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 #ifdef CONFIG_FONT_6x10
67 #undef NO_FONTS
68 &font_6x10,
69 #endif
70 };
71
72 #define num_fonts ARRAY_SIZE(fonts)
73
74 #ifdef NO_FONTS
75 #error No fonts configured.
76 #endif
77
78
79 /**
80 * find_font - find a font
81 * @name: string name of a font
82 *
83 * Find a specified font with string name @name.
84 *
85 * Returns %NULL if no font found, or a pointer to the
86 * specified font.
87 *
88 */
89
find_font(const char * name)90 const struct font_desc *find_font(const char *name)
91 {
92 unsigned int i;
93
94 for (i = 0; i < num_fonts; i++)
95 if (!strcmp(fonts[i]->name, name))
96 return fonts[i];
97 return NULL;
98 }
99
100
101 /**
102 * get_default_font - get default font
103 * @xres: screen size of X
104 * @yres: screen size of Y
105 * @font_w: bit array of supported widths (1 - 32)
106 * @font_h: bit array of supported heights (1 - 32)
107 *
108 * Get the default font for a specified screen size.
109 * Dimensions are in pixels.
110 *
111 * Returns %NULL if no font is found, or a pointer to the
112 * chosen font.
113 *
114 */
115
get_default_font(int xres,int yres,u32 font_w,u32 font_h)116 const struct font_desc *get_default_font(int xres, int yres, u32 font_w,
117 u32 font_h)
118 {
119 int i, c, cc;
120 const struct font_desc *f, *g;
121
122 g = NULL;
123 cc = -10000;
124 for(i=0; i<num_fonts; i++) {
125 f = fonts[i];
126 c = f->pref;
127 #if defined(__mc68000__)
128 #ifdef CONFIG_FONT_PEARL_8x8
129 if (MACH_IS_AMIGA && f->idx == PEARL8x8_IDX)
130 c = 100;
131 #endif
132 #ifdef CONFIG_FONT_6x11
133 if (MACH_IS_MAC && xres < 640 && f->idx == VGA6x11_IDX)
134 c = 100;
135 #endif
136 #endif
137 if ((yres < 400) == (f->height <= 8))
138 c += 1000;
139
140 if ((font_w & (1 << (f->width - 1))) &&
141 (font_h & (1 << (f->height - 1))))
142 c += 1000;
143
144 if (c > cc) {
145 cc = c;
146 g = f;
147 }
148 }
149 return g;
150 }
151
152 EXPORT_SYMBOL(find_font);
153 EXPORT_SYMBOL(get_default_font);
154
155 MODULE_AUTHOR("James Simmons <jsimmons@users.sf.net>");
156 MODULE_DESCRIPTION("Console Fonts");
157 MODULE_LICENSE("GPL");
158