projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| e79d4cdd WJ |
1 | // -*- C++ -*- |
| 2 | /* Copyright (C) 1989, 1990 Free Software Foundation, Inc. | |
| 3 | Written by James Clark (jjc@jclark.uucp) | |
| 4 | ||
| 5 | This file is part of groff. | |
| 6 | ||
| 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 1, or (at your option) any later | |
| 10 | version. | |
| 11 | ||
| 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 | |
| 15 | for more details. | |
| 16 | ||
| 17 | You should have received a copy of the GNU General Public License along | |
| 18 | with groff; see the file LICENSE. If not, write to the Free Software | |
| 19 | Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
| 20 | ||
| 21 | class common_output : public output { | |
| 22 | private: | |
| 23 | void dash_line(const position &start, const position &end, | |
| 24 | const line_type <, double dash_width, double gap_width, | |
| 25 | double *offsetp); | |
| 26 | void dash_arc(const position ¢, double rad, | |
| 27 | double start_angle, double end_angle, const line_type <, | |
| 28 | double dash_width, double gap_width, double *offsetp); | |
| 29 | void dot_line(const position &start, const position &end, | |
| 30 | const line_type <, double gap_width, double *offsetp); | |
| 31 | void dot_arc(const position ¢, double rad, | |
| 32 | double start_angle, double end_angle, const line_type <, | |
| 33 | double gap_width, double *offsetp); | |
| 34 | protected: | |
| 35 | virtual void dot(const position &, const line_type &) = 0; | |
| 36 | void dashed_circle(const position &, double rad, const line_type &); | |
| 37 | void dotted_circle(const position &, double rad, const line_type &); | |
| 38 | void dashed_arc(const position &, const position &, const position &, | |
| 39 | const line_type &); | |
| 40 | void dotted_arc(const position &, const position &, const position &, | |
| 41 | const line_type &); | |
| 42 | virtual void solid_arc(const position ¢, double rad, double start_angle, | |
| 43 | double end_angle, const line_type <); | |
| 44 | void dashed_rounded_box(const position &, const distance &, double, | |
| 45 | const line_type &); | |
| 46 | void dotted_rounded_box(const position &, const distance &, double, | |
| 47 | const line_type &); | |
| 48 | void solid_rounded_box(const position &, const distance &, double, | |
| 49 | const line_type &); | |
| 50 | void filled_rounded_box(const position &, const distance &, double, double); | |
| 51 | public: | |
| 52 | void start_picture(double sc, const position &ll, const position &ur) = 0; | |
| 53 | void finish_picture() = 0; | |
| 54 | void circle(const position &, double rad, const line_type &, double) = 0; | |
| 55 | void text(const position &, text_piece *, int, double) = 0; | |
| 56 | void line(const position &, const position *, int n, const line_type &) = 0; | |
| 57 | void polygon(const position *, int n, const line_type &, double) = 0; | |
| 58 | void spline(const position &, const position *, int n, | |
| 59 | const line_type &) = 0; | |
| 60 | void arc(const position &, const position &, const position &, | |
| 61 | const line_type &) = 0; | |
| 62 | void ellipse(const position &, const distance &, | |
| 63 | const line_type &, double) = 0; | |
| 64 | void rounded_box(const position &, const distance &, double, | |
| 65 | const line_type &, double); | |
| 66 | }; | |
| 67 | ||
| 68 | int compute_arc_center(const position &start, const position ¢, | |
| 69 | const position &end, position *result); | |
| 70 |