| /* |
| * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package sun.java2d.xr; |
| |
| import java.awt.GraphicsConfiguration; |
| import java.awt.ImageCapabilities; |
| import java.awt.image.ColorModel; |
| import sun.awt.image.SunVolatileImage; |
| import sun.awt.image.VolatileSurfaceManager; |
| import sun.java2d.SurfaceData; |
| |
| /** |
| * XRender platform implementation of the VolatileSurfaceManager class. |
| */ |
| public class XRVolatileSurfaceManager extends VolatileSurfaceManager { |
| |
| public XRVolatileSurfaceManager(SunVolatileImage vImg, Object context) { |
| super(vImg, context); |
| } |
| |
| protected boolean isAccelerationEnabled() { |
| return true; |
| } |
| |
| /** |
| * Create a pixmap-based SurfaceData object |
| */ |
| protected SurfaceData initAcceleratedSurface() { |
| SurfaceData sData; |
| |
| try { |
| XRGraphicsConfig gc = (XRGraphicsConfig) vImg.getGraphicsConfig(); |
| ColorModel cm = gc.getColorModel(); |
| long drawable = 0; |
| if (context instanceof Long) { |
| drawable = ((Long)context).longValue(); |
| } |
| sData = XRSurfaceData.createData(gc, |
| vImg.getWidth(), |
| vImg.getHeight(), |
| cm, vImg, drawable, |
| vImg.getTransparency()); |
| } catch (NullPointerException ex) { |
| sData = null; |
| } catch (OutOfMemoryError er) { |
| sData = null; |
| } |
| |
| return sData; |
| } |
| |
| /** |
| * XRender should allow copies between different formats and depths. |
| * TODO: verify that this assumption is correct. |
| */ |
| protected boolean isConfigValid(GraphicsConfiguration gc) { |
| return true; |
| } |
| |
| /** |
| * Need to override the default behavior because Pixmaps-based |
| * images are accelerated but not volatile. |
| */ |
| @Override |
| public ImageCapabilities getCapabilities(GraphicsConfiguration gc) { |
| if (isConfigValid(gc) && isAccelerationEnabled()) { |
| return new ImageCapabilities(true); |
| } |
| return new ImageCapabilities(false); |
| } |
| } |