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.Graphics; 29 import java.awt.Graphics2D; 30 import java.awt.GraphicsConfiguration; 31 import sun.awt.image.SunVolatileImage; 32 import static sun.java2d.pipe.hw.AccelSurface.*; 33 34 /** 35 * This is an image with forced type of the accelerated surface. 36 */ 37 public class AccelTypedVolatileImage extends SunVolatileImage { 38 39 /** 40 * Creates a volatile image with specified type of accelerated surface. 41 * 42 * @param graphicsConfig a GraphicsConfiguration for which this image should 43 * be created. 44 * @param width width 45 * @param height width 46 * @param transparency type of {@link java.awt.Transparency transparency} 47 * requested for the image 48 * @param accType type of the desired accelerated surface as defined in 49 * AccelSurface interface 50 * @see sun.java2d.pipe.hw.AccelSurface 51 */ AccelTypedVolatileImage(GraphicsConfiguration graphicsConfig, int width, int height, int transparency, int accType)52 public AccelTypedVolatileImage(GraphicsConfiguration graphicsConfig, 53 int width, int height, int transparency, 54 int accType) 55 { 56 super(null, graphicsConfig, width, height, null, transparency, 57 null, accType); 58 } 59 60 /** 61 * {@inheritDoc} 62 * 63 * This method will throw {@code UnsupportedOperationException} if it this 64 * image's destination surface can not be rendered to. 65 */ 66 @Override createGraphics()67 public Graphics2D createGraphics() { 68 if (getForcedAccelSurfaceType() == TEXTURE) { 69 throw new UnsupportedOperationException("Can't render " + 70 "to a non-RT Texture"); 71 } 72 return super.createGraphics(); 73 } 74 } 75