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