Showing the changes to java/pkg/sun/java2d/loops/BlitBg.java (1 of 18352 files). Show all
Unified · Split
| @@ -0,0 +1,217 @@ | ||
| 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 | +} | |