01: /*
02: * @(#)ImageCapabilities.java 1.4 06/10/10
03: *
04: * Copyright 1990-2006 Sun Microsystems, Inc. All Rights Reserved.
05: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
06: *
07: * This program is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU General Public License version
09: * 2 only, as published by the Free Software Foundation.
10: *
11: * This program is distributed in the hope that it will be useful, but
12: * WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * General Public License version 2 for more details (a copy is
15: * included at /legal/license.txt).
16: *
17: * You should have received a copy of the GNU General Public License
18: * version 2 along with this work; if not, write to the Free Software
19: * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20: * 02110-1301 USA
21: *
22: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
23: * Clara, CA 95054 or visit www.sun.com if you need additional
24: * information or have any questions.
25: */
26:
27: package java.awt;
28:
29: /**
30: * Capabilities and properties of images.
31: * @author Michael Martak
32: * @since 1.4
33: */
34: public class ImageCapabilities implements Cloneable {
35:
36: private boolean accelerated = false;
37:
38: /**
39: * Creates a new object for specifying image capabilities.
40: * @param accelerated whether or not an accelerated image is desired
41: */
42: public ImageCapabilities(boolean accelerated) {
43: this .accelerated = accelerated;
44: }
45:
46: /**
47: * Returns <code>true</code> if the object whose capabilities are
48: * encapsulated in this <code>ImageCapabilities</code> can be or is
49: * accelerated.
50: * @return whether or not an image can be, or is, accelerated. There are
51: * various platform-specific ways to accelerate an image, including
52: * pixmaps, VRAM, AGP. This is the general acceleration method (as
53: * opposed to residing in system memory).
54: */
55: public boolean isAccelerated() {
56: return accelerated;
57: }
58:
59: /**
60: * Returns <code>true</code> if the <code>VolatileImage</code>
61: * described by this <code>ImageCapabilities</code> can lose
62: * its surfaces.
63: * @return whether or not a volatile image is subject to losing its surfaces
64: * at the whim of the operating system.
65: */
66: public boolean isTrueVolatile() {
67: return false;
68: }
69:
70: /**
71: * @return a copy of this ImageCapabilities object.
72: */
73: public Object clone() {
74: try {
75: return super .clone();
76: } catch (CloneNotSupportedException e) {
77: // Since we implement Cloneable, this should never happen
78: throw new InternalError();
79: }
80: }
81:
82: }
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