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Java > Open Source Codes > org > apache > fop > render > rtf > rtflib > rtfdoc > ITableColumnsInfo


1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17
18 /* $Id: ITableColumnsInfo.java 426576 2006-07-28 15:44:37Z jeremias $ */
19
20 package org.apache.fop.render.rtf.rtflib.rtfdoc;
21
22 /*
23  * This file is part of the RTF library of the FOP project, which was originally
24  * created by Bertrand Delacretaz <bdelacretaz@codeconsult.ch> and by other
25  * contributors to the jfor project (www.jfor.org), who agreed to donate jfor to
26  * the FOP project.
27  */
28
29 /** Used to get information about tables, for example when handling nested tables
30  * @author Bertrand Delacretaz bdelacretaz@codeconsult.ch
31  */
32
33 public interface ITableColumnsInfo {
34     /** value for invalid column width */
35     float INVALID_COLUMN_WIDTH = 200f;
36
37     /** reset the column iteration index, meant to be called when creating a new row */
38     void selectFirstColumn();
39
40     /** increment the column iteration index */
41     void selectNextColumn();
42
43     /** get current column width according to column iteration index
44      * @return INVALID_COLUMN_WIDTH if we cannot find the value
45      */
46     float getColumnWidth();
47
48     /** @return current column iteration index */
49     int getColumnIndex();
50
51     /** @return number of columns */
52     int getNumberOfColumns();
53     
54     /**
55      *
56      * @return true, if it's the first of multiple spanning columns
57      */
58     boolean getFirstSpanningCol();
59 }
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