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| 1 | /* | ||
| 2 | * Copyright (c) 1997, 2007, 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 | * @author Jim Graham | ||
| 29 | */ | ||
| 30 | |||
| 31 | package sun.java2d.loops; | ||
| 32 | |||
| 33 | import java.awt.Composite; | ||
| 34 | import java.awt.Rectangle; | ||
| 35 | import java.awt.image.ColorModel; | ||
| 36 | import java.awt.image.DataBuffer; | ||
| 37 | import java.awt.image.Raster; | ||
| 38 | import java.awt.image.WritableRaster; | ||
| 39 | import sun.awt.image.IntegerComponentRaster; | ||
| 40 | import sun.java2d.SurfaceData; | ||
| 41 | import sun.java2d.pipe.Region; | ||
| 42 | import sun.java2d.pipe.SpanIterator; | ||
| 43 | |||
| 44 | /** | ||
| 45 | * CustomComponent, collection of GraphicsPrimitive | ||
| 46 | * Basically, this collection of components performs conversion from | ||
| 47 | * ANY to ANY via opaque copy | ||
| 48 | */ | ||
| 49 | public final class CustomComponent { | ||
| 50 | public static void register() { | ||
| 51 | // REMIND: This does not work for all destinations yet since | ||
| 52 | // the screen SurfaceData objects do not implement getRaster | ||
| 53 | Class owner = CustomComponent.class; | ||
| 54 | GraphicsPrimitive[] primitives = { | ||
| 55 | new GraphicsPrimitiveProxy(owner, "OpaqueCopyAnyToArgb", | ||
| 56 | Blit.methodSignature, | ||
| 57 | Blit.primTypeID, | ||
| 58 | SurfaceType.Any, | ||
| 59 | CompositeType.SrcNoEa, | ||
| 60 | SurfaceType.IntArgb), | ||
| 61 | new GraphicsPrimitiveProxy(owner, "OpaqueCopyArgbToAny", | ||
| 62 | Blit.methodSignature, | ||
| 63 | Blit.primTypeID, | ||
| 64 | SurfaceType.IntArgb, | ||
| 65 | CompositeType.SrcNoEa, | ||
| 66 | SurfaceType.Any), | ||
| 67 | new GraphicsPrimitiveProxy(owner, "XorCopyArgbToAny", | ||
| 68 | Blit.methodSignature, | ||
| 69 | Blit.primTypeID, | ||
| 70 | SurfaceType.IntArgb, | ||
| 71 | CompositeType.Xor, | ||
| 72 | SurfaceType.Any), | ||
| 73 | }; | ||
| 74 | GraphicsPrimitiveMgr.register(primitives); | ||
| 75 | } | ||
| 76 | |||
| 77 | public static Region getRegionOfInterest(SurfaceData src, SurfaceData dst, | ||
| 78 | Region clip, | ||
| 79 | int srcx, int srcy, | ||
| 80 | int dstx, int dsty, | ||
| 81 | int w, int h) | ||
| 82 | { | ||
| 83 | /* | ||
| 84 | * Intersect all of: | ||
| 85 | * - operation area (dstx, dsty, w, h) | ||
| 86 | * - destination bounds | ||
| 87 | * - (translated) src bounds | ||
| 88 | * - supplied clip (may be non-rectangular) | ||
| 89 | * Intersect the rectangular regions first since those are | ||
| 90 | * simpler operations. | ||
| 91 | */ | ||
| 92 | Region ret = Region.getInstanceXYWH(dstx, dsty, w, h); | ||
| 93 | ret = ret.getIntersection(dst.getBounds()); | ||
| 94 | Rectangle r = src.getBounds(); | ||
| 95 | // srcxy in src space maps to dstxy in dst space | ||
| 96 | r.translate(dstx - srcx, dsty - srcy); | ||
| 97 | ret = ret.getIntersection(r); | ||
| 98 | if (clip != null) { | ||
| 99 | // Intersect with clip last since it may be non-rectangular | ||
| 100 | ret = ret.getIntersection(clip); | ||
| 101 | } | ||
| 102 | return ret; | ||
| 103 | } | ||
| 104 | } | ||
| 105 | |||
| 106 | /** | ||
| 107 | * ANY format to ARGB format Blit | ||
| 108 | */ | ||
| 109 | class OpaqueCopyAnyToArgb extends Blit { | ||
| 110 | OpaqueCopyAnyToArgb() { | ||
| 111 | super(SurfaceType.Any, | ||
| 112 | CompositeType.SrcNoEa, | ||
| 113 | SurfaceType.IntArgb); | ||
| 114 | } | ||
| 115 | |||
| 116 | public void Blit(SurfaceData src, SurfaceData dst, | ||
| 117 | Composite comp, Region clip, | ||
| 118 | int srcx, int srcy, int dstx, int dsty, int w, int h) | ||
| 119 | { | ||
| 120 | Raster srcRast = src.getRaster(srcx, srcy, w, h); | ||
| 121 | ColorModel srcCM = src.getColorModel(); | ||
| 122 | |||
| 123 | Raster dstRast = dst.getRaster(dstx, dsty, w, h); | ||
| 124 | IntegerComponentRaster icr = (IntegerComponentRaster) dstRast; | ||
| 125 | int[] dstPix = icr.getDataStorage(); | ||
| 126 | |||
| 127 | Region roi = CustomComponent.getRegionOfInterest(src, dst, clip, | ||
| 128 | srcx, srcy, | ||
| 129 | dstx, dsty, w, h); | ||
| 130 | SpanIterator si = roi.getSpanIterator(); | ||
| 131 | |||
| 132 | Object srcPix = null; | ||
| 133 | |||
| 134 | int dstScan = icr.getScanlineStride(); | ||
| 135 | // assert(icr.getPixelStride() == 1); | ||
| 136 | srcx -= dstx; | ||
| 137 | srcy -= dsty; | ||
| 138 | int span[] = new int[4]; | ||
| 139 | while (si.nextSpan(span)) { | ||
| 140 | int rowoff = icr.getDataOffset(0) + span[1] * dstScan + span[0]; | ||
| 141 | for (int y = span[1]; y < span[3]; y++) { | ||
| 142 | int off = rowoff; | ||
| 143 | for (int x = span[0]; x < span[2]; x++) { | ||
| 144 | srcPix = srcRast.getDataElements(x+srcx, y+srcy, srcPix); | ||
| 145 | dstPix[off++] = srcCM.getRGB(srcPix); | ||
| 146 | } | ||
| 147 | rowoff += dstScan; | ||
| 148 | } | ||
| 149 | } | ||
| 150 | // Pixels in the dest were modified directly, we must | ||
| 151 | // manually notify the raster that it was modified | ||
| 152 | icr.markDirty(); | ||
| 153 | // REMIND: We need to do something to make sure that dstRast | ||
| 154 | // is put back to the destination (as in the native Release | ||
| 155 | // function) | ||
| 156 | // src.releaseRaster(srcRast); // NOP? | ||
| 157 | // dst.releaseRaster(dstRast); | ||
| 158 | } | ||
| 159 | } | ||
| 160 | |||
| 161 | /** | ||
| 162 | * ARGB format to ANY format Blit | ||
| 163 | */ | ||
| 164 | class OpaqueCopyArgbToAny extends Blit { | ||
| 165 | OpaqueCopyArgbToAny() { | ||
| 166 | super(SurfaceType.IntArgb, | ||
| 167 | CompositeType.SrcNoEa, | ||
| 168 | SurfaceType.Any); | ||
| 169 | } | ||
| 170 | |||
| 171 | public void Blit(SurfaceData src, SurfaceData dst, | ||
| 172 | Composite comp, Region clip, | ||
| 173 | int srcx, int srcy, int dstx, int dsty, int w, int h) | ||
| 174 | { | ||
| 175 | Raster srcRast = src.getRaster(srcx, srcy, w, h); | ||
| 176 | IntegerComponentRaster icr = (IntegerComponentRaster) srcRast; | ||
| 177 | int[] srcPix = icr.getDataStorage(); | ||
| 178 | |||
| 179 | WritableRaster dstRast = | ||
| 180 | (WritableRaster) dst.getRaster(dstx, dsty, w, h); | ||
| 181 | ColorModel dstCM = dst.getColorModel(); | ||
| 182 | |||
| 183 | Region roi = CustomComponent.getRegionOfInterest(src, dst, clip, | ||
| 184 | srcx, srcy, | ||
| 185 | dstx, dsty, w, h); | ||
| 186 | SpanIterator si = roi.getSpanIterator(); | ||
| 187 | |||
| 188 | Object dstPix = null; | ||
| 189 | |||
| 190 | int srcScan = icr.getScanlineStride(); | ||
| 191 | // assert(icr.getPixelStride() == 1); | ||
| 192 | srcx -= dstx; | ||
| 193 | srcy -= dsty; | ||
| 194 | int span[] = new int[4]; | ||
| 195 | while (si.nextSpan(span)) { | ||
| 196 | int rowoff = (icr.getDataOffset(0) + | ||
| 197 | (srcy + span[1]) * srcScan + | ||
| 198 | (srcx + span[0])); | ||
| 199 | for (int y = span[1]; y < span[3]; y++) { | ||
| 200 | int off = rowoff; | ||
| 201 | for (int x = span[0]; x < span[2]; x++) { | ||
| 202 | dstPix = dstCM.getDataElements(srcPix[off++], dstPix); | ||
| 203 | dstRast.setDataElements(x, y, dstPix); | ||
| 204 | } | ||
| 205 | rowoff += srcScan; | ||
| 206 | } | ||
| 207 | } | ||
| 208 | // REMIND: We need to do something to make sure that dstRast | ||
| 209 | // is put back to the destination (as in the native Release | ||
| 210 | // function) | ||
| 211 | // src.releaseRaster(srcRast); // NOP? | ||
| 212 | // dst.releaseRaster(dstRast); | ||
| 213 | } | ||
| 214 | } | ||
| 215 | |||
| 216 | /** | ||
| 217 | * ARGB format to ANY format Blit (pixels are XORed together with XOR pixel) | ||
| 218 | */ | ||
| 219 | class XorCopyArgbToAny extends Blit { | ||
| 220 | XorCopyArgbToAny() { | ||
| 221 | super(SurfaceType.IntArgb, | ||
| 222 | CompositeType.Xor, | ||
| 223 | SurfaceType.Any); | ||
| 224 | } | ||
| 225 | |||
| 226 | public void Blit(SurfaceData src, SurfaceData dst, | ||
| 227 | Composite comp, Region clip, | ||
| 228 | int srcx, int srcy, int dstx, int dsty, int w, int h) | ||
| 229 | { | ||
| 230 | Raster srcRast = src.getRaster(srcx, srcy, w, h); | ||
| 231 | IntegerComponentRaster icr = (IntegerComponentRaster) srcRast; | ||
| 232 | int[] srcPix = icr.getDataStorage(); | ||
| 233 | |||
| 234 | WritableRaster dstRast = | ||
| 235 | (WritableRaster) dst.getRaster(dstx, dsty, w, h); | ||
| 236 | ColorModel dstCM = dst.getColorModel(); | ||
| 237 | |||
| 238 | Region roi = CustomComponent.getRegionOfInterest(src, dst, clip, | ||
| 239 | srcx, srcy, | ||
| 240 | dstx, dsty, w, h); | ||
| 241 | SpanIterator si = roi.getSpanIterator(); | ||
| 242 | |||
| 243 | int xorrgb = ((XORComposite)comp).getXorColor().getRGB(); | ||
| 244 | Object xorPixel = dstCM.getDataElements(xorrgb, null); | ||
| 245 | |||
| 246 | Object srcPixel = null; | ||
| 247 | Object dstPixel = null; | ||
| 248 | |||
| 249 | int srcScan = icr.getScanlineStride(); | ||
| 250 | // assert(icr.getPixelStride() == 1); | ||
| 251 | srcx -= dstx; | ||
| 252 | srcy -= dsty; | ||
| 253 | int span[] = new int[4]; | ||
| 254 | while (si.nextSpan(span)) { | ||
| 255 | int rowoff = (icr.getDataOffset(0) + | ||
| 256 | (srcy + span[1]) * srcScan + | ||
| 257 | (srcx + span[0])); | ||
| 258 | for (int y = span[1]; y < span[3]; y++) { | ||
| 259 | int off = rowoff; | ||
| 260 | for (int x = span[0]; x < span[2]; x++) { | ||
| 261 | // REMIND: alpha bits of the destination pixel are | ||
| 262 | // currently altered by the XOR operation, but | ||
| 263 | // should be left untouched | ||
| 264 | srcPixel = dstCM.getDataElements(srcPix[off++], srcPixel); | ||
| 265 | dstPixel = dstRast.getDataElements(x, y, dstPixel); | ||
| 266 | |||
| 267 | switch (dstCM.getTransferType()) { | ||
| 268 | case DataBuffer.TYPE_BYTE: | ||
| 269 | byte[] bytesrcarr = (byte[]) srcPixel; | ||
| 270 | byte[] bytedstarr = (byte[]) dstPixel; | ||
| 271 | byte[] bytexorarr = (byte[]) xorPixel; | ||
| 272 | for (int i = 0; i < bytedstarr.length; i++) { | ||
| 273 | bytedstarr[i] ^= bytesrcarr[i] ^ bytexorarr[i]; | ||
| 274 | } | ||
| 275 | break; | ||
| 276 | case DataBuffer.TYPE_SHORT: | ||
| 277 | case DataBuffer.TYPE_USHORT: | ||
| 278 | short[] shortsrcarr = (short[]) srcPixel; | ||
| 279 | short[] shortdstarr = (short[]) dstPixel; | ||
| 280 | short[] shortxorarr = (short[]) xorPixel; | ||
| 281 | for (int i = 0; i < shortdstarr.length; i++) { | ||
| 282 | shortdstarr[i] ^= shortsrcarr[i] ^ shortxorarr[i]; | ||
| 283 | } | ||
| 284 | break; | ||
| 285 | case DataBuffer.TYPE_INT: | ||
| 286 | int[] intsrcarr = (int[]) srcPixel; | ||
| 287 | int[] intdstarr = (int[]) dstPixel; | ||
| 288 | int[] intxorarr = (int[]) xorPixel; | ||
| 289 | for (int i = 0; i < intdstarr.length; i++) { | ||
| 290 | intdstarr[i] ^= intsrcarr[i] ^ intxorarr[i]; | ||
| 291 | } | ||
| 292 | break; | ||
| 293 | case DataBuffer.TYPE_FLOAT: | ||
| 294 | float[] floatsrcarr = (float[]) srcPixel; | ||
| 295 | float[] floatdstarr = (float[]) dstPixel; | ||
| 296 | float[] floatxorarr = (float[]) xorPixel; | ||
| 297 | for (int i = 0; i < floatdstarr.length; i++) { | ||
| 298 | int v = (Float.floatToIntBits(floatdstarr[i]) ^ | ||
| 299 | Float.floatToIntBits(floatsrcarr[i]) ^ | ||
| 300 | Float.floatToIntBits(floatxorarr[i])); | ||
| 301 | floatdstarr[i] = Float.intBitsToFloat(v); | ||
| 302 | } | ||
| 303 | break; | ||
| 304 | case DataBuffer.TYPE_DOUBLE: | ||
| 305 | double[] doublesrcarr = (double[]) srcPixel; | ||
| 306 | double[] doubledstarr = (double[]) dstPixel; | ||
| 307 | double[] doublexorarr = (double[]) xorPixel; | ||
| 308 | for (int i = 0; i < doubledstarr.length; i++) { | ||
| 309 | long v = (Double.doubleToLongBits(doubledstarr[i]) ^ | ||
| 310 | Double.doubleToLongBits(doublesrcarr[i]) ^ | ||
| 311 | Double.doubleToLongBits(doublexorarr[i])); | ||
| 312 | doubledstarr[i] = Double.longBitsToDouble(v); | ||
| 313 | } | ||
| 314 | break; | ||
| 315 | default: | ||
| 316 | throw new InternalError("Unsupported XOR pixel type"); | ||
| 317 | } | ||
| 318 | dstRast.setDataElements(x, y, dstPixel); | ||
| 319 | } | ||
| 320 | rowoff += srcScan; | ||
| 321 | } | ||
| 322 | } | ||
| 323 | // REMIND: We need to do something to make sure that dstRast | ||
| 324 | // is put back to the destination (as in the native Release | ||
| 325 | // function) | ||
| 326 | // src.releaseRaster(srcRast); // NOP? | ||
| 327 | // dst.releaseRaster(dstRast); | ||
| 328 | } | ||
| 329 | } | ||