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.geom.AffineTransform; 32 import java.awt.image.BufferedImage; 33 import sun.java2d.SurfaceData; 34 import sun.java2d.loops.CompositeType; 35 36 /** 37 * This SurfaceManager variant manages the default (software) surface of a 38 * BufferedImage. 39 * All rendering to the image will use the software surface as the destination. 40 * This is one of the more minimalist implementations of SurfaceManager. 41 */ 42 public class BufImgSurfaceManager extends SurfaceManager { 43 /** 44 * A reference to the BufferedImage whose contents are being managed. 45 */ 46 protected BufferedImage bImg; 47 48 /** 49 * The default (software) surface containing the contents of the 50 * BufferedImage. 51 */ 52 protected SurfaceData sdDefault; 53 54 public BufImgSurfaceManager(BufferedImage bImg) { 55 this.bImg = bImg; 56 GraphicsConfiguration graphicsConfiguration = bImg.getGraphicsConfig(); 57 if (graphicsConfiguration != null) { 58 this.sdDefault = BufImgSurfaceData.createData(bImg, 59 graphicsConfiguration.getDefaultTransform().getScaleX() 60 , graphicsConfiguration.getDefaultTransform().getScaleY()); 61 } else { 62 this.sdDefault = BufImgSurfaceData.createData(bImg); 63 } 64 } 65 66 public SurfaceData getPrimarySurfaceData() { 67 return sdDefault; 68 } 69 70 /** 71 * Called from platform-specific SurfaceData objects to attempt to 72 * auto-restore the contents of an accelerated surface that has been lost. 73 */ 74 public SurfaceData restoreContents() { 75 return sdDefault; 76 } 77 }