projects / thirdparty / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 | 1 | /* |
| ee89bd6b | 2 | * `Soft' font definitions |
| 1da177e4 LT |
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 | ||
| 1da177e4 LT |
15 | #include <linux/module.h> |
| 16 | #include <linux/types.h> | |
| 17 | #include <linux/string.h> | |
| 7b892806 | 18 | #if defined(__mc68000__) |
| 1da177e4 LT |
19 | #include <asm/setup.h> |
| 20 | #endif | |
| 21 | #include <linux/font.h> | |
| 22 | ||
| 2f4516db | 23 | static const struct font_desc *fonts[] = { |
| 1da177e4 | 24 | #ifdef CONFIG_FONT_8x8 |
| aa1d19f1 | 25 | &font_vga_8x8, |
| 1da177e4 LT |
26 | #endif |
| 27 | #ifdef CONFIG_FONT_8x16 | |
| aa1d19f1 | 28 | &font_vga_8x16, |
| 1da177e4 LT |
29 | #endif |
| 30 | #ifdef CONFIG_FONT_6x11 | |
| aa1d19f1 | 31 | &font_vga_6x11, |
| 1da177e4 | 32 | #endif |
| 303b86d9 | 33 | #ifdef CONFIG_FONT_7x14 |
| aa1d19f1 | 34 | &font_7x14, |
| 303b86d9 | 35 | #endif |
| 1da177e4 | 36 | #ifdef CONFIG_FONT_SUN8x16 |
| aa1d19f1 | 37 | &font_sun_8x16, |
| 1da177e4 LT |
38 | #endif |
| 39 | #ifdef CONFIG_FONT_SUN12x22 | |
| aa1d19f1 | 40 | &font_sun_12x22, |
| 1da177e4 | 41 | #endif |
| 303b86d9 | 42 | #ifdef CONFIG_FONT_10x18 |
| aa1d19f1 | 43 | &font_10x18, |
| 303b86d9 | 44 | #endif |
| 1da177e4 | 45 | #ifdef CONFIG_FONT_ACORN_8x8 |
| aa1d19f1 | 46 | &font_acorn_8x8, |
| 1da177e4 LT |
47 | #endif |
| 48 | #ifdef CONFIG_FONT_PEARL_8x8 | |
| aa1d19f1 | 49 | &font_pearl_8x8, |
| 1da177e4 LT |
50 | #endif |
| 51 | #ifdef CONFIG_FONT_MINI_4x6 | |
| aa1d19f1 | 52 | &font_mini_4x6, |
| 1da177e4 | 53 | #endif |
| 33ac9dba | 54 | #ifdef CONFIG_FONT_6x10 |
| aa1d19f1 | 55 | &font_6x10, |
| 33ac9dba | 56 | #endif |
| ac8b6f14 | 57 | #ifdef CONFIG_FONT_TER16x32 |
| aa1d19f1 | 58 | &font_ter_16x32, |
| ac8b6f14 | 59 | #endif |
| e2028c8e SS |
60 | #ifdef CONFIG_FONT_6x8 |
| 61 | &font_6x8, | |
| 62 | #endif | |
| 1da177e4 LT |
63 | }; |
| 64 | ||
| d1ae418e | 65 | #define num_fonts ARRAY_SIZE(fonts) |
| 1da177e4 LT |
66 | |
| 67 | #ifdef NO_FONTS | |
| 68 | #error No fonts configured. | |
| 69 | #endif | |
| 70 | ||
| 71 | ||
| 72 | /** | |
| 73 | * find_font - find a font | |
| 74 | * @name: string name of a font | |
| 75 | * | |
| 76 | * Find a specified font with string name @name. | |
| 77 | * | |
| 78 | * Returns %NULL if no font found, or a pointer to the | |
| 79 | * specified font. | |
| 80 | * | |
| 81 | */ | |
| 2f4516db | 82 | const struct font_desc *find_font(const char *name) |
| 1da177e4 | 83 | { |
| aa1d19f1 | 84 | unsigned int i; |
| 1da177e4 | 85 | |
| 73a649d2 | 86 | BUILD_BUG_ON(!num_fonts); |
| aa1d19f1 TI |
87 | for (i = 0; i < num_fonts; i++) |
| 88 | if (!strcmp(fonts[i]->name, name)) | |
| 89 | return fonts[i]; | |
| 90 | return NULL; | |
| 1da177e4 | 91 | } |
| aa1d19f1 | 92 | EXPORT_SYMBOL(find_font); |
| 1da177e4 LT |
93 | |
| 94 | ||
| 95 | /** | |
| 96 | * get_default_font - get default font | |
| 97 | * @xres: screen size of X | |
| 98 | * @yres: screen size of Y | |
| 15260979 ST |
99 | * @font_w: bit array of supported widths (1 - FB_MAX_BLIT_WIDTH) |
| 100 | * @font_h: bit array of supported heights (1 - FB_MAX_BLIT_HEIGHT) | |
| 1da177e4 LT |
101 | * |
| 102 | * Get the default font for a specified screen size. | |
| 103 | * Dimensions are in pixels. | |
| 104 | * | |
| 15260979 ST |
105 | * font_w or font_h being NULL means all values are supported. |
| 106 | * | |
| 1da177e4 LT |
107 | * Returns %NULL if no font is found, or a pointer to the |
| 108 | * chosen font. | |
| 109 | * | |
| 110 | */ | |
| 15260979 ST |
111 | const struct font_desc *get_default_font(int xres, int yres, |
| 112 | unsigned long *font_w, | |
| 113 | unsigned long *font_h) | |
| 1da177e4 | 114 | { |
| dfd19a50 | 115 | int i, c, cc, res; |
| aa1d19f1 TI |
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; | |
| 7b892806 | 123 | #if defined(__mc68000__) |
| 1da177e4 | 124 | #ifdef CONFIG_FONT_PEARL_8x8 |
| aa1d19f1 TI |
125 | if (MACH_IS_AMIGA && f->idx == PEARL8x8_IDX) |
| 126 | c = 100; | |
| 1da177e4 LT |
127 | #endif |
| 128 | #ifdef CONFIG_FONT_6x11 | |
| aa1d19f1 TI |
129 | if (MACH_IS_MAC && xres < 640 && f->idx == VGA6x11_IDX) |
| 130 | c = 100; | |
| 1da177e4 LT |
131 | #endif |
| 132 | #endif | |
| aa1d19f1 TI |
133 | if ((yres < 400) == (f->height <= 8)) |
| 134 | c += 1000; | |
| 2d2699d9 | 135 | |
| dfd19a50 TI |
136 | /* prefer a bigger font for high resolution */ |
| 137 | res = (xres / f->width) * (yres / f->height) / 1000; | |
| 138 | if (res > 20) | |
| 139 | c += 20 - res; | |
| 140 | ||
| 15260979 ST |
141 | if ((!font_w || test_bit(f->width - 1, font_w)) && |
| 142 | (!font_h || test_bit(f->height - 1, font_h))) | |
| aa1d19f1 | 143 | c += 1000; |
| 2d2699d9 | 144 | |
| aa1d19f1 TI |
145 | if (c > cc) { |
| 146 | cc = c; | |
| 147 | g = f; | |
| 148 | } | |
| 1da177e4 | 149 | } |
| aa1d19f1 | 150 | return g; |
| 1da177e4 | 151 | } |
| 1da177e4 LT |
152 | EXPORT_SYMBOL(get_default_font); |
| 153 | ||
| 154 | MODULE_AUTHOR("James Simmons <jsimmons@users.sf.net>"); | |
| 155 | MODULE_DESCRIPTION("Console Fonts"); | |
| 156 | MODULE_LICENSE("GPL"); |