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Java > Open Source Codes > jxl > read > biff > MarginRecord


1 /*********************************************************************
2 *
3 * Copyright (C) 2002 Andrew Khan
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 ***************************************************************************/
19
20 package jxl.read.biff;
21
22 import jxl.biff.Type;
23 import jxl.biff.RecordData;
24 import jxl.biff.DoubleHelper;
25
26 /**
27  * Abstract class containing the margin value for top,left,right and bottom
28  * margins
29  */
30 abstract class MarginRecord extends RecordData
31 {
32   /**
33    * The size of the margin
34    */
35   private double margin;
36
37   /**
38    * Constructs this record from the raw data
39    *
40    * @param t the type
41    * @param r the record
42    */
43   protected MarginRecord(Type t, Record r)
44   {
45     super(t);
46
47     byte[] data = r.getData();
48
49     margin = DoubleHelper.getIEEEDouble(data, 0);
50   }
51
52   /**
53    * Accessor for the margin
54    *
55    * @return the margin
56    */
57   double getMargin()
58   {
59     return margin;
60   }
61 }
62
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