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1 | /*BEGIN_COPYRIGHT_BLOCK | |
2 | * | |
3 | * Copyright (c) 2001-2010, JavaPLT group at Rice University (drjava@rice.edu) | |
4 | * All rights reserved. | |
5 | * | |
6 | * Redistribution and use in source and binary forms, with or without | |
7 | * modification, are permitted provided that the following conditions are met: | |
8 | * * Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * * Redistributions in binary form must reproduce the above copyright | |
11 | * notice, this list of conditions and the following disclaimer in the | |
12 | * documentation and/or other materials provided with the distribution. | |
13 | * * Neither the names of DrJava, the JavaPLT group, Rice University, nor the | |
14 | * names of its contributors may be used to endorse or promote products | |
15 | * derived from this software without specific prior written permission. | |
16 | * | |
17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
18 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
19 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
20 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR | |
21 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
22 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
23 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
24 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
25 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
26 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
27 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
28 | * | |
29 | * This software is Open Source Initiative approved Open Source Software. | |
30 | * Open Source Initative Approved is a trademark of the Open Source Initiative. | |
31 | * | |
32 | * This file is part of DrJava. Download the current version of this project | |
33 | * from http://www.drjava.org/ or http://sourceforge.net/projects/drjava/ | |
34 | * | |
35 | * END_COPYRIGHT_BLOCK*/ | |
36 | ||
37 | package edu.rice.cs.util.swing; | |
38 | ||
39 | import javax.swing.*; | |
40 | import java.awt.*; | |
41 | ||
42 | /** This icon takes the given icon and centers it into a canvas of the given width and height. This is like a canvas | |
43 | * resize for Icons. If the new size is smaller than the icon's size, then the edges of the given icon are clipped. | |
44 | */ | |
45 | public class CenteredIcon implements Icon { | |
46 | private Icon _base; | |
47 | private int _w=0; | |
48 | private int _h=0; | |
49 | 0 | public CenteredIcon(Icon base, int width, int height) { |
50 | 0 | _base = base; |
51 | 0 | _w = width; |
52 | 0 | _h = height; |
53 | } | |
54 | 0 | public int getIconHeight() { return _h; } |
55 | 0 | public int getIconWidth() { return _w; } |
56 | 0 | public void paintIcon(Component c, Graphics g, int x, int y){ |
57 | 0 | Shape oldClip = g.getClip(); |
58 | 0 | g.setClip(x, y, _w, _h); |
59 | 0 | int centerX = x + (_w/2); |
60 | 0 | int centerY = y + (_h/2); |
61 | 0 | int subRadX = _base.getIconWidth() / 2; |
62 | 0 | int subRadY = _base.getIconHeight() / 2; |
63 | 0 | _base.paintIcon(c, g, centerX - subRadX, centerY - subRadY); |
64 | 0 | g.setClip(oldClip); |
65 | } | |
66 | 0 | public Icon getBaseIcon() { return _base; } |
67 | } |
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