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/*
* `Soft' font definitions
*
* Created 1995 by Geert Uytterhoeven
* Rewritten 1998 by Martin Mares <mj@ucw.cz>
*
* 2001 - Documented with DocBook
* - Brad Douglas <brad@neruo.com>
*
* 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>
static const struct font_desc *fonts[] = {
#ifdef CONFIG_FONT_8x8
&font_vga_8x8,
#endif
#ifdef CONFIG_FONT_8x16
&font_vga_8x16,
#endif
#ifdef CONFIG_FONT_6x11
&font_vga_6x11,
#endif
#ifdef CONFIG_FONT_7x14
&font_7x14,
#endif
#ifdef CONFIG_FONT_SUN8x16
&font_sun_8x16,
#endif
#ifdef CONFIG_FONT_SUN12x22
&font_sun_12x22,
#endif
#ifdef CONFIG_FONT_10x18
&font_10x18,
#endif
#ifdef CONFIG_FONT_ACORN_8x8
&font_acorn_8x8,
#endif
#ifdef CONFIG_FONT_PEARL_8x8
&font_pearl_8x8,
#endif
#ifdef CONFIG_FONT_MINI_4x6
&font_mini_4x6,
#endif
#ifdef CONFIG_FONT_6x10
&font_6x10,
#endif
#ifdef CONFIG_FONT_TER16x32
&font_ter_16x32,
#endif
#ifdef CONFIG_FONT_6x8
&font_6x8,
#endif
};
#define num_fonts ARRAY_SIZE(fonts)
#ifdef NO_FONTS
#error No fonts configured.
#endif
/**
* find_font - find a font
* @name: string name of a font
*
* Find a specified font with string name @name.
*
* Returns %NULL if no font found, or a pointer to the
* specified font.
*
*/
const struct font_desc *find_font(const char *name)
{
unsigned int i;
BUILD_BUG_ON(!num_fonts);
for (i = 0; i < num_fonts; i++)
if (!strcmp(fonts[i]->name, name))
return fonts[i];
return NULL;
}
EXPORT_SYMBOL(find_font);
/**
* get_default_font - get default font
* @xres: screen size of X
* @yres: screen size of Y
* @font_w: bit array of supported widths (1 - FB_MAX_BLIT_WIDTH)
* @font_h: bit array of supported heights (1 - FB_MAX_BLIT_HEIGHT)
*
* Get the default font for a specified screen size.
* Dimensions are in pixels.
*
* font_w or font_h being NULL means all values are supported.
*
* Returns %NULL if no font is found, or a pointer to the
* chosen font.
*
*/
const struct font_desc *get_default_font(int xres, int yres,
unsigned long *font_w,
unsigned long *font_h)
{
int i, c, cc, res;
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;
/* prefer a bigger font for high resolution */
res = (xres / f->width) * (yres / f->height) / 1000;
if (res > 20)
c += 20 - res;
if ((!font_w || test_bit(f->width - 1, font_w)) &&
(!font_h || test_bit(f->height - 1, font_h)))
c += 1000;
if (c > cc) {
cc = c;
g = f;
}
}
return g;
}
EXPORT_SYMBOL(get_default_font);
MODULE_AUTHOR("James Simmons <jsimmons@users.sf.net>");
MODULE_DESCRIPTION("Console Fonts");
MODULE_LICENSE("GPL");
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