1 /* $NetBSD: common.h,v 1.1.1.1 2016/01/13 18:41:48 christos Exp $ */ 2 3 // -*- C++ -*- 4 /* Copyright (C) 1989, 1990, 1991, 1992, 1993, 2003 5 Free Software Foundation, Inc. 6 Written by James Clark (jjc@jclark.com) 7 8 This file is part of groff. 9 10 groff is free software; you can redistribute it and/or modify it under 11 the terms of the GNU General Public License as published by the Free 12 Software Foundation; either version 2, or (at your option) any later 13 version. 14 15 groff is distributed in the hope that it will be useful, but WITHOUT ANY 16 WARRANTY; without even the implied warranty of MERCHANTABILITY or 17 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 18 for more details. 19 20 You should have received a copy of the GNU General Public License along 21 with groff; see the file COPYING. If not, write to the Free Software 22 Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */ 23 24 class common_output : public output { 25 private: 26 void dash_line(const position &start, const position &end, 27 const line_type <, double dash_width, double gap_width, 28 double *offsetp); 29 void dash_arc(const position ¢, double rad, 30 double start_angle, double end_angle, const line_type <, 31 double dash_width, double gap_width, double *offsetp); 32 void dot_line(const position &start, const position &end, 33 const line_type <, double gap_width, double *offsetp); 34 void dot_arc(const position ¢, double rad, 35 double start_angle, double end_angle, const line_type <, 36 double gap_width, double *offsetp); 37 protected: 38 virtual void dot(const position &, const line_type &) = 0; 39 void ellipse_arc(const position &, const position &, 40 const position &, const distance &, 41 const line_type &); 42 void dashed_circle(const position &, double rad, const line_type &); 43 void dotted_circle(const position &, double rad, const line_type &); 44 void dashed_ellipse(const position &, const distance &, const line_type &); 45 void dotted_ellipse(const position &, const distance &, const line_type &); 46 void dashed_arc(const position &, const position &, const position &, 47 const line_type &); 48 void dotted_arc(const position &, const position &, const position &, 49 const line_type &); 50 virtual void solid_arc(const position ¢, double rad, double start_angle, 51 double end_angle, const line_type <); 52 void dashed_rounded_box(const position &, const distance &, double, 53 const line_type &); 54 void dotted_rounded_box(const position &, const distance &, double, 55 const line_type &); 56 void solid_rounded_box(const position &, const distance &, double, 57 const line_type &); 58 void filled_rounded_box(const position &, const distance &, double, double); 59 public: 60 void start_picture(double sc, const position &ll, const position &ur) = 0; 61 void finish_picture() = 0; 62 void circle(const position &, double rad, const line_type &, double) = 0; 63 void text(const position &, text_piece *, int, double) = 0; 64 void line(const position &, const position *, int n, const line_type &) = 0; 65 void polygon(const position *, int n, const line_type &, double) = 0; 66 void spline(const position &, const position *, int n, 67 const line_type &) = 0; 68 void arc(const position &, const position &, const position &, 69 const line_type &) = 0; 70 void ellipse(const position &, const distance &, 71 const line_type &, double) = 0; 72 void rounded_box(const position &, const distance &, double, 73 const line_type &, double); 74 void set_color(char *, char *) = 0; 75 void reset_color() = 0; 76 char *get_last_filled() = 0; 77 char *get_outline_color() = 0; 78 }; 79 80 int compute_arc_center(const position &start, const position ¢, 81 const position &end, position *result); 82 83