J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1997-2002 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | package sun.java2d.pipe; |
| 27 | |
| 28 | import java.awt.AlphaComposite; |
| 29 | import java.awt.CompositeContext; |
| 30 | import java.awt.PaintContext; |
| 31 | import java.awt.Rectangle; |
| 32 | import java.awt.Shape; |
| 33 | import java.awt.RenderingHints; |
| 34 | import java.awt.image.ColorModel; |
| 35 | import java.awt.image.BufferedImage; |
| 36 | import java.awt.image.Raster; |
| 37 | import java.awt.image.WritableRaster; |
| 38 | import sun.awt.image.BufImgSurfaceData; |
| 39 | import sun.java2d.SunGraphics2D; |
| 40 | import sun.java2d.SurfaceData; |
| 41 | import sun.java2d.loops.Blit; |
| 42 | import sun.java2d.loops.MaskBlit; |
| 43 | import sun.java2d.loops.CompositeType; |
| 44 | |
| 45 | public class GeneralCompositePipe implements CompositePipe { |
| 46 | class TileContext { |
| 47 | SunGraphics2D sunG2D; |
| 48 | PaintContext paintCtxt; |
| 49 | CompositeContext compCtxt; |
| 50 | ColorModel compModel; |
| 51 | Object pipeState; |
| 52 | |
| 53 | public TileContext(SunGraphics2D sg, PaintContext pCtx, |
| 54 | CompositeContext cCtx, ColorModel cModel) { |
| 55 | sunG2D = sg; |
| 56 | paintCtxt = pCtx; |
| 57 | compCtxt = cCtx; |
| 58 | compModel = cModel; |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | public Object startSequence(SunGraphics2D sg, Shape s, Rectangle devR, |
| 63 | int[] abox) { |
| 64 | RenderingHints hints = sg.getRenderingHints(); |
| 65 | ColorModel model = sg.getDeviceColorModel(); |
| 66 | PaintContext paintContext = |
| 67 | sg.paint.createContext(model, devR, s.getBounds2D(), |
| 68 | sg.cloneTransform(), |
| 69 | hints); |
| 70 | CompositeContext compositeContext = |
| 71 | sg.composite.createContext(paintContext.getColorModel(), model, |
| 72 | hints); |
| 73 | return new TileContext(sg, paintContext, compositeContext, model); |
| 74 | } |
| 75 | |
| 76 | public boolean needTile(Object ctx, int x, int y, int w, int h) { |
| 77 | return true; |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * GeneralCompositePipe.renderPathTile works with custom composite operator |
| 82 | * provided by an application |
| 83 | */ |
| 84 | public void renderPathTile(Object ctx, |
| 85 | byte[] atile, int offset, int tilesize, |
| 86 | int x, int y, int w, int h) { |
| 87 | TileContext context = (TileContext) ctx; |
| 88 | PaintContext paintCtxt = context.paintCtxt; |
| 89 | CompositeContext compCtxt = context.compCtxt; |
| 90 | SunGraphics2D sg = context.sunG2D; |
| 91 | |
| 92 | Raster srcRaster = paintCtxt.getRaster(x, y, w, h); |
| 93 | ColorModel paintModel = paintCtxt.getColorModel(); |
| 94 | |
| 95 | Raster dstRaster; |
| 96 | Raster dstIn; |
| 97 | WritableRaster dstOut; |
| 98 | |
| 99 | SurfaceData sd = sg.getSurfaceData(); |
| 100 | dstRaster = sd.getRaster(x, y, w, h); |
| 101 | if (dstRaster instanceof WritableRaster && atile == null) { |
| 102 | dstOut = (WritableRaster) dstRaster; |
| 103 | dstOut = dstOut.createWritableChild(x, y, w, h, 0, 0, null); |
| 104 | dstIn = dstOut; |
| 105 | } else { |
| 106 | dstIn = dstRaster.createChild(x, y, w, h, 0, 0, null); |
| 107 | dstOut = dstIn.createCompatibleWritableRaster(); |
| 108 | } |
| 109 | |
| 110 | compCtxt.compose(srcRaster, dstIn, dstOut); |
| 111 | |
| 112 | if (dstRaster != dstOut && dstOut.getParent() != dstRaster) { |
| 113 | if (dstRaster instanceof WritableRaster && atile == null) { |
| 114 | ((WritableRaster) dstRaster).setDataElements(x, y, dstOut); |
| 115 | } else { |
| 116 | ColorModel cm = sg.getDeviceColorModel(); |
| 117 | BufferedImage resImg = |
| 118 | new BufferedImage(cm, dstOut, |
| 119 | cm.isAlphaPremultiplied(), |
| 120 | null); |
| 121 | SurfaceData resData = BufImgSurfaceData.createData(resImg); |
| 122 | if (atile == null) { |
| 123 | Blit blit = Blit.getFromCache(resData.getSurfaceType(), |
| 124 | CompositeType.SrcNoEa, |
| 125 | sd.getSurfaceType()); |
| 126 | blit.Blit(resData, sd, AlphaComposite.Src, null, |
| 127 | 0, 0, x, y, w, h); |
| 128 | } else { |
| 129 | MaskBlit blit = MaskBlit.getFromCache(resData.getSurfaceType(), |
| 130 | CompositeType.SrcNoEa, |
| 131 | sd.getSurfaceType()); |
| 132 | blit.MaskBlit(resData, sd, AlphaComposite.Src, null, |
| 133 | 0, 0, x, y, w, h, |
| 134 | atile, offset, tilesize); |
| 135 | } |
| 136 | } |
| 137 | } |
| 138 | } |
| 139 | |
| 140 | public void skipTile(Object ctx, int x, int y) { |
| 141 | return; |
| 142 | } |
| 143 | |
| 144 | public void endSequence(Object ctx) { |
| 145 | TileContext context = (TileContext) ctx; |
| 146 | if (context.paintCtxt != null) { |
| 147 | context.paintCtxt.dispose(); |
| 148 | } |
| 149 | if (context.compCtxt != null) { |
| 150 | context.compCtxt.dispose(); |
| 151 | } |
| 152 | } |
| 153 | |
| 154 | } |