blendthumb.hh

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/* SPDX-FileCopyrightText: 2008-2021 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#include <optional>
 
#include "BLI_array.hh"
#include "BLI_vector.hh"
 
struct FileReader;
 
struct Thumbnail {
  blender::Array<uint8_t> data;
  int width;
  int height;
};
 
enum eThumbStatus {
  BT_OK = 0,
  BT_FILE_ERR = 1,
  BT_COMPRES_ERR = 2,
  BT_DECOMPRESS_ERR = 3,
  BT_INVALID_FILE = 4,
  BT_EARLY_VERSION = 5,
  BT_INVALID_THUMB = 6,
  BT_ERROR = 9
};
 
std::optional<blender::Vector<uint8_t>> blendthumb_create_png_data_from_thumb(
    const Thumbnail *thumb);
eThumbStatus blendthumb_create_thumb_from_file(FileReader *rawfile, Thumbnail *thumb);
 
/* INTEGER CODES */
#ifdef __BIG_ENDIAN__
/* Big Endian */
#  define MAKE_ID(a, b, c, d) ((int)(a) << 24 | (int)(b) << 16 | (c) << 8 | (d))
#else
/* Little Endian */
#  define MAKE_ID(a, b, c, d) ((int)(d) << 24 | (int)(c) << 16 | (b) << 8 | (a))
#endif