71 lines
3.2 KiB
C++
71 lines
3.2 KiB
C++
// -*- C++ -*-
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/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
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Written by James Clark (jjc@jclark.com)
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This file is part of groff.
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groff is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2, or (at your option) any later
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version.
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groff is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License along
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with groff; see the file COPYING. If not, write to the Free Software
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Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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class common_output : public output {
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private:
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void dash_line(const position &start, const position &end,
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const line_type <, double dash_width, double gap_width,
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double *offsetp);
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void dash_arc(const position ¢, double rad,
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double start_angle, double end_angle, const line_type <,
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double dash_width, double gap_width, double *offsetp);
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void dot_line(const position &start, const position &end,
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const line_type <, double gap_width, double *offsetp);
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void dot_arc(const position ¢, double rad,
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double start_angle, double end_angle, const line_type <,
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double gap_width, double *offsetp);
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protected:
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virtual void dot(const position &, const line_type &) = 0;
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void dashed_circle(const position &, double rad, const line_type &);
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void dotted_circle(const position &, double rad, const line_type &);
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void dashed_arc(const position &, const position &, const position &,
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const line_type &);
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void dotted_arc(const position &, const position &, const position &,
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const line_type &);
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virtual void solid_arc(const position ¢, double rad, double start_angle,
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double end_angle, const line_type <);
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void dashed_rounded_box(const position &, const distance &, double,
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const line_type &);
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void dotted_rounded_box(const position &, const distance &, double,
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const line_type &);
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void solid_rounded_box(const position &, const distance &, double,
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const line_type &);
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void filled_rounded_box(const position &, const distance &, double, double);
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public:
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void start_picture(double sc, const position &ll, const position &ur) = 0;
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void finish_picture() = 0;
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void circle(const position &, double rad, const line_type &, double) = 0;
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void text(const position &, text_piece *, int, double) = 0;
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void line(const position &, const position *, int n, const line_type &) = 0;
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void polygon(const position *, int n, const line_type &, double) = 0;
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void spline(const position &, const position *, int n,
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const line_type &) = 0;
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void arc(const position &, const position &, const position &,
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const line_type &) = 0;
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void ellipse(const position &, const distance &,
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const line_type &, double) = 0;
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void rounded_box(const position &, const distance &, double,
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const line_type &, double);
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};
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int compute_arc_center(const position &start, const position ¢,
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const position &end, position *result);
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