| OLD | NEW |
|---|
| 1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 PDFium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| 6 | 6 |
| 7 #include <limits.h> | 7 #include <limits.h> |
| 8 | 8 |
| 9 #include "../../../include/fxcrt/fx_coordinates.h" | 9 #include "../../../include/fxcrt/fx_coordinates.h" |
| 10 #include "../../../include/fxcrt/fx_safe_types.h" | 10 #include "../../../include/fxcrt/fx_safe_types.h" |
| (...skipping 111 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 122 JBig2ComposeOp op, | 122 JBig2ComposeOp op, |
| 123 const FX_RECT* pSrcRect) { | 123 const FX_RECT* pSrcRect) { |
| 124 if (!m_pData) { | 124 if (!m_pData) { |
| 125 return FALSE; | 125 return FALSE; |
| 126 } | 126 } |
| 127 if (NULL == pSrcRect || *pSrcRect == FX_RECT(0, 0, m_nWidth, m_nHeight)) { | 127 if (NULL == pSrcRect || *pSrcRect == FX_RECT(0, 0, m_nWidth, m_nHeight)) { |
| 128 return composeTo_opt2(pDst, x, y, op); | 128 return composeTo_opt2(pDst, x, y, op); |
| 129 } | 129 } |
| 130 return composeTo_opt2(pDst, x, y, op, pSrcRect); | 130 return composeTo_opt2(pDst, x, y, op, pSrcRect); |
| 131 } | 131 } |
| 132 FX_BOOL CJBig2_Image::composeTo_unopt(CJBig2_Image* pDst, | |
| 133 int32_t x, | |
| 134 int32_t y, | |
| 135 JBig2ComposeOp op) { | |
| 136 int32_t w, h, dx, dy; | |
| 137 int32_t i, j; | |
| 138 w = m_nWidth; | |
| 139 h = m_nHeight; | |
| 140 dx = dy = 0; | |
| 141 if (x < 0) { | |
| 142 dx += -x; | |
| 143 w -= -x; | |
| 144 x = 0; | |
| 145 } | |
| 146 if (y < 0) { | |
| 147 dy += -y; | |
| 148 h -= -y; | |
| 149 y = 0; | |
| 150 } | |
| 151 if (x + w > pDst->m_nWidth) { | |
| 152 w = pDst->m_nWidth - x; | |
| 153 } | |
| 154 if (y + h > pDst->m_nHeight) { | |
| 155 h = pDst->m_nHeight - y; | |
| 156 } | |
| 157 switch (op) { | |
| 158 case JBIG2_COMPOSE_OR: | |
| 159 for (j = 0; j < h; j++) { | |
| 160 for (i = 0; i < w; i++) { | |
| 161 pDst->setPixel( | |
| 162 x + i, y + j, | |
| 163 (getPixel(i + dx, j + dy) | pDst->getPixel(x + i, y + j)) & 1); | |
| 164 } | |
| 165 } | |
| 166 break; | |
| 167 case JBIG2_COMPOSE_AND: | |
| 168 for (j = 0; j < h; j++) { | |
| 169 for (i = 0; i < w; i++) { | |
| 170 pDst->setPixel( | |
| 171 x + i, y + j, | |
| 172 (getPixel(i + dx, j + dy) & pDst->getPixel(x + i, y + j)) & 1); | |
| 173 } | |
| 174 } | |
| 175 break; | |
| 176 case JBIG2_COMPOSE_XOR: | |
| 177 for (j = 0; j < h; j++) { | |
| 178 for (i = 0; i < w; i++) { | |
| 179 pDst->setPixel( | |
| 180 x + i, y + j, | |
| 181 (getPixel(i + dx, j + dy) ^ pDst->getPixel(x + i, y + j)) & 1); | |
| 182 } | |
| 183 } | |
| 184 break; | |
| 185 case JBIG2_COMPOSE_XNOR: | |
| 186 for (j = 0; j < h; j++) { | |
| 187 for (i = 0; i < w; i++) { | |
| 188 pDst->setPixel( | |
| 189 x + i, y + j, | |
| 190 (~(getPixel(i + dx, j + dy) ^ pDst->getPixel(x + i, y + j))) & 1); | |
| 191 } | |
| 192 } | |
| 193 break; | |
| 194 case JBIG2_COMPOSE_REPLACE: | |
| 195 for (j = 0; j < h; j++) { | |
| 196 for (i = 0; i < w; i++) { | |
| 197 pDst->setPixel(x + i, y + j, getPixel(i + dx, j + dy)); | |
| 198 } | |
| 199 } | |
| 200 break; | |
| 201 } | |
| 202 return TRUE; | |
| 203 } | |
| 204 | 132 |
| 205 FX_BOOL CJBig2_Image::composeTo_opt(CJBig2_Image* pDst, | |
| 206 int32_t x, | |
| 207 int32_t y, | |
| 208 JBig2ComposeOp op) { | |
| 209 int32_t x0, x1, y0, y1, xx, yy; | |
| 210 uint8_t *pLineSrc, *pLineDst, *srcPtr, *destPtr; | |
| 211 FX_DWORD src0, src1, src, dest, s1, s2, m1, m2, m3; | |
| 212 FX_BOOL oneByte; | |
| 213 if (!m_pData) { | |
| 214 return FALSE; | |
| 215 } | |
| 216 if (y < 0) { | |
| 217 y0 = -y; | |
| 218 } else { | |
| 219 y0 = 0; | |
| 220 } | |
| 221 if (y + m_nHeight > pDst->m_nHeight) { | |
| 222 y1 = pDst->m_nHeight - y; | |
| 223 } else { | |
| 224 y1 = m_nHeight; | |
| 225 } | |
| 226 if (y0 >= y1) { | |
| 227 return FALSE; | |
| 228 } | |
| 229 if (x >= 0) { | |
| 230 x0 = x & ~7; | |
| 231 } else { | |
| 232 x0 = 0; | |
| 233 } | |
| 234 x1 = x + m_nWidth; | |
| 235 if (x1 > pDst->m_nWidth) { | |
| 236 x1 = pDst->m_nWidth; | |
| 237 } | |
| 238 if (x0 >= x1) { | |
| 239 return FALSE; | |
| 240 } | |
| 241 s1 = x & 7; | |
| 242 s2 = 8 - s1; | |
| 243 m1 = 0xff >> (x1 & 7); | |
| 244 m2 = 0xff << (((x1 & 7) == 0) ? 0 : 8 - (x1 & 7)); | |
| 245 m3 = (0xff >> s1) & m2; | |
| 246 oneByte = x0 == ((x1 - 1) & ~7); | |
| 247 pLineDst = pDst->m_pData + y * pDst->m_nStride; | |
| 248 pLineSrc = m_pData + y0 * m_nStride; | |
| 249 if (oneByte) { | |
| 250 if (x >= 0) { | |
| 251 switch (op) { | |
| 252 case JBIG2_COMPOSE_OR: { | |
| 253 for (yy = y0; yy < y1; ++yy) { | |
| 254 destPtr = pLineDst + (x >> 3); | |
| 255 srcPtr = pLineSrc; | |
| 256 dest = *destPtr; | |
| 257 dest |= (*srcPtr >> s1) & m2; | |
| 258 *destPtr = (uint8_t)dest; | |
| 259 pLineDst += pDst->m_nStride; | |
| 260 pLineSrc += m_nStride; | |
| 261 } | |
| 262 } break; | |
| 263 case JBIG2_COMPOSE_AND: { | |
| 264 for (yy = y0; yy < y1; ++yy) { | |
| 265 destPtr = pLineDst + (x >> 3); | |
| 266 srcPtr = pLineSrc; | |
| 267 dest = *destPtr; | |
| 268 dest &= ((0xff00 | *srcPtr) >> s1) | m1; | |
| 269 *destPtr = (uint8_t)dest; | |
| 270 pLineDst += pDst->m_nStride; | |
| 271 pLineSrc += m_nStride; | |
| 272 } | |
| 273 } break; | |
| 274 case JBIG2_COMPOSE_XOR: { | |
| 275 for (yy = y0; yy < y1; ++yy) { | |
| 276 destPtr = pLineDst + (x >> 3); | |
| 277 srcPtr = pLineSrc; | |
| 278 dest = *destPtr; | |
| 279 dest ^= (*srcPtr >> s1) & m2; | |
| 280 *destPtr = (uint8_t)dest; | |
| 281 pLineDst += pDst->m_nStride; | |
| 282 pLineSrc += m_nStride; | |
| 283 } | |
| 284 } break; | |
| 285 case JBIG2_COMPOSE_XNOR: { | |
| 286 for (yy = y0; yy < y1; ++yy) { | |
| 287 destPtr = pLineDst + (x >> 3); | |
| 288 srcPtr = pLineSrc; | |
| 289 dest = *destPtr; | |
| 290 dest ^= ((*srcPtr ^ 0xff) >> s1) & m2; | |
| 291 *destPtr = (uint8_t)dest; | |
| 292 pLineDst += pDst->m_nStride; | |
| 293 pLineSrc += m_nStride; | |
| 294 } | |
| 295 } break; | |
| 296 case JBIG2_COMPOSE_REPLACE: { | |
| 297 for (yy = y0; yy < y1; ++yy) { | |
| 298 destPtr = pLineDst + (x >> 3); | |
| 299 srcPtr = pLineSrc; | |
| 300 dest = *destPtr; | |
| 301 dest = (dest & ~m3) | ((*srcPtr >> s1) & m3); | |
| 302 *destPtr = (uint8_t)dest; | |
| 303 pLineDst += pDst->m_nStride; | |
| 304 pLineSrc += m_nStride; | |
| 305 } | |
| 306 } break; | |
| 307 } | |
| 308 } else { | |
| 309 switch (op) { | |
| 310 case JBIG2_COMPOSE_OR: { | |
| 311 for (yy = y0; yy < y1; ++yy) { | |
| 312 destPtr = pLineDst; | |
| 313 srcPtr = pLineSrc + (-x >> 3); | |
| 314 dest = *destPtr; | |
| 315 dest |= *srcPtr & m2; | |
| 316 *destPtr = (uint8_t)dest; | |
| 317 pLineDst += pDst->m_nStride; | |
| 318 pLineSrc += m_nStride; | |
| 319 } | |
| 320 } break; | |
| 321 case JBIG2_COMPOSE_AND: { | |
| 322 for (yy = y0; yy < y1; ++yy) { | |
| 323 destPtr = pLineDst; | |
| 324 srcPtr = pLineSrc + (-x >> 3); | |
| 325 dest = *destPtr; | |
| 326 dest &= *srcPtr | m1; | |
| 327 *destPtr = (uint8_t)dest; | |
| 328 pLineDst += pDst->m_nStride; | |
| 329 pLineSrc += m_nStride; | |
| 330 } | |
| 331 } break; | |
| 332 case JBIG2_COMPOSE_XOR: { | |
| 333 for (yy = y0; yy < y1; ++yy) { | |
| 334 destPtr = pLineDst; | |
| 335 srcPtr = pLineSrc + (-x >> 3); | |
| 336 dest = *destPtr; | |
| 337 dest ^= *srcPtr & m2; | |
| 338 *destPtr = (uint8_t)dest; | |
| 339 pLineDst += pDst->m_nStride; | |
| 340 pLineSrc += m_nStride; | |
| 341 } | |
| 342 } break; | |
| 343 case JBIG2_COMPOSE_XNOR: { | |
| 344 for (yy = y0; yy < y1; ++yy) { | |
| 345 destPtr = pLineDst; | |
| 346 srcPtr = pLineSrc + (-x >> 3); | |
| 347 dest = *destPtr; | |
| 348 dest ^= (*srcPtr ^ 0xff) & m2; | |
| 349 *destPtr = (uint8_t)dest; | |
| 350 pLineDst += pDst->m_nStride; | |
| 351 pLineSrc += m_nStride; | |
| 352 } | |
| 353 } break; | |
| 354 case JBIG2_COMPOSE_REPLACE: { | |
| 355 for (yy = y0; yy < y1; ++yy) { | |
| 356 destPtr = pLineDst; | |
| 357 srcPtr = pLineSrc + (-x >> 3); | |
| 358 dest = *destPtr; | |
| 359 dest = (*srcPtr & m2) | (dest & m1); | |
| 360 *destPtr = (uint8_t)dest; | |
| 361 pLineDst += pDst->m_nStride; | |
| 362 pLineSrc += m_nStride; | |
| 363 } | |
| 364 } break; | |
| 365 } | |
| 366 } | |
| 367 } else { | |
| 368 if (x >= 0) { | |
| 369 switch (op) { | |
| 370 case JBIG2_COMPOSE_OR: { | |
| 371 for (yy = y0; yy < y1; ++yy) { | |
| 372 destPtr = pLineDst + (x >> 3); | |
| 373 srcPtr = pLineSrc; | |
| 374 src1 = *srcPtr++; | |
| 375 dest = *destPtr; | |
| 376 dest |= src1 >> s1; | |
| 377 *destPtr++ = (uint8_t)dest; | |
| 378 xx = x0 + 8; | |
| 379 for (; xx < x1 - 8; xx += 8) { | |
| 380 dest = *destPtr; | |
| 381 src0 = src1; | |
| 382 src1 = *srcPtr++; | |
| 383 src = (((src0 << 8) | src1) >> s1) & 0xff; | |
| 384 dest |= src; | |
| 385 *destPtr++ = (uint8_t)dest; | |
| 386 } | |
| 387 dest = *destPtr; | |
| 388 src0 = src1; | |
| 389 if (srcPtr - pLineSrc < m_nStride) { | |
| 390 src1 = *srcPtr++; | |
| 391 } else { | |
| 392 src1 = 0; | |
| 393 } | |
| 394 src = (((src0 << 8) | src1) >> s1) & 0xff; | |
| 395 dest |= src & m2; | |
| 396 *destPtr = (uint8_t)dest; | |
| 397 pLineDst += pDst->m_nStride; | |
| 398 pLineSrc += m_nStride; | |
| 399 } | |
| 400 } break; | |
| 401 case JBIG2_COMPOSE_AND: { | |
| 402 for (yy = y0; yy < y1; ++yy) { | |
| 403 destPtr = pLineDst + (x >> 3); | |
| 404 srcPtr = pLineSrc; | |
| 405 src1 = *srcPtr++; | |
| 406 dest = *destPtr; | |
| 407 dest &= (0xff00 | src1) >> s1; | |
| 408 *destPtr++ = (uint8_t)dest; | |
| 409 xx = x0 + 8; | |
| 410 for (; xx < x1 - 8; xx += 8) { | |
| 411 dest = *destPtr; | |
| 412 src0 = src1; | |
| 413 src1 = *srcPtr++; | |
| 414 src = (((src0 << 8) | src1) >> s1) & 0xff; | |
| 415 dest &= src; | |
| 416 *destPtr++ = (uint8_t)dest; | |
| 417 } | |
| 418 dest = *destPtr; | |
| 419 src0 = src1; | |
| 420 if (srcPtr - pLineSrc < m_nStride) { | |
| 421 src1 = *srcPtr++; | |
| 422 } else { | |
| 423 src1 = 0; | |
| 424 } | |
| 425 src = (((src0 << 8) | src1) >> s1) & 0xff; | |
| 426 dest &= src | m1; | |
| 427 *destPtr = (uint8_t)dest; | |
| 428 pLineDst += pDst->m_nStride; | |
| 429 pLineSrc += m_nStride; | |
| 430 } | |
| 431 } break; | |
| 432 case JBIG2_COMPOSE_XOR: { | |
| 433 for (yy = y0; yy < y1; ++yy) { | |
| 434 destPtr = pLineDst + (x >> 3); | |
| 435 srcPtr = pLineSrc; | |
| 436 src1 = *srcPtr++; | |
| 437 dest = *destPtr; | |
| 438 dest ^= src1 >> s1; | |
| 439 *destPtr++ = (uint8_t)dest; | |
| 440 xx = x0 + 8; | |
| 441 for (; xx < x1 - 8; xx += 8) { | |
| 442 dest = *destPtr; | |
| 443 src0 = src1; | |
| 444 src1 = *srcPtr++; | |
| 445 src = (((src0 << 8) | src1) >> s1) & 0xff; | |
| 446 dest ^= src; | |
| 447 *destPtr++ = (uint8_t)dest; | |
| 448 } | |
| 449 dest = *destPtr; | |
| 450 src0 = src1; | |
| 451 if (srcPtr - pLineSrc < m_nStride) { | |
| 452 src1 = *srcPtr++; | |
| 453 } else { | |
| 454 src1 = 0; | |
| 455 } | |
| 456 src = (((src0 << 8) | src1) >> s1) & 0xff; | |
| 457 dest ^= src & m2; | |
| 458 *destPtr = (uint8_t)dest; | |
| 459 pLineDst += pDst->m_nStride; | |
| 460 pLineSrc += m_nStride; | |
| 461 } | |
| 462 } break; | |
| 463 case JBIG2_COMPOSE_XNOR: { | |
| 464 for (yy = y0; yy < y1; ++yy) { | |
| 465 destPtr = pLineDst + (x >> 3); | |
| 466 srcPtr = pLineSrc; | |
| 467 src1 = *srcPtr++; | |
| 468 dest = *destPtr; | |
| 469 dest ^= (src1 ^ 0xff) >> s1; | |
| 470 *destPtr++ = (uint8_t)dest; | |
| 471 xx = x0 + 8; | |
| 472 for (; xx < x1 - 8; xx += 8) { | |
| 473 dest = *destPtr; | |
| 474 src0 = src1; | |
| 475 src1 = *srcPtr++; | |
| 476 src = (((src0 << 8) | src1) >> s1) & 0xff; | |
| 477 dest ^= src ^ 0xff; | |
| 478 *destPtr++ = (uint8_t)dest; | |
| 479 } | |
| 480 dest = *destPtr; | |
| 481 src0 = src1; | |
| 482 if (srcPtr - pLineSrc < m_nStride) { | |
| 483 src1 = *srcPtr++; | |
| 484 } else { | |
| 485 src1 = 0; | |
| 486 } | |
| 487 src = (((src0 << 8) | src1) >> s1) & 0xff; | |
| 488 dest ^= (src ^ 0xff) & m2; | |
| 489 *destPtr = (uint8_t)dest; | |
| 490 pLineDst += pDst->m_nStride; | |
| 491 pLineSrc += m_nStride; | |
| 492 } | |
| 493 } break; | |
| 494 case JBIG2_COMPOSE_REPLACE: { | |
| 495 for (yy = y0; yy < y1; ++yy) { | |
| 496 destPtr = pLineDst + (x >> 3); | |
| 497 srcPtr = pLineSrc; | |
| 498 src1 = *srcPtr++; | |
| 499 dest = *destPtr; | |
| 500 dest = (dest & (0xff << s2)) | (src1 >> s1); | |
| 501 *destPtr++ = (uint8_t)dest; | |
| 502 xx = x0 + 8; | |
| 503 for (; xx < x1 - 8; xx += 8) { | |
| 504 dest = *destPtr; | |
| 505 src0 = src1; | |
| 506 src1 = *srcPtr++; | |
| 507 src = (((src0 << 8) | src1) >> s1) & 0xff; | |
| 508 dest = src; | |
| 509 *destPtr++ = (uint8_t)dest; | |
| 510 } | |
| 511 dest = *destPtr; | |
| 512 src0 = src1; | |
| 513 if (srcPtr - pLineSrc < m_nStride) { | |
| 514 src1 = *srcPtr++; | |
| 515 } else { | |
| 516 src1 = 0; | |
| 517 } | |
| 518 src = (((src0 << 8) | src1) >> s1) & 0xff; | |
| 519 dest = (src & m2) | (dest & m1); | |
| 520 *destPtr = (uint8_t)dest; | |
| 521 pLineDst += pDst->m_nStride; | |
| 522 pLineSrc += m_nStride; | |
| 523 } | |
| 524 } break; | |
| 525 } | |
| 526 } else { | |
| 527 switch (op) { | |
| 528 case JBIG2_COMPOSE_OR: { | |
| 529 for (yy = y0; yy < y1; ++yy) { | |
| 530 destPtr = pLineDst; | |
| 531 srcPtr = pLineSrc + (-x >> 3); | |
| 532 src1 = *srcPtr++; | |
| 533 xx = x0; | |
| 534 for (; xx < x1 - 8; xx += 8) { | |
| 535 dest = *destPtr; | |
| 536 src0 = src1; | |
| 537 src1 = *srcPtr++; | |
| 538 src = (((src0 << 8) | src1) >> s1) & 0xff; | |
| 539 dest |= src; | |
| 540 *destPtr++ = (uint8_t)dest; | |
| 541 } | |
| 542 dest = *destPtr; | |
| 543 src0 = src1; | |
| 544 if (srcPtr - pLineSrc < m_nStride) { | |
| 545 src1 = *srcPtr++; | |
| 546 } else { | |
| 547 src1 = 0; | |
| 548 } | |
| 549 src = (((src0 << 8) | src1) >> s1) & 0xff; | |
| 550 dest |= src & m2; | |
| 551 *destPtr = (uint8_t)dest; | |
| 552 pLineDst += pDst->m_nStride; | |
| 553 pLineSrc += m_nStride; | |
| 554 } | |
| 555 } break; | |
| 556 case JBIG2_COMPOSE_AND: { | |
| 557 for (yy = y0; yy < y1; ++yy) { | |
| 558 destPtr = pLineDst; | |
| 559 srcPtr = pLineSrc + (-x >> 3); | |
| 560 src1 = *srcPtr++; | |
| 561 xx = x0; | |
| 562 for (; xx < x1 - 8; xx += 8) { | |
| 563 dest = *destPtr; | |
| 564 src0 = src1; | |
| 565 src1 = *srcPtr++; | |
| 566 src = (((src0 << 8) | src1) >> s1) & 0xff; | |
| 567 dest &= src; | |
| 568 *destPtr++ = (uint8_t)dest; | |
| 569 } | |
| 570 dest = *destPtr; | |
| 571 src0 = src1; | |
| 572 if (srcPtr - pLineSrc < m_nStride) { | |
| 573 src1 = *srcPtr++; | |
| 574 } else { | |
| 575 src1 = 0; | |
| 576 } | |
| 577 src = (((src0 << 8) | src1) >> s1) & 0xff; | |
| 578 dest &= src | m1; | |
| 579 *destPtr = (uint8_t)dest; | |
| 580 pLineDst += pDst->m_nStride; | |
| 581 pLineSrc += m_nStride; | |
| 582 } | |
| 583 } break; | |
| 584 case JBIG2_COMPOSE_XOR: { | |
| 585 for (yy = y0; yy < y1; ++yy) { | |
| 586 destPtr = pLineDst; | |
| 587 srcPtr = pLineSrc + (-x >> 3); | |
| 588 src1 = *srcPtr++; | |
| 589 xx = x0; | |
| 590 for (; xx < x1 - 8; xx += 8) { | |
| 591 dest = *destPtr; | |
| 592 src0 = src1; | |
| 593 src1 = *srcPtr++; | |
| 594 src = (((src0 << 8) | src1) >> s1) & 0xff; | |
| 595 dest ^= src; | |
| 596 *destPtr++ = (uint8_t)dest; | |
| 597 } | |
| 598 dest = *destPtr; | |
| 599 src0 = src1; | |
| 600 if (srcPtr - pLineSrc < m_nStride) { | |
| 601 src1 = *srcPtr++; | |
| 602 } else { | |
| 603 src1 = 0; | |
| 604 } | |
| 605 src = (((src0 << 8) | src1) >> s1) & 0xff; | |
| 606 dest ^= src & m2; | |
| 607 *destPtr = (uint8_t)dest; | |
| 608 pLineDst += pDst->m_nStride; | |
| 609 pLineSrc += m_nStride; | |
| 610 } | |
| 611 } break; | |
| 612 case JBIG2_COMPOSE_XNOR: { | |
| 613 for (yy = y0; yy < y1; ++yy) { | |
| 614 destPtr = pLineDst; | |
| 615 srcPtr = pLineSrc + (-x >> 3); | |
| 616 src1 = *srcPtr++; | |
| 617 xx = x0; | |
| 618 for (; xx < x1 - 8; xx += 8) { | |
| 619 dest = *destPtr; | |
| 620 src0 = src1; | |
| 621 src1 = *srcPtr++; | |
| 622 src = (((src0 << 8) | src1) >> s1) & 0xff; | |
| 623 dest ^= src ^ 0xff; | |
| 624 *destPtr++ = (uint8_t)dest; | |
| 625 } | |
| 626 dest = *destPtr; | |
| 627 src0 = src1; | |
| 628 if (srcPtr - pLineSrc < m_nStride) { | |
| 629 src1 = *srcPtr++; | |
| 630 } else { | |
| 631 src1 = 0; | |
| 632 } | |
| 633 src = (((src0 << 8) | src1) >> s1) & 0xff; | |
| 634 dest ^= (src ^ 0xff) & m2; | |
| 635 *destPtr = (uint8_t)dest; | |
| 636 pLineDst += pDst->m_nStride; | |
| 637 pLineSrc += m_nStride; | |
| 638 } | |
| 639 } break; | |
| 640 case JBIG2_COMPOSE_REPLACE: { | |
| 641 for (yy = y0; yy < y1; ++yy) { | |
| 642 destPtr = pLineDst; | |
| 643 srcPtr = pLineSrc + (-x >> 3); | |
| 644 src1 = *srcPtr++; | |
| 645 xx = x0; | |
| 646 for (; xx < x1 - 8; xx += 8) { | |
| 647 dest = *destPtr; | |
| 648 src0 = src1; | |
| 649 src1 = *srcPtr++; | |
| 650 src = (((src0 << 8) | src1) >> s1) & 0xff; | |
| 651 dest = src; | |
| 652 *destPtr++ = (uint8_t)dest; | |
| 653 } | |
| 654 dest = *destPtr; | |
| 655 src0 = src1; | |
| 656 if (srcPtr - pLineSrc < m_nStride) { | |
| 657 src1 = *srcPtr++; | |
| 658 } else { | |
| 659 src1 = 0; | |
| 660 } | |
| 661 src = (((src0 << 8) | src1) >> s1) & 0xff; | |
| 662 dest = (src & m2) | (dest & m1); | |
| 663 *destPtr = (uint8_t)dest; | |
| 664 pLineDst += pDst->m_nStride; | |
| 665 pLineSrc += m_nStride; | |
| 666 } | |
| 667 } break; | |
| 668 } | |
| 669 } | |
| 670 } | |
| 671 return TRUE; | |
| 672 } | |
| 673 FX_BOOL CJBig2_Image::composeFrom(int32_t x, | 133 FX_BOOL CJBig2_Image::composeFrom(int32_t x, |
| 674 int32_t y, | 134 int32_t y, |
| 675 CJBig2_Image* pSrc, | 135 CJBig2_Image* pSrc, |
| 676 JBig2ComposeOp op) { | 136 JBig2ComposeOp op) { |
| 677 if (!m_pData) { | 137 if (!m_pData) { |
| 678 return FALSE; | 138 return FALSE; |
| 679 } | 139 } |
| 680 return pSrc->composeTo(this, x, y, op); | 140 return pSrc->composeTo(this, x, y, op); |
| 681 } | 141 } |
| 682 FX_BOOL CJBig2_Image::composeFrom(int32_t x, | 142 FX_BOOL CJBig2_Image::composeFrom(int32_t x, |
| 683 int32_t y, | 143 int32_t y, |
| 684 CJBig2_Image* pSrc, | 144 CJBig2_Image* pSrc, |
| 685 JBig2ComposeOp op, | 145 JBig2ComposeOp op, |
| 686 const FX_RECT* pSrcRect) { | 146 const FX_RECT* pSrcRect) { |
| 687 if (!m_pData) { | 147 if (!m_pData) { |
| 688 return FALSE; | 148 return FALSE; |
| 689 } | 149 } |
| 690 return pSrc->composeTo(this, x, y, op, pSrcRect); | 150 return pSrc->composeTo(this, x, y, op, pSrcRect); |
| 691 } | 151 } |
| 692 CJBig2_Image* CJBig2_Image::subImage_unopt(int32_t x, | |
| 693 int32_t y, | |
| 694 int32_t w, | |
| 695 int32_t h) { | |
| 696 CJBig2_Image* pImage; | |
| 697 int32_t i, j; | |
| 698 JBIG2_ALLOC(pImage, CJBig2_Image(w, h)); | |
| 699 for (j = 0; j < h; j++) { | |
| 700 for (i = 0; i < w; i++) { | |
| 701 pImage->setPixel(i, j, getPixel(x + i, y + j)); | |
| 702 } | |
| 703 } | |
| 704 return pImage; | |
| 705 } | |
| 706 #define JBIG2_GETDWORD(buf) \ | 152 #define JBIG2_GETDWORD(buf) \ |
| 707 ((FX_DWORD)(((buf)[0] << 24) | ((buf)[1] << 16) | ((buf)[2] << 8) | (buf)[3])) | 153 ((FX_DWORD)(((buf)[0] << 24) | ((buf)[1] << 16) | ((buf)[2] << 8) | (buf)[3])) |
| 708 CJBig2_Image* CJBig2_Image::subImage(int32_t x, | 154 CJBig2_Image* CJBig2_Image::subImage(int32_t x, |
| 709 int32_t y, | 155 int32_t y, |
| 710 int32_t w, | 156 int32_t w, |
| 711 int32_t h) { | 157 int32_t h) { |
| 712 CJBig2_Image* pImage; | 158 CJBig2_Image* pImage; |
| 713 int32_t m, n, j; | 159 int32_t m, n, j; |
| 714 uint8_t *pLineSrc, *pLineDst; | 160 uint8_t *pLineSrc, *pLineDst; |
| 715 FX_DWORD wTmp; | 161 FX_DWORD wTmp; |
| (...skipping 930 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 1646 dp[2] = (uint8_t)(tmp >> 8); | 1092 dp[2] = (uint8_t)(tmp >> 8); |
| 1647 dp[3] = (uint8_t)tmp; | 1093 dp[3] = (uint8_t)tmp; |
| 1648 } | 1094 } |
| 1649 lineSrc += m_nStride; | 1095 lineSrc += m_nStride; |
| 1650 lineDst += pDst->m_nStride; | 1096 lineDst += pDst->m_nStride; |
| 1651 } | 1097 } |
| 1652 } | 1098 } |
| 1653 } | 1099 } |
| 1654 return 1; | 1100 return 1; |
| 1655 } | 1101 } |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1328643002:
Remove dead JBig2 code. (Closed)
Base URL: https://pdfium.googlesource.com/pdfium@master