1 /*
2
3 dsh-venn Lightweight components for venn diagrams.
4 Copyright (c) 2009-2013 held jointly by the individual authors.
5
6 This library is free software; you can redistribute it and/or modify it
7 under the terms of the GNU Lesser General Public License as published
8 by the Free Software Foundation; either version 3 of the License, or (at
9 your option) any later version.
10
11 This library is distributed in the hope that it will be useful, but WITHOUT
12 ANY WARRANTY; with out even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
14 License for more details.
15
16 You should have received a copy of the GNU Lesser General Public License
17 along with this library; if not, write to the Free Software Foundation,
18 Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
19
20 > http://www.fsf.org/licensing/licenses/lgpl.html
21 > http://www.opensource.org/licenses/lgpl-license.php
22
23 */
24 package org.dishevelled.venn;
25
26 import java.awt.Shape;
27
28 import java.awt.geom.Point2D;
29
30 /**
31 * Result of a binary venn diagram layout operation.
32 *
33 * @author Michael Heuer
34 */
35 public interface BinaryVennLayout extends VennLayout
36 {
37
38 /**
39 * Return the shape for the first set.
40 *
41 * @return the shape for the first set
42 */
43 Shape firstShape();
44
45 /**
46 * Return the shape for the second set.
47 *
48 * @return the shape for the second set
49 */
50 Shape secondShape();
51
52 /**
53 * Return the lune center of the first only area.
54 *
55 * @return the lune center of the first only area
56 */
57 Point2D firstOnlyLuneCenter(); // todo: or just firstOnlyCenter()?
58
59 /**
60 * Return the lune center of the second only area.
61 *
62 * @return the lune center of the second only area
63 */
64 Point2D secondOnlyLuneCenter();
65
66 /**
67 * Return the lune center of the intersection area.
68 *
69 * @return the lune center of the intersection area
70 */
71 Point2D intersectionLuneCenter();
72 }