projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
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 | ||
| 26 | static 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_SUN8x16 | |
| 40 | #undef NO_FONTS | |
| 41 | &font_sun_8x16, | |
| 42 | #endif | |
| 43 | #ifdef CONFIG_FONT_SUN12x22 | |
| 44 | #undef NO_FONTS | |
| 45 | &font_sun_12x22, | |
| 46 | #endif | |
| 47 | #ifdef CONFIG_FONT_ACORN_8x8 | |
| 48 | #undef NO_FONTS | |
| 49 | &font_acorn_8x8, | |
| 50 | #endif | |
| 51 | #ifdef CONFIG_FONT_PEARL_8x8 | |
| 52 | #undef NO_FONTS | |
| 53 | &font_pearl_8x8, | |
| 54 | #endif | |
| 55 | #ifdef CONFIG_FONT_MINI_4x6 | |
| 56 | #undef NO_FONTS | |
| 57 | &font_mini_4x6, | |
| 58 | #endif | |
| 59 | }; | |
| 60 | ||
| 61 | #define num_fonts (sizeof(fonts)/sizeof(*fonts)) | |
| 62 | ||
| 63 | #ifdef NO_FONTS | |
| 64 | #error No fonts configured. | |
| 65 | #endif | |
| 66 | ||
| 67 | ||
| 68 | /** | |
| 69 | * find_font - find a font | |
| 70 | * @name: string name of a font | |
| 71 | * | |
| 72 | * Find a specified font with string name @name. | |
| 73 | * | |
| 74 | * Returns %NULL if no font found, or a pointer to the | |
| 75 | * specified font. | |
| 76 | * | |
| 77 | */ | |
| 78 | ||
| 79 | struct font_desc *find_font(char *name) | |
| 80 | { | |
| 81 | unsigned int i; | |
| 82 | ||
| 83 | for (i = 0; i < num_fonts; i++) | |
| 84 | if (!strcmp(fonts[i]->name, name)) | |
| 85 | return fonts[i]; | |
| 86 | return NULL; | |
| 87 | } | |
| 88 | ||
| 89 | ||
| 90 | /** | |
| 91 | * get_default_font - get default font | |
| 92 | * @xres: screen size of X | |
| 93 | * @yres: screen size of Y | |
| 94 | * | |
| 95 | * Get the default font for a specified screen size. | |
| 96 | * Dimensions are in pixels. | |
| 97 | * | |
| 98 | * Returns %NULL if no font is found, or a pointer to the | |
| 99 | * chosen font. | |
| 100 | * | |
| 101 | */ | |
| 102 | ||
| 103 | struct font_desc *get_default_font(int xres, int yres) | |
| 104 | { | |
| 105 | int i, c, cc; | |
| 106 | struct font_desc *f, *g; | |
| 107 | ||
| 108 | g = NULL; | |
| 109 | cc = -10000; | |
| 110 | for(i=0; i<num_fonts; i++) { | |
| 111 | f = fonts[i]; | |
| 112 | c = f->pref; | |
| 113 | #if defined(__mc68000__) || defined(CONFIG_APUS) | |
| 114 | #ifdef CONFIG_FONT_PEARL_8x8 | |
| 115 | if (MACH_IS_AMIGA && f->idx == PEARL8x8_IDX) | |
| 116 | c = 100; | |
| 117 | #endif | |
| 118 | #ifdef CONFIG_FONT_6x11 | |
| 119 | if (MACH_IS_MAC && xres < 640 && f->idx == VGA6x11_IDX) | |
| 120 | c = 100; | |
| 121 | #endif | |
| 122 | #endif | |
| 123 | if ((yres < 400) == (f->height <= 8)) | |
| 124 | c += 1000; | |
| 125 | if (c > cc) { | |
| 126 | cc = c; | |
| 127 | g = f; | |
| 128 | } | |
| 129 | } | |
| 130 | return g; | |
| 131 | } | |
| 132 | ||
| 133 | EXPORT_SYMBOL(fonts); | |
| 134 | EXPORT_SYMBOL(find_font); | |
| 135 | EXPORT_SYMBOL(get_default_font); | |
| 136 | ||
| 137 | MODULE_AUTHOR("James Simmons <jsimmons@users.sf.net>"); | |
| 138 | MODULE_DESCRIPTION("Console Fonts"); | |
| 139 | MODULE_LICENSE("GPL"); |