1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
/*
* `Soft' font definitions
*
* Created 1995 by Geert Uytterhoeven
* Rewritten 1998 by Martin Mares <mj@ucw.cz>
*
* 2001 - Documented with DocBook
* - Brad Douglas <brad@neruo.com>
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of this archive
* for more details.
*/
#include <linux/module.h>
#include <linux/types.h>
#include <linux/string.h>
#if defined(__mc68000__)
#include <asm/setup.h>
#endif
#include <linux/font.h>
static const struct font_desc *fonts[] = {
#ifdef CONFIG_FONT_8x8
&font_vga_8x8,
#endif
#ifdef CONFIG_FONT_8x16
&font_vga_8x16,
#endif
#ifdef CONFIG_FONT_6x11
&font_vga_6x11,
#endif
#ifdef CONFIG_FONT_7x14
&font_7x14,
#endif
#ifdef CONFIG_FONT_SUN8x16
&font_sun_8x16,
#endif
#ifdef CONFIG_FONT_SUN12x22
&font_sun_12x22,
#endif
#ifdef CONFIG_FONT_10x18
&font_10x18,
#endif
#ifdef CONFIG_FONT_ACORN_8x8
&font_acorn_8x8,
#endif
#ifdef CONFIG_FONT_PEARL_8x8
&font_pearl_8x8,
#endif
#ifdef CONFIG_FONT_MINI_4x6
&font_mini_4x6,
#endif
#ifdef CONFIG_FONT_6x10
&font_6x10,
#endif
#ifdef CONFIG_FONT_TER16x32
&font_ter_16x32,
#endif
#ifdef CONFIG_FONT_6x8
&font_6x8,
#endif
};
#define num_fonts ARRAY_SIZE(fonts)
#ifdef NO_FONTS
#error No fonts configured.
#endif
/**
* find_font - find a font
* @name: string name of a font
*
* Find a specified font with string name @name.
*
* Returns %NULL if no font found, or a pointer to the
* specified font.
*
*/
const struct font_desc *find_font(const char *name)
{
unsigned int i;
BUILD_BUG_ON(!num_fonts);
for (i = 0; i < num_fonts; i++)
if (!strcmp(fonts[i]->name, name))
return fonts[i];
return NULL;
}
EXPORT_SYMBOL(find_font);
/**
* get_default_font - get default font
* @xres: screen size of X
* @yres: screen size of Y
* @font_w: bit array of supported widths (1 - 32)
* @font_h: bit array of supported heights (1 - 32)
*
* Get the default font for a specified screen size.
* Dimensions are in pixels.
*
* Returns %NULL if no font is found, or a pointer to the
* chosen font.
*
*/
const struct font_desc *get_default_font(int xres, int yres, u32 font_w,
u32 font_h)
{
int i, c, cc, res;
const struct font_desc *f, *g;
g = NULL;
cc = -10000;
for (i = 0; i < num_fonts; i++) {
f = fonts[i];
c = f->pref;
#if defined(__mc68000__)
#ifdef CONFIG_FONT_PEARL_8x8
if (MACH_IS_AMIGA && f->idx == PEARL8x8_IDX)
c = 100;
#endif
#ifdef CONFIG_FONT_6x11
if (MACH_IS_MAC && xres < 640 && f->idx == VGA6x11_IDX)
c = 100;
#endif
#endif
if ((yres < 400) == (f->height <= 8))
c += 1000;
/* prefer a bigger font for high resolution */
res = (xres / f->width) * (yres / f->height) / 1000;
if (res > 20)
c += 20 - res;
if ((font_w & (1 << (f->width - 1))) &&
(font_h & (1 << (f->height - 1))))
c += 1000;
if (c > cc) {
cc = c;
g = f;
}
}
return g;
}
EXPORT_SYMBOL(get_default_font);
MODULE_AUTHOR("James Simmons <jsimmons@users.sf.net>");
MODULE_DESCRIPTION("Console Fonts");
MODULE_LICENSE("GPL");
|
