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
  16 struct 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
  39 extern 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
  55 extern const struct font_desc *find_font(const char *name);
  56
  57 /* Get the default font for a specific screen size */
  58
  59 extern const struct font_desc *get_default_font(int xres, int yres,
  60                                                 unsigned long *font_w,
  61                                                 unsigned long *font_h);
  62
  63 /* Max. length for the name of a predefined font */
  64 #define MAX_FONT_NAME   32
  65
  66 /* Extra word getters */
  67 #define REFCOUNT(fd)    (((int *)(fd))[-1])
  68 #define FNTSIZE(fd)     (((int *)(fd))[-2])
  69 #define FNTCHARCNT(fd)  (((int *)(fd))[-3])
  70 #define FNTSUM(fd)      (((int *)(fd))[-4])
  71
  72 #define FONT_EXTRA_WORDS 4
  73
  74 struct font_data {
  75         unsigned int extra[FONT_EXTRA_WORDS];
  76         const unsigned char data[];
  77 } __packed;
  78
  79 #endif /* _VIDEO_FONT_H */