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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 | } | ||