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140 lines
2.7 KiB
140 lines
2.7 KiB
20 years ago
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/*
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* linux/drivers/video/fonts.c -- `Soft' font definitions
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*
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* Created 1995 by Geert Uytterhoeven
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* Rewritten 1998 by Martin Mares <mj@ucw.cz>
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*
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* 2001 - Documented with DocBook
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* - Brad Douglas <brad@neruo.com>
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file COPYING in the main directory of this archive
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* for more details.
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*/
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#include <linux/config.h>
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#include <linux/module.h>
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#include <linux/types.h>
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#include <linux/string.h>
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#if defined(__mc68000__) || defined(CONFIG_APUS)
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#include <asm/setup.h>
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#endif
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#include <linux/font.h>
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#define NO_FONTS
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static struct font_desc *fonts[] = {
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#ifdef CONFIG_FONT_8x8
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#undef NO_FONTS
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&font_vga_8x8,
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#endif
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#ifdef CONFIG_FONT_8x16
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#undef NO_FONTS
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&font_vga_8x16,
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#endif
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#ifdef CONFIG_FONT_6x11
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#undef NO_FONTS
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&font_vga_6x11,
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#endif
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#ifdef CONFIG_FONT_SUN8x16
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#undef NO_FONTS
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&font_sun_8x16,
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#endif
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#ifdef CONFIG_FONT_SUN12x22
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#undef NO_FONTS
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&font_sun_12x22,
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#endif
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#ifdef CONFIG_FONT_ACORN_8x8
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#undef NO_FONTS
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&font_acorn_8x8,
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#endif
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#ifdef CONFIG_FONT_PEARL_8x8
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#undef NO_FONTS
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&font_pearl_8x8,
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#endif
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#ifdef CONFIG_FONT_MINI_4x6
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#undef NO_FONTS
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&font_mini_4x6,
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#endif
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};
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#define num_fonts (sizeof(fonts)/sizeof(*fonts))
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#ifdef NO_FONTS
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#error No fonts configured.
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#endif
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/**
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* find_font - find a font
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* @name: string name of a font
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*
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* Find a specified font with string name @name.
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*
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* Returns %NULL if no font found, or a pointer to the
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* specified font.
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*
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*/
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struct font_desc *find_font(char *name)
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{
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unsigned int i;
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for (i = 0; i < num_fonts; i++)
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if (!strcmp(fonts[i]->name, name))
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return fonts[i];
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return NULL;
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}
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/**
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* get_default_font - get default font
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* @xres: screen size of X
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* @yres: screen size of Y
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*
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* Get the default font for a specified screen size.
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* Dimensions are in pixels.
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*
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* Returns %NULL if no font is found, or a pointer to the
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* chosen font.
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*
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*/
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struct font_desc *get_default_font(int xres, int yres)
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{
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int i, c, cc;
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struct font_desc *f, *g;
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g = NULL;
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cc = -10000;
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for(i=0; i<num_fonts; i++) {
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f = fonts[i];
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c = f->pref;
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#if defined(__mc68000__) || defined(CONFIG_APUS)
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#ifdef CONFIG_FONT_PEARL_8x8
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if (MACH_IS_AMIGA && f->idx == PEARL8x8_IDX)
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c = 100;
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#endif
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#ifdef CONFIG_FONT_6x11
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if (MACH_IS_MAC && xres < 640 && f->idx == VGA6x11_IDX)
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c = 100;
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#endif
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#endif
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if ((yres < 400) == (f->height <= 8))
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c += 1000;
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if (c > cc) {
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cc = c;
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g = f;
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}
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}
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return g;
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}
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EXPORT_SYMBOL(fonts);
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EXPORT_SYMBOL(find_font);
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EXPORT_SYMBOL(get_default_font);
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MODULE_AUTHOR("James Simmons <jsimmons@users.sf.net>");
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MODULE_DESCRIPTION("Console Fonts");
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MODULE_LICENSE("GPL");
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