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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef __BLO_BLEND_DEFS_H__
#define __BLO_BLEND_DEFS_H__
/** \file
* \ingroup blenloader
* \brief defines for blend-file codes.
*/
/* INTEGER CODES */
#ifdef __BIG_ENDIAN__
/* Big Endian */
# define BLEND_MAKE_ID(a, b, c, d) ((int)(a) << 24 | (int)(b) << 16 | (c) << 8 | (d))
#else
/* Little Endian */
# define BLEND_MAKE_ID(a, b, c, d) ((int)(d) << 24 | (int)(c) << 16 | (b) << 8 | (a))
#endif
/**
* Codes used for #BHead.code.
*
* These coexist with ID codes such as #ID_OB, #ID_SCE ... etc.
*/
enum {
/**
* Arbitrary allocated memory
* (typically owned by #ID's, will be freed when there are no users).
*/
DATA = BLEND_MAKE_ID('D', 'A', 'T', 'A'),
/**
* Used for #Global struct.
*/
GLOB = BLEND_MAKE_ID('G', 'L', 'O', 'B'),
/**
* Used for storing the encoded SDNA string
* (decoded into an #SDNA on load).
*/
DNA1 = BLEND_MAKE_ID('D', 'N', 'A', '1'),
/**
* Used to store thumbnail previews, written between #REND and #GLOB blocks,
* (ignored for regular file reading).
*/
TEST = BLEND_MAKE_ID('T', 'E', 'S', 'T'),
/**
* Used for #RenderInfo, basic Scene and frame range info,
* can be easily read by other applications without writing a full blend file parser.
*/
REND = BLEND_MAKE_ID('R', 'E', 'N', 'D'),
/**
* Used for #UserDef, (user-preferences data).
* (written to #BLENDER_STARTUP_FILE & #BLENDER_USERPREF_FILE).
*/
USER = BLEND_MAKE_ID('U', 'S', 'E', 'R'),
/**
* Terminate reading (no data).
*/
ENDB = BLEND_MAKE_ID('E', 'N', 'D', 'B'),
};
#define BLEN_THUMB_MEMSIZE_FILE(_x, _y) (sizeof(int) * (2 + (size_t)(_x) * (size_t)(_y)))
#endif /* __BLO_BLEND_DEFS_H__ */
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