fonts.c

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/*
 * linux/drivers/video/fonts.c -- `Soft' font definitions
 *
 *    Created 1995 by Geert Uytterhoeven
 *    Rewritten 1998 by Martin Mares <[email protected]>
 *
 *  2001 - Documented with DocBook
 *  - Brad Douglas <[email protected]>
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file COPYING in the main directory of this archive
 * for more details.
 */

#include <linux/module.h>
#include <linux/types.h>
#include <linux/string.h>
#if defined(__mc68000__)
#include <asm/setup.h>
#endif
#include <linux/font.h>

#define NO_FONTS

static const struct font_desc *fonts[] = {
#ifdef CONFIG_FONT_8x8
#undef NO_FONTS
    &font_vga_8x8,
#endif
#ifdef CONFIG_FONT_8x16
#undef NO_FONTS
    &font_vga_8x16,
#endif
#ifdef CONFIG_FONT_6x11
#undef NO_FONTS
    &font_vga_6x11,
#endif
#ifdef CONFIG_FONT_7x14
#undef NO_FONTS
    &font_7x14,
#endif
#ifdef CONFIG_FONT_SUN8x16
#undef NO_FONTS
    &font_sun_8x16,
#endif
#ifdef CONFIG_FONT_SUN12x22
#undef NO_FONTS
    &font_sun_12x22,
#endif
#ifdef CONFIG_FONT_10x18
#undef NO_FONTS
    &font_10x18,
#endif
#ifdef CONFIG_FONT_ACORN_8x8
#undef NO_FONTS
    &font_acorn_8x8,
#endif
#ifdef CONFIG_FONT_PEARL_8x8
#undef NO_FONTS
    &font_pearl_8x8,
#endif
#ifdef CONFIG_FONT_MINI_4x6
#undef NO_FONTS
    &font_mini_4x6,
#endif
};

#define num_fonts ARRAY_SIZE(fonts)

#ifdef NO_FONTS
#error No fonts configured.
#endif


const struct font_desc *find_font(const char *name)
{
   unsigned int i;

   for (i = 0; i < num_fonts; i++)
      if (!strcmp(fonts[i]->name, name))
      return fonts[i];
   return NULL;
}


const struct font_desc *get_default_font(int xres, int yres, u32 font_w,
                     u32 font_h)
{
    int i, c, cc;
    const struct font_desc *f, *g;

    g = NULL;
    cc = -10000;
    for(i=0; i<num_fonts; i++) {
    f = fonts[i];
    c = f->pref;
#if defined(__mc68000__)
#ifdef CONFIG_FONT_PEARL_8x8
    if (MACH_IS_AMIGA && f->idx == PEARL8x8_IDX)
        c = 100;
#endif
#ifdef CONFIG_FONT_6x11
    if (MACH_IS_MAC && xres < 640 && f->idx == VGA6x11_IDX)
        c = 100;
#endif
#endif
    if ((yres < 400) == (f->height <= 8))
        c += 1000;

    if ((font_w & (1 << (f->width - 1))) &&
        (font_h & (1 << (f->height - 1))))
        c += 1000;

    if (c > cc) {
        cc = c;
        g = f;
    }
    }
    return g;
}

EXPORT_SYMBOL(find_font);
EXPORT_SYMBOL(get_default_font);

MODULE_AUTHOR("James Simmons <[email protected]>");
MODULE_DESCRIPTION("Console Fonts");
MODULE_LICENSE("GPL");