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