| 358 | |
| 359 | |
| 360 | ILboolean channelReadMixed(ILubyte *scan, ILint width, ILint noCol, ILint *off, ILint bytes) |
| 361 | { |
| 362 | ILint count; |
| 363 | int i, j, k; |
| 364 | ILubyte col[4]; |
| 365 | |
| 366 | for(i = 0; i < width; i += count) { |
| 367 | if (ieof()) |
| 368 | return IL_FALSE; |
| 369 | |
| 370 | count = igetc(); |
| 371 | if (count == IL_EOF) |
| 372 | return IL_FALSE; |
| 373 | |
| 374 | if (count >= 128) { // Repeated sequence |
| 375 | if (count == 128) { // Long run |
| 376 | count = GetBigUShort(); |
| 377 | if (ieof()) { |
| 378 | ilSetError(IL_FILE_READ_ERROR); |
| 379 | return IL_FALSE; |
| 380 | } |
| 381 | } |
| 382 | else |
| 383 | count -= 127; |
| 384 | |
| 385 | // We've run past... |
| 386 | if ((i + count) > width) { |
| 387 | //fprintf(stderr, "ERROR: FF_PIC_load(): Overrun scanline (Repeat) [%d + %d > %d] (NC=%d)\n", i, count, width, noCol); |
| 388 | ilSetError(IL_ILLEGAL_FILE_VALUE); |
| 389 | return IL_FALSE; |
| 390 | } |
| 391 | |
| 392 | for (j = 0; j < noCol; j++) |
| 393 | if (iread(&col[j], 1, 1) != 1) { |
| 394 | ilSetError(IL_FILE_READ_ERROR); |
| 395 | return IL_FALSE; |
| 396 | } |
| 397 | |
| 398 | for (k = 0; k < count; k++, scan += bytes) { |
| 399 | for (j = 0; j < noCol; j++) |
| 400 | scan[off[j]] = col[j]; |
| 401 | } |
| 402 | } else { // Raw sequence |
| 403 | count++; |
| 404 | if ((i + count) > width) { |
| 405 | //fprintf(stderr, "ERROR: FF_PIC_load(): Overrun scanline (Raw) [%d + %d > %d] (NC=%d)\n", i, count, width, noCol); |
| 406 | ilSetError(IL_ILLEGAL_FILE_VALUE); |
| 407 | return IL_FALSE; |
| 408 | } |
| 409 | |
| 410 | for (k = count; k > 0; k--, scan += bytes) { |
| 411 | for (j = 0; j < noCol; j++) |
| 412 | if (iread(&scan[off[j]], 1, 1) != 1) { |
| 413 | ilSetError(IL_FILE_READ_ERROR); |
| 414 | return IL_FALSE; |
| 415 | } |
| 416 | } |
| 417 | } |
no test coverage detected