Showing the changes to java/pkg/sun/java2d/cmm/lcms/LCMSTransform.java (1 of 18352 files). Show all
Unified · Split
| @@ -0,0 +1,609 @@ | |||
| 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| 30 | *** As an unpublished work pursuant to Title 17 of the United *** | ||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 | } | ||