01: /*
02: * Copyright (c) 2001-2007 JGoodies Karsten Lentzsch. All Rights Reserved.
03: *
04: * Redistribution and use in source and binary forms, with or without
05: * modification, are permitted provided that the following conditions are met:
06: *
07: * o Redistributions of source code must retain the above copyright notice,
08: * this list of conditions and the following disclaimer.
09: *
10: * o Redistributions in binary form must reproduce the above copyright notice,
11: * this list of conditions and the following disclaimer in the documentation
12: * and/or other materials provided with the distribution.
13: *
14: * o Neither the name of JGoodies Karsten Lentzsch nor the names of
15: * its contributors may be used to endorse or promote products derived
16: * from this software without specific prior written permission.
17: *
18: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
20: * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
22: * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
23: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
25: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
26: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
27: * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
28: * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29: */
30:
31: package com.jgoodies.looks.common;
32:
33: import java.awt.Component;
34: import java.awt.Dimension;
35: import java.awt.Graphics;
36:
37: import javax.swing.Icon;
38:
39: import com.jgoodies.looks.Options;
40:
41: /**
42: * An <code>Icon</code> with a minimum size that is read from the
43: * <code>UIManager</code> <code>defaultIconSize</code> key.
44: *
45: * @author Karsten Lentzsch
46: * @version $Revision: 1.3 $
47: */
48:
49: public class MinimumSizedIcon implements Icon {
50:
51: private final Icon icon;
52: private final int width;
53: private final int height;
54: private final int xOffset;
55: private final int yOffset;
56:
57: public MinimumSizedIcon() {
58: this (null);
59: }
60:
61: public MinimumSizedIcon(Icon icon) {
62: Dimension minimumSize = Options.getDefaultIconSize();
63: this .icon = icon;
64: int iconWidth = icon == null ? 0 : icon.getIconWidth();
65: int iconHeight = icon == null ? 0 : icon.getIconHeight();
66: width = Math.max(iconWidth, Math.max(20, minimumSize.width));
67: height = Math.max(iconHeight, Math.max(20, minimumSize.height));
68: xOffset = Math.max(0, (width - iconWidth) / 2);
69: yOffset = Math.max(0, (height - iconHeight) / 2);
70: }
71:
72: public int getIconHeight() {
73: return height;
74: }
75:
76: public int getIconWidth() {
77: return width;
78: }
79:
80: public void paintIcon(Component c, Graphics g, int x, int y) {
81: if (icon != null)
82: icon.paintIcon(c, g, x + xOffset, y + yOffset);
83: }
84:
85: }
|