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