/* (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_ */