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/*
* Copyright 1999-2005 The Apache Software Foundation.
*
* Licensed 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: BodyRegion.java,v 1.4 2004/02/27 17:41:26 jeremias Exp $ */
package org.apache.fop.area;
import org.apache.fop.fo.pagination.RegionBody;
/**
* This class is a container for the areas that may be generated by
* an fo:region-body. It extends the RegionReference that is used
* directly by the other region classes.
* See fo:region-body definition in the XSL Rec for more information.
*/
public class BodyRegion extends RegionReference {
private BeforeFloat beforeFloat; // optional
private MainReference mainReference; // mandatory
private Footnote footnote; // optional
private int columnGap;
private int columnCount;
/**
* Constructor which can read traits directly
* from an fo:region-body formatting object.
*/
public BodyRegion(RegionBody rb, RegionViewport parent) {
super(rb, parent);
this.columnCount = rb.getColumnCount();
this.columnGap = rb.getColumnGap();
mainReference = new MainReference(this);
}
/**
* Get the number of columns when not spanning
*
* @return the number of columns
*/
public int getColumnCount() {
return this.columnCount;
}
/** @return the column-gap value */
public int getColumnGap() {
return this.columnGap;
}
/**
* Get the main reference area.
*
* @return the main reference area
*/
public MainReference getMainReference() {
return mainReference;
}
/**
* indicates whether the main reference area has any child areas added to it
*
* @return whether the main reference area has any child areas added to it
*/
public boolean isEmpty() {
return (mainReference == null || mainReference.isEmpty())
&& (footnote == null || footnote.isEmpty())
&& (beforeFloat == null || beforeFloat.isEmpty());
}
/**
* Get the before float area.
*
* @return the before float area
*/
public BeforeFloat getBeforeFloat() {
if (beforeFloat == null) {
beforeFloat = new BeforeFloat();
}
return beforeFloat;
}
/**
* Get the footnote area.
*
* @return the footnote area
*/
public Footnote getFootnote() {
if (footnote == null) {
footnote = new Footnote();
}
return footnote;
}
/**
* Clone this object.
*
* @return a shallow copy of this object
*/
public Object clone() {
BodyRegion br = new BodyRegion((RegionBody) regionFO, regionViewport);
br.setCTM(getCTM());
br.setIPD(getIPD());
br.beforeFloat = beforeFloat;
br.mainReference = mainReference;
br.footnote = footnote;
return br;
}
}
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