01: /*
02: * Copyright 2000-2001 Sun Microsystems, Inc. All Rights Reserved.
03: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04: *
05: * This code is free software; you can redistribute it and/or modify it
06: * under the terms of the GNU General Public License version 2 only, as
07: * published by the Free Software Foundation. Sun designates this
08: * particular file as subject to the "Classpath" exception as provided
09: * by Sun in the LICENSE file that accompanied this code.
10: *
11: * This code is distributed in the hope that it will be useful, but WITHOUT
12: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14: * version 2 for more details (a copy is included in the LICENSE file that
15: * accompanied this code).
16: *
17: * You should have received a copy of the GNU General Public License version
18: * 2 along with this work; if not, write to the Free Software Foundation,
19: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20: *
21: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22: * CA 95054 USA or visit www.sun.com if you need additional information or
23: * have any questions.
24: */
25:
26: package java.awt;
27:
28: /**
29: * Capabilities and properties of images.
30: * @author Michael Martak
31: * @since 1.4
32: */
33: public class ImageCapabilities implements Cloneable {
34:
35: private boolean accelerated = false;
36:
37: /**
38: * Creates a new object for specifying image capabilities.
39: * @param accelerated whether or not an accelerated image is desired
40: */
41: public ImageCapabilities(boolean accelerated) {
42: this .accelerated = accelerated;
43: }
44:
45: /**
46: * Returns <code>true</code> if the object whose capabilities are
47: * encapsulated in this <code>ImageCapabilities</code> can be or is
48: * accelerated.
49: * @return whether or not an image can be, or is, accelerated. There are
50: * various platform-specific ways to accelerate an image, including
51: * pixmaps, VRAM, AGP. This is the general acceleration method (as
52: * opposed to residing in system memory).
53: */
54: public boolean isAccelerated() {
55: return accelerated;
56: }
57:
58: /**
59: * Returns <code>true</code> if the <code>VolatileImage</code>
60: * described by this <code>ImageCapabilities</code> can lose
61: * its surfaces.
62: * @return whether or not a volatile image is subject to losing its surfaces
63: * at the whim of the operating system.
64: */
65: public boolean isTrueVolatile() {
66: return false;
67: }
68:
69: /**
70: * @return a copy of this ImageCapabilities object.
71: */
72: public Object clone() {
73: try {
74: return super .clone();
75: } catch (CloneNotSupportedException e) {
76: // Since we implement Cloneable, this should never happen
77: throw new InternalError();
78: }
79: }
80:
81: }
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