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Tom Rini83d290c2018-05-06 17:58:06 -04001/* SPDX-License-Identifier: GPL-2.0+ */
wdenk059ae172003-04-20 16:52:09 +00002/* (C) Copyright 2002
3 * Detlev Zundel, DENX Software Engineering, dzu@denx.de.
wdenk059ae172003-04-20 16:52:09 +00004 */
5
6/************************************************************************/
7/* ** Layout of a bmp file */
8/************************************************************************/
9
10#ifndef _BMP_H_
11#define _BMP_H_
12
Simon Glass1c3dbe52015-05-13 07:02:27 -060013struct __packed bmp_color_table_entry {
wdenk27b207f2003-07-24 23:38:38 +000014 __u8 blue;
15 __u8 green;
16 __u8 red;
17 __u8 reserved;
Simon Glass1c3dbe52015-05-13 07:02:27 -060018};
wdenk059ae172003-04-20 16:52:09 +000019
20/* When accessing these fields, remember that they are stored in little
21 endian format, so use linux macros, e.g. le32_to_cpu(width) */
22
Simon Glass1c3dbe52015-05-13 07:02:27 -060023struct __packed bmp_header {
wdenk27b207f2003-07-24 23:38:38 +000024 /* Header */
25 char signature[2];
26 __u32 file_size;
27 __u32 reserved;
28 __u32 data_offset;
29 /* InfoHeader */
30 __u32 size;
31 __u32 width;
32 __u32 height;
33 __u16 planes;
34 __u16 bit_count;
35 __u32 compression;
36 __u32 image_size;
37 __u32 x_pixels_per_m;
38 __u32 y_pixels_per_m;
39 __u32 colors_used;
40 __u32 colors_important;
41 /* ColorTable */
Simon Glass1c3dbe52015-05-13 07:02:27 -060042};
wdenk8bde7f72003-06-27 21:31:46 +000043
Simon Glass1c3dbe52015-05-13 07:02:27 -060044struct bmp_image {
45 struct bmp_header header;
wdenk27b207f2003-07-24 23:38:38 +000046 /* We use a zero sized array just as a placeholder for variable
47 sized array */
Simon Glass1c3dbe52015-05-13 07:02:27 -060048 struct bmp_color_table_entry color_table[0];
49};
wdenk059ae172003-04-20 16:52:09 +000050
51/* Data in the bmp_image is aligned to this length */
wdenk27b207f2003-07-24 23:38:38 +000052#define BMP_DATA_ALIGN 4
wdenk059ae172003-04-20 16:52:09 +000053
54/* Constants for the compression field */
wdenk27b207f2003-07-24 23:38:38 +000055#define BMP_BI_RGB 0
56#define BMP_BI_RLE8 1
57#define BMP_BI_RLE4 2
wdenk059ae172003-04-20 16:52:09 +000058
wdenk27b207f2003-07-24 23:38:38 +000059#endif /* _BMP_H_ */