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 #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 94 const 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 */ 119 120 const 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 } 155 156 EXPORT_SYMBOL(find_font); 157 EXPORT_SYMBOL(get_default_font); 158 159 MODULE_AUTHOR("James Simmons <jsimmons@users.sf.net>"); 160 MODULE_DESCRIPTION("Console Fonts"); 161 MODULE_LICENSE("GPL"); 162