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| 1 | +/* | |
| 2 | + * Copyright (c) 2007, 2008, 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 sun.java2d.pipe.hw; | |
| 27 | + | |
| 28 | +import java.awt.image.VolatileImage; | |
| 29 | + | |
| 30 | +/** | |
| 31 | + * Implementors of this interface provida a way to create a | |
| 32 | + * {@code VolatileImage} whose destination surface is an | |
| 33 | + * {@link AccelSurface} of specified type. | |
| 34 | + * | |
| 35 | + * @see AccelSurface | |
| 36 | + */ | |
| 37 | +public interface AccelGraphicsConfig extends BufferedContextProvider { | |
| 38 | + /** | |
| 39 | + * Returns a VolatileImage with specified width, height, transparency | |
| 40 | + * and guaranteed accelerated surface type. If such image can not be created | |
| 41 | + * (out of vram error, specific surface type is not supported) null | |
| 42 | + * is returned. | |
| 43 | + * | |
| 44 | + * Note: if {@link AccelSurface#TEXTURE} type is requested, rendering | |
| 45 | + * to the image will be denied by throwing | |
| 46 | + * {@code UnsupportedOperationException } | |
| 47 | + * from {@link java.awt.image.VolatileImage#getGraphics} and | |
| 48 | + * {@link java.awt.image.VolatileImage#createGraphics} | |
| 49 | + * | |
| 50 | + * @param width the width of the returned {@code VolatileImage} | |
| 51 | + * @param height the height of the returned {@code VolatileImage} | |
| 52 | + * @param transparency the specified transparency mode | |
| 53 | + * @param type requested accelerated surface type as specified by constants | |
| 54 | + * in AccelSurface interface | |
| 55 | + * @return a {@code VolatileImage} backed up by requested accelerated | |
| 56 | + * surface type or null | |
| 57 | + * @throws IllegalArgumentException if the transparency is not a valid value | |
| 58 | + * @see AccelSurface#TEXTURE | |
| 59 | + * @see AccelSurface#RT_PLAIN | |
| 60 | + * @see AccelSurface#RT_TEXTURE | |
| 61 | + */ | |
| 62 | + public VolatileImage createCompatibleVolatileImage(int width, int height, | |
| 63 | + int transparency, | |
| 64 | + int type); | |
| 65 | + /** | |
| 66 | + * Returns object representing capabilities of the context associated | |
| 67 | + * with this {@code AccelGraphicsConfig}. | |
| 68 | + * | |
| 69 | + * @return ContextCapabilities object representing caps | |
| 70 | + * @see ContextCapabilities | |
| 71 | + */ | |
| 72 | + public ContextCapabilities getContextCapabilities(); | |
| 73 | + | |
| 74 | + /** | |
| 75 | + * Adds an {@code AccelDeviceEventListener} to listen to accelerated | |
| 76 | + * device's (which is associated with this {@code AccelGraphicsConfig}) | |
| 77 | + * events. | |
| 78 | + * | |
| 79 | + * Note: a hard link to the listener may be kept so it must be explicitly | |
| 80 | + * removed via {@link #removeDeviceEventListener()}. | |
| 81 | + * | |
| 82 | + * @param l the listener | |
| 83 | + * @see AccelDeviceEventListener | |
| 84 | + */ | |
| 85 | + public void addDeviceEventListener(AccelDeviceEventListener l); | |
| 86 | + | |
| 87 | + /** | |
| 88 | + * Removes an {@code AccelDeviceEventListener} from the list of listeners | |
| 89 | + * for this device's events. | |
| 90 | + * | |
| 91 | + * @param l the listener | |
| 92 | + * @see AccelDeviceEventListener | |
| 93 | + */ | |
| 94 | + public void removeDeviceEventListener(AccelDeviceEventListener l); | |
| 95 | +} | |