1/*
2 * Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package java.awt;
27
28/**
29 * Capabilities and properties of images.
30 * @author Michael Martak
31 * @since 1.4
32 */
33public 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} if the object whose capabilities are
47     * encapsulated in this {@code ImageCapabilities} 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} if the {@code VolatileImage}
60     * described by this {@code ImageCapabilities} 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(e);
78        }
79    }
80
81}
82