| /* (C) Copyright 2002 |
| * Detlev Zundel, DENX Software Engineering, dzu@denx.de. |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| /************************************************************************/ |
| /* ** Layout of a bmp file */ |
| /************************************************************************/ |
| |
| #ifndef _BMP_H_ |
| #define _BMP_H_ |
| |
| typedef struct bmp_color_table_entry { |
| __u8 blue; |
| __u8 green; |
| __u8 red; |
| __u8 reserved; |
| } __attribute__ ((packed)) bmp_color_table_entry_t; |
| |
| /* When accessing these fields, remember that they are stored in little |
| endian format, so use linux macros, e.g. le32_to_cpu(width) */ |
| |
| typedef struct bmp_header { |
| /* Header */ |
| char signature[2]; |
| __u32 file_size; |
| __u32 reserved; |
| __u32 data_offset; |
| /* InfoHeader */ |
| __u32 size; |
| __u32 width; |
| __u32 height; |
| __u16 planes; |
| __u16 bit_count; |
| __u32 compression; |
| __u32 image_size; |
| __u32 x_pixels_per_m; |
| __u32 y_pixels_per_m; |
| __u32 colors_used; |
| __u32 colors_important; |
| /* ColorTable */ |
| |
| } __attribute__ ((packed)) bmp_header_t; |
| |
| typedef struct bmp_image { |
| bmp_header_t header; |
| /* We use a zero sized array just as a placeholder for variable |
| sized array */ |
| bmp_color_table_entry_t color_table[0]; |
| } bmp_image_t; |
| |
| /* Data in the bmp_image is aligned to this length */ |
| #define BMP_DATA_ALIGN 4 |
| |
| /* Constants for the compression field */ |
| #define BMP_BI_RGB 0 |
| #define BMP_BI_RLE8 1 |
| #define BMP_BI_RLE4 2 |
| |
| #endif /* _BMP_H_ */ |
