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| 1 | +/* | |
| 2 | + * Copyright (c) 1997, 2006, 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 | +/* | |
| 27 | + * @author Charlton Innovations, Inc. | |
| 28 | + */ | |
| 29 | + | |
| 30 | +package sun.java2d.loops; | |
| 31 | + | |
| 32 | +import java.util.Comparator; | |
| 33 | +import java.util.Arrays; | |
| 34 | +import sun.java2d.SunGraphics2D; | |
| 35 | + | |
| 36 | +/** | |
| 37 | + * GraphicsComponentMgr provides services to | |
| 38 | + * 1. register primitives for later use | |
| 39 | + * 2. locate an instance of a primitve based on characteristics | |
| 40 | + */ | |
| 41 | +public final class GraphicsPrimitiveMgr { | |
| 42 | + | |
| 43 | + private static final boolean debugTrace = false; | |
| 44 | + private static GraphicsPrimitive primitives[]; | |
| 45 | + private static GraphicsPrimitive generalPrimitives[]; | |
| 46 | + private static boolean needssort = true; | |
| 47 | + | |
| 48 | + private static native void initIDs(Class GP, Class ST, Class CT, | |
| 49 | + Class SG2D, Class Color, Class AT, | |
| 50 | + Class XORComp, Class AlphaComp, | |
| 51 | + Class Path2D, Class Path2DFloat, | |
| 52 | + Class SHints); | |
| 53 | + private static native void registerNativeLoops(); | |
| 54 | + | |
| 55 | + static { | |
| 56 | + initIDs(GraphicsPrimitive.class, | |
| 57 | + SurfaceType.class, | |
| 58 | + CompositeType.class, | |
| 59 | + SunGraphics2D.class, | |
| 60 | + java.awt.Color.class, | |
| 61 | + java.awt.geom.AffineTransform.class, | |
| 62 | + XORComposite.class, | |
| 63 | + java.awt.AlphaComposite.class, | |
| 64 | + java.awt.geom.Path2D.class, | |
| 65 | + java.awt.geom.Path2D.Float.class, | |
| 66 | + sun.awt.SunHints.class); | |
| 67 | + CustomComponent.register(); | |
| 68 | + GeneralRenderer.register(); | |
| 69 | + registerNativeLoops(); | |
| 70 | + } | |
| 71 | + | |
| 72 | + private static class PrimitiveSpec { | |
| 73 | + public int uniqueID; | |
| 74 | + } | |
| 75 | + | |
| 76 | + private static Comparator primSorter = new Comparator() { | |
| 77 | + public int compare(Object o1, Object o2) { | |
| 78 | + int id1 = ((GraphicsPrimitive) o1).getUniqueID(); | |
| 79 | + int id2 = ((GraphicsPrimitive) o2).getUniqueID(); | |
| 80 | + | |
| 81 | + return (id1 == id2 ? 0 : (id1 < id2 ? -1 : 1)); | |
| 82 | + } | |
| 83 | + }; | |
| 84 | + | |
| 85 | + private static Comparator primFinder = new Comparator() { | |
| 86 | + public int compare(Object o1, Object o2) { | |
| 87 | + int id1 = ((GraphicsPrimitive) o1).getUniqueID(); | |
| 88 | + int id2 = ((PrimitiveSpec) o2).uniqueID; | |
| 89 | + | |
| 90 | + return (id1 == id2 ? 0 : (id1 < id2 ? -1 : 1)); | |
| 91 | + } | |
| 92 | + }; | |
| 93 | + | |
| 94 | + /** | |
| 95 | + * Ensure that noone can instantiate this class. | |
| 96 | + */ | |
| 97 | + private GraphicsPrimitiveMgr() { | |
| 98 | + } | |
| 99 | + | |
| 100 | + public synchronized static void register(GraphicsPrimitive[] newPrimitives) | |
| 101 | + { | |
| 102 | + GraphicsPrimitive[] devCollection = primitives; | |
| 103 | + int oldSize = 0; | |
| 104 | + int newSize = newPrimitives.length; | |
| 105 | + if (debugTrace) { | |
| 106 | + writeLog("Registering " + newSize + " primitives"); | |
| 107 | + for (int i = 0; i < newSize; i++) { | |
| 108 | + writeLog(newPrimitives[i].toString()); | |
| 109 | + } | |
| 110 | + } | |
| 111 | + if (devCollection != null) { | |
| 112 | + oldSize = devCollection.length; | |
| 113 | + } | |
| 114 | + GraphicsPrimitive[] temp = new GraphicsPrimitive[oldSize + newSize]; | |
| 115 | + if (devCollection != null) { | |
| 116 | + System.arraycopy(devCollection, 0, temp, 0, oldSize); | |
| 117 | + } | |
| 118 | + System.arraycopy(newPrimitives, 0, temp, oldSize, newSize); | |
| 119 | + needssort = true; | |
| 120 | + primitives = temp; | |
| 121 | + } | |
| 122 | + | |
| 123 | + public synchronized static void registerGeneral(GraphicsPrimitive gen) { | |
| 124 | + if (generalPrimitives == null) { | |
| 125 | + generalPrimitives = new GraphicsPrimitive[] {gen}; | |
| 126 | + return; | |
| 127 | + } | |
| 128 | + int len = generalPrimitives.length; | |
| 129 | + GraphicsPrimitive[] newGen = new GraphicsPrimitive[len + 1]; | |
| 130 | + System.arraycopy(generalPrimitives, 0, newGen, 0, len); | |
| 131 | + newGen[len] = gen; | |
| 132 | + generalPrimitives = newGen; | |
| 133 | + } | |
| 134 | + | |
| 135 | + public synchronized static GraphicsPrimitive locate(int primTypeID, | |
| 136 | + SurfaceType dsttype) | |
| 137 | + { | |
| 138 | + return locate(primTypeID, | |
| 139 | + SurfaceType.OpaqueColor, | |
| 140 | + CompositeType.Src, | |
| 141 | + dsttype); | |
| 142 | + } | |
| 143 | + | |
| 144 | + public synchronized static GraphicsPrimitive locate(int primTypeID, | |
| 145 | + SurfaceType srctype, | |
| 146 | + CompositeType comptype, | |
| 147 | + SurfaceType dsttype) | |
| 148 | + { | |
| 149 | + /* | |
| 150 | + System.out.println("Looking for:"); | |
| 151 | + System.out.println(" method: "+signature); | |
| 152 | + System.out.println(" from: "+srctype); | |
| 153 | + System.out.println(" by: "+comptype); | |
| 154 | + System.out.println(" to: "+dsttype); | |
| 155 | + */ | |
| 156 | + GraphicsPrimitive prim = locatePrim(primTypeID, | |
| 157 | + srctype, comptype, dsttype); | |
| 158 | + | |
| 159 | + if (prim == null) { | |
| 160 | + //System.out.println("Trying general loop"); | |
| 161 | + prim = locateGeneral(primTypeID); | |
| 162 | + if (prim != null) { | |
| 163 | + prim = prim.makePrimitive(srctype, comptype, dsttype); | |
| 164 | + if (prim != null && GraphicsPrimitive.traceflags != 0) { | |
| 165 | + prim = prim.traceWrap(); | |
| 166 | + } | |
| 167 | + } | |
| 168 | + } | |
| 169 | + return prim; | |
| 170 | + } | |
| 171 | + | |
| 172 | + public synchronized static GraphicsPrimitive | |
| 173 | + locatePrim(int primTypeID, | |
| 174 | + SurfaceType srctype, | |
| 175 | + CompositeType comptype, | |
| 176 | + SurfaceType dsttype) | |
| 177 | + { | |
| 178 | + /* | |
| 179 | + System.out.println("Looking for:"); | |
| 180 | + System.out.println(" method: "+signature); | |
| 181 | + System.out.println(" from: "+srctype); | |
| 182 | + System.out.println(" by: "+comptype); | |
| 183 | + System.out.println(" to: "+dsttype); | |
| 184 | + */ | |
| 185 | + SurfaceType src, dst; | |
| 186 | + CompositeType cmp; | |
| 187 | + GraphicsPrimitive prim; | |
| 188 | + PrimitiveSpec spec = new PrimitiveSpec(); | |
| 189 | + | |
| 190 | + for (dst = dsttype; dst != null; dst = dst.getSuperType()) { | |
| 191 | + for (src = srctype; src != null; src = src.getSuperType()) { | |
| 192 | + for (cmp = comptype; cmp != null; cmp = cmp.getSuperType()) { | |
| 193 | + /* | |
| 194 | + System.out.println("Trying:"); | |
| 195 | + System.out.println(" method: "+spec.methodSignature); | |
| 196 | + System.out.println(" from: "+spec.sourceType); | |
| 197 | + System.out.println(" by: "+spec.compType); | |
| 198 | + System.out.println(" to: "+spec.destType); | |
| 199 | + */ | |
| 200 | + | |
| 201 | + spec.uniqueID = | |
| 202 | + GraphicsPrimitive.makeUniqueID(primTypeID, src, cmp, dst); | |
| 203 | + prim = locate(spec); | |
| 204 | + if (prim != null) { | |
| 205 | + //System.out.println("<GPMgr> Found: " + prim + " in " + i + " steps"); | |
| 206 | + return prim; | |
| 207 | + } | |
| 208 | + } | |
| 209 | + } | |
| 210 | + } | |
| 211 | + return null; | |
| 212 | + } | |
| 213 | + | |
| 214 | + private static GraphicsPrimitive locateGeneral(int primTypeID) { | |
| 215 | + if (generalPrimitives == null) { | |
| 216 | + return null; | |
| 217 | + } | |
| 218 | + for (int i = 0; i < generalPrimitives.length; i++) { | |
| 219 | + GraphicsPrimitive prim = generalPrimitives[i]; | |
| 220 | + if (prim.getPrimTypeID() == primTypeID) { | |
| 221 | + return prim; | |
| 222 | + } | |
| 223 | + } | |
| 224 | + return null; | |
| 225 | + //throw new InternalError("No general handler registered for"+signature); | |
| 226 | + } | |
| 227 | + | |
| 228 | + private static GraphicsPrimitive locate(PrimitiveSpec spec) { | |
| 229 | + if (needssort) { | |
| 230 | + if (GraphicsPrimitive.traceflags != 0) { | |
| 231 | + for (int i = 0; i < primitives.length; i++) { | |
| 232 | + primitives[i] = primitives[i].traceWrap(); | |
| 233 | + } | |
| 234 | + } | |
| 235 | + Arrays.sort(primitives, primSorter); | |
| 236 | + needssort = false; | |
| 237 | + } | |
| 238 | + GraphicsPrimitive[] devCollection = primitives; | |
| 239 | + if (devCollection == null) { | |
| 240 | + return null; | |
| 241 | + } | |
| 242 | + int index = Arrays.binarySearch(devCollection, spec, primFinder); | |
| 243 | + if (index >= 0) { | |
| 244 | + GraphicsPrimitive prim = devCollection[index]; | |
| 245 | + if (prim instanceof GraphicsPrimitiveProxy) { | |
| 246 | + prim = ((GraphicsPrimitiveProxy) prim).instantiate(); | |
| 247 | + devCollection[index] = prim; | |
| 248 | + if (debugTrace) { | |
| 249 | + writeLog("Instantiated graphics primitive " + prim); | |
| 250 | + } | |
| 251 | + } | |
| 252 | + if (debugTrace) { | |
| 253 | + writeLog("Lookup found[" + index + "]["+ prim + "]"); | |
| 254 | + } | |
| 255 | + return prim; | |
| 256 | + } | |
| 257 | + if (debugTrace) { | |
| 258 | + writeLog("Lookup found nothing for:"); | |
| 259 | + writeLog(" " + spec.uniqueID); | |
| 260 | + } | |
| 261 | + return null; | |
| 262 | + } | |
| 263 | + | |
| 264 | + private static void writeLog(String str) { | |
| 265 | + if (debugTrace) { | |
| 266 | + System.err.println(str); | |
| 267 | + } | |
| 268 | + } | |
| 269 | + | |
| 270 | + /** | |
| 271 | + * Test that all of the GraphicsPrimitiveProxy objects actually | |
| 272 | + * resolve to something. Throws a RuntimeException if anything | |
| 273 | + * is wrong, an has no effect if all is well. | |
| 274 | + */ | |
| 275 | + // This is only really meant to be called from GraphicsPrimitiveProxyTest | |
| 276 | + // in the regression tests directory, but it has to be here because | |
| 277 | + // it needs access to a private data structure. It is not very | |
| 278 | + // big, though. | |
| 279 | + public static void testPrimitiveInstantiation() { | |
| 280 | + testPrimitiveInstantiation(false); | |
| 281 | + } | |
| 282 | + | |
| 283 | + public static void testPrimitiveInstantiation(boolean verbose) { | |
| 284 | + int resolved = 0; | |
| 285 | + int unresolved = 0; | |
| 286 | + GraphicsPrimitive[] prims = primitives; | |
| 287 | + for (int j = 0; j < prims.length; j++) { | |
| 288 | + GraphicsPrimitive p = prims[j]; | |
| 289 | + if (p instanceof GraphicsPrimitiveProxy) { | |
| 290 | + GraphicsPrimitive r = ((GraphicsPrimitiveProxy) p).instantiate(); | |
| 291 | + if (!r.getSignature().equals(p.getSignature()) || | |
| 292 | + r.getUniqueID() != p.getUniqueID()) { | |
| 293 | + System.out.println("r.getSignature == "+r.getSignature()); | |
| 294 | + System.out.println("r.getUniqueID == " + r.getUniqueID()); | |
| 295 | + System.out.println("p.getSignature == "+p.getSignature()); | |
| 296 | + System.out.println("p.getUniqueID == " + p.getUniqueID()); | |
| 297 | + throw new RuntimeException("Primitive " + p | |
| 298 | + + " returns wrong signature for " | |
| 299 | + + r.getClass()); | |
| 300 | + } | |
| 301 | + // instantiate checks that p.satisfiesSameAs(r) | |
| 302 | + unresolved++; | |
| 303 | + p = r; | |
| 304 | + if (verbose) { | |
| 305 | + System.out.println(p); | |
| 306 | + } | |
| 307 | + } else { | |
| 308 | + if (verbose) { | |
| 309 | + System.out.println(p + " (not proxied)."); | |
| 310 | + } | |
| 311 | + resolved++; | |
| 312 | + } | |
| 313 | + } | |
| 314 | + System.out.println(resolved+ | |
| 315 | + " graphics primitives were not proxied."); | |
| 316 | + System.out.println(unresolved+ | |
| 317 | + " proxied graphics primitives resolved correctly."); | |
| 318 | + System.out.println(resolved+unresolved+ | |
| 319 | + " total graphics primitives"); | |
| 320 | + } | |
| 321 | + | |
| 322 | + public static void main(String argv[]) { | |
| 323 | + // REMIND: Should trigger loading of platform primitives somehow... | |
| 324 | + if (needssort) { | |
| 325 | + Arrays.sort(primitives, primSorter); | |
| 326 | + needssort = false; | |
| 327 | + } | |
| 328 | + testPrimitiveInstantiation(argv.length > 0); | |
| 329 | + } | |
| 330 | +} | |