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     int width, height;
20     const void *data;
21     int pref;
22 };
23 
24 #define VGA8x8_IDX	0
25 #define VGA8x16_IDX	1
26 #define PEARL8x8_IDX	2
27 #define VGA6x11_IDX	3
28 #define FONT7x14_IDX	4
29 #define	FONT10x18_IDX	5
30 #define SUN8x16_IDX	6
31 #define SUN12x22_IDX	7
32 #define ACORN8x8_IDX	8
33 #define	MINI4x6_IDX	9
34 #define FONT6x10_IDX	10
35 
36 extern const struct font_desc	font_vga_8x8,
37 			font_vga_8x16,
38 			font_pearl_8x8,
39 			font_vga_6x11,
40 			font_7x14,
41 			font_10x18,
42 			font_sun_8x16,
43 			font_sun_12x22,
44 			font_acorn_8x8,
45 			font_mini_4x6,
46 			font_6x10;
47 
48 /* Find a font with a specific name */
49 
50 extern const struct font_desc *find_font(const char *name);
51 
52 /* Get the default font for a specific screen size */
53 
54 extern const struct font_desc *get_default_font(int xres, int yres,
55 						u32 font_w, u32 font_h);
56 
57 /* Max. length for the name of a predefined font */
58 #define MAX_FONT_NAME	32
59 
60 /* Extra word getters */
61 #define REFCOUNT(fd)	(((int *)(fd))[-1])
62 #define FNTSIZE(fd)	(((int *)(fd))[-2])
63 #define FNTCHARCNT(fd)	(((int *)(fd))[-3])
64 #define FNTSUM(fd)	(((int *)(fd))[-4])
65 
66 #define FONT_EXTRA_WORDS 4
67 
68 struct font_data {
69 	unsigned int extra[FONT_EXTRA_WORDS];
70 	const unsigned char data[];
71 } __packed;
72 
73 #endif /* _VIDEO_FONT_H */
74