| /* |
| * Copyright (c) 2007, 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.x11; |
| |
| import java.awt.Color; |
| import java.awt.AlphaComposite; |
| import java.awt.GraphicsConfiguration; |
| import java.awt.Transparency; |
| import java.awt.image.ColorModel; |
| import java.awt.image.IndexColorModel; |
| import java.awt.image.DirectColorModel; |
| |
| import sun.awt.X11GraphicsConfig; |
| import sun.java2d.SurfaceData; |
| import sun.java2d.SurfaceDataProxy; |
| import sun.java2d.SunGraphics2D; |
| import sun.java2d.loops.SurfaceType; |
| import sun.java2d.loops.CompositeType; |
| |
| /** |
| * The proxy class contains the logic for when to replace a |
| * SurfaceData with a cached X11 Pixmap and the code to create |
| * the accelerated surfaces. |
| */ |
| public abstract class X11SurfaceDataProxy extends SurfaceDataProxy |
| implements Transparency |
| { |
| public static SurfaceDataProxy createProxy(SurfaceData srcData, |
| X11GraphicsConfig dstConfig) |
| { |
| if (srcData instanceof X11SurfaceData) { |
| // srcData must be a VolatileImage which either matches |
| // our visual or not - either way we do not cache it... |
| return UNCACHED; |
| } |
| |
| ColorModel cm = srcData.getColorModel(); |
| int transparency = cm.getTransparency(); |
| |
| if (transparency == Transparency.OPAQUE) { |
| return new Opaque(dstConfig); |
| } else if (transparency == Transparency.BITMASK) { |
| // 4673490: updateBitmask() only handles ICMs with 8-bit indices |
| if ((cm instanceof IndexColorModel) && cm.getPixelSize() == 8) { |
| return new Bitmask(dstConfig); |
| } |
| // The only other ColorModel handled by updateBitmask() is |
| // a DCM where the alpha bit, and only the alpha bit, is in |
| // the top 8 bits |
| if (cm instanceof DirectColorModel) { |
| DirectColorModel dcm = (DirectColorModel) cm; |
| int colormask = (dcm.getRedMask() | |
| dcm.getGreenMask() | |
| dcm.getBlueMask()); |
| int alphamask = dcm.getAlphaMask(); |
| |
| if ((colormask & 0xff000000) == 0 && |
| (alphamask & 0xff000000) != 0) |
| { |
| return new Bitmask(dstConfig); |
| } |
| } |
| } |
| |
| // For whatever reason, this image is not a good candidate for |
| // caching in a pixmap so we return the non-caching (non-)proxy. |
| return UNCACHED; |
| } |
| |
| X11GraphicsConfig x11gc; |
| |
| public X11SurfaceDataProxy(X11GraphicsConfig x11gc) { |
| this.x11gc = x11gc; |
| } |
| |
| @Override |
| public SurfaceData validateSurfaceData(SurfaceData srcData, |
| SurfaceData cachedData, |
| int w, int h) |
| { |
| if (cachedData == null) { |
| // Bitmask will be created lazily during the blit phase |
| cachedData = X11SurfaceData.createData(x11gc, w, h, |
| x11gc.getColorModel(), |
| null, 0, getTransparency()); |
| } |
| return cachedData; |
| } |
| |
| /** |
| * Proxy for opaque source images. |
| * This proxy can accelerate unscaled Src copies. |
| */ |
| public static class Opaque extends X11SurfaceDataProxy { |
| public Opaque(X11GraphicsConfig x11gc) { |
| super(x11gc); |
| } |
| |
| public int getTransparency() { |
| return Transparency.OPAQUE; |
| } |
| |
| @Override |
| public boolean isSupportedOperation(SurfaceData srcData, |
| int txtype, |
| CompositeType comp, |
| Color bgColor) |
| { |
| return (txtype < SunGraphics2D.TRANSFORM_TRANSLATESCALE && |
| (CompositeType.SrcOverNoEa.equals(comp) || |
| CompositeType.SrcNoEa.equals(comp))); |
| } |
| } |
| |
| /** |
| * Proxy for bitmask transparent source images. |
| * This proxy can accelerate unscaled Src copies or |
| * unscaled SrcOver copies that use an opaque bgColor. |
| */ |
| public static class Bitmask extends X11SurfaceDataProxy { |
| public Bitmask(X11GraphicsConfig x11gc) { |
| super(x11gc); |
| } |
| |
| public int getTransparency() { |
| return Transparency.BITMASK; |
| } |
| |
| @Override |
| public boolean isSupportedOperation(SurfaceData srcData, |
| int txtype, |
| CompositeType comp, |
| Color bgColor) |
| { |
| // These could probably be combined into a single |
| // nested if, but the logic is easier to follow this way. |
| |
| // we don't have X11 scale loops, so always use |
| // software surface in case of scaling |
| if (txtype >= SunGraphics2D.TRANSFORM_TRANSLATESCALE) { |
| return false; |
| } |
| |
| if (bgColor != null && |
| bgColor.getTransparency() != Transparency.OPAQUE) |
| { |
| return false; |
| } |
| |
| // for transparent images SrcNoEa+bgColor has the |
| // same effect as SrcOverNoEa+bgColor, so we allow |
| // copying from pixmap SD using accelerated blitbg loops: |
| // SrcOver will be changed to SrcNoEa in DrawImage.blitSD |
| if (CompositeType.SrcOverNoEa.equals(comp) || |
| (CompositeType.SrcNoEa.equals(comp) && |
| bgColor != null)) |
| { |
| return true; |
| } |
| |
| return false; |
| } |
| } |
| } |