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-rw-r--r--gnu/usr.bin/groff/include/printer.h66
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diff --git a/gnu/usr.bin/groff/include/printer.h b/gnu/usr.bin/groff/include/printer.h
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+// -*- 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, 675 Mass Ave, Cambridge, MA 02139, 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);
+ 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;
+private:
+ font **font_table;
+ int nfonts;
+ font *find_font(const char *);
+ virtual void set_char(int index, font *f, const environment *env,
+ int w) = 0;
+};
+
+printer *make_printer();
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