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| 1 | +/* | |
| 2 | + * Copyright (c) 1997, 2002, Oracle and/or its affiliates. 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. Oracle designates this | |
| 8 | + * particular file as subject to the "Classpath" exception as provided | |
| 9 | + * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 | + * or visit www.oracle.com if you need additional information or have any | |
| 23 | + * 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 | +} | |