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| 1 | +/* | |
| 2 | + * Copyright (c) 2007, 2010, 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 | + ********************************************************************** | |
| 28 | + ********************************************************************** | |
| 29 | + *** COPYRIGHT (c) Eastman Kodak Company, 1997 *** | |
| 30 | + *** As an unpublished work pursuant to Title 17 of the United *** | |
| 31 | + *** States Code. All rights reserved. *** | |
| 32 | + ********************************************************************** | |
| 33 | + ********************************************************************** | |
| 34 | + **********************************************************************/ | |
| 35 | + | |
| 36 | +package sun.java2d.cmm.lcms; | |
| 37 | + | |
| 38 | +import java.awt.color.ICC_Profile; | |
| 39 | +import java.awt.color.ProfileDataException; | |
| 40 | +import java.awt.color.CMMException; | |
| 41 | +import java.awt.color.ColorSpace; | |
| 42 | +import java.awt.image.BufferedImage; | |
| 43 | +import java.awt.image.Raster; | |
| 44 | +import java.awt.image.WritableRaster; | |
| 45 | +import java.awt.image.ColorModel; | |
| 46 | +import java.awt.image.DirectColorModel; | |
| 47 | +import java.awt.image.ComponentColorModel; | |
| 48 | +import java.awt.image.SampleModel; | |
| 49 | +import java.awt.image.DataBuffer; | |
| 50 | +import java.awt.image.SinglePixelPackedSampleModel; | |
| 51 | +import java.awt.image.ComponentSampleModel; | |
| 52 | +import sun.java2d.cmm.*; | |
| 53 | +import sun.java2d.cmm.lcms.*; | |
| 54 | + | |
| 55 | + | |
| 56 | +public class LCMSTransform implements ColorTransform { | |
| 57 | + long ID; | |
| 58 | + private int inFormatter; | |
| 59 | + private int outFormatter; | |
| 60 | + | |
| 61 | + ICC_Profile[] profiles; | |
| 62 | + long [] profileIDs; | |
| 63 | + int renderType; | |
| 64 | + int transformType; | |
| 65 | + | |
| 66 | + private int numInComponents = -1; | |
| 67 | + private int numOutComponents = -1; | |
| 68 | + | |
| 69 | + private Object disposerReferent = new Object(); | |
| 70 | + | |
| 71 | + /* the class initializer */ | |
| 72 | + static { | |
| 73 | + if (ProfileDeferralMgr.deferring) { | |
| 74 | + ProfileDeferralMgr.activateProfiles(); | |
| 75 | + } | |
| 76 | + } | |
| 77 | + | |
| 78 | + public LCMSTransform(ICC_Profile profile, int renderType, | |
| 79 | + int transformType) | |
| 80 | + { | |
| 81 | + /* Actually, it is not a complete transform but just part of it */ | |
| 82 | + profiles = new ICC_Profile[1]; | |
| 83 | + profiles[0] = profile; | |
| 84 | + profileIDs = new long[1]; | |
| 85 | + profileIDs[0] = LCMS.getProfileID(profile); | |
| 86 | + this.renderType = (renderType == ColorTransform.Any)? | |
| 87 | + ICC_Profile.icPerceptual : renderType; | |
| 88 | + this.transformType = transformType; | |
| 89 | + | |
| 90 | + /* Note that ICC_Profile.getNumComponents() is quite expensive | |
| 91 | + * (it may results in a reading of the profile header). | |
| 92 | + * So, here we cache the number of components of input and | |
| 93 | + * output profiles for further usage. | |
| 94 | + */ | |
| 95 | + numInComponents = profiles[0].getNumComponents(); | |
| 96 | + numOutComponents = profiles[profiles.length - 1].getNumComponents(); | |
| 97 | + } | |
| 98 | + | |
| 99 | + public LCMSTransform (ColorTransform[] transforms) { | |
| 100 | + int size = 0; | |
| 101 | + for (int i=0; i < transforms.length; i++) { | |
| 102 | + size+=((LCMSTransform)transforms[i]).profiles.length; | |
| 103 | + } | |
| 104 | + profiles = new ICC_Profile[size]; | |
| 105 | + profileIDs = new long[size]; | |
| 106 | + int j = 0; | |
| 107 | + for (int i=0; i < transforms.length; i++) { | |
| 108 | + LCMSTransform curTrans = (LCMSTransform)transforms[i]; | |
| 109 | + System.arraycopy(curTrans.profiles, 0, profiles, j, | |
| 110 | + curTrans.profiles.length); | |
| 111 | + System.arraycopy(curTrans.profileIDs, 0, profileIDs, j, | |
| 112 | + curTrans.profileIDs.length); | |
| 113 | + j += curTrans.profiles.length; | |
| 114 | + } | |
| 115 | + renderType = ((LCMSTransform)transforms[0]).renderType; | |
| 116 | + | |
| 117 | + /* Note that ICC_Profile.getNumComponents() is quite expensive | |
| 118 | + * (it may results in a reading of the profile header). | |
| 119 | + * So, here we cache the number of components of input and | |
| 120 | + * output profiles for further usage. | |
| 121 | + */ | |
| 122 | + numInComponents = profiles[0].getNumComponents(); | |
| 123 | + numOutComponents = profiles[profiles.length - 1].getNumComponents(); | |
| 124 | + } | |
| 125 | + | |
| 126 | + public int getNumInComponents() { | |
| 127 | + return numInComponents; | |
| 128 | + } | |
| 129 | + | |
| 130 | + public int getNumOutComponents() { | |
| 131 | + return numOutComponents; | |
| 132 | + } | |
| 133 | + | |
| 134 | + private synchronized void doTransform(LCMSImageLayout in, | |
| 135 | + LCMSImageLayout out) { | |
| 136 | + // update native transfrom if needed | |
| 137 | + if (ID == 0L || | |
| 138 | + inFormatter != in.pixelType || | |
| 139 | + outFormatter != out.pixelType) { | |
| 140 | + | |
| 141 | + if (ID != 0L) { | |
| 142 | + // Disposer will destroy forgotten transform | |
| 143 | + disposerReferent = new Object(); | |
| 144 | + } | |
| 145 | + inFormatter = in.pixelType; | |
| 146 | + outFormatter = out.pixelType; | |
| 147 | + | |
| 148 | + ID = LCMS.createNativeTransform(profileIDs, renderType, | |
| 149 | + inFormatter, outFormatter, | |
| 150 | + disposerReferent); | |
| 151 | + } | |
| 152 | + | |
| 153 | + LCMS.colorConvert(this, in, out); | |
| 154 | + } | |
| 155 | + | |
| 156 | + public void colorConvert(BufferedImage src, BufferedImage dst) { | |
| 157 | + if (LCMSImageLayout.isSupported(src) && | |
| 158 | + LCMSImageLayout.isSupported(dst)) | |
| 159 | + { | |
| 160 | + doTransform(new LCMSImageLayout(src), new LCMSImageLayout(dst)); | |
| 161 | + return; | |
| 162 | + } | |
| 163 | + LCMSImageLayout srcIL, dstIL; | |
| 164 | + Raster srcRas = src.getRaster(); | |
| 165 | + WritableRaster dstRas = dst.getRaster(); | |
| 166 | + ColorModel srcCM = src.getColorModel(); | |
| 167 | + ColorModel dstCM = dst.getColorModel(); | |
| 168 | + int w = src.getWidth(); | |
| 169 | + int h = src.getHeight(); | |
| 170 | + int srcNumComp = srcCM.getNumColorComponents(); | |
| 171 | + int dstNumComp = dstCM.getNumColorComponents(); | |
| 172 | + int precision = 8; | |
| 173 | + float maxNum = 255.0f; | |
| 174 | + for (int i = 0; i < srcNumComp; i++) { | |
| 175 | + if (srcCM.getComponentSize(i) > 8) { | |
| 176 | + precision = 16; | |
| 177 | + maxNum = 65535.0f; | |
| 178 | + } | |
| 179 | + } | |
| 180 | + for (int i = 0; i < dstNumComp; i++) { | |
| 181 | + if (dstCM.getComponentSize(i) > 8) { | |
| 182 | + precision = 16; | |
| 183 | + maxNum = 65535.0f; | |
| 184 | + } | |
| 185 | + } | |
| 186 | + float[] srcMinVal = new float[srcNumComp]; | |
| 187 | + float[] srcInvDiffMinMax = new float[srcNumComp]; | |
| 188 | + ColorSpace cs = srcCM.getColorSpace(); | |
| 189 | + for (int i = 0; i < srcNumComp; i++) { | |
| 190 | + srcMinVal[i] = cs.getMinValue(i); | |
| 191 | + srcInvDiffMinMax[i] = maxNum / (cs.getMaxValue(i) - srcMinVal[i]); | |
| 192 | + } | |
| 193 | + cs = dstCM.getColorSpace(); | |
| 194 | + float[] dstMinVal = new float[dstNumComp]; | |
| 195 | + float[] dstDiffMinMax = new float[dstNumComp]; | |
| 196 | + for (int i = 0; i < dstNumComp; i++) { | |
| 197 | + dstMinVal[i] = cs.getMinValue(i); | |
| 198 | + dstDiffMinMax[i] = (cs.getMaxValue(i) - dstMinVal[i]) / maxNum; | |
| 199 | + } | |
| 200 | + boolean dstHasAlpha = dstCM.hasAlpha(); | |
| 201 | + boolean needSrcAlpha = srcCM.hasAlpha() && dstHasAlpha; | |
| 202 | + float[] dstColor; | |
| 203 | + if (dstHasAlpha) { | |
| 204 | + dstColor = new float[dstNumComp + 1]; | |
| 205 | + } else { | |
| 206 | + dstColor = new float[dstNumComp]; | |
| 207 | + } | |
| 208 | + if (precision == 8) { | |
| 209 | + byte[] srcLine = new byte[w * srcNumComp]; | |
| 210 | + byte[] dstLine = new byte[w * dstNumComp]; | |
| 211 | + Object pixel; | |
| 212 | + float[] color; | |
| 213 | + float[] alpha = null; | |
| 214 | + if (needSrcAlpha) { | |
| 215 | + alpha = new float[w]; | |
| 216 | + } | |
| 217 | + int idx; | |
| 218 | + // TODO check for src npixels = dst npixels | |
| 219 | + srcIL = new LCMSImageLayout( | |
| 220 | + srcLine, srcLine.length/getNumInComponents(), | |
| 221 | + LCMSImageLayout.CHANNELS_SH(getNumInComponents()) | | |
| 222 | + LCMSImageLayout.BYTES_SH(1), getNumInComponents()); | |
| 223 | + dstIL = new LCMSImageLayout( | |
| 224 | + dstLine, dstLine.length/getNumOutComponents(), | |
| 225 | + LCMSImageLayout.CHANNELS_SH(getNumOutComponents()) | | |
| 226 | + LCMSImageLayout.BYTES_SH(1), getNumOutComponents()); | |
| 227 | + // process each scanline | |
| 228 | + for (int y = 0; y < h; y++) { | |
| 229 | + // convert src scanline | |
| 230 | + pixel = null; | |
| 231 | + color = null; | |
| 232 | + idx = 0; | |
| 233 | + for (int x = 0; x < w; x++) { | |
| 234 | + pixel = srcRas.getDataElements(x, y, pixel); | |
| 235 | + color = srcCM.getNormalizedComponents(pixel, color, 0); | |
| 236 | + for (int i = 0; i < srcNumComp; i++) { | |
| 237 | + srcLine[idx++] = (byte) | |
| 238 | + ((color[i] - srcMinVal[i]) * srcInvDiffMinMax[i] + | |
| 239 | + 0.5f); | |
| 240 | + } | |
| 241 | + if (needSrcAlpha) { | |
| 242 | + alpha[x] = color[srcNumComp]; | |
| 243 | + } | |
| 244 | + } | |
| 245 | + // color convert srcLine to dstLine | |
| 246 | + doTransform(srcIL, dstIL); | |
| 247 | + | |
| 248 | + // convert dst scanline | |
| 249 | + pixel = null; | |
| 250 | + idx = 0; | |
| 251 | + for (int x = 0; x < w; x++) { | |
| 252 | + for (int i = 0; i < dstNumComp; i++) { | |
| 253 | + dstColor[i] = ((float) (dstLine[idx++] & 0xff)) * | |
| 254 | + dstDiffMinMax[i] + dstMinVal[i]; | |
| 255 | + } | |
| 256 | + if (needSrcAlpha) { | |
| 257 | + dstColor[dstNumComp] = alpha[x]; | |
| 258 | + } else if (dstHasAlpha) { | |
| 259 | + dstColor[dstNumComp] = 1.0f; | |
| 260 | + } | |
| 261 | + pixel = dstCM.getDataElements(dstColor, 0, pixel); | |
| 262 | + dstRas.setDataElements(x, y, pixel); | |
| 263 | + } | |
| 264 | + } | |
| 265 | + } else { | |
| 266 | + short[] srcLine = new short[w * srcNumComp]; | |
| 267 | + short[] dstLine = new short[w * dstNumComp]; | |
| 268 | + Object pixel; | |
| 269 | + float[] color; | |
| 270 | + float[] alpha = null; | |
| 271 | + if (needSrcAlpha) { | |
| 272 | + alpha = new float[w]; | |
| 273 | + } | |
| 274 | + int idx; | |
| 275 | + srcIL = new LCMSImageLayout( | |
| 276 | + srcLine, srcLine.length/getNumInComponents(), | |
| 277 | + LCMSImageLayout.CHANNELS_SH(getNumInComponents()) | | |
| 278 | + LCMSImageLayout.BYTES_SH(2), getNumInComponents()*2); | |
| 279 | + | |
| 280 | + dstIL = new LCMSImageLayout( | |
| 281 | + dstLine, dstLine.length/getNumOutComponents(), | |
| 282 | + LCMSImageLayout.CHANNELS_SH(getNumOutComponents()) | | |
| 283 | + LCMSImageLayout.BYTES_SH(2), getNumOutComponents()*2); | |
| 284 | + | |
| 285 | + // process each scanline | |
| 286 | + for (int y = 0; y < h; y++) { | |
| 287 | + // convert src scanline | |
| 288 | + pixel = null; | |
| 289 | + color = null; | |
| 290 | + idx = 0; | |
| 291 | + for (int x = 0; x < w; x++) { | |
| 292 | + pixel = srcRas.getDataElements(x, y, pixel); | |
| 293 | + color = srcCM.getNormalizedComponents(pixel, color, 0); | |
| 294 | + for (int i = 0; i < srcNumComp; i++) { | |
| 295 | + srcLine[idx++] = (short) | |
| 296 | + ((color[i] - srcMinVal[i]) * srcInvDiffMinMax[i] + | |
| 297 | + 0.5f); | |
| 298 | + } | |
| 299 | + if (needSrcAlpha) { | |
| 300 | + alpha[x] = color[srcNumComp]; | |
| 301 | + } | |
| 302 | + } | |
| 303 | + // color convert srcLine to dstLine | |
| 304 | + doTransform(srcIL, dstIL); | |
| 305 | + | |
| 306 | + // convert dst scanline | |
| 307 | + pixel = null; | |
| 308 | + idx = 0; | |
| 309 | + for (int x = 0; x < w; x++) { | |
| 310 | + for (int i = 0; i < dstNumComp; i++) { | |
| 311 | + dstColor[i] = ((float) (dstLine[idx++] & 0xffff)) * | |
| 312 | + dstDiffMinMax[i] + dstMinVal[i]; | |
| 313 | + } | |
| 314 | + if (needSrcAlpha) { | |
| 315 | + dstColor[dstNumComp] = alpha[x]; | |
| 316 | + } else if (dstHasAlpha) { | |
| 317 | + dstColor[dstNumComp] = 1.0f; | |
| 318 | + } | |
| 319 | + pixel = dstCM.getDataElements(dstColor, 0, pixel); | |
| 320 | + dstRas.setDataElements(x, y, pixel); | |
| 321 | + } | |
| 322 | + } | |
| 323 | + } | |
| 324 | + } | |
| 325 | + | |
| 326 | + public void colorConvert(Raster src, WritableRaster dst, | |
| 327 | + float[] srcMinVal, float[]srcMaxVal, | |
| 328 | + float[] dstMinVal, float[]dstMaxVal) { | |
| 329 | + LCMSImageLayout srcIL, dstIL; | |
| 330 | + | |
| 331 | + // Can't pass src and dst directly to CMM, so process per scanline | |
| 332 | + SampleModel srcSM = src.getSampleModel(); | |
| 333 | + SampleModel dstSM = dst.getSampleModel(); | |
| 334 | + int srcTransferType = src.getTransferType(); | |
| 335 | + int dstTransferType = dst.getTransferType(); | |
| 336 | + boolean srcIsFloat, dstIsFloat; | |
| 337 | + if ((srcTransferType == DataBuffer.TYPE_FLOAT) || | |
| 338 | + (srcTransferType == DataBuffer.TYPE_DOUBLE)) { | |
| 339 | + srcIsFloat = true; | |
| 340 | + } else { | |
| 341 | + srcIsFloat = false; | |
| 342 | + } | |
| 343 | + if ((dstTransferType == DataBuffer.TYPE_FLOAT) || | |
| 344 | + (dstTransferType == DataBuffer.TYPE_DOUBLE)) { | |
| 345 | + dstIsFloat = true; | |
| 346 | + } else { | |
| 347 | + dstIsFloat = false; | |
| 348 | + } | |
| 349 | + int w = src.getWidth(); | |
| 350 | + int h = src.getHeight(); | |
| 351 | + int srcNumBands = src.getNumBands(); | |
| 352 | + int dstNumBands = dst.getNumBands(); | |
| 353 | + float[] srcScaleFactor = new float[srcNumBands]; | |
| 354 | + float[] dstScaleFactor = new float[dstNumBands]; | |
| 355 | + float[] srcUseMinVal = new float[srcNumBands]; | |
| 356 | + float[] dstUseMinVal = new float[dstNumBands]; | |
| 357 | + for (int i = 0; i < srcNumBands; i++) { | |
| 358 | + if (srcIsFloat) { | |
| 359 | + srcScaleFactor[i] = 65535.0f / (srcMaxVal[i] - srcMinVal[i]); | |
| 360 | + srcUseMinVal[i] = srcMinVal[i]; | |
| 361 | + } else { | |
| 362 | + if (srcTransferType == DataBuffer.TYPE_SHORT) { | |
| 363 | + srcScaleFactor[i] = 65535.0f / 32767.0f; | |
| 364 | + } else { | |
| 365 | + srcScaleFactor[i] = 65535.0f / | |
| 366 | + ((float) ((1 << srcSM.getSampleSize(i)) - 1)); | |
| 367 | + } | |
| 368 | + srcUseMinVal[i] = 0.0f; | |
| 369 | + } | |
| 370 | + } | |
| 371 | + for (int i = 0; i < dstNumBands; i++) { | |
| 372 | + if (dstIsFloat) { | |
| 373 | + dstScaleFactor[i] = (dstMaxVal[i] - dstMinVal[i]) / 65535.0f; | |
| 374 | + dstUseMinVal[i] = dstMinVal[i]; | |
| 375 | + } else { | |
| 376 | + if (dstTransferType == DataBuffer.TYPE_SHORT) { | |
| 377 | + dstScaleFactor[i] = 32767.0f / 65535.0f; | |
| 378 | + } else { | |
| 379 | + dstScaleFactor[i] = | |
| 380 | + ((float) ((1 << dstSM.getSampleSize(i)) - 1)) / | |
| 381 | + 65535.0f; | |
| 382 | + } | |
| 383 | + dstUseMinVal[i] = 0.0f; | |
| 384 | + } | |
| 385 | + } | |
| 386 | + int ys = src.getMinY(); | |
| 387 | + int yd = dst.getMinY(); | |
| 388 | + int xs, xd; | |
| 389 | + float sample; | |
| 390 | + short[] srcLine = new short[w * srcNumBands]; | |
| 391 | + short[] dstLine = new short[w * dstNumBands]; | |
| 392 | + int idx; | |
| 393 | + srcIL = new LCMSImageLayout( | |
| 394 | + srcLine, srcLine.length/getNumInComponents(), | |
| 395 | + LCMSImageLayout.CHANNELS_SH(getNumInComponents()) | | |
| 396 | + LCMSImageLayout.BYTES_SH(2), getNumInComponents()*2); | |
| 397 | + | |
| 398 | + dstIL = new LCMSImageLayout( | |
| 399 | + dstLine, dstLine.length/getNumOutComponents(), | |
| 400 | + LCMSImageLayout.CHANNELS_SH(getNumOutComponents()) | | |
| 401 | + LCMSImageLayout.BYTES_SH(2), getNumOutComponents()*2); | |
| 402 | + | |
| 403 | + // process each scanline | |
| 404 | + for (int y = 0; y < h; y++, ys++, yd++) { | |
| 405 | + // get src scanline | |
| 406 | + xs = src.getMinX(); | |
| 407 | + idx = 0; | |
| 408 | + for (int x = 0; x < w; x++, xs++) { | |
| 409 | + for (int i = 0; i < srcNumBands; i++) { | |
| 410 | + sample = src.getSampleFloat(xs, ys, i); | |
| 411 | + srcLine[idx++] = (short) | |
| 412 | + ((sample - srcUseMinVal[i]) * srcScaleFactor[i] + 0.5f); | |
| 413 | + } | |
| 414 | + } | |
| 415 | + | |
| 416 | + // color convert srcLine to dstLine | |
| 417 | + doTransform(srcIL, dstIL); | |
| 418 | + | |
| 419 | + // store dst scanline | |
| 420 | + xd = dst.getMinX(); | |
| 421 | + idx = 0; | |
| 422 | + for (int x = 0; x < w; x++, xd++) { | |
| 423 | + for (int i = 0; i < dstNumBands; i++) { | |
| 424 | + sample = ((dstLine[idx++] & 0xffff) * dstScaleFactor[i]) + | |
| 425 | + dstUseMinVal[i]; | |
| 426 | + dst.setSample(xd, yd, i, sample); | |
| 427 | + } | |
| 428 | + } | |
| 429 | + } | |
| 430 | + } | |
| 431 | + | |
| 432 | + public void colorConvert(Raster src, WritableRaster dst) { | |
| 433 | + | |
| 434 | + LCMSImageLayout srcIL, dstIL; | |
| 435 | + // Can't pass src and dst directly to CMM, so process per scanline | |
| 436 | + SampleModel srcSM = src.getSampleModel(); | |
| 437 | + SampleModel dstSM = dst.getSampleModel(); | |
| 438 | + int srcTransferType = src.getTransferType(); | |
| 439 | + int dstTransferType = dst.getTransferType(); | |
| 440 | + int w = src.getWidth(); | |
| 441 | + int h = src.getHeight(); | |
| 442 | + int srcNumBands = src.getNumBands(); | |
| 443 | + int dstNumBands = dst.getNumBands(); | |
| 444 | + int precision = 8; | |
| 445 | + float maxNum = 255.0f; | |
| 446 | + for (int i = 0; i < srcNumBands; i++) { | |
| 447 | + if (srcSM.getSampleSize(i) > 8) { | |
| 448 | + precision = 16; | |
| 449 | + maxNum = 65535.0f; | |
| 450 | + } | |
| 451 | + } | |
| 452 | + for (int i = 0; i < dstNumBands; i++) { | |
| 453 | + if (dstSM.getSampleSize(i) > 8) { | |
| 454 | + precision = 16; | |
| 455 | + maxNum = 65535.0f; | |
| 456 | + } | |
| 457 | + } | |
| 458 | + float[] srcScaleFactor = new float[srcNumBands]; | |
| 459 | + float[] dstScaleFactor = new float[dstNumBands]; | |
| 460 | + for (int i = 0; i < srcNumBands; i++) { | |
| 461 | + if (srcTransferType == DataBuffer.TYPE_SHORT) { | |
| 462 | + srcScaleFactor[i] = maxNum / 32767.0f; | |
| 463 | + } else { | |
| 464 | + srcScaleFactor[i] = maxNum / | |
| 465 | + ((float) ((1 << srcSM.getSampleSize(i)) - 1)); | |
| 466 | + } | |
| 467 | + } | |
| 468 | + for (int i = 0; i < dstNumBands; i++) { | |
| 469 | + if (dstTransferType == DataBuffer.TYPE_SHORT) { | |
| 470 | + dstScaleFactor[i] = 32767.0f / maxNum; | |
| 471 | + } else { | |
| 472 | + dstScaleFactor[i] = | |
| 473 | + ((float) ((1 << dstSM.getSampleSize(i)) - 1)) / maxNum; | |
| 474 | + } | |
| 475 | + } | |
| 476 | + int ys = src.getMinY(); | |
| 477 | + int yd = dst.getMinY(); | |
| 478 | + int xs, xd; | |
| 479 | + int sample; | |
| 480 | + if (precision == 8) { | |
| 481 | + byte[] srcLine = new byte[w * srcNumBands]; | |
| 482 | + byte[] dstLine = new byte[w * dstNumBands]; | |
| 483 | + int idx; | |
| 484 | + // TODO check for src npixels = dst npixels | |
| 485 | + srcIL = new LCMSImageLayout( | |
| 486 | + srcLine, srcLine.length/getNumInComponents(), | |
| 487 | + LCMSImageLayout.CHANNELS_SH(getNumInComponents()) | | |
| 488 | + LCMSImageLayout.BYTES_SH(1), getNumInComponents()); | |
| 489 | + dstIL = new LCMSImageLayout( | |
| 490 | + dstLine, dstLine.length/getNumOutComponents(), | |
| 491 | + LCMSImageLayout.CHANNELS_SH(getNumOutComponents()) | | |
| 492 | + LCMSImageLayout.BYTES_SH(1), getNumOutComponents()); | |
| 493 | + | |
| 494 | + // process each scanline | |
| 495 | + for (int y = 0; y < h; y++, ys++, yd++) { | |
| 496 | + // get src scanline | |
| 497 | + xs = src.getMinX(); | |
| 498 | + idx = 0; | |
| 499 | + for (int x = 0; x < w; x++, xs++) { | |
| 500 | + for (int i = 0; i < srcNumBands; i++) { | |
| 501 | + sample = src.getSample(xs, ys, i); | |
| 502 | + srcLine[idx++] = (byte) | |
| 503 | + ((sample * srcScaleFactor[i]) + 0.5f); | |
| 504 | + } | |
| 505 | + } | |
| 506 | + | |
| 507 | + // color convert srcLine to dstLine | |
| 508 | + doTransform(srcIL, dstIL); | |
| 509 | + | |
| 510 | + // store dst scanline | |
| 511 | + xd = dst.getMinX(); | |
| 512 | + idx = 0; | |
| 513 | + for (int x = 0; x < w; x++, xd++) { | |
| 514 | + for (int i = 0; i < dstNumBands; i++) { | |
| 515 | + sample = (int) (((dstLine[idx++] & 0xff) * | |
| 516 | + dstScaleFactor[i]) + 0.5f); | |
| 517 | + dst.setSample(xd, yd, i, sample); | |
| 518 | + } | |
| 519 | + } | |
| 520 | + } | |
| 521 | + } else { | |
| 522 | + short[] srcLine = new short[w * srcNumBands]; | |
| 523 | + short[] dstLine = new short[w * dstNumBands]; | |
| 524 | + int idx; | |
| 525 | + srcIL = new LCMSImageLayout( | |
| 526 | + srcLine, srcLine.length/getNumInComponents(), | |
| 527 | + LCMSImageLayout.CHANNELS_SH(getNumInComponents()) | | |
| 528 | + LCMSImageLayout.BYTES_SH(2), getNumInComponents()*2); | |
| 529 | + | |
| 530 | + dstIL = new LCMSImageLayout( | |
| 531 | + dstLine, dstLine.length/getNumOutComponents(), | |
| 532 | + LCMSImageLayout.CHANNELS_SH(getNumOutComponents()) | | |
| 533 | + LCMSImageLayout.BYTES_SH(2), getNumOutComponents()*2); | |
| 534 | + | |
| 535 | + // process each scanline | |
| 536 | + for (int y = 0; y < h; y++, ys++, yd++) { | |
| 537 | + // get src scanline | |
| 538 | + xs = src.getMinX(); | |
| 539 | + idx = 0; | |
| 540 | + for (int x = 0; x < w; x++, xs++) { | |
| 541 | + for (int i = 0; i < srcNumBands; i++) { | |
| 542 | + sample = src.getSample(xs, ys, i); | |
| 543 | + srcLine[idx++] = (short) | |
| 544 | + ((sample * srcScaleFactor[i]) + 0.5f); | |
| 545 | + } | |
| 546 | + } | |
| 547 | + | |
| 548 | + // color convert srcLine to dstLine | |
| 549 | + doTransform(srcIL, dstIL); | |
| 550 | + | |
| 551 | + // store dst scanline | |
| 552 | + xd = dst.getMinX(); | |
| 553 | + idx = 0; | |
| 554 | + for (int x = 0; x < w; x++, xd++) { | |
| 555 | + for (int i = 0; i < dstNumBands; i++) { | |
| 556 | + sample = (int) (((dstLine[idx++] & 0xffff) * | |
| 557 | + dstScaleFactor[i]) + 0.5f); | |
| 558 | + dst.setSample(xd, yd, i, sample); | |
| 559 | + } | |
| 560 | + } | |
| 561 | + } | |
| 562 | + } | |
| 563 | + } | |
| 564 | + | |
| 565 | + /* convert an array of colors in short format */ | |
| 566 | + /* each color is a contiguous set of array elements */ | |
| 567 | + /* the number of colors is (size of the array) / (number of input/output | |
| 568 | + components */ | |
| 569 | + public short[] colorConvert(short[] src, short[] dst) { | |
| 570 | + | |
| 571 | + if (dst == null) { | |
| 572 | + dst = new short [(src.length/getNumInComponents())*getNumOutComponents()]; | |
| 573 | + } | |
| 574 | + | |
| 575 | + LCMSImageLayout srcIL = new LCMSImageLayout( | |
| 576 | + src, src.length/getNumInComponents(), | |
| 577 | + LCMSImageLayout.CHANNELS_SH(getNumInComponents()) | | |
| 578 | + LCMSImageLayout.BYTES_SH(2), getNumInComponents()*2); | |
| 579 | + | |
| 580 | + LCMSImageLayout dstIL = new LCMSImageLayout( | |
| 581 | + dst, dst.length/getNumOutComponents(), | |
| 582 | + LCMSImageLayout.CHANNELS_SH(getNumOutComponents()) | | |
| 583 | + LCMSImageLayout.BYTES_SH(2), getNumOutComponents()*2); | |
| 584 | + | |
| 585 | + doTransform(srcIL, dstIL); | |
| 586 | + | |
| 587 | + return dst; | |
| 588 | + } | |
| 589 | + | |
| 590 | + public byte[] colorConvert(byte[] src, byte[] dst) { | |
| 591 | + if (dst == null) { | |
| 592 | + dst = new byte [(src.length/getNumInComponents())*getNumOutComponents()]; | |
| 593 | + } | |
| 594 | + | |
| 595 | + LCMSImageLayout srcIL = new LCMSImageLayout( | |
| 596 | + src, src.length/getNumInComponents(), | |
| 597 | + LCMSImageLayout.CHANNELS_SH(getNumInComponents()) | | |
| 598 | + LCMSImageLayout.BYTES_SH(1), getNumInComponents()); | |
| 599 | + | |
| 600 | + LCMSImageLayout dstIL = new LCMSImageLayout( | |
| 601 | + dst, dst.length/getNumOutComponents(), | |
| 602 | + LCMSImageLayout.CHANNELS_SH(getNumOutComponents()) | | |
| 603 | + LCMSImageLayout.BYTES_SH(1), getNumOutComponents()); | |
| 604 | + | |
| 605 | + doTransform(srcIL, dstIL); | |
| 606 | + | |
| 607 | + return dst; | |
| 608 | + } | |
| 609 | +} | |