mirror of
https://github.com/torvalds/linux
synced 2024-11-05 18:23:50 +00:00
2d2699d984
fbcon_set_font() will now check if the new font dimensions can be drawn by the driver (by checking pixmap.blit_x and blit_y). Similarly, add 2 new parameters to get_default_font(), font_w and font_h, to further aid in the font selection process. Signed-off-by: Antonino Daplas <adaplas@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
153 lines
3 KiB
C
153 lines
3 KiB
C
/*
|
|
* linux/drivers/video/fonts.c -- `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__) || defined(CONFIG_APUS)
|
|
#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
|
|
|
|
|
|
/**
|
|
* 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;
|
|
|
|
for (i = 0; i < num_fonts; i++)
|
|
if (!strcmp(fonts[i]->name, name))
|
|
return fonts[i];
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/**
|
|
* get_default_font - get default font
|
|
* @xres: screen size of X
|
|
* @yres: screen size of Y
|
|
* @font_w: bit array of supported widths (1 - 32)
|
|
* @font_h: bit array of supported heights (1 - 32)
|
|
*
|
|
* Get the default font for a specified screen size.
|
|
* Dimensions are in pixels.
|
|
*
|
|
* 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, 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__) || defined(CONFIG_APUS)
|
|
#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_w & (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 <jsimmons@users.sf.net>");
|
|
MODULE_DESCRIPTION("Console Fonts");
|
|
MODULE_LICENSE("GPL");
|