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| 1 | +/* | |
| 2 | + * Copyright (c) 2000, 2001, 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 | + | |
| 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 | +} | |