1 /* 2 * Copyright (c) 2010, 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.xr; 27 28 import java.awt.Color; 29 import java.awt.Transparency; 30 import sun.java2d.SurfaceData; 31 import sun.java2d.SurfaceDataProxy; 32 import sun.java2d.loops.CompositeType; 33 34 /** 35 * The proxy class contains the logic if to replace a SurfaceData with a 36 * cached X11 Pixmap and the code to create the accelerated surfaces. 37 */ 38 public class XRSurfaceDataProxy extends SurfaceDataProxy implements Transparency { 39 40 public static SurfaceDataProxy createProxy(SurfaceData srcData, 41 XRGraphicsConfig dstConfig) { 42 43 /*Don't cache already native surfaces*/ 44 if (srcData instanceof XRSurfaceData) { 45 return UNCACHED; 46 } 47 48 return new XRSurfaceDataProxy(dstConfig, srcData.getTransparency()); 49 } 50 51 XRGraphicsConfig xrgc; 52 int transparency; 53 54 public XRSurfaceDataProxy(XRGraphicsConfig x11gc) { 55 this.xrgc = x11gc; 56 } 57 58 @Override 59 public SurfaceData validateSurfaceData(SurfaceData srcData, 60 SurfaceData cachedData, int w, int h) { 61 if (cachedData == null) { 62 cachedData = XRSurfaceData.createData(xrgc, w, h, 63 xrgc.getColorModel(), null, 0, 64 getTransparency(), true); 65 } 66 return cachedData; 67 } 68 69 public XRSurfaceDataProxy(XRGraphicsConfig x11gc, int transparency) { 70 this.xrgc = x11gc; 71 this.transparency = transparency; 72 } 73 74 //TODO: Is that really ok? 75 @Override 76 public boolean isSupportedOperation(SurfaceData srcData, int txtype, 77 CompositeType comp, Color bgColor) { 78 return (bgColor == null || transparency == Transparency.TRANSLUCENT); 79 } 80 81 public int getTransparency() { 82 return transparency; 83 } 84 }