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/*
* Copyright (C) 1997-2009, Michael Jennings
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies of the Software, its documentation and marketing & publicity
* materials, and acknowledgment shall be given in the documentation, materials
* and software packages that this Software was used.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#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 "#-"
/* These are subscripts for the arrays in a fontshadow_t */
#define SHADOW_TOP_LEFT 0
#define SHADOW_TOP_RIGHT 1
#define SHADOW_BOTTOM_LEFT 2
#define SHADOW_BOTTOM_RIGHT 3
/* The macros are used to advance to the next/previous font as with Ctrl-> and Ctrl-< */
#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; /* Font name in canonical format */
unsigned char type; /* Font type (FONT_TYPE_* from above */
unsigned char ref_cnt; /* Reference count */
union {
/* This union will eventually have members for TTF/Fnlib fonts */
XFontStruct *xfontinfo;
} fontinfo;
struct cachefont_struct *next;
} cachefont_t;
typedef struct fontshadow_struct {
Pixel color[4];
unsigned char shadow[4];
unsigned char do_shadow;
} fontshadow_t;
/************ Variables ************/
extern unsigned char font_idx, font_cnt, font_chg;
extern int def_font_idx;
extern const char *def_fontName[];
extern char *rs_font[NFONTS];
extern char **etfonts, **etmfonts;
extern fontshadow_t fshadow;
# 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 eterm_font_list_clear(void);
extern void font_cache_clear(void);
extern void *load_font(const char *, const char *, unsigned char);
extern void free_font(const void *);
extern void change_font(int, const char *);
extern const char *get_font_name(void *);
extern void set_shadow_color_by_name(unsigned char, const char *);
extern void set_shadow_color_by_pixel(unsigned char, Pixel);
extern unsigned char parse_font_fx(char *line);
_XFUNCPROTOEND
#endif /* _FONT_H_ */