mirror of
https://github.com/freebsd/freebsd-src
synced 2024-09-29 13:15:05 +00:00
117 lines
3.4 KiB
C++
117 lines
3.4 KiB
C++
// -*- C++ -*-
|
|
/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
|
|
Written by James Clark (jjc@jclark.com)
|
|
|
|
This file is part of groff.
|
|
|
|
groff 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, or (at your option) any later
|
|
version.
|
|
|
|
groff 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 groff; see the file COPYING. If not, write to the Free Software
|
|
Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|
|
|
typedef void (*FONT_COMMAND_HANDLER)(const char *, const char *,
|
|
const char *, int);
|
|
|
|
struct font_kern_list;
|
|
struct font_char_metric;
|
|
struct font_widths_cache;
|
|
|
|
class font {
|
|
public:
|
|
enum {
|
|
LIG_ff = 1,
|
|
LIG_fi = 2,
|
|
LIG_fl = 4,
|
|
LIG_ffi = 8,
|
|
LIG_ffl = 16
|
|
};
|
|
|
|
virtual ~font();
|
|
int contains(int index);
|
|
int is_special();
|
|
int get_width(int index, int point_size);
|
|
int get_height(int index, int point_size);
|
|
int get_depth(int index, int point_size);
|
|
int get_space_width(int point_size);
|
|
int get_character_type(int index);
|
|
int get_kern(int index1, int index2, int point_size);
|
|
int get_skew(int index, int point_size, int slant);
|
|
int has_ligature(int);
|
|
int get_italic_correction(int index, int point_size);
|
|
int get_left_italic_correction(int index, int point_size);
|
|
int get_subscript_correction(int index, int point_size);
|
|
int get_code(int i);
|
|
const char *get_special_device_encoding(int index);
|
|
const char *get_name();
|
|
const char *get_internal_name();
|
|
|
|
static font *load_font(const char *, int *not_found = 0);
|
|
static void command_line_font_dir(const char *path);
|
|
static FILE *open_file(const char *name, char **pathp);
|
|
static int load_desc();
|
|
static int name_to_index(const char *);
|
|
static int number_to_index(int);
|
|
static FONT_COMMAND_HANDLER
|
|
set_unknown_desc_command_handler(FONT_COMMAND_HANDLER);
|
|
|
|
static int res;
|
|
static int hor;
|
|
static int vert;
|
|
static int unitwidth;
|
|
static int paperwidth;
|
|
static int paperlength;
|
|
static int biggestfont;
|
|
static int spare2;
|
|
static int sizescale;
|
|
static int tcommand;
|
|
static int pass_filenames;
|
|
static int use_charnames_in_special;
|
|
|
|
static const char **font_name_table;
|
|
static const char **style_table;
|
|
static const char *family;
|
|
static int *sizes;
|
|
private:
|
|
unsigned ligatures;
|
|
font_kern_list **kern_hash_table;
|
|
int space_width;
|
|
short *ch_index;
|
|
int nindices;
|
|
font_char_metric *ch;
|
|
int ch_used;
|
|
int ch_size;
|
|
int special;
|
|
char *name;
|
|
char *internalname;
|
|
double slant;
|
|
font_widths_cache *widths_cache;
|
|
static FONT_COMMAND_HANDLER unknown_desc_command_handler;
|
|
|
|
enum { KERN_HASH_TABLE_SIZE = 503 };
|
|
|
|
void add_entry(int index, const font_char_metric &);
|
|
void copy_entry(int new_index, int old_index);
|
|
void add_kern(int index1, int index2, int amount);
|
|
static int hash_kern(int i1, int i2);
|
|
void alloc_ch_index(int);
|
|
void extend_ch();
|
|
void compact();
|
|
|
|
static int scale(int w, int pointsize);
|
|
virtual void handle_unknown_font_command(const char *command,
|
|
const char *arg,
|
|
const char *file, int lineno);
|
|
protected:
|
|
font(const char *);
|
|
int load(int *not_found = 0);
|
|
};
|