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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
25static 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#ifdef CONFIG_FONT_TER16x32
71#undef NO_FONTS
72 &font_ter_16x32,
73#endif
74};
75
76#define num_fonts ARRAY_SIZE(fonts)
77
78#ifdef NO_FONTS
79#error No fonts configured.
80#endif
81
82
83/**
84 * find_font - find a font
85 * @name: string name of a font
86 *
87 * Find a specified font with string name @name.
88 *
89 * Returns %NULL if no font found, or a pointer to the
90 * specified font.
91 *
92 */
93
94const struct font_desc *find_font(const char *name)
95{
96 unsigned int i;
97
98 for (i = 0; i < num_fonts; i++)
99 if (!strcmp(fonts[i]->name, name))
100 return fonts[i];
101 return NULL;
102}
103
104
105/**
106 * get_default_font - get default font
107 * @xres: screen size of X
108 * @yres: screen size of Y
109 * @font_w: bit array of supported widths (1 - 32)
110 * @font_h: bit array of supported heights (1 - 32)
111 *
112 * Get the default font for a specified screen size.
113 * Dimensions are in pixels.
114 *
115 * Returns %NULL if no font is found, or a pointer to the
116 * chosen font.
117 *
118 */
119
120const struct font_desc *get_default_font(int xres, int yres, u32 font_w,
121 u32 font_h)
122{
123 int i, c, cc;
124 const struct font_desc *f, *g;
125
126 g = NULL;
127 cc = -10000;
128 for(i=0; i<num_fonts; i++) {
129 f = fonts[i];
130 c = f->pref;
131#if defined(__mc68000__)
132#ifdef CONFIG_FONT_PEARL_8x8
133 if (MACH_IS_AMIGA && f->idx == PEARL8x8_IDX)
134 c = 100;
135#endif
136#ifdef CONFIG_FONT_6x11
137 if (MACH_IS_MAC && xres < 640 && f->idx == VGA6x11_IDX)
138 c = 100;
139#endif
140#endif
141 if ((yres < 400) == (f->height <= 8))
142 c += 1000;
143
144 if ((font_w & (1 << (f->width - 1))) &&
145 (font_h & (1 << (f->height - 1))))
146 c += 1000;
147
148 if (c > cc) {
149 cc = c;
150 g = f;
151 }
152 }
153 return g;
154}
155
156EXPORT_SYMBOL(find_font);
157EXPORT_SYMBOL(get_default_font);
158
159MODULE_AUTHOR("James Simmons <jsimmons@users.sf.net>");
160MODULE_DESCRIPTION("Console Fonts");
161MODULE_LICENSE("GPL");