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/* font.h -- Eterm font module header file
*
* This file is original work by Michael Jennings <mej@eterm.org> and
* Tuomo Venalainen <vendu@cc.hut.fi>. This file, and any other file
* bearing this same message or a similar one, is distributed under
* the GNU Public License (GPL) as outlined in the COPYING file.
*
* Copyright (C) 1997, Michael Jennings and Tuomo Venalainen
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#ifndef _FONT_H_
#define _FONT_H_
#include <stdio.h>
#include <X11/Xfuncproto.h>
#include <X11/Intrinsic.h> /* Xlib, Xutil, Xresource, Xfuncproto */
/************ Macros and Definitions ************/
#define FONT_TYPE_X (0x01)
#define FONT_TYPE_TTF (0x02)
#define FONT_TYPE_FNLIB (0x03)
#define font_cache_add_ref(font) ((font)->ref_cnt++)
# define NFONTS 5
/* special (internal) prefix for font commands */
# define FONT_CMD '#'
# define FONT_DN "#-"
# define FONT_UP "#+"
#if (FONT0_IDX == 0)
# define IDX2FNUM(i) (i)
# define FNUM2IDX(f) (f)
#else
# define IDX2FNUM(i) (i == 0? FONT0_IDX : (i <= FONT0_IDX? (i-1) : i))
# define FNUM2IDX(f) (f == FONT0_IDX ? 0 : (f < FONT0_IDX ? (f+1) : f))
#endif
#define FNUM_RANGE(i) (i <= 0 ? 0 : (i >= NFONTS ? (NFONTS-1) : i))
/************ Structures ************/
typedef struct font_struct {
char *name;
unsigned char type;
unsigned char ref_cnt;
union {
XFontStruct *xfontinfo;
} fontinfo;
struct font_struct *next;
} etfont_t;
/************ Variables ************/
extern unsigned char font_change_count;
extern const char *def_fontName[];
extern char *rs_font[NFONTS];
# ifdef MULTI_CHARSET
extern const char *def_mfontName[];
extern char *rs_mfont[NFONTS];
# endif
/************ Function Prototypes ************/
_XFUNCPROTOBEGIN
extern void *load_font(const char *, const char *, unsigned char);
extern void free_font(const void *);
extern void change_font(int, const char *);
_XFUNCPROTOEND
#endif /* _FONT_H_ */
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