2 /* Copyright (C) 1989, 1990, 1991, 1992, 1993, 2003
3 Free Software Foundation, Inc.
4 Written by James Clark (jjc@jclark.com)
6 This file is part of groff.
8 groff is free software; you can redistribute it and/or modify it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation; either version 2, or (at your option) any later
13 groff is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 You should have received a copy of the GNU General Public License along
19 with groff; see the file COPYING. If not, write to the Free Software
20 Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */
22 class common_output : public output {
24 void dash_line(const position &start, const position &end,
25 const line_type <, double dash_width, double gap_width,
27 void dash_arc(const position ¢, double rad,
28 double start_angle, double end_angle, const line_type <,
29 double dash_width, double gap_width, double *offsetp);
30 void dot_line(const position &start, const position &end,
31 const line_type <, double gap_width, double *offsetp);
32 void dot_arc(const position ¢, double rad,
33 double start_angle, double end_angle, const line_type <,
34 double gap_width, double *offsetp);
36 virtual void dot(const position &, const line_type &) = 0;
37 void ellipse_arc(const position &, const position &,
38 const position &, const distance &,
40 void dashed_circle(const position &, double rad, const line_type &);
41 void dotted_circle(const position &, double rad, const line_type &);
42 void dashed_ellipse(const position &, const distance &, const line_type &);
43 void dotted_ellipse(const position &, const distance &, const line_type &);
44 void dashed_arc(const position &, const position &, const position &,
46 void dotted_arc(const position &, const position &, const position &,
48 virtual void solid_arc(const position ¢, double rad, double start_angle,
49 double end_angle, const line_type <);
50 void dashed_rounded_box(const position &, const distance &, double,
52 void dotted_rounded_box(const position &, const distance &, double,
54 void solid_rounded_box(const position &, const distance &, double,
56 void filled_rounded_box(const position &, const distance &, double, double);
58 void start_picture(double sc, const position &ll, const position &ur) = 0;
59 void finish_picture() = 0;
60 void circle(const position &, double rad, const line_type &, double) = 0;
61 void text(const position &, text_piece *, int, double) = 0;
62 void line(const position &, const position *, int n, const line_type &) = 0;
63 void polygon(const position *, int n, const line_type &, double) = 0;
64 void spline(const position &, const position *, int n,
65 const line_type &) = 0;
66 void arc(const position &, const position &, const position &,
67 const line_type &) = 0;
68 void ellipse(const position &, const distance &,
69 const line_type &, double) = 0;
70 void rounded_box(const position &, const distance &, double,
71 const line_type &, double);
72 void set_color(char *, char *) = 0;
73 void reset_color() = 0;
74 char *get_last_filled() = 0;
75 char *get_outline_color() = 0;
78 int compute_arc_center(const position &start, const position ¢,
79 const position &end, position *result);