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Diffstat (limited to 'src/solaris/classes/sun/java2d/xr/XRVolatileSurfaceManager.java')
-rw-r--r-- | src/solaris/classes/sun/java2d/xr/XRVolatileSurfaceManager.java | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/src/solaris/classes/sun/java2d/xr/XRVolatileSurfaceManager.java b/src/solaris/classes/sun/java2d/xr/XRVolatileSurfaceManager.java new file mode 100644 index 000000000..ef8c00987 --- /dev/null +++ b/src/solaris/classes/sun/java2d/xr/XRVolatileSurfaceManager.java @@ -0,0 +1,94 @@ +/* + * Copyright 2010 Sun Microsystems, Inc. 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. Sun designates this + * particular file as subject to the "Classpath" exception as provided + * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.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); + } +} |