/*********************************************************************
 *
 *      Copyright (C) 2002 Andrew Khan
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 ***************************************************************************/

package org.xbib.datastructures.xslx.jxl.write.biff;

import org.xbib.datastructures.xslx.jxl.biff.IntegerHelper;
import org.xbib.datastructures.xslx.jxl.biff.Type;
import org.xbib.datastructures.xslx.jxl.biff.WritableRecordData;

/**
 * Contains the list of explicit horizontal page breaks on the current sheet
 */
class VerticalPageBreaksRecord extends WritableRecordData {
    /**
     * The row breaks
     */
    private final int[] columnBreaks;

    /**
     * Constructor
     *
     * @param break the row breaks
     */
    public VerticalPageBreaksRecord(int[] breaks) {
        super(Type.VERTICALPAGEBREAKS);

        columnBreaks = breaks;
    }

    /**
     * Gets the binary data to write to the output file
     *
     * @return the binary data
     */
    public byte[] getData() {
        byte[] data = new byte[columnBreaks.length * 6 + 2];

        // The number of breaks on the list
        IntegerHelper.getTwoBytes(columnBreaks.length, data, 0);
        int pos = 2;

        for (int i = 0; i < columnBreaks.length; i++) {
            IntegerHelper.getTwoBytes(columnBreaks[i], data, pos);
            IntegerHelper.getTwoBytes(0xff, data, pos + 4);
            pos += 6;
        }

        return data;
    }
}


