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* \brief Various geometrical calculations
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* Nathan Hurst <njh@mail.csse.monash.edu.au>
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* Copyright (C) 1999-2002 authors
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* This library is free software; you can redistribute it and/or
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* modify it either under the terms of the GNU Lesser General Public
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* License version 2.1 as published by the Free Software Foundation
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* (the "LGPL") or, at your option, under the terms of the Mozilla
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* Public License Version 1.1 (the "MPL"). If you do not alter this
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* notice, a recipient may use your version of this file under either
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* the MPL or the LGPL.
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* You should have received a copy of the LGPL along with this library
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* in the file COPYING-LGPL-2.1; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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* You should have received a copy of the MPL along with this library
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* in the file COPYING-MPL-1.1
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* The contents of this file are subject to the Mozilla Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
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* OF ANY KIND, either express or implied. See the LGPL or the MPL for
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* the specific language governing rights and limitations.
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#ifndef LIB2GEOM_SEEN_GEOM_H
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#define LIB2GEOM_SEEN_GEOM_H
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//TODO: move somewhere else
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enum IntersectorKind {
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intersector_ccw(const Geom::Point& p0, const Geom::Point& p1,
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const Geom::Point& p2);
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line_intersection(Geom::Point const &n0, double const d0,
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Geom::Point const &n1, double const d1,
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segment_intersect(Geom::Point const &p00, Geom::Point const &p01,
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Geom::Point const &p10, Geom::Point const &p11,
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line_twopoint_intersect(Geom::Point const &p00, Geom::Point const &p01,
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Geom::Point const &p10, Geom::Point const &p11,
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int centroid(std::vector<Geom::Point> p, Geom::Point& centroid, double &area);