rockbox/firmware/ajf.h
Björn Stenberg dd7d695153 Forgot to add the new files
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@1668 a1c6a512-1295-4272-9138-f99709370657
2002-08-11 09:22:40 +00:00

52 lines
2.1 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Alex Gitelman
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef __AJF__
#define __AJF__
/* defined here because they are used by tools/bdf2ajz */
#define MAGIC1 0xBD
#define MAGIC2 0xFC
#define MAX_FONT_BUFLEN 4096
#define CODE_PAGE_OFFSET 2 /* 1 byte TODO: unused now */
#define FONT_NAME_OFFSET 3
#define FONT_NAME_LEN 32
#define MAX_WIDTH_OFFSET (FONT_NAME_OFFSET + FONT_NAME_LEN) /* 2 byte */
#define HEIGHT_OFFSET (MAX_WIDTH_OFFSET + 2) /* 2 byte */
#define ASCENT_OFFSET (HEIGHT_OFFSET+2) /* 2 byte ascent (baseline) height*/
#define FIRST_CHAR_OFFSET (HEIGHT_OFFSET+2) /* 2 bytes first character of font*/
#define SIZE_OFFSET (FIRST_CHAR_OFFSET+2) /* 2 bytes size of font (# encodings)*/
#define LOOKUP_MAP_OFFSET SIZE_OFFSET+2 /* Map to lookup char positions */
#define WRITE_SHORT(s,buf) { (buf)[0] = (s & 0xff00) >> 8 ; \
(buf)[1] = s & 0x00ff; }
#define READ_SHORT(buf) (((buf)[0]<<8) + (buf)[1])
unsigned char* ajf_read_font(char* fname);
unsigned char* ajf_get_charbuf(unsigned char c, unsigned char* font,
int *width, int *height);
void ajf_get_charsize(unsigned char c, unsigned char* font,
int *width, int *height);
int ajf_get_fontheight(unsigned char* font);
extern char _font_error_msg[];
#endif