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| 1 | /* | ||
| 2 | * Copyright (c) 1999, 2008, 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.loops; | ||
| 27 | |||
| 28 | import java.awt.Font; | ||
| 29 | import java.awt.Color; | ||
| 30 | import java.awt.Composite; | ||
| 31 | import java.awt.AlphaComposite; | ||
| 32 | import java.awt.Transparency; | ||
| 33 | import java.awt.image.ColorModel; | ||
| 34 | import java.awt.image.WritableRaster; | ||
| 35 | import java.awt.image.BufferedImage; | ||
| 36 | import sun.awt.image.BufImgSurfaceData; | ||
| 37 | import sun.java2d.loops.GraphicsPrimitive; | ||
| 38 | import sun.java2d.SurfaceData; | ||
| 39 | import sun.java2d.SunGraphics2D; | ||
| 40 | import sun.java2d.pipe.Region; | ||
| 41 | |||
| 42 | /** | ||
| 43 | * BlitBg | ||
| 44 | * 1) copies rectangle of pixels from one surface to another | ||
| 45 | * 2) performs compositing of colors based upon a Composite | ||
| 46 | * parameter | ||
| 47 | * 3) assumes that non-opaque pixels are to be blended with | ||
| 48 | * the indicated Bg color before compositing with the | ||
| 49 | * destination | ||
| 50 | * | ||
| 51 | * precise behavior is undefined if the source surface | ||
| 52 | * and the destination surface are the same surface | ||
| 53 | * with overlapping regions of pixels | ||
| 54 | */ | ||
| 55 | public class BlitBg extends GraphicsPrimitive | ||
| 56 | { | ||
| 57 | public static final String methodSignature = "BlitBg(...)".toString(); | ||
| 58 | |||
| 59 | public static final int primTypeID = makePrimTypeID(); | ||
| 60 | |||
| 61 | private static RenderCache blitcache = new RenderCache(20); | ||
| 62 | |||
| 63 | public static BlitBg locate(SurfaceType srctype, | ||
| 64 | CompositeType comptype, | ||
| 65 | SurfaceType dsttype) | ||
| 66 | { | ||
| 67 | return (BlitBg) | ||
| 68 | GraphicsPrimitiveMgr.locate(primTypeID, | ||
| 69 | srctype, comptype, dsttype); | ||
| 70 | } | ||
| 71 | |||
| 72 | public static BlitBg getFromCache(SurfaceType src, | ||
| 73 | CompositeType comp, | ||
| 74 | SurfaceType dst) | ||
| 75 | { | ||
| 76 | Object o = blitcache.get(src, comp, dst); | ||
| 77 | if (o != null) { | ||
| 78 | return (BlitBg) o; | ||
| 79 | } | ||
| 80 | BlitBg blit = locate(src, comp, dst); | ||
| 81 | if (blit == null) { | ||
| 82 | System.out.println("blitbg loop not found for:"); | ||
| 83 | System.out.println("src: "+src); | ||
| 84 | System.out.println("comp: "+comp); | ||
| 85 | System.out.println("dst: "+dst); | ||
| 86 | } else { | ||
| 87 | blitcache.put(src, comp, dst, blit); | ||
| 88 | } | ||
| 89 | return blit; | ||
| 90 | } | ||
| 91 | |||
| 92 | protected BlitBg(SurfaceType srctype, | ||
| 93 | CompositeType comptype, | ||
| 94 | SurfaceType dsttype) | ||
| 95 | { | ||
| 96 | super(methodSignature, primTypeID, srctype, comptype, dsttype); | ||
| 97 | } | ||
| 98 | |||
| 99 | public BlitBg(long pNativePrim, | ||
| 100 | SurfaceType srctype, | ||
| 101 | CompositeType comptype, | ||
| 102 | SurfaceType dsttype) | ||
| 103 | { | ||
| 104 | super(pNativePrim, methodSignature, primTypeID, srctype, comptype, dsttype); | ||
| 105 | } | ||
| 106 | |||
| 107 | /** | ||
| 108 | * All BlitBg implementors must have this invoker method | ||
| 109 | */ | ||
| 110 | public native void BlitBg(SurfaceData src, SurfaceData dst, | ||
| 111 | Composite comp, Region clip, | ||
| 112 | int bgColor, | ||
| 113 | int srcx, int srcy, | ||
| 114 | int dstx, int dsty, | ||
| 115 | int width, int height); | ||
| 116 | |||
| 117 | static { | ||
| 118 | GraphicsPrimitiveMgr.registerGeneral(new BlitBg(null, null, null)); | ||
| 119 | } | ||
| 120 | |||
| 121 | public GraphicsPrimitive makePrimitive(SurfaceType srctype, | ||
| 122 | CompositeType comptype, | ||
| 123 | SurfaceType dsttype) | ||
| 124 | { | ||
| 125 | /* | ||
| 126 | System.out.println("Constructing general blitbg for:"); | ||
| 127 | System.out.println("src: "+srctype); | ||
| 128 | System.out.println("comp: "+comptype); | ||
| 129 | System.out.println("dst: "+dsttype); | ||
| 130 | */ | ||
| 131 | return new General(srctype, comptype, dsttype); | ||
| 132 | } | ||
| 133 | |||
| 134 | private static class General extends BlitBg { | ||
| 135 | CompositeType compositeType; | ||
| 136 | |||
| 137 | public General(SurfaceType srctype, | ||
| 138 | CompositeType comptype, | ||
| 139 | SurfaceType dsttype) | ||
| 140 | { | ||
| 141 | super(srctype, comptype, dsttype); | ||
| 142 | compositeType = comptype; | ||
| 143 | } | ||
| 144 | |||
| 145 | @Override | ||
| 146 | public void BlitBg(SurfaceData srcData, | ||
| 147 | SurfaceData dstData, | ||
| 148 | Composite comp, | ||
| 149 | Region clip, | ||
| 150 | int bgArgb, | ||
| 151 | int srcx, int srcy, | ||
| 152 | int dstx, int dsty, | ||
| 153 | int width, int height) | ||
| 154 | { | ||
| 155 | ColorModel dstModel = dstData.getColorModel(); | ||
| 156 | boolean bgHasAlpha = (bgArgb >>> 24) != 0xff; | ||
| 157 | if (!dstModel.hasAlpha() && bgHasAlpha) { | ||
| 158 | dstModel = ColorModel.getRGBdefault(); | ||
| 159 | } | ||
| 160 | WritableRaster wr = | ||
| 161 | dstModel.createCompatibleWritableRaster(width, height); | ||
| 162 | boolean isPremult = dstModel.isAlphaPremultiplied(); | ||
| 163 | BufferedImage bimg = | ||
| 164 | new BufferedImage(dstModel, wr, isPremult, null); | ||
| 165 | SurfaceData tmpData = BufImgSurfaceData.createData(bimg); | ||
| 166 | Color bgColor = new Color(bgArgb, bgHasAlpha); | ||
| 167 | SunGraphics2D sg2d = new SunGraphics2D(tmpData, bgColor, bgColor, | ||
| 168 | defaultFont); | ||
| 169 | FillRect fillop = FillRect.locate(SurfaceType.AnyColor, | ||
| 170 | CompositeType.SrcNoEa, | ||
| 171 | tmpData.getSurfaceType()); | ||
| 172 | Blit combineop = Blit.getFromCache(srcData.getSurfaceType(), | ||
| 173 | CompositeType.SrcOverNoEa, | ||
| 174 | tmpData.getSurfaceType()); | ||
| 175 | Blit blitop = Blit.getFromCache(tmpData.getSurfaceType(), compositeType, | ||
| 176 | dstData.getSurfaceType()); | ||
| 177 | fillop.FillRect(sg2d, tmpData, 0, 0, width, height); | ||
| 178 | combineop.Blit(srcData, tmpData, AlphaComposite.SrcOver, null, | ||
| 179 | srcx, srcy, 0, 0, width, height); | ||
| 180 | blitop.Blit(tmpData, dstData, comp, clip, | ||
| 181 | 0, 0, dstx, dsty, width, height); | ||
| 182 | } | ||
| 183 | |||
| 184 | private static Font defaultFont = new Font("Dialog", Font.PLAIN, 12); | ||
| 185 | } | ||
| 186 | |||
| 187 | public GraphicsPrimitive traceWrap() { | ||
| 188 | return new TraceBlitBg(this); | ||
| 189 | } | ||
| 190 | |||
| 191 | private static class TraceBlitBg extends BlitBg { | ||
| 192 | BlitBg target; | ||
| 193 | |||
| 194 | public TraceBlitBg(BlitBg target) { | ||
| 195 | super(target.getSourceType(), | ||
| 196 | target.getCompositeType(), | ||
| 197 | target.getDestType()); | ||
| 198 | this.target = target; | ||
| 199 | } | ||
| 200 | |||
| 201 | public GraphicsPrimitive traceWrap() { | ||
| 202 | return this; | ||
| 203 | } | ||
| 204 | |||
| 205 | @Override | ||
| 206 | public void BlitBg(SurfaceData src, SurfaceData dst, | ||
| 207 | Composite comp, Region clip, | ||
| 208 | int bgColor, | ||
| 209 | int srcx, int srcy, int dstx, int dsty, | ||
| 210 | int width, int height) | ||
| 211 | { | ||
| 212 | tracePrimitive(target); | ||
| 213 | target.BlitBg(src, dst, comp, clip, bgColor, | ||
| 214 | srcx, srcy, dstx, dsty, width, height); | ||
| 215 | } | ||
| 216 | } | ||
| 217 | } | ||