diff options
Diffstat (limited to 'lib/fonts/fonts.c')
-rw-r--r-- | lib/fonts/fonts.c | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/lib/fonts/fonts.c b/lib/fonts/fonts.c new file mode 100644 index 000000000000..f947189efe6d --- /dev/null +++ b/lib/fonts/fonts.c | |||
@@ -0,0 +1,153 @@ | |||
1 | /* | ||
2 | * `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/module.h> | ||
16 | #include <linux/types.h> | ||
17 | #include <linux/string.h> | ||
18 | #if defined(__mc68000__) | ||
19 | #include <asm/setup.h> | ||
20 | #endif | ||
21 | #include <linux/font.h> | ||
22 | |||
23 | #define NO_FONTS | ||
24 | |||
25 | static const struct font_desc *fonts[] = { | ||
26 | #ifdef CONFIG_FONT_8x8 | ||
27 | #undef NO_FONTS | ||
28 | &font_vga_8x8, | ||
29 | #endif | ||
30 | #ifdef CONFIG_FONT_8x16 | ||
31 | #undef NO_FONTS | ||
32 | &font_vga_8x16, | ||
33 | #endif | ||
34 | #ifdef CONFIG_FONT_6x11 | ||
35 | #undef NO_FONTS | ||
36 | &font_vga_6x11, | ||
37 | #endif | ||
38 | #ifdef CONFIG_FONT_7x14 | ||
39 | #undef NO_FONTS | ||
40 | &font_7x14, | ||
41 | #endif | ||
42 | #ifdef CONFIG_FONT_SUN8x16 | ||
43 | #undef NO_FONTS | ||
44 | &font_sun_8x16, | ||
45 | #endif | ||
46 | #ifdef CONFIG_FONT_SUN12x22 | ||
47 | #undef NO_FONTS | ||
48 | &font_sun_12x22, | ||
49 | #endif | ||
50 | #ifdef CONFIG_FONT_10x18 | ||
51 | #undef NO_FONTS | ||
52 | &font_10x18, | ||
53 | #endif | ||
54 | #ifdef CONFIG_FONT_ACORN_8x8 | ||
55 | #undef NO_FONTS | ||
56 | &font_acorn_8x8, | ||
57 | #endif | ||
58 | #ifdef CONFIG_FONT_PEARL_8x8 | ||
59 | #undef NO_FONTS | ||
60 | &font_pearl_8x8, | ||
61 | #endif | ||
62 | #ifdef CONFIG_FONT_MINI_4x6 | ||
63 | #undef NO_FONTS | ||
64 | &font_mini_4x6, | ||
65 | #endif | ||
66 | }; | ||
67 | |||
68 | #define num_fonts ARRAY_SIZE(fonts) | ||
69 | |||
70 | #ifdef NO_FONTS | ||
71 | #error No fonts configured. | ||
72 | #endif | ||
73 | |||
74 | |||
75 | /** | ||
76 | * find_font - find a font | ||
77 | * @name: string name of a font | ||
78 | * | ||
79 | * Find a specified font with string name @name. | ||
80 | * | ||
81 | * Returns %NULL if no font found, or a pointer to the | ||
82 | * specified font. | ||
83 | * | ||
84 | */ | ||
85 | |||
86 | const struct font_desc *find_font(const char *name) | ||
87 | { | ||
88 | unsigned int i; | ||
89 | |||
90 | for (i = 0; i < num_fonts; i++) | ||
91 | if (!strcmp(fonts[i]->name, name)) | ||
92 | return fonts[i]; | ||
93 | return NULL; | ||
94 | } | ||
95 | |||
96 | |||
97 | /** | ||
98 | * get_default_font - get default font | ||
99 | * @xres: screen size of X | ||
100 | * @yres: screen size of Y | ||
101 | * @font_w: bit array of supported widths (1 - 32) | ||
102 | * @font_h: bit array of supported heights (1 - 32) | ||
103 | * | ||
104 | * Get the default font for a specified screen size. | ||
105 | * Dimensions are in pixels. | ||
106 | * | ||
107 | * Returns %NULL if no font is found, or a pointer to the | ||
108 | * chosen font. | ||
109 | * | ||
110 | */ | ||
111 | |||
112 | const struct font_desc *get_default_font(int xres, int yres, u32 font_w, | ||
113 | u32 font_h) | ||
114 | { | ||
115 | int i, c, cc; | ||
116 | const struct font_desc *f, *g; | ||
117 | |||
118 | g = NULL; | ||
119 | cc = -10000; | ||
120 | for(i=0; i<num_fonts; i++) { | ||
121 | f = fonts[i]; | ||
122 | c = f->pref; | ||
123 | #if defined(__mc68000__) | ||
124 | #ifdef CONFIG_FONT_PEARL_8x8 | ||
125 | if (MACH_IS_AMIGA && f->idx == PEARL8x8_IDX) | ||
126 | c = 100; | ||
127 | #endif | ||
128 | #ifdef CONFIG_FONT_6x11 | ||
129 | if (MACH_IS_MAC && xres < 640 && f->idx == VGA6x11_IDX) | ||
130 | c = 100; | ||
131 | #endif | ||
132 | #endif | ||
133 | if ((yres < 400) == (f->height <= 8)) | ||
134 | c += 1000; | ||
135 | |||
136 | if ((font_w & (1 << (f->width - 1))) && | ||
137 | (font_h & (1 << (f->height - 1)))) | ||
138 | c += 1000; | ||
139 | |||
140 | if (c > cc) { | ||
141 | cc = c; | ||
142 | g = f; | ||
143 | } | ||
144 | } | ||
145 | return g; | ||
146 | } | ||
147 | |||
148 | EXPORT_SYMBOL(find_font); | ||
149 | EXPORT_SYMBOL(get_default_font); | ||
150 | |||
151 | MODULE_AUTHOR("James Simmons <jsimmons@users.sf.net>"); | ||
152 | MODULE_DESCRIPTION("Console Fonts"); | ||
153 | MODULE_LICENSE("GPL"); | ||