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 */
80
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