| File: | jdk/src/java.desktop/share/native/libawt/awt/image/awt_parseImage.c |
| Warning: | line 100, column 10 Although the value stored to 'status' is used in the enclosing expression, the value is never actually read from 'status' |
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| 1 | /* |
| 2 | * Copyright (c) 1997, 2014, 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 | #include <stdio.h> |
| 27 | #include <stdlib.h> |
| 28 | #include "awt_parseImage.h" |
| 29 | #include "imageInitIDs.h" |
| 30 | #include "java_awt_Transparency.h" |
| 31 | #include "java_awt_image_BufferedImage.h" |
| 32 | #include "sun_awt_image_IntegerComponentRaster.h" |
| 33 | #include "sun_awt_image_ImagingLib.h" |
| 34 | #include "java_awt_color_ColorSpace.h" |
| 35 | #include "awt_Mlib.h" |
| 36 | #include "safe_alloc.h" |
| 37 | #include "safe_math.h" |
| 38 | |
| 39 | static int setHints(JNIEnv *env, BufImageS_t *imageP); |
| 40 | |
| 41 | |
| 42 | |
| 43 | /* Parse the buffered image. All of the raster information is returned in the |
| 44 | * imagePP structure. |
| 45 | * |
| 46 | * The handleCustom parameter specifies whether or not the caller |
| 47 | * can use custom channels. If it is false and a custom channel |
| 48 | * is encountered, the returned value will be 0 and all structures |
| 49 | * will be deallocated. |
| 50 | * |
| 51 | * Return value: |
| 52 | * -1: Exception |
| 53 | * 0: Can't do it. |
| 54 | * 1: Success |
| 55 | */ |
| 56 | int awt_parseImage(JNIEnv *env, jobject jimage, BufImageS_t **imagePP, |
| 57 | int handleCustom) { |
| 58 | BufImageS_t *imageP; |
| 59 | int status; |
| 60 | jobject jraster; |
| 61 | jobject jcmodel; |
| 62 | |
| 63 | /* Make sure the image exists */ |
| 64 | if (JNU_IsNull(env, jimage)((jimage) == ((void*)0))) { |
| 65 | JNU_ThrowNullPointerException(env, "null BufferedImage object"); |
| 66 | return -1; |
| 67 | } |
| 68 | |
| 69 | if ((imageP = (BufImageS_t *) calloc(1, sizeof(BufImageS_t))) == NULL((void*)0)) { |
| 70 | JNU_ThrowOutOfMemoryError(env, "Out of memory"); |
| 71 | return -1; |
| 72 | } |
| 73 | imageP->jimage = jimage; |
| 74 | |
| 75 | /* Retrieve the raster */ |
| 76 | if ((jraster = (*env)->GetObjectField(env, jimage, |
| 77 | g_BImgRasterID)) == NULL((void*)0)) { |
| 78 | free((void *) imageP); |
| 79 | JNU_ThrowNullPointerException(env, "null Raster object"); |
| 80 | return 0; |
| 81 | } |
| 82 | |
| 83 | /* Retrieve the image type */ |
| 84 | imageP->imageType = (*env)->GetIntField(env, jimage, g_BImgTypeID); |
| 85 | |
| 86 | /* Parse the raster */ |
| 87 | if ((status = awt_parseRaster(env, jraster, &imageP->raster)) <= 0) { |
| 88 | free((void *)imageP); |
| 89 | return status; |
| 90 | } |
| 91 | |
| 92 | /* Retrieve the color model */ |
| 93 | if ((jcmodel = (*env)->GetObjectField(env, jimage, g_BImgCMID)) == NULL((void*)0)) { |
| 94 | free((void *) imageP); |
| 95 | JNU_ThrowNullPointerException(env, "null Raster object"); |
| 96 | return 0; |
| 97 | } |
| 98 | |
| 99 | /* Parse the color model */ |
| 100 | if ((status = awt_parseColorModel(env, jcmodel, imageP->imageType, |
Although the value stored to 'status' is used in the enclosing expression, the value is never actually read from 'status' | |
| 101 | &imageP->cmodel)) <= 0) { |
| 102 | awt_freeParsedRaster(&imageP->raster, FALSE(0)); |
| 103 | free((void *)imageP); |
| 104 | return 0; |
| 105 | } |
| 106 | |
| 107 | /* Set hints */ |
| 108 | if ((status = setHints(env, imageP)) <= 0) { |
| 109 | awt_freeParsedImage(imageP, TRUE(1)); |
| 110 | return 0; |
| 111 | } |
| 112 | |
| 113 | *imagePP = imageP; |
| 114 | |
| 115 | return status; |
| 116 | } |
| 117 | |
| 118 | /* Verifies whether the channel offsets are sane and correspond to the type of |
| 119 | * the raster. |
| 120 | * |
| 121 | * Return value: |
| 122 | * 0: Failure: channel offsets are invalid |
| 123 | * 1: Success |
| 124 | */ |
| 125 | static int checkChannelOffsets(RasterS_t *rasterP, int dataArrayLength) { |
| 126 | int i, lastPixelOffset, lastScanOffset; |
| 127 | switch (rasterP->rasterType) { |
| 128 | case COMPONENT_RASTER_TYPE1: |
| 129 | if (!SAFE_TO_MULT(rasterP->height, rasterP->scanlineStride)(((rasterP->height) > 0) && ((rasterP->scanlineStride ) >= 0) && ((0x7fffffff / (rasterP->height)) > (rasterP->scanlineStride)))) { |
| 130 | return 0; |
| 131 | } |
| 132 | if (!SAFE_TO_MULT(rasterP->width, rasterP->pixelStride)(((rasterP->width) > 0) && ((rasterP->pixelStride ) >= 0) && ((0x7fffffff / (rasterP->width)) > (rasterP->pixelStride)))) { |
| 133 | return 0; |
| 134 | } |
| 135 | |
| 136 | lastScanOffset = (rasterP->height - 1) * rasterP->scanlineStride; |
| 137 | lastPixelOffset = (rasterP->width - 1) * rasterP->pixelStride; |
| 138 | |
| 139 | |
| 140 | if (!SAFE_TO_ADD(lastPixelOffset, lastScanOffset)(((lastPixelOffset) >= 0) && ((lastScanOffset) >= 0) && ((0x7fffffff - (lastPixelOffset)) > (lastScanOffset )))) { |
| 141 | return 0; |
| 142 | } |
| 143 | |
| 144 | lastPixelOffset += lastScanOffset; |
| 145 | |
| 146 | for (i = 0; i < rasterP->numDataElements; i++) { |
| 147 | int off = rasterP->chanOffsets[i]; |
| 148 | int size = lastPixelOffset + off; |
| 149 | |
| 150 | if (off < 0 || !SAFE_TO_ADD(lastPixelOffset, off)(((lastPixelOffset) >= 0) && ((off) >= 0) && ((0x7fffffff - (lastPixelOffset)) > (off)))) { |
| 151 | return 0; |
| 152 | } |
| 153 | |
| 154 | if (size < lastPixelOffset || size >= dataArrayLength) { |
| 155 | // an overflow, or insufficient buffer capacity |
| 156 | return 0; |
| 157 | } |
| 158 | } |
| 159 | return 1; |
| 160 | case BANDED_RASTER_TYPE2: |
| 161 | // NB:caller does not support the banded rasters yet, |
| 162 | // so this branch of the code must be re-defined in |
| 163 | // order to provide valid criteria for the data offsets |
| 164 | // verification, when/if banded rasters will be supported. |
| 165 | // At the moment, we prohibit banded rasters as well. |
| 166 | return 0; |
| 167 | default: |
| 168 | // PACKED_RASTER_TYPE: does not support channel offsets |
| 169 | // UNKNOWN_RASTER_TYPE: should not be used, likely indicates an error |
| 170 | return 0; |
| 171 | } |
| 172 | } |
| 173 | |
| 174 | /* Parse the raster. All of the raster information is returned in the |
| 175 | * rasterP structure. |
| 176 | * |
| 177 | * Return value: |
| 178 | * -1: Exception |
| 179 | * 0: Can't do it (Custom channel) |
| 180 | * 1: Success |
| 181 | */ |
| 182 | int awt_parseRaster(JNIEnv *env, jobject jraster, RasterS_t *rasterP) { |
| 183 | jobject joffs = NULL((void*)0); |
| 184 | /* int status;*/ |
| 185 | jclass singlePixelPackedSampleModelClass = NULL((void*)0); |
| 186 | jclass integerComponentRasterClass = NULL((void*)0); |
| 187 | jclass byteComponentRasterClass = NULL((void*)0); |
| 188 | jclass shortComponentRasterClass = NULL((void*)0); |
| 189 | jclass bytePackedRasterClass = NULL((void*)0); |
| 190 | |
| 191 | if (JNU_IsNull(env, jraster)((jraster) == ((void*)0))) { |
| 192 | JNU_ThrowNullPointerException(env, "null Raster object"); |
| 193 | return -1; |
| 194 | } |
| 195 | |
| 196 | rasterP->jraster = jraster; |
| 197 | rasterP->width = (*env)->GetIntField(env, jraster, g_RasterWidthID); |
| 198 | rasterP->height = (*env)->GetIntField(env, jraster, g_RasterHeightID); |
| 199 | rasterP->numDataElements = (*env)->GetIntField(env, jraster, |
| 200 | g_RasterNumDataElementsID); |
| 201 | rasterP->numBands = (*env)->GetIntField(env, jraster, |
| 202 | g_RasterNumBandsID); |
| 203 | |
| 204 | rasterP->baseOriginX = (*env)->GetIntField(env, jraster, |
| 205 | g_RasterBaseOriginXID); |
| 206 | rasterP->baseOriginY = (*env)->GetIntField(env, jraster, |
| 207 | g_RasterBaseOriginYID); |
| 208 | rasterP->minX = (*env)->GetIntField(env, jraster, g_RasterMinXID); |
| 209 | rasterP->minY = (*env)->GetIntField(env, jraster, g_RasterMinYID); |
| 210 | |
| 211 | rasterP->jsampleModel = (*env)->GetObjectField(env, jraster, |
| 212 | g_RasterSampleModelID); |
| 213 | |
| 214 | if (JNU_IsNull(env, rasterP->jsampleModel)((rasterP->jsampleModel) == ((void*)0))) { |
| 215 | JNU_ThrowNullPointerException(env, "null Raster object"); |
| 216 | return -1; |
| 217 | } |
| 218 | |
| 219 | // make sure that the raster type is initialized |
| 220 | rasterP->rasterType = UNKNOWN_RASTER_TYPE0; |
| 221 | |
| 222 | if (rasterP->numBands <= 0 || |
| 223 | rasterP->numBands > MAX_NUMBANDS32) |
| 224 | { |
| 225 | /* |
| 226 | * we can't handle such kind of rasters due to limitations |
| 227 | * of SPPSampleModelS_t structure and expand/set methods. |
| 228 | */ |
| 229 | return 0; |
| 230 | } |
| 231 | |
| 232 | rasterP->sppsm.isUsed = 0; |
| 233 | |
| 234 | singlePixelPackedSampleModelClass = (*env)->FindClass(env, |
| 235 | "java/awt/image/SinglePixelPackedSampleModel"); |
| 236 | CHECK_NULL_RETURN(singlePixelPackedSampleModelClass, -1)do { if ((singlePixelPackedSampleModelClass) == ((void*)0)) { return (-1); } } while (0); |
| 237 | if ((*env)->IsInstanceOf(env, rasterP->jsampleModel, |
| 238 | singlePixelPackedSampleModelClass)) { |
| 239 | jobject jmask, joffs, jnbits; |
| 240 | |
| 241 | rasterP->sppsm.isUsed = 1; |
| 242 | |
| 243 | rasterP->sppsm.maxBitSize = (*env)->GetIntField(env, |
| 244 | rasterP->jsampleModel, |
| 245 | g_SPPSMmaxBitID); |
| 246 | jmask = (*env)->GetObjectField(env, rasterP->jsampleModel, |
| 247 | g_SPPSMmaskArrID); |
| 248 | joffs = (*env)->GetObjectField(env, rasterP->jsampleModel, |
| 249 | g_SPPSMmaskOffID); |
| 250 | jnbits = (*env)->GetObjectField(env, rasterP->jsampleModel, |
| 251 | g_SPPSMnBitsID); |
| 252 | if (jmask == NULL((void*)0) || joffs == NULL((void*)0) || jnbits == NULL((void*)0) || |
| 253 | rasterP->sppsm.maxBitSize < 0) |
| 254 | { |
| 255 | JNU_ThrowInternalError(env, "Can't grab SPPSM fields"); |
| 256 | return -1; |
| 257 | } |
| 258 | (*env)->GetIntArrayRegion(env, jmask, 0, |
| 259 | rasterP->numBands, rasterP->sppsm.maskArray); |
| 260 | (*env)->GetIntArrayRegion(env, joffs, 0, |
| 261 | rasterP->numBands, rasterP->sppsm.offsets); |
| 262 | (*env)->GetIntArrayRegion(env, jnbits, 0, |
| 263 | rasterP->numBands, rasterP->sppsm.nBits); |
| 264 | |
| 265 | } |
| 266 | rasterP->baseRasterWidth = (*env)->GetIntField(env, rasterP->jsampleModel, |
| 267 | g_SMWidthID); |
| 268 | rasterP->baseRasterHeight = (*env)->GetIntField(env, |
| 269 | rasterP->jsampleModel, |
| 270 | g_SMHeightID); |
| 271 | |
| 272 | integerComponentRasterClass = (*env)->FindClass(env, "sun/awt/image/IntegerComponentRaster"); |
| 273 | CHECK_NULL_RETURN(integerComponentRasterClass, -1)do { if ((integerComponentRasterClass) == ((void*)0)) { return (-1); } } while (0); |
| 274 | byteComponentRasterClass = (*env)->FindClass(env, "sun/awt/image/ByteComponentRaster"); |
| 275 | CHECK_NULL_RETURN(byteComponentRasterClass, -1)do { if ((byteComponentRasterClass) == ((void*)0)) { return ( -1); } } while (0); |
| 276 | shortComponentRasterClass = (*env)->FindClass(env,"sun/awt/image/ShortComponentRaster"); |
| 277 | CHECK_NULL_RETURN(shortComponentRasterClass, -1)do { if ((shortComponentRasterClass) == ((void*)0)) { return ( -1); } } while (0); |
| 278 | bytePackedRasterClass = (*env)->FindClass(env, "sun/awt/image/BytePackedRaster"); |
| 279 | CHECK_NULL_RETURN(bytePackedRasterClass, -1)do { if ((bytePackedRasterClass) == ((void*)0)) { return (-1) ; } } while (0); |
| 280 | if ((*env)->IsInstanceOf(env, jraster, integerComponentRasterClass)){ |
| 281 | rasterP->jdata = (*env)->GetObjectField(env, jraster, g_ICRdataID); |
| 282 | rasterP->dataType = INT_DATA_TYPE3; |
| 283 | rasterP->dataSize = 4; |
| 284 | rasterP->dataIsShared = TRUE(1); |
| 285 | rasterP->rasterType = COMPONENT_RASTER_TYPE1; |
| 286 | rasterP->type = (*env)->GetIntField(env, jraster, g_ICRtypeID); |
| 287 | rasterP->scanlineStride = (*env)->GetIntField(env, jraster, g_ICRscanstrID); |
| 288 | rasterP->pixelStride = (*env)->GetIntField(env, jraster, g_ICRpixstrID); |
| 289 | joffs = (*env)->GetObjectField(env, jraster, g_ICRdataOffsetsID); |
| 290 | } |
| 291 | else if ((*env)->IsInstanceOf(env, jraster, byteComponentRasterClass)){ |
| 292 | rasterP->jdata = (*env)->GetObjectField(env, jraster, g_BCRdataID); |
| 293 | rasterP->dataType = BYTE_DATA_TYPE1; |
| 294 | rasterP->dataSize = 1; |
| 295 | rasterP->dataIsShared = TRUE(1); |
| 296 | rasterP->rasterType = COMPONENT_RASTER_TYPE1; |
| 297 | rasterP->type = (*env)->GetIntField(env, jraster, g_BCRtypeID); |
| 298 | rasterP->scanlineStride = (*env)->GetIntField(env, jraster, g_BCRscanstrID); |
| 299 | rasterP->pixelStride = (*env)->GetIntField(env, jraster, g_BCRpixstrID); |
| 300 | joffs = (*env)->GetObjectField(env, jraster, g_BCRdataOffsetsID); |
| 301 | } |
| 302 | else if ((*env)->IsInstanceOf(env, jraster, shortComponentRasterClass)){ |
| 303 | rasterP->jdata = (*env)->GetObjectField(env, jraster, g_SCRdataID); |
| 304 | rasterP->dataType = SHORT_DATA_TYPE2; |
| 305 | rasterP->dataSize = 2; |
| 306 | rasterP->dataIsShared = TRUE(1); |
| 307 | rasterP->rasterType = COMPONENT_RASTER_TYPE1; |
| 308 | rasterP->type = (*env)->GetIntField(env, jraster, g_SCRtypeID); |
| 309 | rasterP->scanlineStride = (*env)->GetIntField(env, jraster, g_SCRscanstrID); |
| 310 | rasterP->pixelStride = (*env)->GetIntField(env, jraster, g_SCRpixstrID); |
| 311 | joffs = (*env)->GetObjectField(env, jraster, g_SCRdataOffsetsID); |
| 312 | } |
| 313 | else if ((*env)->IsInstanceOf(env, jraster, bytePackedRasterClass)){ |
| 314 | rasterP->rasterType = PACKED_RASTER_TYPE3; |
| 315 | rasterP->dataType = BYTE_DATA_TYPE1; |
| 316 | rasterP->dataSize = 1; |
| 317 | rasterP->scanlineStride = (*env)->GetIntField(env, jraster, g_BPRscanstrID); |
| 318 | rasterP->pixelStride = (*env)->GetIntField(env, jraster, g_BPRpixstrID); |
| 319 | rasterP->jdata = (*env)->GetObjectField(env, jraster, g_BPRdataID); |
| 320 | rasterP->type = (*env)->GetIntField(env, jraster, g_BPRtypeID); |
| 321 | rasterP->chanOffsets = NULL((void*)0); |
| 322 | if (SAFE_TO_ALLOC_2(rasterP->numDataElements, sizeof(jint))(((rasterP->numDataElements) > 0) && ((sizeof(jint )) > 0) && ((0x7fffffff / (rasterP->numDataElements )) > (sizeof(jint))))) { |
| 323 | rasterP->chanOffsets = |
| 324 | (jint *)malloc(rasterP->numDataElements * sizeof(jint)); |
| 325 | } |
| 326 | if (rasterP->chanOffsets == NULL((void*)0)) { |
| 327 | /* Out of memory */ |
| 328 | JNU_ThrowOutOfMemoryError(env, "Out of memory"); |
| 329 | return -1; |
| 330 | } |
| 331 | rasterP->chanOffsets[0] = (*env)->GetIntField(env, jraster, g_BPRdataBitOffsetID); |
| 332 | rasterP->dataType = BYTE_DATA_TYPE1; |
| 333 | } |
| 334 | else { |
| 335 | rasterP->type = sun_awt_image_IntegerComponentRaster_TYPE_CUSTOM0L; |
| 336 | rasterP->dataType = UNKNOWN_DATA_TYPE0; |
| 337 | rasterP->rasterType = UNKNOWN_RASTER_TYPE0; |
| 338 | rasterP->chanOffsets = NULL((void*)0); |
| 339 | /* Custom raster */ |
| 340 | return 0; |
| 341 | } |
| 342 | |
| 343 | // do basic validation of the raster structure |
| 344 | if (rasterP->width <= 0 || rasterP->height <= 0 || |
| 345 | rasterP->pixelStride <= 0 || rasterP->scanlineStride <= 0) |
| 346 | { |
| 347 | // invalid raster |
| 348 | return -1; |
| 349 | } |
| 350 | |
| 351 | // channel (data) offsets |
| 352 | switch (rasterP->rasterType) { |
| 353 | case COMPONENT_RASTER_TYPE1: |
| 354 | case BANDED_RASTER_TYPE2: // note that this routine does not support banded rasters at the moment |
| 355 | // get channel (data) offsets |
| 356 | rasterP->chanOffsets = NULL((void*)0); |
| 357 | if (SAFE_TO_ALLOC_2(rasterP->numDataElements, sizeof(jint))(((rasterP->numDataElements) > 0) && ((sizeof(jint )) > 0) && ((0x7fffffff / (rasterP->numDataElements )) > (sizeof(jint))))) { |
| 358 | rasterP->chanOffsets = |
| 359 | (jint *)malloc(rasterP->numDataElements * sizeof(jint)); |
| 360 | } |
| 361 | if (rasterP->chanOffsets == NULL((void*)0)) { |
| 362 | /* Out of memory */ |
| 363 | JNU_ThrowOutOfMemoryError(env, "Out of memory"); |
| 364 | return -1; |
| 365 | } |
| 366 | (*env)->GetIntArrayRegion(env, joffs, 0, rasterP->numDataElements, |
| 367 | rasterP->chanOffsets); |
| 368 | if (rasterP->jdata == NULL((void*)0)) { |
| 369 | // unable to verify the raster |
| 370 | return -1; |
| 371 | } |
| 372 | // verify whether channel offsets look sane |
| 373 | if (!checkChannelOffsets(rasterP, (*env)->GetArrayLength(env, rasterP->jdata))) { |
| 374 | return -1; |
| 375 | } |
| 376 | break; |
| 377 | default: |
| 378 | ; // PACKED_RASTER_TYPE does not use the channel offsets. |
| 379 | } |
| 380 | |
| 381 | /* additional check for sppsm fields validity: make sure that |
| 382 | * size of raster samples doesn't exceed the data type capacity. |
| 383 | */ |
| 384 | if (rasterP->dataType > UNKNOWN_DATA_TYPE0 && /* data type has been recognized */ |
| 385 | rasterP->sppsm.maxBitSize > 0 && /* raster has SPP sample model */ |
| 386 | rasterP->sppsm.maxBitSize > (rasterP->dataSize * 8)) |
| 387 | { |
| 388 | JNU_ThrowInternalError(env, "Raster samples are too big"); |
| 389 | return -1; |
| 390 | } |
| 391 | |
| 392 | #if 0 |
| 393 | fprintf(stderr,"---------------------\n")__fprintf_chk (stderr, 2 - 1, "---------------------\n"); |
| 394 | fprintf(stderr,"Width : %d\n",rasterP->width)__fprintf_chk (stderr, 2 - 1, "Width : %d\n",rasterP->width ); |
| 395 | fprintf(stderr,"Height : %d\n",rasterP->height)__fprintf_chk (stderr, 2 - 1, "Height : %d\n",rasterP->height ); |
| 396 | fprintf(stderr,"X : %d\n",rasterP->x)__fprintf_chk (stderr, 2 - 1, "X : %d\n",rasterP->x); |
| 397 | fprintf(stderr,"Y : %d\n",rasterP->y)__fprintf_chk (stderr, 2 - 1, "Y : %d\n",rasterP->y); |
| 398 | fprintf(stderr,"numC : %d\n",rasterP->numDataElements)__fprintf_chk (stderr, 2 - 1, "numC : %d\n",rasterP->numDataElements ); |
| 399 | fprintf(stderr,"SS : %d\n",rasterP->scanlineStride)__fprintf_chk (stderr, 2 - 1, "SS : %d\n",rasterP->scanlineStride ); |
| 400 | fprintf(stderr,"PS : %d\n",rasterP->pixelStride)__fprintf_chk (stderr, 2 - 1, "PS : %d\n",rasterP->pixelStride ); |
| 401 | fprintf(stderr,"CO : %d\n",rasterP->chanOffsets)__fprintf_chk (stderr, 2 - 1, "CO : %d\n",rasterP->chanOffsets ); |
| 402 | fprintf(stderr,"shared?: %d\n",rasterP->dataIsShared)__fprintf_chk (stderr, 2 - 1, "shared?: %d\n",rasterP->dataIsShared ); |
| 403 | fprintf(stderr,"RasterT: %d\n",rasterP->rasterType)__fprintf_chk (stderr, 2 - 1, "RasterT: %d\n",rasterP->rasterType ); |
| 404 | fprintf(stderr,"DataT : %d\n",rasterP->dataType)__fprintf_chk (stderr, 2 - 1, "DataT : %d\n",rasterP->dataType ); |
| 405 | fprintf(stderr,"---------------------\n")__fprintf_chk (stderr, 2 - 1, "---------------------\n"); |
| 406 | #endif |
| 407 | |
| 408 | return 1; |
| 409 | } |
| 410 | |
| 411 | static int getColorModelType(JNIEnv *env, jobject jcmodel) { |
| 412 | jclass colorModelClass; |
| 413 | |
| 414 | colorModelClass = (*env)->FindClass(env, |
| 415 | "java/awt/image/IndexColorModel"); |
| 416 | CHECK_NULL_RETURN(colorModelClass, UNKNOWN_CM_TYPE)do { if ((colorModelClass) == ((void*)0)) { return (0); } } while (0); |
| 417 | |
| 418 | if ((*env)->IsInstanceOf(env, jcmodel, colorModelClass)) |
| 419 | { |
| 420 | return INDEX_CM_TYPE3; |
| 421 | } |
| 422 | |
| 423 | colorModelClass = (*env)->FindClass(env, |
| 424 | "java/awt/image/PackedColorModel"); |
| 425 | CHECK_NULL_RETURN(colorModelClass, UNKNOWN_CM_TYPE)do { if ((colorModelClass) == ((void*)0)) { return (0); } } while (0); |
| 426 | if ((*env)->IsInstanceOf(env, jcmodel, colorModelClass)) |
| 427 | { |
| 428 | colorModelClass = (*env)->FindClass(env, |
| 429 | "java/awt/image/DirectColorModel"); |
| 430 | CHECK_NULL_RETURN(colorModelClass, UNKNOWN_CM_TYPE)do { if ((colorModelClass) == ((void*)0)) { return (0); } } while (0); |
| 431 | if ((*env)->IsInstanceOf(env, jcmodel, colorModelClass)) { |
| 432 | return DIRECT_CM_TYPE2; |
| 433 | } |
| 434 | else { |
| 435 | return PACKED_CM_TYPE4; |
| 436 | } |
| 437 | } |
| 438 | colorModelClass = (*env)->FindClass(env, |
| 439 | "java/awt/image/ComponentColorModel"); |
| 440 | CHECK_NULL_RETURN(colorModelClass, UNKNOWN_CM_TYPE)do { if ((colorModelClass) == ((void*)0)) { return (0); } } while (0); |
| 441 | if ((*env)->IsInstanceOf(env, jcmodel, colorModelClass)) |
| 442 | { |
| 443 | return COMPONENT_CM_TYPE1; |
| 444 | } |
| 445 | |
| 446 | return UNKNOWN_CM_TYPE0; |
| 447 | } |
| 448 | |
| 449 | int awt_parseColorModel (JNIEnv *env, jobject jcmodel, int imageType, |
| 450 | ColorModelS_t *cmP) { |
| 451 | /*jmethodID jID; */ |
| 452 | jobject jnBits; |
| 453 | jsize nBitsLength; |
| 454 | |
| 455 | int i; |
| 456 | static jobject s_jdefCM = NULL((void*)0); |
| 457 | |
| 458 | if (JNU_IsNull(env, jcmodel)((jcmodel) == ((void*)0))) { |
| 459 | JNU_ThrowNullPointerException(env, "null ColorModel object"); |
| 460 | return -1; |
| 461 | } |
| 462 | |
| 463 | cmP->jcmodel = jcmodel; |
| 464 | |
| 465 | cmP->jcspace = (*env)->GetObjectField(env, jcmodel, g_CMcspaceID); |
| 466 | |
| 467 | cmP->numComponents = (*env)->GetIntField(env, jcmodel, |
| 468 | g_CMnumComponentsID); |
| 469 | cmP->supportsAlpha = (*env)->GetBooleanField(env, jcmodel, |
| 470 | g_CMsuppAlphaID); |
| 471 | cmP->isAlphaPre = (*env)->GetBooleanField(env,jcmodel, |
| 472 | g_CMisAlphaPreID); |
| 473 | cmP->transparency = (*env)->GetIntField(env, jcmodel, |
| 474 | g_CMtransparencyID); |
| 475 | |
| 476 | jnBits = (*env)->GetObjectField(env, jcmodel, g_CMnBitsID); |
| 477 | if (jnBits == NULL((void*)0)) { |
| 478 | JNU_ThrowNullPointerException(env, "null nBits structure in CModel"); |
| 479 | return -1; |
| 480 | } |
| 481 | |
| 482 | nBitsLength = (*env)->GetArrayLength(env, jnBits); |
| 483 | if (nBitsLength != cmP->numComponents) { |
| 484 | // invalid number of components? |
| 485 | return -1; |
| 486 | } |
| 487 | |
| 488 | cmP->nBits = NULL((void*)0); |
| 489 | if (SAFE_TO_ALLOC_2(cmP->numComponents, sizeof(jint))(((cmP->numComponents) > 0) && ((sizeof(jint)) > 0) && ((0x7fffffff / (cmP->numComponents)) > ( sizeof(jint))))) { |
| 490 | cmP->nBits = (jint *)malloc(cmP->numComponents * sizeof(jint)); |
| 491 | } |
| 492 | |
| 493 | if (cmP->nBits == NULL((void*)0)){ |
| 494 | JNU_ThrowOutOfMemoryError(env, "Out of memory"); |
| 495 | return -1; |
| 496 | } |
| 497 | (*env)->GetIntArrayRegion(env, jnBits, 0, cmP->numComponents, |
| 498 | cmP->nBits); |
| 499 | cmP->maxNbits = 0; |
| 500 | for (i=0; i < cmP->numComponents; i++) { |
| 501 | if (cmP->maxNbits < cmP->nBits[i]) { |
| 502 | cmP->maxNbits = cmP->nBits[i]; |
| 503 | } |
| 504 | } |
| 505 | |
| 506 | cmP->is_sRGB = (*env)->GetBooleanField(env, cmP->jcmodel, g_CMis_sRGBID); |
| 507 | |
| 508 | cmP->csType = (*env)->GetIntField(env, cmP->jcmodel, g_CMcsTypeID); |
| 509 | |
| 510 | cmP->cmType = getColorModelType(env, jcmodel); |
| 511 | JNU_CHECK_EXCEPTION_RETURN(env, -1)do { if ((*env)->ExceptionCheck(env)) { return (-1); } } while (0); |
| 512 | |
| 513 | cmP->isDefaultCM = FALSE(0); |
| 514 | cmP->isDefaultCompatCM = FALSE(0); |
| 515 | |
| 516 | /* look for standard cases */ |
| 517 | if (imageType == java_awt_image_BufferedImage_TYPE_INT_ARGB2L) { |
| 518 | cmP->isDefaultCM = TRUE(1); |
| 519 | cmP->isDefaultCompatCM = TRUE(1); |
| 520 | } else if (imageType == java_awt_image_BufferedImage_TYPE_INT_ARGB_PRE3L || |
| 521 | imageType == java_awt_image_BufferedImage_TYPE_INT_RGB1L || |
| 522 | imageType == java_awt_image_BufferedImage_TYPE_INT_BGR4L || |
| 523 | imageType == java_awt_image_BufferedImage_TYPE_4BYTE_ABGR6L || |
| 524 | imageType == java_awt_image_BufferedImage_TYPE_4BYTE_ABGR_PRE7L) |
| 525 | { |
| 526 | cmP->isDefaultCompatCM = TRUE(1); |
| 527 | } |
| 528 | else { |
| 529 | /* Figure out if this is the default CM */ |
| 530 | if (s_jdefCM == NULL((void*)0)) { |
| 531 | jobject defCM; |
| 532 | jclass jcm = (*env)->FindClass(env, "java/awt/image/ColorModel"); |
| 533 | CHECK_NULL_RETURN(jcm, -1)do { if ((jcm) == ((void*)0)) { return (-1); } } while (0); |
| 534 | defCM = (*env)->CallStaticObjectMethod(env, jcm, |
| 535 | g_CMgetRGBdefaultMID, NULL((void*)0)); |
| 536 | s_jdefCM = (*env)->NewGlobalRef(env, defCM); |
| 537 | if (defCM == NULL((void*)0) || s_jdefCM == NULL((void*)0)) { |
| 538 | (*env)->ExceptionClear(env); |
| 539 | JNU_ThrowNullPointerException(env, "Unable to find default CM"); |
| 540 | return -1; |
| 541 | } |
| 542 | } |
| 543 | cmP->isDefaultCM = ((*env)->IsSameObject(env, s_jdefCM, jcmodel)); |
| 544 | cmP->isDefaultCompatCM = cmP->isDefaultCM; |
| 545 | } |
| 546 | |
| 547 | /* check whether image attributes correspond to default cm */ |
| 548 | if (cmP->isDefaultCompatCM) { |
| 549 | if (cmP->csType != java_awt_color_ColorSpace_TYPE_RGB5L || |
| 550 | !cmP->is_sRGB) |
| 551 | { |
| 552 | return -1; |
| 553 | } |
| 554 | |
| 555 | for (i = 0; i < cmP->numComponents; i++) { |
| 556 | if (cmP->nBits[i] != 8) { |
| 557 | return -1; |
| 558 | } |
| 559 | } |
| 560 | } |
| 561 | |
| 562 | /* Get index color model attributes */ |
| 563 | if (imageType == java_awt_image_BufferedImage_TYPE_BYTE_INDEXED13L || |
| 564 | cmP->cmType == INDEX_CM_TYPE3) |
| 565 | { |
| 566 | cmP->transIdx = (*env)->GetIntField(env, jcmodel, g_ICMtransIdxID); |
| 567 | cmP->mapSize = (*env)->GetIntField(env, jcmodel, g_ICMmapSizeID); |
| 568 | cmP->jrgb = (*env)->GetObjectField(env, jcmodel, g_ICMrgbID); |
| 569 | if (cmP->transIdx == -1) { |
| 570 | /* Need to find the transparent index */ |
| 571 | int *rgb = (int *) (*env)->GetPrimitiveArrayCritical(env, |
| 572 | cmP->jrgb, |
| 573 | NULL((void*)0)); |
| 574 | if (rgb == NULL((void*)0)) { |
| 575 | return -1; |
| 576 | } |
| 577 | for (i=0; i < cmP->mapSize; i++) { |
| 578 | if ((rgb[i]&0xff000000) == 0) { |
| 579 | cmP->transIdx = i; |
| 580 | break; |
| 581 | } |
| 582 | } |
| 583 | (*env)->ReleasePrimitiveArrayCritical(env, cmP->jrgb, rgb, |
| 584 | JNI_ABORT2); |
| 585 | if (cmP->transIdx == -1) { |
| 586 | /* Now what? No transparent pixel... */ |
| 587 | cmP->transIdx = 0; |
| 588 | } |
| 589 | } |
| 590 | } |
| 591 | |
| 592 | return 1; |
| 593 | } |
| 594 | |
| 595 | void awt_freeParsedRaster(RasterS_t *rasterP, int freeRasterP) { |
| 596 | if (rasterP->chanOffsets) { |
| 597 | free((void *) rasterP->chanOffsets); |
| 598 | } |
| 599 | |
| 600 | if (freeRasterP) { |
| 601 | free((void *) rasterP); |
| 602 | } |
| 603 | } |
| 604 | |
| 605 | void awt_freeParsedImage(BufImageS_t *imageP, int freeImageP) { |
| 606 | if (imageP->hints.colorOrder) { |
| 607 | free ((void *) imageP->hints.colorOrder); |
| 608 | } |
| 609 | |
| 610 | if (imageP->cmodel.nBits) { |
| 611 | free ((void *) imageP->cmodel.nBits); |
| 612 | } |
| 613 | |
| 614 | /* Free the raster */ |
| 615 | awt_freeParsedRaster(&imageP->raster, FALSE(0)); |
| 616 | |
| 617 | if (freeImageP) { |
| 618 | free((void *) imageP); |
| 619 | } |
| 620 | } |
| 621 | |
| 622 | static void |
| 623 | awt_getBIColorOrder(int type, int *colorOrder) { |
| 624 | switch(type) { |
| 625 | case java_awt_image_BufferedImage_TYPE_INT_ARGB2L: |
| 626 | case java_awt_image_BufferedImage_TYPE_INT_ARGB_PRE3L: |
| 627 | #ifdef _LITTLE_ENDIAN1 |
| 628 | colorOrder[0] = 2; |
| 629 | colorOrder[1] = 1; |
| 630 | colorOrder[2] = 0; |
| 631 | colorOrder[3] = 3; |
| 632 | #else |
| 633 | colorOrder[0] = 1; |
| 634 | colorOrder[1] = 2; |
| 635 | colorOrder[2] = 3; |
| 636 | colorOrder[3] = 0; |
| 637 | #endif |
| 638 | break; |
| 639 | case java_awt_image_BufferedImage_TYPE_INT_BGR4L: |
| 640 | #ifdef _LITTLE_ENDIAN1 |
| 641 | colorOrder[0] = 0; |
| 642 | colorOrder[1] = 1; |
| 643 | colorOrder[2] = 2; |
| 644 | #else |
| 645 | colorOrder[0] = 3; |
| 646 | colorOrder[1] = 2; |
| 647 | colorOrder[2] = 1; |
| 648 | #endif |
| 649 | break; |
| 650 | case java_awt_image_BufferedImage_TYPE_INT_RGB1L: |
| 651 | #ifdef _LITTLE_ENDIAN1 |
| 652 | colorOrder[0] = 2; |
| 653 | colorOrder[1] = 1; |
| 654 | colorOrder[2] = 0; |
| 655 | #else |
| 656 | colorOrder[0] = 1; |
| 657 | colorOrder[1] = 2; |
| 658 | colorOrder[2] = 3; |
| 659 | #endif |
| 660 | break; |
| 661 | case java_awt_image_BufferedImage_TYPE_4BYTE_ABGR6L: |
| 662 | case java_awt_image_BufferedImage_TYPE_4BYTE_ABGR_PRE7L: |
| 663 | colorOrder[0] = 3; |
| 664 | colorOrder[1] = 2; |
| 665 | colorOrder[2] = 1; |
| 666 | colorOrder[3] = 0; |
| 667 | break; |
| 668 | case java_awt_image_BufferedImage_TYPE_3BYTE_BGR5L: |
| 669 | colorOrder[0] = 2; |
| 670 | colorOrder[1] = 1; |
| 671 | colorOrder[2] = 0; |
| 672 | break; |
| 673 | case java_awt_image_BufferedImage_TYPE_USHORT_565_RGB8L: |
| 674 | case java_awt_image_BufferedImage_TYPE_USHORT_555_RGB9L: |
| 675 | colorOrder[0] = 0; |
| 676 | colorOrder[1] = 1; |
| 677 | colorOrder[2] = 2; |
| 678 | break; |
| 679 | case java_awt_image_BufferedImage_TYPE_BYTE_GRAY10L: |
| 680 | case java_awt_image_BufferedImage_TYPE_USHORT_GRAY11L: |
| 681 | case java_awt_image_BufferedImage_TYPE_BYTE_BINARY12L: |
| 682 | case java_awt_image_BufferedImage_TYPE_BYTE_INDEXED13L: |
| 683 | colorOrder[0] = 0; |
| 684 | break; |
| 685 | } |
| 686 | } |
| 687 | |
| 688 | static int |
| 689 | setHints(JNIEnv *env, BufImageS_t *imageP) { |
| 690 | HintS_t *hintP = &imageP->hints; |
| 691 | RasterS_t *rasterP = &imageP->raster; |
| 692 | ColorModelS_t *cmodelP = &imageP->cmodel; |
| 693 | int imageType = imageP->imageType; |
| 694 | |
| 695 | // check whether raster and color model are compatible |
| 696 | if (cmodelP->numComponents != rasterP->numBands) { |
| 697 | if (cmodelP->cmType != INDEX_CM_TYPE3) { |
| 698 | return -1; |
| 699 | } |
| 700 | } |
| 701 | |
| 702 | hintP->numChans = imageP->cmodel.numComponents; |
| 703 | hintP->colorOrder = NULL((void*)0); |
| 704 | if (SAFE_TO_ALLOC_2(hintP->numChans, sizeof(int))(((hintP->numChans) > 0) && ((sizeof(int)) > 0) && ((0x7fffffff / (hintP->numChans)) > (sizeof (int))))) { |
| 705 | hintP->colorOrder = (int *)malloc(hintP->numChans * sizeof(int)); |
| 706 | } |
| 707 | if (hintP->colorOrder == NULL((void*)0)) { |
| 708 | JNU_ThrowOutOfMemoryError(env, "Out of memory"); |
| 709 | return -1; |
| 710 | } |
| 711 | if (imageType != java_awt_image_BufferedImage_TYPE_CUSTOM0L) { |
| 712 | awt_getBIColorOrder(imageType, hintP->colorOrder); |
| 713 | } |
| 714 | if (imageType == java_awt_image_BufferedImage_TYPE_INT_ARGB2L || |
| 715 | imageType == java_awt_image_BufferedImage_TYPE_INT_ARGB_PRE3L || |
| 716 | imageType == java_awt_image_BufferedImage_TYPE_INT_RGB1L) |
| 717 | { |
| 718 | hintP->channelOffset = rasterP->chanOffsets[0]; |
| 719 | /* These hints are #bytes */ |
| 720 | hintP->dataOffset = hintP->channelOffset*rasterP->dataSize; |
| 721 | hintP->sStride = rasterP->scanlineStride*rasterP->dataSize; |
| 722 | hintP->pStride = rasterP->pixelStride*rasterP->dataSize; |
| 723 | hintP->packing = BYTE_INTERLEAVED(0x1 | 0x10); |
| 724 | } else if (imageType ==java_awt_image_BufferedImage_TYPE_4BYTE_ABGR6L || |
| 725 | imageType==java_awt_image_BufferedImage_TYPE_4BYTE_ABGR_PRE7L|| |
| 726 | imageType == java_awt_image_BufferedImage_TYPE_3BYTE_BGR5L || |
| 727 | imageType == java_awt_image_BufferedImage_TYPE_INT_BGR4L) |
| 728 | { |
| 729 | if (imageType == java_awt_image_BufferedImage_TYPE_INT_BGR4L) { |
| 730 | hintP->channelOffset = rasterP->chanOffsets[0]; |
| 731 | } |
| 732 | else { |
| 733 | hintP->channelOffset = rasterP->chanOffsets[hintP->numChans-1]; |
| 734 | } |
| 735 | hintP->dataOffset = hintP->channelOffset*rasterP->dataSize; |
| 736 | hintP->sStride = rasterP->scanlineStride*rasterP->dataSize; |
| 737 | hintP->pStride = rasterP->pixelStride*rasterP->dataSize; |
| 738 | hintP->packing = BYTE_INTERLEAVED(0x1 | 0x10); |
| 739 | } else if (imageType==java_awt_image_BufferedImage_TYPE_USHORT_565_RGB8L || |
| 740 | imageType==java_awt_image_BufferedImage_TYPE_USHORT_555_RGB9L) { |
| 741 | hintP->needToExpand = TRUE(1); |
| 742 | hintP->expandToNbits = 8; |
| 743 | hintP->packing = PACKED_SHORT_INTER(0x4 | 0x10); |
| 744 | } else if (cmodelP->cmType == INDEX_CM_TYPE3) { |
| 745 | int i; |
| 746 | hintP->numChans = 1; |
| 747 | hintP->channelOffset = rasterP->chanOffsets[0]; |
| 748 | hintP->dataOffset = hintP->channelOffset*rasterP->dataSize; |
| 749 | hintP->sStride = rasterP->scanlineStride*rasterP->dataSize; |
| 750 | hintP->pStride = rasterP->pixelStride*rasterP->dataSize; |
| 751 | switch(rasterP->dataType ) { |
| 752 | case BYTE_DATA_TYPE1: |
| 753 | if (rasterP->rasterType == PACKED_RASTER_TYPE3) { |
| 754 | hintP->needToExpand = TRUE(1); |
| 755 | hintP->expandToNbits = 8; |
| 756 | hintP->packing = BYTE_PACKED_BAND(0x1 | 0x40); |
| 757 | } |
| 758 | else { |
| 759 | hintP->packing = BYTE_SINGLE_BAND(0x1 | 0x30); |
| 760 | } |
| 761 | break; |
| 762 | case SHORT_DATA_TYPE2: |
| 763 | hintP->packing = SHORT_SINGLE_BAND(0x2 | 0x30); |
| 764 | break; |
| 765 | case INT_DATA_TYPE3: |
| 766 | default: |
| 767 | hintP->packing = UNKNOWN_PACKING0; |
| 768 | break; |
| 769 | } |
| 770 | for (i=0; i < hintP->numChans; i++) { |
| 771 | hintP->colorOrder[i] = i; |
| 772 | } |
| 773 | } |
| 774 | else if (cmodelP->cmType == COMPONENT_CM_TYPE1) { |
| 775 | /* Figure out if it is interleaved */ |
| 776 | int bits=1; |
| 777 | int i; |
| 778 | int low = rasterP->chanOffsets[0]; |
| 779 | int diff; |
| 780 | int banded = 0; |
| 781 | for (i=1; i < hintP->numChans; i++) { |
| 782 | if (rasterP->chanOffsets[i] < low) { |
| 783 | low = rasterP->chanOffsets[i]; |
| 784 | } |
| 785 | } |
| 786 | for (i=1; i < hintP->numChans; i++) { |
| 787 | diff = rasterP->chanOffsets[i]-low; |
| 788 | if (diff < hintP->numChans) { |
| 789 | if (bits & (1<<diff)) { |
| 790 | /* Overlapping samples */ |
| 791 | /* Could just copy */ |
| 792 | return -1; |
| 793 | } |
| 794 | bits |= (1<<diff); |
| 795 | } |
| 796 | else if (diff >= rasterP->width) { |
| 797 | banded = 1; |
| 798 | } |
| 799 | /* Ignore the case if bands are overlapping */ |
| 800 | } |
| 801 | hintP->channelOffset = low; |
| 802 | hintP->dataOffset = low*rasterP->dataSize; |
| 803 | hintP->sStride = rasterP->scanlineStride*rasterP->dataSize; |
| 804 | hintP->pStride = rasterP->pixelStride*rasterP->dataSize; |
| 805 | switch(rasterP->dataType) { |
| 806 | case BYTE_DATA_TYPE1: |
| 807 | hintP->packing = BYTE_COMPONENTS0x1; |
| 808 | break; |
| 809 | case SHORT_DATA_TYPE2: |
| 810 | hintP->packing = SHORT_COMPONENTS0x2; |
| 811 | break; |
| 812 | default: |
| 813 | /* Don't handle any other case */ |
| 814 | return -1; |
| 815 | } |
| 816 | if (bits == ((1<<hintP->numChans)-1)) { |
| 817 | hintP->packing |= INTERLEAVED0x10; |
| 818 | for (i=0; i < hintP->numChans; i++) { |
| 819 | hintP->colorOrder[rasterP->chanOffsets[i]-low] = i; |
| 820 | } |
| 821 | } |
| 822 | else if (banded == 1) { |
| 823 | int bandSize = rasterP->width*rasterP->height; |
| 824 | hintP->packing |= BANDED0x20; |
| 825 | for (i=0; i < hintP->numChans; i++) { |
| 826 | /* REMIND: Not necessarily correct */ |
| 827 | hintP->colorOrder[(rasterP->chanOffsets[i]-low)%bandSize] = i; |
| 828 | } |
| 829 | } |
| 830 | else { |
| 831 | return -1; |
| 832 | } |
| 833 | } |
| 834 | else if (cmodelP->cmType == DIRECT_CM_TYPE2 || cmodelP->cmType == PACKED_CM_TYPE4) { |
| 835 | int i; |
| 836 | |
| 837 | /* do some sanity check first: make sure that |
| 838 | * - sample model is SinglePixelPackedSampleModel |
| 839 | * - number of bands in the raster corresponds to the number |
| 840 | * of color components in the color model |
| 841 | */ |
| 842 | if (!rasterP->sppsm.isUsed || |
| 843 | rasterP->numBands != cmodelP->numComponents) |
| 844 | { |
| 845 | /* given raster is not compatible with the color model, |
| 846 | * so the operation has to be aborted. |
| 847 | */ |
| 848 | return -1; |
| 849 | } |
| 850 | |
| 851 | if (cmodelP->maxNbits > 8) { |
| 852 | hintP->needToExpand = TRUE(1); |
| 853 | hintP->expandToNbits = cmodelP->maxNbits; |
| 854 | } |
| 855 | else { |
| 856 | for (i=0; i < rasterP->numBands; i++) { |
| 857 | if (!(rasterP->sppsm.offsets[i] % 8)) { |
| 858 | hintP->needToExpand = TRUE(1); |
| 859 | hintP->expandToNbits = 8; |
| 860 | break; |
| 861 | } |
| 862 | else { |
| 863 | hintP->colorOrder[i] = rasterP->sppsm.offsets[i]>>3; |
| 864 | } |
| 865 | } |
| 866 | } |
| 867 | |
| 868 | hintP->channelOffset = rasterP->chanOffsets[0]; |
| 869 | hintP->dataOffset = hintP->channelOffset*rasterP->dataSize; |
| 870 | hintP->sStride = rasterP->scanlineStride*rasterP->dataSize; |
| 871 | hintP->pStride = rasterP->pixelStride*rasterP->dataSize; |
| 872 | if (hintP->needToExpand) { |
| 873 | switch(rasterP->dataType) { |
| 874 | case BYTE_DATA_TYPE1: |
| 875 | hintP->packing = PACKED_BYTE_INTER(0x5 | 0x10); |
| 876 | break; |
| 877 | case SHORT_DATA_TYPE2: |
| 878 | hintP->packing = PACKED_SHORT_INTER(0x4 | 0x10); |
| 879 | break; |
| 880 | case INT_DATA_TYPE3: |
| 881 | hintP->packing = PACKED_INT_INTER(0x3 | 0x10); |
| 882 | break; |
| 883 | default: |
| 884 | /* Don't know what it is */ |
| 885 | return -1; |
| 886 | } |
| 887 | } |
| 888 | else { |
| 889 | hintP->packing = BYTE_INTERLEAVED(0x1 | 0x10); |
| 890 | |
| 891 | } |
| 892 | } |
| 893 | else { |
| 894 | /* REMIND: Need to handle more cases */ |
| 895 | return -1; |
| 896 | } |
| 897 | |
| 898 | return 1; |
| 899 | } |
| 900 | |
| 901 | #define MAX_TO_GRAB(10240) (10240) |
| 902 | |
| 903 | typedef union { |
| 904 | void *pv; |
| 905 | unsigned char *pb; |
| 906 | unsigned short *ps; |
| 907 | } PixelData_t; |
| 908 | |
| 909 | |
| 910 | int awt_getPixels(JNIEnv *env, RasterS_t *rasterP, void *bufferP) { |
| 911 | const int w = rasterP->width; |
| 912 | const int h = rasterP->height; |
| 913 | const int numBands = rasterP->numBands; |
| 914 | int y; |
| 915 | int i; |
| 916 | int maxLines; |
| 917 | jobject jsm; |
| 918 | int off = 0; |
| 919 | jarray jdata = NULL((void*)0); |
| 920 | jobject jdatabuffer; |
| 921 | int *dataP; |
| 922 | int maxSamples; |
| 923 | PixelData_t p; |
| 924 | |
| 925 | if (bufferP == NULL((void*)0)) { |
| 926 | return -1; |
| 927 | } |
| 928 | |
| 929 | if (rasterP->dataType != BYTE_DATA_TYPE1 && |
| 930 | rasterP->dataType != SHORT_DATA_TYPE2) |
| 931 | { |
| 932 | return -1; |
| 933 | } |
| 934 | |
| 935 | p.pv = bufferP; |
| 936 | |
| 937 | if (!SAFE_TO_MULT(w, numBands)(((w) > 0) && ((numBands) >= 0) && ((0x7fffffff / (w)) > (numBands)))) { |
| 938 | return -1; |
| 939 | } |
| 940 | maxSamples = w * numBands; |
| 941 | |
| 942 | maxLines = maxSamples > MAX_TO_GRAB(10240) ? 1 : (MAX_TO_GRAB(10240) / maxSamples); |
| 943 | if (maxLines > h) { |
| 944 | maxLines = h; |
| 945 | } |
| 946 | |
| 947 | if (!SAFE_TO_MULT(maxSamples, maxLines)(((maxSamples) > 0) && ((maxLines) >= 0) && ((0x7fffffff / (maxSamples)) > (maxLines)))) { |
| 948 | return -1; |
| 949 | } |
| 950 | |
| 951 | maxSamples *= maxLines; |
| 952 | |
| 953 | jsm = (*env)->GetObjectField(env, rasterP->jraster, g_RasterSampleModelID); |
| 954 | jdatabuffer = (*env)->GetObjectField(env, rasterP->jraster, |
| 955 | g_RasterDataBufferID); |
| 956 | |
| 957 | jdata = (*env)->NewIntArray(env, maxSamples); |
| 958 | if (JNU_IsNull(env, jdata)((jdata) == ((void*)0))) { |
| 959 | (*env)->ExceptionClear(env); |
| 960 | JNU_ThrowOutOfMemoryError(env, "Out of Memory"); |
| 961 | return -1; |
| 962 | } |
| 963 | |
| 964 | for (y = 0; y < h; y += maxLines) { |
| 965 | if (y + maxLines > h) { |
| 966 | maxLines = h - y; |
| 967 | maxSamples = w * numBands * maxLines; |
| 968 | } |
| 969 | |
| 970 | (*env)->CallObjectMethod(env, jsm, g_SMGetPixelsMID, |
| 971 | 0, y, w, |
| 972 | maxLines, jdata, jdatabuffer); |
| 973 | |
| 974 | if ((*env)->ExceptionOccurred(env)) { |
| 975 | (*env)->DeleteLocalRef(env, jdata); |
| 976 | return -1; |
| 977 | } |
| 978 | |
| 979 | dataP = (int *) (*env)->GetPrimitiveArrayCritical(env, jdata, |
| 980 | NULL((void*)0)); |
| 981 | if (dataP == NULL((void*)0)) { |
| 982 | (*env)->DeleteLocalRef(env, jdata); |
| 983 | return -1; |
| 984 | } |
| 985 | |
| 986 | switch (rasterP->dataType) { |
| 987 | case BYTE_DATA_TYPE1: |
| 988 | for (i = 0; i < maxSamples; i ++) { |
| 989 | p.pb[off++] = (unsigned char) dataP[i]; |
| 990 | } |
| 991 | break; |
| 992 | case SHORT_DATA_TYPE2: |
| 993 | for (i = 0; i < maxSamples; i ++) { |
| 994 | p.ps[off++] = (unsigned short) dataP[i]; |
| 995 | } |
| 996 | break; |
| 997 | } |
| 998 | |
| 999 | (*env)->ReleasePrimitiveArrayCritical(env, jdata, dataP, |
| 1000 | JNI_ABORT2); |
| 1001 | } |
| 1002 | (*env)->DeleteLocalRef(env, jdata); |
| 1003 | |
| 1004 | return 1; |
| 1005 | } |
| 1006 | |
| 1007 | int awt_setPixels(JNIEnv *env, RasterS_t *rasterP, void *bufferP) { |
| 1008 | const int w = rasterP->width; |
| 1009 | const int h = rasterP->height; |
| 1010 | const int numBands = rasterP->numBands; |
| 1011 | |
| 1012 | int y; |
| 1013 | int i; |
| 1014 | int maxLines; |
| 1015 | jobject jsm; |
| 1016 | int off = 0; |
| 1017 | jarray jdata = NULL((void*)0); |
| 1018 | jobject jdatabuffer; |
| 1019 | int *dataP; |
| 1020 | int maxSamples; |
| 1021 | PixelData_t p; |
| 1022 | |
| 1023 | if (bufferP == NULL((void*)0)) { |
| 1024 | return -1; |
| 1025 | } |
| 1026 | |
| 1027 | if (rasterP->dataType != BYTE_DATA_TYPE1 && |
| 1028 | rasterP->dataType != SHORT_DATA_TYPE2) |
| 1029 | { |
| 1030 | return -1; |
| 1031 | } |
| 1032 | |
| 1033 | p.pv = bufferP; |
| 1034 | |
| 1035 | if (!SAFE_TO_MULT(w, numBands)(((w) > 0) && ((numBands) >= 0) && ((0x7fffffff / (w)) > (numBands)))) { |
| 1036 | return -1; |
| 1037 | } |
| 1038 | maxSamples = w * numBands; |
| 1039 | |
| 1040 | maxLines = maxSamples > MAX_TO_GRAB(10240) ? 1 : (MAX_TO_GRAB(10240) / maxSamples); |
| 1041 | if (maxLines > h) { |
| 1042 | maxLines = h; |
| 1043 | } |
| 1044 | |
| 1045 | if (!SAFE_TO_MULT(maxSamples, maxLines)(((maxSamples) > 0) && ((maxLines) >= 0) && ((0x7fffffff / (maxSamples)) > (maxLines)))) { |
| 1046 | return -1; |
| 1047 | } |
| 1048 | |
| 1049 | maxSamples *= maxLines; |
| 1050 | |
| 1051 | jsm = (*env)->GetObjectField(env, rasterP->jraster, g_RasterSampleModelID); |
| 1052 | jdatabuffer = (*env)->GetObjectField(env, rasterP->jraster, |
| 1053 | g_RasterDataBufferID); |
| 1054 | |
| 1055 | jdata = (*env)->NewIntArray(env, maxSamples); |
| 1056 | if (JNU_IsNull(env, jdata)((jdata) == ((void*)0))) { |
| 1057 | (*env)->ExceptionClear(env); |
| 1058 | JNU_ThrowOutOfMemoryError(env, "Out of Memory"); |
| 1059 | return -1; |
| 1060 | } |
| 1061 | |
| 1062 | for (y = 0; y < h; y += maxLines) { |
| 1063 | if (y + maxLines > h) { |
| 1064 | maxLines = h - y; |
| 1065 | maxSamples = w * numBands * maxLines; |
| 1066 | } |
| 1067 | dataP = (int *) (*env)->GetPrimitiveArrayCritical(env, jdata, |
| 1068 | NULL((void*)0)); |
| 1069 | if (dataP == NULL((void*)0)) { |
| 1070 | (*env)->DeleteLocalRef(env, jdata); |
| 1071 | return -1; |
| 1072 | } |
| 1073 | |
| 1074 | switch (rasterP->dataType) { |
| 1075 | case BYTE_DATA_TYPE1: |
| 1076 | for (i = 0; i < maxSamples; i ++) { |
| 1077 | dataP[i] = p.pb[off++]; |
| 1078 | } |
| 1079 | break; |
| 1080 | case SHORT_DATA_TYPE2: |
| 1081 | for (i = 0; i < maxSamples; i ++) { |
| 1082 | dataP[i] = p.ps[off++]; |
| 1083 | } |
| 1084 | break; |
| 1085 | } |
| 1086 | |
| 1087 | (*env)->ReleasePrimitiveArrayCritical(env, jdata, dataP, |
| 1088 | JNI_ABORT2); |
| 1089 | |
| 1090 | (*env)->CallVoidMethod(env, jsm, g_SMSetPixelsMID, |
| 1091 | 0, y, w, |
| 1092 | maxLines, jdata, jdatabuffer); |
| 1093 | |
| 1094 | if ((*env)->ExceptionOccurred(env)) { |
| 1095 | (*env)->DeleteLocalRef(env, jdata); |
| 1096 | return -1; |
| 1097 | } |
| 1098 | } |
| 1099 | |
| 1100 | (*env)->DeleteLocalRef(env, jdata); |
| 1101 | |
| 1102 | return 1; |
| 1103 | } |