LXR uboot/include/bmp

   1/* (C) Copyright 2002
   2 * Detlev Zundel, DENX Software Engineering, dzu@denx.de.
   3 *
   4 * See file CREDITS for list of people who contributed to this
   5 * project.
   6 *
   7 * This program is free software; you can redistribute it and/or
   8 * modify it under the terms of the GNU General Public License as
   9 * published by the Free Software Foundation; either version 2 of
  10 * the License, or (at your option) any later version.
  11 *
  12 * This program is distributed in the hope that it will be useful,
  13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 * GNU General Public License for more details.
  16 *
  17 * You should have received a copy of the GNU General Public License
  18 * along with this program; if not, write to the Free Software
  19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  20 * MA 02111-1307 USA
  21 */
  22
  23/************************************************************************/
  24/* ** Layout of a bmp file                                              */
  25/************************************************************************/
  26
  27#ifndef _BMP_H_
  28#define _BMP_H_
  29
  30typedef struct bmp_color_table_entry {
  31        __u8    blue;
  32        __u8    green;
  33        __u8    red;
  34        __u8    reserved;
  35} __attribute__ ((packed)) bmp_color_table_entry_t;
  36
  37/* When accessing these fields, remember that they are stored in little
  38   endian format, so use linux macros, e.g. le32_to_cpu(width)          */
  39
  40typedef struct bmp_header {
  41        /* Header */
  42        char signature[2];
  43        __u32   file_size;
  44        __u32   reserved;
  45        __u32   data_offset;
  46        /* InfoHeader */
  47        __u32   size;
  48        __u32   width;
  49        __u32   height;
  50        __u16   planes;
  51        __u16   bit_count;
  52        __u32   compression;
  53        __u32   image_size;
  54        __u32   x_pixels_per_m;
  55        __u32   y_pixels_per_m;
  56        __u32   colors_used;
  57        __u32   colors_important;
  58        /* ColorTable */
  59
  60} __attribute__ ((packed)) bmp_header_t;
  61
  62typedef struct bmp_image {
  63        bmp_header_t header;
  64        /* We use a zero sized array just as a placeholder for variable
  65           sized array */
  66        bmp_color_table_entry_t color_table[0];
  67} bmp_image_t;
  68
  69/* Data in the bmp_image is aligned to this length */
  70#define BMP_DATA_ALIGN  4
  71
  72/* Constants for the compression field */
  73#define BMP_BI_RGB      0
  74#define BMP_BI_RLE8     1
  75#define BMP_BI_RLE4     2
  76
  77#endif                                                  /* _BMP_H_ */
  78