eterm/src/font.h

85 lines
3.2 KiB
C

/* 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) 1997-2000, 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
#define FONT_CMD '#'
#define BIGGER_FONT "#+"
#define SMALLER_FONT "#-"
#define NEXT_FONT(i) do { if (font_idx + ((i)?(i):1) >= font_cnt) {font_idx = font_cnt - 1;} else {font_idx += ((i)?(i):1);} \
while (!etfonts[font_idx]) {if (font_idx == font_cnt) {font_idx--; break;} font_idx++;} } while (0)
#define PREV_FONT(i) do { if (font_idx - ((i)?(i):1) < 0) {font_idx = 0;} else {font_idx -= ((i)?(i):1);} \
while (!etfonts[font_idx]) {if (font_idx == 0) break; font_idx--;} } while (0)
#define DUMP_FONTS() do {unsigned char i; D_FONT(("DUMP_FONTS(): Font count is %u\n", (unsigned int) font_cnt)); \
for (i = 0; i < font_cnt; i++) {D_FONT(("DUMP_FONTS(): Font %u == \"%s\"\n", (unsigned int) i, NONULL(etfonts[i])));}} while (0)
/************ Structures ************/
typedef struct cachefont_struct {
char *name;
unsigned char type;
unsigned char ref_cnt;
union {
XFontStruct *xfontinfo;
} fontinfo;
struct cachefont_struct *next;
} cachefont_t;
/************ Variables ************/
extern unsigned char font_idx, def_font_idx, font_cnt, font_chg;
extern const char *def_fontName[];
extern char *rs_font[NFONTS];
extern char **etfonts, **etmfonts;
# ifdef MULTI_CHARSET
extern const char *def_mfontName[];
extern char *rs_mfont[NFONTS];
# endif
/************ Function Prototypes ************/
_XFUNCPROTOBEGIN
extern void eterm_font_add(char ***plist, const char *fontname, unsigned char idx);
extern void eterm_font_delete(char **flist, unsigned char idx);
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_ */