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/>. */
20 class common_output : public output {
22 void dash_line(const position &start, const position &end,
23 const line_type <, double dash_width, double gap_width,
25 void dash_arc(const position ¢, double rad,
26 double start_angle, double end_angle, const line_type <,
27 double dash_width, double gap_width, double *offsetp);
28 void dot_line(const position &start, const position &end,
29 const line_type <, double gap_width, double *offsetp);
30 void dot_arc(const position ¢, double rad,
31 double start_angle, double end_angle, const line_type <,
32 double gap_width, double *offsetp);
34 virtual void dot(const position &, const line_type &) = 0;
35 void ellipse_arc(const position &, const position &,
36 const position &, const distance &,
38 void dashed_circle(const position &, double rad, const line_type &);
39 void dotted_circle(const position &, double rad, const line_type &);
40 void dashed_ellipse(const position &, const distance &, const line_type &);
41 void dotted_ellipse(const position &, const distance &, const line_type &);
42 void dashed_arc(const position &, const position &, const position &,
44 void dotted_arc(const position &, const position &, const position &,
46 virtual void solid_arc(const position ¢, double rad, double start_angle,
47 double end_angle, const line_type <);
48 void dashed_rounded_box(const position &, const distance &, double,
50 void dotted_rounded_box(const position &, const distance &, double,
52 void solid_rounded_box(const position &, const distance &, double,
54 void filled_rounded_box(const position &, const distance &, double,
57 void start_picture(double sc, const position &ll, const position &ur) = 0;
58 void finish_picture() = 0;
59 void circle(const position &, double rad, const line_type &, double) = 0;
60 void text(const position &, text_piece *, int, double) = 0;
61 void line(const position &, const position *, int n, const line_type &) = 0;
62 void polygon(const position *, int n, const line_type &, double) = 0;
63 void spline(const position &, const position *, int n,
64 const line_type &) = 0;
65 void arc(const position &, const position &, const position &,
66 const line_type &) = 0;
67 void ellipse(const position &, const distance &,
68 const line_type &, double) = 0;
69 void rounded_box(const position &, const distance &, double,
70 const line_type &, double, char *);
71 void set_color(char *, char *) = 0;
72 void reset_color() = 0;
73 char *get_last_filled() = 0;
74 char *get_outline_color() = 0;
77 int compute_arc_center(const position &start, const position ¢,
78 const position &end, position *result);