APPLICATION_EXT_FUNC_CODE COMMENT_EXT_FUNC_CODE D_GIF_ERR_CLOSE_FAILED D_GIF_ERR_DATA_TOO_BIG D_GIF_ERR_EOF_TOO_SOON D_GIF_ERR_IMAGE_DEFECT D_GIF_ERR_NO_COLOR_MAP D_GIF_ERR_NO_IMAG_DSCR D_GIF_ERR_NO_SCRN_DSCR D_GIF_ERR_NOT_ENOUGH_MEM D_GIF_ERR_NOT_GIF_FILE D_GIF_ERR_NOT_READABLE D_GIF_ERR_OPEN_FAILED D_GIF_ERR_READ_FAILED D_GIF_ERR_WRONG_RECORD DGifCloseFile DGifOpen DGifSlurp EXTENSION_RECORD_TYPE GIF87_STAMP GIF89_STAMP GIF_ERROR GIF_FILE_BUFFER_SIZE GIF_OK GIF_STAMP GIF_STAMP_LEN GIF_VERSION_POS GifBooleanType GifByteType GifPixelType GifPrefixType GifRecordType GifRowType GifWord GRAPHICS_EXT_FUNC_CODE IMAGE_DESC_RECORD_TYPE InputFunc PLAINTEXT_EXT_FUNC_CODE SCREEN_DESC_RECORD_TYPE TERMINATE_RECORD_TYPE UNDEFINED_RECORD_TYPE

int DGifSlurp ( GifFileType *  GifFile ) Definition at line 832 of file ungif.c. Referenced by GifDecoder_Initialize(). { int ImageSize; GifRecordType RecordType; SavedImage *sp; GifByteType *ExtData; SavedImage temp_save; temp_save.ExtensionBlocks = NULL; temp_save.ExtensionBlockCount = 0; do { if (DGifGetRecordType(GifFile, &RecordType) == GIF_ERROR) return (GIF_ERROR); switch (RecordType) { case IMAGE_DESC_RECORD_TYPE: if (DGifGetImageDesc(GifFile) == GIF_ERROR) return (GIF_ERROR); sp = &GifFile->SavedImages[GifFile->ImageCount - 1]; ImageSize = sp->ImageDesc.Width * sp->ImageDesc.Height; sp->RasterBits = ungif_alloc(ImageSize * sizeof(GifPixelType)); if (sp->RasterBits == NULL) { return GIF_ERROR; } if (DGifGetLine(GifFile, sp->RasterBits, ImageSize) == GIF_ERROR) return (GIF_ERROR); if (temp_save.ExtensionBlocks) { sp->ExtensionBlocks = temp_save.ExtensionBlocks; sp->ExtensionBlockCount = temp_save.ExtensionBlockCount; temp_save.ExtensionBlocks = NULL; temp_save.ExtensionBlockCount = 0; /* FIXME: The following is wrong. It is left in only for * backwards compatibility. Someday it should go away. Use * the sp->ExtensionBlocks->Function variable instead. */ sp->Function = sp->ExtensionBlocks[0].Function; } break; case EXTENSION_RECORD_TYPE: if (DGifGetExtension(GifFile, &temp_save.Function, &ExtData) == GIF_ERROR) return (GIF_ERROR); while (ExtData != NULL) { /* Create an extension block with our data */ if (AddExtensionBlock(&temp_save, ExtData[0], &ExtData[1]) == GIF_ERROR) return (GIF_ERROR); if (DGifGetExtensionNext(GifFile, &ExtData) == GIF_ERROR) return (GIF_ERROR); temp_save.Function = 0; } break; case TERMINATE_RECORD_TYPE: break; default: /* Should be trapped by DGifGetRecordType */ break; } } while (RecordType != TERMINATE_RECORD_TYPE); /* Just in case the Gif has an extension block without an associated * image... (Should we save this into a savefile structure with no image * instead? Have to check if the present writing code can handle that as * well.... */ if (temp_save.ExtensionBlocks) FreeExtension(&temp_save); return (GIF_OK); }