| 283 | |
| 284 | |
| 285 | ILboolean ReadIndexed(PSDHEAD *Head) |
| 286 | { |
| 287 | ILuint ColorMode, ResourceSize, MiscInfo, i, j, NumEnt; |
| 288 | ILushort Compressed; |
| 289 | ILubyte *Palette = NULL, *Resources = NULL; |
| 290 | |
| 291 | ColorMode = GetBigUInt(); // Skip over the 'color mode data section' |
| 292 | if (ColorMode % 3 != 0) { |
| 293 | ilSetError(IL_INVALID_FILE_HEADER); |
| 294 | return IL_FALSE; |
| 295 | } |
| 296 | Palette = (ILubyte*)ialloc(ColorMode); |
| 297 | if (Palette == NULL) |
| 298 | return IL_FALSE; |
| 299 | if (iread(Palette, 1, ColorMode) != ColorMode) |
| 300 | goto cleanup_error; |
| 301 | |
| 302 | ResourceSize = GetBigUInt(); // Read the 'image resources section' |
| 303 | Resources = (ILubyte*)ialloc(ResourceSize); |
| 304 | if (Resources == NULL) { |
| 305 | return IL_FALSE; |
| 306 | } |
| 307 | if (iread(Resources, 1, ResourceSize) != ResourceSize) |
| 308 | goto cleanup_error; |
| 309 | |
| 310 | MiscInfo = GetBigUInt(); |
| 311 | if (ieof()) |
| 312 | goto cleanup_error; |
| 313 | iseek(MiscInfo, IL_SEEK_CUR); |
| 314 | |
| 315 | Compressed = GetBigUShort(); |
| 316 | if (ieof()) |
| 317 | goto cleanup_error; |
| 318 | |
| 319 | if (Head->Channels != 1 || Head->Depth != 8) { |
| 320 | ilSetError(IL_FORMAT_NOT_SUPPORTED); |
| 321 | goto cleanup_error; |
| 322 | } |
| 323 | ChannelNum = Head->Channels; |
| 324 | |
| 325 | if (!ilTexImage(Head->Width, Head->Height, 1, 1, IL_COLOUR_INDEX, IL_UNSIGNED_BYTE, NULL)) |
| 326 | goto cleanup_error; |
| 327 | |
| 328 | iCurImage->Pal.Palette = (ILubyte*)ialloc(ColorMode); |
| 329 | if (iCurImage->Pal.Palette == NULL) { |
| 330 | goto cleanup_error; |
| 331 | } |
| 332 | iCurImage->Pal.PalSize = ColorMode; |
| 333 | iCurImage->Pal.PalType = IL_PAL_RGB24; |
| 334 | |
| 335 | NumEnt = iCurImage->Pal.PalSize / 3; |
| 336 | for (i = 0, j = 0; i < iCurImage->Pal.PalSize; i += 3, j++) { |
| 337 | iCurImage->Pal.Palette[i ] = Palette[j]; |
| 338 | iCurImage->Pal.Palette[i+1] = Palette[j+NumEnt]; |
| 339 | iCurImage->Pal.Palette[i+2] = Palette[j+NumEnt*2]; |
| 340 | } |
| 341 | ifree(Palette); |
| 342 | Palette = NULL; |
no test coverage detected