01: /*BEGIN_COPYRIGHT_BLOCK
02: *
03: * Copyright (c) 2001-2007, JavaPLT group at Rice University (javaplt@rice.edu)
04: * All rights reserved.
05: *
06: * Redistribution and use in source and binary forms, with or without
07: * modification, are permitted provided that the following conditions are met:
08: * * Redistributions of source code must retain the above copyright
09: * 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.
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29: * This software is Open Source Initiative approved Open Source Software.
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35: * END_COPYRIGHT_BLOCK*/
36:
37: package edu.rice.cs.util.swing;
38:
39: import javax.swing.*;
40: import java.awt.*;
41:
42: public class LayeredIcon implements Icon {
43: private Icon[] _layers;
44: private int[] _xoffs;
45: private int[] _yoffs;
46: private int _w = 0;
47: private int _h = 0;
48:
49: public LayeredIcon(Icon[] layers, int[] x, int[] y) {
50: _layers = layers;
51: _xoffs = x;
52: _yoffs = y;
53: if (layers.length != x.length || x.length != y.length) {
54: throw new IllegalArgumentException(
55: "Array lengths don't match");
56: }
57: _w = 0;
58: _h = 0;
59: for (int i = 0; i < layers.length; i++) {
60: if (layers[i] != null) {
61: _w = Math.max(_w, layers[i].getIconWidth() + x[i]);
62: _h = Math.max(_h, layers[i].getIconHeight() + x[i]);
63: }
64: }
65: }
66:
67: public int getIconHeight() {
68: return _h;
69: }
70:
71: public int getIconWidth() {
72: return _w;
73: }
74:
75: public void paintIcon(Component c, Graphics g, int x, int y) {
76: for (int i = 0; i < _layers.length; i++) {
77: Icon ico = _layers[i];
78: if (ico != null)
79: _layers[i]
80: .paintIcon(c, g, x + _xoffs[i], y + _yoffs[i]);
81: }
82: }
83:
84: public Icon[] getLayers() {
85: return _layers;
86: }
87:
88: public int[] getXOffsets() {
89: return _xoffs;
90: }
91:
92: public int[] getYOffsets() {
93: return _xoffs;
94: }
95: }
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