LXR linux/include/linux/font.h

   1/*
   2 *  font.h -- `Soft' font definitions
   3 *
   4 *  Created 1995 by Geert Uytterhoeven
   5 *
   6 *  This file is subject to the terms and conditions of the GNU General Public
   7 *  License.  See the file COPYING in the main directory of this archive
   8 *  for more details.
   9 */
  10
  11#ifndef _VIDEO_FONT_H
  12#define _VIDEO_FONT_H
  13
  14#include <linux/types.h>
  15
  16struct font_desc {
  17    int idx;
  18    const char *name;
  19    unsigned int width, height;
  20    unsigned int charcount;
  21    const void *data;
  22    int pref;
  23};
  24
  25#define VGA8x8_IDX      0
  26#define VGA8x16_IDX     1
  27#define PEARL8x8_IDX    2
  28#define VGA6x11_IDX     3
  29#define FONT7x14_IDX    4
  30#define FONT10x18_IDX   5
  31#define SUN8x16_IDX     6
  32#define SUN12x22_IDX    7
  33#define ACORN8x8_IDX    8
  34#define MINI4x6_IDX     9
  35#define FONT6x10_IDX    10
  36#define TER16x32_IDX    11
  37#define FONT6x8_IDX     12
  38
  39extern const struct font_desc   font_vga_8x8,
  40                        font_vga_8x16,
  41                        font_pearl_8x8,
  42                        font_vga_6x11,
  43                        font_7x14,
  44                        font_10x18,
  45                        font_sun_8x16,
  46                        font_sun_12x22,
  47                        font_acorn_8x8,
  48                        font_mini_4x6,
  49                        font_6x10,
  50                        font_ter_16x32,
  51                        font_6x8;
  52
  53/* Find a font with a specific name */
  54
  55extern const struct font_desc *find_font(const char *name);
  56
  57/* Get the default font for a specific screen size */
  58
  59extern const struct font_desc *get_default_font(int xres, int yres,
  60                                                u32 font_w, u32 font_h);
  61
  62/* Max. length for the name of a predefined font */
  63#define MAX_FONT_NAME   32
  64
  65/* Extra word getters */
  66#define REFCOUNT(fd)    (((int *)(fd))[-1])
  67#define FNTSIZE(fd)     (((int *)(fd))[-2])
  68#define FNTCHARCNT(fd)  (((int *)(fd))[-3])
  69#define FNTSUM(fd)      (((int *)(fd))[-4])
  70
  71#define FONT_EXTRA_WORDS 4
  72
  73struct font_data {
  74        unsigned int extra[FONT_EXTRA_WORDS];
  75        const unsigned char data[];
  76} __packed;
  77
  78#endif /* _VIDEO_FONT_H */
  79