103 lines
4.2 KiB
C
103 lines
4.2 KiB
C
/*
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* Copyright (C) 1997-2000, Michael Jennings
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies of the Software, its documentation and marketing & publicity
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* materials, and acknowledgment shall be given in the documentation, materials
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* and software packages that this Software was used.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef _FONT_H_
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#define _FONT_H_
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#include <stdio.h>
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#include <X11/Xfuncproto.h>
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#include <X11/Intrinsic.h> /* Xlib, Xutil, Xresource, Xfuncproto */
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/************ Macros and Definitions ************/
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#define FONT_TYPE_X (0x01)
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#define FONT_TYPE_TTF (0x02)
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#define FONT_TYPE_FNLIB (0x03)
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#define font_cache_add_ref(font) ((font)->ref_cnt++)
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#define NFONTS 5
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#define FONT_CMD '#'
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#define BIGGER_FONT "#+"
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#define SMALLER_FONT "#-"
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/* These are subscripts for the arrays in a fontshadow_t */
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#define SHADOW_TOP_LEFT 0
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#define SHADOW_TOP_RIGHT 1
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#define SHADOW_BOTTOM_LEFT 2
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#define SHADOW_BOTTOM_RIGHT 3
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/* The macros are used to advance to the next/previous font as with Ctrl-> and Ctrl-< */
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#define NEXT_FONT(i) do { if (font_idx + ((i)?(i):1) >= font_cnt) {font_idx = font_cnt - 1;} else {font_idx += ((i)?(i):1);} \
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while (!etfonts[font_idx]) {if (font_idx == font_cnt) {font_idx--; break;} font_idx++;} } while (0)
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#define PREV_FONT(i) do { if (font_idx - ((i)?(i):1) < 0) {font_idx = 0;} else {font_idx -= ((i)?(i):1);} \
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while (!etfonts[font_idx]) {if (font_idx == 0) break; font_idx--;} } while (0)
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#define DUMP_FONTS() do {unsigned char i; D_FONT(("DUMP_FONTS(): Font count is %u\n", (unsigned int) font_cnt)); \
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for (i = 0; i < font_cnt; i++) {D_FONT(("DUMP_FONTS(): Font %u == \"%s\"\n", (unsigned int) i, NONULL(etfonts[i])));}} while (0)
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/************ Structures ************/
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typedef struct cachefont_struct {
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char *name; /* Font name in canonical format */
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unsigned char type; /* Font type (FONT_TYPE_* from above */
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unsigned char ref_cnt; /* Reference count */
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union {
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/* This union will eventually have members for TTF/Fnlib fonts */
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XFontStruct *xfontinfo;
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} fontinfo;
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struct cachefont_struct *next;
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} cachefont_t;
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typedef struct fontshadow_struct {
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Pixel color[4];
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unsigned char shadow[4];
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unsigned char do_shadow;
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} fontshadow_t;
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/************ Variables ************/
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extern unsigned char font_idx, def_font_idx, font_cnt, font_chg;
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extern const char *def_fontName[];
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extern char *rs_font[NFONTS];
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extern char **etfonts, **etmfonts;
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extern fontshadow_t fshadow;
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# ifdef MULTI_CHARSET
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extern const char *def_mfontName[];
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extern char *rs_mfont[NFONTS];
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# endif
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/************ Function Prototypes ************/
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_XFUNCPROTOBEGIN
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extern void eterm_font_add(char ***plist, const char *fontname, unsigned char idx);
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extern void eterm_font_delete(char **flist, unsigned char idx);
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extern void eterm_font_list_clear(void);
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extern void font_cache_clear(void);
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extern void *load_font(const char *, const char *, unsigned char);
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extern void free_font(const void *);
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extern void change_font(int, const char *);
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extern void set_shadow_color_by_name(unsigned char, const char *);
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extern void set_shadow_color_by_pixel(unsigned char, Pixel);
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extern unsigned char parse_font_fx(const char *line);
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_XFUNCPROTOEND
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#endif /* _FONT_H_ */
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