62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
/* SPDX-FileCopyrightText: 2023 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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/** \file
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* \ingroup blenloader
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* \brief defines for blend-file codes.
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*/
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/* INTEGER CODES */
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#ifdef __BIG_ENDIAN__
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/* Big Endian */
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# define BLEND_MAKE_ID(a, b, c, d) ((int)(a) << 24 | (int)(b) << 16 | (c) << 8 | (d))
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#else
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/* Little Endian */
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# define BLEND_MAKE_ID(a, b, c, d) ((int)(d) << 24 | (int)(c) << 16 | (b) << 8 | (a))
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#endif
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/**
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* Codes used for #BHead.code.
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*
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* These coexist with ID codes such as #ID_OB, #ID_SCE ... etc.
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*/
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enum {
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/**
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* Arbitrary allocated memory
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* (typically owned by #ID's, will be freed when there are no users).
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*/
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BLO_CODE_DATA = BLEND_MAKE_ID('D', 'A', 'T', 'A'),
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/**
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* Used for #Global struct.
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*/
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BLO_CODE_GLOB = BLEND_MAKE_ID('G', 'L', 'O', 'B'),
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/**
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* Used for storing the encoded SDNA string
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* (decoded into an #SDNA on load).
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*/
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BLO_CODE_DNA1 = BLEND_MAKE_ID('D', 'N', 'A', '1'),
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/**
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* Used to store thumbnail previews, written between #REND and #GLOB blocks,
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* (ignored for regular file reading).
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*/
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BLO_CODE_TEST = BLEND_MAKE_ID('T', 'E', 'S', 'T'),
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/**
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* Used for #RenderInfo, basic Scene and frame range info,
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* can be easily read by other applications without writing a full blend file parser.
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*/
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BLO_CODE_REND = BLEND_MAKE_ID('R', 'E', 'N', 'D'),
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/**
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* Used for #UserDef, (user-preferences data).
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* (written to #BLENDER_STARTUP_FILE & #BLENDER_USERPREF_FILE).
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*/
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BLO_CODE_USER = BLEND_MAKE_ID('U', 'S', 'E', 'R'),
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/**
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* Terminate reading (no data).
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*/
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BLO_CODE_ENDB = BLEND_MAKE_ID('E', 'N', 'D', 'B'),
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};
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#define BLEN_THUMB_MEMSIZE_FILE(_x, _y) (sizeof(int) * (2 + (size_t)(_x) * (size_t)(_y)))
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