Loads a .col palette file
| 366 | |
| 367 | //! Loads a .col palette file |
| 368 | ILboolean ilLoadColPal(ILconst_string FileName) |
| 369 | { |
| 370 | ILuint RealFileSize, FileSize; |
| 371 | ILushort Version; |
| 372 | ILHANDLE ColFile; |
| 373 | |
| 374 | if (!iCheckExtension(FileName, IL_TEXT("col"))) { |
| 375 | ilSetError(IL_INVALID_EXTENSION); |
| 376 | return IL_FALSE; |
| 377 | } |
| 378 | |
| 379 | if (iCurImage == NULL) { |
| 380 | ilSetError(IL_ILLEGAL_OPERATION); |
| 381 | return IL_FALSE; |
| 382 | } |
| 383 | |
| 384 | ColFile = iopenr(FileName); |
| 385 | if (ColFile == NULL) { |
| 386 | ilSetError(IL_COULD_NOT_OPEN_FILE); |
| 387 | return IL_FALSE; |
| 388 | } |
| 389 | |
| 390 | if (iCurImage->Pal.Palette && iCurImage->Pal.PalSize > 0 && iCurImage->Pal.PalType != IL_PAL_NONE) { |
| 391 | ifree(iCurImage->Pal.Palette); |
| 392 | iCurImage->Pal.Palette = NULL; |
| 393 | } |
| 394 | |
| 395 | iseek(0, IL_SEEK_END); |
| 396 | RealFileSize = ftell((FILE*)ColFile); |
| 397 | iseek(0, IL_SEEK_SET); |
| 398 | |
| 399 | if (RealFileSize > 768) { // has a header |
| 400 | fread(&FileSize, 4, 1, (FILE*)ColFile); |
| 401 | if ((FileSize - 8) % 3 != 0) { // check to make sure an even multiple of 3! |
| 402 | icloser(ColFile); |
| 403 | ilSetError(IL_ILLEGAL_FILE_VALUE); |
| 404 | return IL_FALSE; |
| 405 | } |
| 406 | if (iread(&Version, 2, 1) != 1) { |
| 407 | icloser(ColFile); |
| 408 | return IL_FALSE; |
| 409 | } |
| 410 | if (Version != 0xB123) { |
| 411 | icloser(ColFile); |
| 412 | ilSetError(IL_ILLEGAL_FILE_VALUE); |
| 413 | return IL_FALSE; |
| 414 | } |
| 415 | if (iread(&Version, 2, 1) != 1) { |
| 416 | icloser(ColFile); |
| 417 | return IL_FALSE; |
| 418 | } |
| 419 | if (Version != 0) { |
| 420 | icloser(ColFile); |
| 421 | ilSetError(IL_ILLEGAL_FILE_VALUE); |
| 422 | return IL_FALSE; |
| 423 | } |
| 424 | } |
| 425 |
no test coverage detected