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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 | +} | |