2 /* Copyright (C) 1989-2014 Free Software Foundation, Inc.
3 Written by James Clark (jjc@jclark.com)
5 This file is part of groff.
7 groff is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
12 groff is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
21 enum { invisible, solid, dotted, dashed } type;
23 double thickness; // the thickness is in points
32 double desired_height; // zero if no height specified
33 double desired_width; // zero if no depth specified
34 double compute_scale(double, const position &, const position &);
38 void set_desired_width_height(double wid, double ht);
39 void set_args(const char *);
40 virtual void start_picture(double sc, const position &ll, const position &ur) = 0;
41 virtual void finish_picture() = 0;
42 virtual void circle(const position &, double rad,
43 const line_type &, double) = 0;
44 virtual void text(const position &, text_piece *, int, double) = 0;
45 virtual void line(const position &, const position *, int n,
46 const line_type &) = 0;
47 virtual void polygon(const position *, int n,
48 const line_type &, double) = 0;
49 virtual void spline(const position &, const position *, int n,
50 const line_type &) = 0;
51 virtual void arc(const position &, const position &, const position &,
52 const line_type &) = 0;
53 virtual void ellipse(const position &, const distance &,
54 const line_type &, double) = 0;
55 virtual void rounded_box(const position &, const distance &, double,
56 const line_type &, double, char *) = 0;
57 virtual void command(const char *, const char *, int) = 0;
58 virtual void set_location(const char *, int) {}
59 virtual void set_color(char *, char *) = 0;
60 virtual void reset_color() = 0;
61 virtual char *get_last_filled() = 0;
62 virtual char *get_outline_color() = 0;
63 virtual int supports_filled_polygons();
64 virtual void begin_block(const position &ll, const position &ur);
65 virtual void end_block();
70 /* #define FIG_SUPPORT 1 */
73 output *make_troff_output();
76 output *make_tex_output();
77 output *make_tpic_output();
78 #endif /* TEX_SUPPORT */
81 output *make_fig_output();
82 #endif /* FIG_SUPPORT */