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Java > Open Source Codes > net > sf > jasperreports > engine > JRPrintAnchorIndex


1 /*
2  * ============================================================================
3  * GNU Lesser General Public License
4  * ============================================================================
5  *
6  * JasperReports - Free Java report-generating library.
7  * Copyright (C) 2001-2006 JasperSoft Corporation http://www.jaspersoft.com
8  *
9  * This library is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with this library; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
22  *
23  * JasperSoft Corporation
24  * 303 Second Street, Suite 450 North
25  * San Francisco, CA 94107
26  * http://www.jaspersoft.com
27  */
28 package net.sf.jasperreports.engine;
29
30
31
32 /**
33  * @author Teodor Danciu (teodord@users.sourceforge.net)
34  * @version $Id: JRPrintAnchorIndex.java 1422 2006-10-06 19:00:11 +0300 (Fri, 06 Oct 2006) lucianc $
35  */
36 public class JRPrintAnchorIndex
37 {
38
39
40     /**
41      *
42      */
43     private int pageIndex = 0;
44     private JRPrintElement element = null;
45     private final int offsetX;
46     private final int offsetY;
47
48     
49     /**
50      * Creates an element anchor.
51      *
52      * @param page the index of the page in the report
53      * @param elem the element
54      */
55     public JRPrintAnchorIndex(
56             int page,
57             JRPrintElement elem)
58     {
59         this (page, elem, 0, 0);
60     }
61     
62     
63     /**
64      * Creates an element anchor.
65      *
66      * @param page the index of the page in the report
67      * @param elem the element
68      * @param offsetX the X offset of the element coordinates system
69      * @param offsetY the Y offset of the element coordinates system
70      * @see #getElementAbsoluteX()
71      * @see #getElementAbsoluteY()
72      */
73     public JRPrintAnchorIndex(int page, JRPrintElement elem, int offsetX, int offsetY)
74     {
75         this.pageIndex = page;
76         this.element = elem;
77         this.offsetX = offsetX;
78         this.offsetY = offsetY;
79     }
80
81
82     /**
83      *
84      */
85     public int getPageIndex()
86     {
87         return this.pageIndex;
88     }
89         
90
91     /**
92      *
93      */
94     public JRPrintElement getElement()
95     {
96         return this.element;
97     }
98     
99     
100     /**
101      * Returns the absolute (relative to the report page) X coordinate of the anchor element.
102      * <p>
103      * This can be different than {@link JRPrintElement#getX() getElement().getX()} for elements
104      * placed inside a {@link JRPrintFrame frame}.
105      * </p>
106      *
107      * @return the absolute X coordinate of the anchor element
108      */
109     public int getElementAbsoluteX()
110     {
111         return element.getX() + offsetX;
112     }
113     
114     
115     /**
116      * Returns the absolute (relative to the report page) Y coordinate of the anchor element.
117      * <p>
118      * This can be different than {@link JRPrintElement#getY() getElement().getY()} for elements
119      * placed inside a {@link JRPrintFrame frame}.
120      * </p>
121      *
122      * @return the absolute Y coordinate of the anchor element
123      */
124     public int getElementAbsoluteY()
125     {
126         return element.getY() + offsetY;
127     }
128
129
130 }
131
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