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// -*- C++ -*-
/* Copyright (C) 1989, 1990, 1991, 1992, 2001 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. */
struct environment {
int fontno;
int size;
int hpos;
int vpos;
int height;
int slant;
};
struct font;
struct font_pointer_list {
font *p;
font_pointer_list *next;
font_pointer_list(font *, font_pointer_list *);
};
class printer {
public:
printer();
virtual ~printer();
void load_font(int i, const char *name);
void set_ascii_char(unsigned char c, const environment *env,
int *widthp = 0);
void set_special_char(const char *nm, const environment *env,
int *widthp = 0);
void set_numbered_char(int n, const environment *env, int *widthp = 0);
int set_char_and_width(const char *nm, const environment *env,
int *widthp, font **f);
font *get_font_from_index(int fontno);
virtual void draw(int code, int *p, int np, const environment *env);
virtual void begin_page(int) = 0;
virtual void end_page(int page_length) = 0;
virtual font *make_font(const char *nm);
virtual void end_of_line();
virtual void special(char *arg, const environment *env);
static int adjust_arc_center(const int *, double *);
protected:
font_pointer_list *font_list;
// information about named characters
int is_char_named;
int is_named_set;
char named_command;
const char *named_char_s;
int named_char_n;
private:
font **font_table;
int nfonts;
font *find_font(const char *);
virtual void set_char(int index, font *f, const environment *env,
int w, const char *name) = 0;
};
printer *make_printer();
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