2009-01-02 Colin D Bennett <colin@gibibit.com>

New font engine.
	
	Additional changes by Vesa Jääskeläinen <chaac@nic.fi> to adapt to
	build system and fixed gfxterm.c to work with different	sized fonts.

	* configure.ac: Changed UNIFONT_HEX to UNIFONT_BDF.
	
	* configure: Re-generated.
	
	* DISTLIST: Removed font/manager.c.
	Added font/font.c.
	Added font/font_cmd.c.
	
	* Makefile.in: Changed UNIFONT_HEX to UNIFONT_BDF.  Added Font tool
	compilation.
	
	* include/grub/misc.h (grub_utf8_to_ucs4): Changed prototype.  Changed users.
	
	* kern/misc.c (grub_utf8_to_ucs4): Changed prototype. 

	* kern/term.c: Changed users of grub_utf8_to_ucs4.
	
	* normal/menu.c: Likewise.
		
	* conf/common.rmk (font_mod_SOURCES): Removed font/manager.c.
	(font_mod_SOURCES): Added font/font_cmd.c, font/font.c.
	
	* include/grub/font.h: Replaced with new file.
	
	* include/grub/video.h (GRUB_VIDEO_MODE_TYPE_ALPHA): Changed value.
	(GRUB_VIDEO_MODE_TYPE_DOUBLE_BUFFERED): Likewise.
	(GRUB_VIDEO_MODE_TYPE_COLOR_MASK): Likewise.
	(GRUB_VIDEO_MODE_TYPE_1BIT_BITMAP): Added.
	(grub_video_blit_format): Added GRUB_VIDEO_BLIT_FORMAT_1BIT_PACKED.
	(grub_video_mode_info): Added bg_red, bg_green, bg_blue, bg_alpha, 
	fg_red, fg_green, fg_blue, fg_alpha.
	(grub_video_adapter): Removed blit_glyph.
	(grub_video_blit_glyph): Removed.	
	
	* font/manager.c: Removed file.
	
	* font/font.c: New file. 
	
	* font/font_cmd.c: Likewise.
	
	* video/video.c (grub_video_blit_glyph): Removed.
	
	* video/i386/pc/vbe.c (grub_video_vbe_map_rgb): Added 1-bit support.
	(grub_video_vbe_map_rgba): Likewise.
	(grub_video_vbe_unmap_color_int): Likewise.
	(grub_video_vbe_blit_glyph): Removed.
	(grub_video_vbe_adapter): Removed blit_glyph.
	
	* video/i386/pc/vbeutil.c (get_data_ptr): Added 1-bit support.
	(get_pixel): Likewise.
	(set_pixel): Likewise. 
	
	* commands/videotest.c (grub_cmd_videotest): Added more tests for fonts.
	
	* term/gfxterm.c: Adapted to new font engine.
	
	* term/i386/pc/vesafb.c: Marked as deprecated.  Made it compile.
	
	* term/i386/pc/vga.c: Likewise.
	
	* util/fonttool/src/org/gnu/grub/fonttool/BDFLoader.java: New file.
	
	* util/fonttool/src/org/gnu/grub/fonttool/CharDefs.java: Likewise.
	
	* util/fonttool/src/org/gnu/grub/fonttool/CharacterRange.java: Likewise.
	
	* util/fonttool/src/org/gnu/grub/fonttool/CharacterRange.java: Likewise.
	
	* util/fonttool/src/org/gnu/grub/fonttool/Converter.java: Likewise.
	
	* util/fonttool/src/org/gnu/grub/fonttool/Font.java: Likewise.
	
	* util/fonttool/src/org/gnu/grub/fonttool/Glyph.java: Likewise.
	
	* util/fonttool/src/org/gnu/grub/fonttool/PFF2Sections.java: Likewise.
	
	* util/fonttool/src/org/gnu/grub/fonttool/PFF2Writer.java: Likewise.

	* util/grub.d/00_header.in: Changed to use new loadfont command.
	
	* util/grub-mkconfig_lib.in: Changed font extension.
This commit is contained in:
chaac 2009-01-02 15:26:06 +00:00
parent 278922e80b
commit 1e901a7573
34 changed files with 2859 additions and 543 deletions

1026
font/font.c Normal file

File diff suppressed because it is too large Load diff

77
font/font_cmd.c Normal file
View file

@ -0,0 +1,77 @@
/* font_cmd.c - Font command definition. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2003,2005,2006,2007,2008,2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/font.h>
#include <grub/dl.h>
#include <grub/normal.h>
#include <grub/misc.h>
static grub_err_t
loadfont_command (struct grub_arg_list *state __attribute__ ((unused)),
int argc,
char **args)
{
if (argc == 0)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "no font specified");
while (argc--)
if (grub_font_load (*args++) != 0)
return GRUB_ERR_BAD_FONT;
return GRUB_ERR_NONE;
}
static grub_err_t
lsfonts_command (struct grub_arg_list *state __attribute__ ((unused)),
int argc __attribute__ ((unused)),
char **args __attribute__ ((unused)))
{
struct grub_font_node *node;
grub_printf ("Loaded fonts:\n");
for (node = grub_font_list; node; node = node->next)
{
grub_font_t font = node->value;
grub_printf ("%s\n", grub_font_get_name (font));
}
return GRUB_ERR_NONE;
}
GRUB_MOD_INIT(font_manager)
{
grub_font_loader_init ();
grub_register_command ("loadfont", loadfont_command, GRUB_COMMAND_FLAG_BOTH,
"loadfont FILE...",
"Specify one or more font files to load.", 0);
grub_register_command ("lsfonts", lsfonts_command, GRUB_COMMAND_FLAG_BOTH,
"lsfonts",
"List the loaded fonts.", 0);
}
GRUB_MOD_FINI(font_manager)
{
/* TODO: Determine way to free allocated resources.
Warning: possible pointer references could be in use. */
grub_unregister_command ("loadfont");
}

View file

@ -1,283 +0,0 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2003,2005,2006,2007 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/file.h>
#include <grub/misc.h>
#include <grub/dl.h>
#include <grub/normal.h>
#include <grub/types.h>
#include <grub/mm.h>
#include <grub/font.h>
#include <grub/bufio.h>
struct entry
{
grub_uint32_t code;
grub_uint32_t offset;
};
struct font
{
struct font *next;
grub_file_t file;
grub_uint32_t num;
struct entry table[0];
};
static struct font *font_list;
/* Fill unknown glyph's with rounded question mark. */
static grub_uint8_t unknown_glyph[16] =
{ /* 76543210 */
0x7C, /* ooooo */
0x82, /* o o */
0xBA, /* o ooo o */
0xAA, /* o o o o */
0xAA, /* o o o o */
0x8A, /* o o o */
0x9A, /* o oo o */
0x92, /* o o o */
0x92, /* o o o */
0x92, /* o o o */
0x92, /* o o o */
0x82, /* o o */
0x92, /* o o o */
0x82, /* o o */
0x7C, /* ooooo */
0x00 /* */
};
static int
add_font (const char *filename)
{
grub_file_t file = 0;
char magic[4];
grub_uint32_t num, i;
struct font *font = 0;
file = grub_buffile_open (filename, 0);
if (! file)
goto fail;
if (grub_file_read (file, magic, 4) != 4)
goto fail;
if (grub_memcmp (magic, GRUB_FONT_MAGIC, 4) != 0)
{
grub_error (GRUB_ERR_BAD_FONT, "invalid font magic");
goto fail;
}
if (grub_file_read (file, (char *) &num, 4) != 4)
goto fail;
num = grub_le_to_cpu32 (num);
font = (struct font *) grub_malloc (sizeof (struct font)
+ sizeof (struct entry) * num);
if (! font)
goto fail;
font->file = file;
font->num = num;
for (i = 0; i < num; i++)
{
grub_uint32_t code, offset;
if (grub_file_read (file, (char *) &code, 4) != 4)
goto fail;
if (grub_file_read (file, (char *) &offset, 4) != 4)
goto fail;
font->table[i].code = grub_le_to_cpu32 (code);
font->table[i].offset = grub_le_to_cpu32 (offset);
}
font->next = font_list;
font_list = font;
return 1;
fail:
if (font)
grub_free (font);
if (file)
grub_file_close (file);
return 0;
}
static void
remove_font (struct font *font)
{
struct font **p, *q;
for (p = &font_list, q = *p; q; p = &(q->next), q = q->next)
if (q == font)
{
*p = q->next;
grub_file_close (font->file);
grub_free (font);
break;
}
}
/* Return the offset of the glyph corresponding to the codepoint CODE
in the font FONT. If no found, return zero. */
static grub_uint32_t
find_glyph (const struct font *font, grub_uint32_t code)
{
grub_uint32_t start = 0;
grub_uint32_t end = font->num - 1;
const struct entry *table = font->table;
/* This shouldn't happen. */
if (font->num == 0)
return 0;
/* Do a binary search. */
while (start <= end)
{
grub_uint32_t i = (start + end) / 2;
if (table[i].code < code)
start = i + 1;
else if (table[i].code > code)
end = i - 1;
else
return table[i].offset;
}
return 0;
}
/* Set the glyph to something stupid. */
static void
fill_with_default_glyph (grub_font_glyph_t glyph)
{
unsigned i;
/* Use pre-defined pattern to fill unknown glyphs. */
for (i = 0; i < 16; i++)
glyph->bitmap[i] = unknown_glyph[i];
glyph->char_width = 1;
glyph->width = glyph->char_width * 8;
glyph->height = 16;
glyph->baseline = (16 * 3) / 4;
}
/* Get a glyph corresponding to the codepoint CODE. Always fill glyph
information with something, even if no glyph is found. */
int
grub_font_get_glyph (grub_uint32_t code,
grub_font_glyph_t glyph)
{
struct font *font;
grub_uint8_t bitmap[32];
/* FIXME: It is necessary to cache glyphs! */
restart:
for (font = font_list; font; font = font->next)
{
grub_uint32_t offset;
offset = find_glyph (font, code);
if (offset)
{
grub_uint32_t w;
int len;
/* Make sure we can find glyphs for error messages. Push active
error message to error stack and reset error message. */
grub_error_push ();
grub_file_seek (font->file, offset);
if ((len = grub_file_read (font->file, (char *) &w, sizeof (w)))
!= sizeof (w))
{
remove_font (font);
goto restart;
}
w = grub_le_to_cpu32 (w);
if (w != 1 && w != 2)
{
/* grub_error (GRUB_ERR_BAD_FONT, "invalid width"); */
remove_font (font);
goto restart;
}
if (grub_file_read (font->file, (char *) bitmap, w * 16)
!= (grub_ssize_t) w * 16)
{
remove_font (font);
goto restart;
}
/* Fill glyph with information. */
grub_memcpy (glyph->bitmap, bitmap, w * 16);
glyph->char_width = w;
glyph->width = glyph->char_width * 8;
glyph->height = 16;
glyph->baseline = (16 * 3) / 4;
/* Restore old error message. */
grub_error_pop ();
return 1;
}
}
/* Uggh... No font was found. */
fill_with_default_glyph (glyph);
return 0;
}
static grub_err_t
font_command (struct grub_arg_list *state __attribute__ ((unused)),
int argc __attribute__ ((unused)),
char **args __attribute__ ((unused)))
{
if (argc == 0)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "no font specified");
while (argc--)
if (! add_font (*args++))
return 1;
return 0;
}
GRUB_MOD_INIT(font_manager)
{
grub_register_command ("font", font_command, GRUB_COMMAND_FLAG_BOTH,
"font FILE...",
"Specify one or more font files to display.", 0);
}
GRUB_MOD_FINI(font_manager)
{
grub_unregister_command ("font");
}