {
// if (brkParent == brkChild) return brkChild;
// for (int i=0; i < s_breakPriorities.length; i++) {
// int bp = s_breakPriorities[i];
// if (bp == brkParent) return brkChild;
// else if (bp == brkChild) return brkParent;
// }
// return brkChild;
// }
public void combineWithParent(LayoutProps parentLP) {
if (parentLP.breakBefore != breakBefore) {
for (int i = 0; i < s_breakPriorities.length; i++) {
int bp = s_breakPriorities[i];
if (bp == breakBefore) {
breakBefore = parentLP.breakBefore;
break;
} else if (bp == parentLP.breakBefore) {
break;
}
}
}
// Parent span always overrides child span
bIsSpan = parentLP.bIsSpan;
}
}
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