| /* |
| * Copyright (c) 1999, 2008, 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.loops; |
| |
| import java.awt.Font; |
| import java.awt.Color; |
| import java.awt.Composite; |
| import java.awt.AlphaComposite; |
| import java.awt.Transparency; |
| import java.awt.image.ColorModel; |
| import java.awt.image.WritableRaster; |
| import java.awt.image.BufferedImage; |
| import sun.awt.image.BufImgSurfaceData; |
| import sun.java2d.loops.GraphicsPrimitive; |
| import sun.java2d.SurfaceData; |
| import sun.java2d.SunGraphics2D; |
| import sun.java2d.pipe.Region; |
| |
| /** |
| * BlitBg |
| * 1) copies rectangle of pixels from one surface to another |
| * 2) performs compositing of colors based upon a Composite |
| * parameter |
| * 3) assumes that non-opaque pixels are to be blended with |
| * the indicated Bg color before compositing with the |
| * destination |
| * |
| * precise behavior is undefined if the source surface |
| * and the destination surface are the same surface |
| * with overlapping regions of pixels |
| */ |
| public class BlitBg extends GraphicsPrimitive |
| { |
| public static final String methodSignature = "BlitBg(...)".toString(); |
| |
| public static final int primTypeID = makePrimTypeID(); |
| |
| private static RenderCache blitcache = new RenderCache(20); |
| |
| public static BlitBg locate(SurfaceType srctype, |
| CompositeType comptype, |
| SurfaceType dsttype) |
| { |
| return (BlitBg) |
| GraphicsPrimitiveMgr.locate(primTypeID, |
| srctype, comptype, dsttype); |
| } |
| |
| public static BlitBg getFromCache(SurfaceType src, |
| CompositeType comp, |
| SurfaceType dst) |
| { |
| Object o = blitcache.get(src, comp, dst); |
| if (o != null) { |
| return (BlitBg) o; |
| } |
| BlitBg blit = locate(src, comp, dst); |
| if (blit == null) { |
| System.out.println("blitbg loop not found for:"); |
| System.out.println("src: "+src); |
| System.out.println("comp: "+comp); |
| System.out.println("dst: "+dst); |
| } else { |
| blitcache.put(src, comp, dst, blit); |
| } |
| return blit; |
| } |
| |
| protected BlitBg(SurfaceType srctype, |
| CompositeType comptype, |
| SurfaceType dsttype) |
| { |
| super(methodSignature, primTypeID, srctype, comptype, dsttype); |
| } |
| |
| public BlitBg(long pNativePrim, |
| SurfaceType srctype, |
| CompositeType comptype, |
| SurfaceType dsttype) |
| { |
| super(pNativePrim, methodSignature, primTypeID, srctype, comptype, dsttype); |
| } |
| |
| /** |
| * All BlitBg implementors must have this invoker method |
| */ |
| public native void BlitBg(SurfaceData src, SurfaceData dst, |
| Composite comp, Region clip, |
| int bgColor, |
| int srcx, int srcy, |
| int dstx, int dsty, |
| int width, int height); |
| |
| static { |
| GraphicsPrimitiveMgr.registerGeneral(new BlitBg(null, null, null)); |
| } |
| |
| public GraphicsPrimitive makePrimitive(SurfaceType srctype, |
| CompositeType comptype, |
| SurfaceType dsttype) |
| { |
| /* |
| System.out.println("Constructing general blitbg for:"); |
| System.out.println("src: "+srctype); |
| System.out.println("comp: "+comptype); |
| System.out.println("dst: "+dsttype); |
| */ |
| return new General(srctype, comptype, dsttype); |
| } |
| |
| private static class General extends BlitBg { |
| CompositeType compositeType; |
| |
| public General(SurfaceType srctype, |
| CompositeType comptype, |
| SurfaceType dsttype) |
| { |
| super(srctype, comptype, dsttype); |
| compositeType = comptype; |
| } |
| |
| @Override |
| public void BlitBg(SurfaceData srcData, |
| SurfaceData dstData, |
| Composite comp, |
| Region clip, |
| int bgArgb, |
| int srcx, int srcy, |
| int dstx, int dsty, |
| int width, int height) |
| { |
| ColorModel dstModel = dstData.getColorModel(); |
| boolean bgHasAlpha = (bgArgb >>> 24) != 0xff; |
| if (!dstModel.hasAlpha() && bgHasAlpha) { |
| dstModel = ColorModel.getRGBdefault(); |
| } |
| WritableRaster wr = |
| dstModel.createCompatibleWritableRaster(width, height); |
| boolean isPremult = dstModel.isAlphaPremultiplied(); |
| BufferedImage bimg = |
| new BufferedImage(dstModel, wr, isPremult, null); |
| SurfaceData tmpData = BufImgSurfaceData.createData(bimg); |
| Color bgColor = new Color(bgArgb, bgHasAlpha); |
| SunGraphics2D sg2d = new SunGraphics2D(tmpData, bgColor, bgColor, |
| defaultFont); |
| FillRect fillop = FillRect.locate(SurfaceType.AnyColor, |
| CompositeType.SrcNoEa, |
| tmpData.getSurfaceType()); |
| Blit combineop = Blit.getFromCache(srcData.getSurfaceType(), |
| CompositeType.SrcOverNoEa, |
| tmpData.getSurfaceType()); |
| Blit blitop = Blit.getFromCache(tmpData.getSurfaceType(), compositeType, |
| dstData.getSurfaceType()); |
| fillop.FillRect(sg2d, tmpData, 0, 0, width, height); |
| combineop.Blit(srcData, tmpData, AlphaComposite.SrcOver, null, |
| srcx, srcy, 0, 0, width, height); |
| blitop.Blit(tmpData, dstData, comp, clip, |
| 0, 0, dstx, dsty, width, height); |
| } |
| |
| private static Font defaultFont = new Font("Dialog", Font.PLAIN, 12); |
| } |
| |
| public GraphicsPrimitive traceWrap() { |
| return new TraceBlitBg(this); |
| } |
| |
| private static class TraceBlitBg extends BlitBg { |
| BlitBg target; |
| |
| public TraceBlitBg(BlitBg target) { |
| super(target.getSourceType(), |
| target.getCompositeType(), |
| target.getDestType()); |
| this.target = target; |
| } |
| |
| public GraphicsPrimitive traceWrap() { |
| return this; |
| } |
| |
| @Override |
| public void BlitBg(SurfaceData src, SurfaceData dst, |
| Composite comp, Region clip, |
| int bgColor, |
| int srcx, int srcy, int dstx, int dsty, |
| int width, int height) |
| { |
| tracePrimitive(target); |
| target.BlitBg(src, dst, comp, clip, bgColor, |
| srcx, srcy, dstx, dsty, width, height); |
| } |
| } |
| } |