1 /* 2 * Copyright (c) 2007, 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.awt.image; 27 28 import java.awt.GraphicsConfiguration; 29 import java.awt.GraphicsEnvironment; 30 import java.awt.ImageCapabilities; 31 import java.awt.image.BufferedImage; 32 import sun.java2d.SurfaceData; 33 import sun.java2d.loops.CompositeType; 34 35 /** 36 * This SurfaceManager variant manages the default (software) surface of a 37 * BufferedImage. 38 * All rendering to the image will use the software surface as the destination. 39 * This is one of the more minimalist implementations of SurfaceManager. 40 */ 41 public class BufImgSurfaceManager extends SurfaceManager { 42 /** 43 * A reference to the BufferedImage whose contents are being managed. 44 */ 45 protected BufferedImage bImg; 46 47 /** 48 * The default (software) surface containing the contents of the 49 * BufferedImage. 50 */ 51 protected SurfaceData sdDefault; 52 BufImgSurfaceManager(BufferedImage bImg)53 public BufImgSurfaceManager(BufferedImage bImg) { 54 this.bImg = bImg; 55 this.sdDefault = BufImgSurfaceData.createData(bImg); 56 } 57 getPrimarySurfaceData()58 public SurfaceData getPrimarySurfaceData() { 59 return sdDefault; 60 } 61 62 /** 63 * Called from platform-specific SurfaceData objects to attempt to 64 * auto-restore the contents of an accelerated surface that has been lost. 65 */ restoreContents()66 public SurfaceData restoreContents() { 67 return sdDefault; 68 } 69 } 70