ellipse.h revision 8001ba81cb851b38d86650a2fef5817facffb763
69879b63ae4fb3da90263808c133a39ed2b770f8glimmer * Ellipse Curve
69879b63ae4fb3da90263808c133a39ed2b770f8glimmer * Marco Cecchetti <mrcekets at gmail.com>
69879b63ae4fb3da90263808c133a39ed2b770f8glimmer * Copyright 2008 authors
69879b63ae4fb3da90263808c133a39ed2b770f8glimmer * This library is free software; you can redistribute it and/or
69879b63ae4fb3da90263808c133a39ed2b770f8glimmer * modify it either under the terms of the GNU Lesser General Public
69879b63ae4fb3da90263808c133a39ed2b770f8glimmer * License version 2.1 as published by the Free Software Foundation
69879b63ae4fb3da90263808c133a39ed2b770f8glimmer * (the "LGPL") or, at your option, under the terms of the Mozilla
69879b63ae4fb3da90263808c133a39ed2b770f8glimmer * Public License Version 1.1 (the "MPL"). If you do not alter this
69879b63ae4fb3da90263808c133a39ed2b770f8glimmer * notice, a recipient may use your version of this file under either
69879b63ae4fb3da90263808c133a39ed2b770f8glimmer * the MPL or the LGPL.
69879b63ae4fb3da90263808c133a39ed2b770f8glimmer * You should have received a copy of the LGPL along with this library
c596be6d145df956e779f427dde5aabc8559dd6cglimmer * in the file COPYING-LGPL-2.1; if not, write to the Free Software
c596be6d145df956e779f427dde5aabc8559dd6cglimmer * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
c596be6d145df956e779f427dde5aabc8559dd6cglimmer * You should have received a copy of the MPL along with this library
c596be6d145df956e779f427dde5aabc8559dd6cglimmer * in the file COPYING-MPL-1.1
c596be6d145df956e779f427dde5aabc8559dd6cglimmer * The contents of this file are subject to the Mozilla Public License
c596be6d145df956e779f427dde5aabc8559dd6cglimmer * Version 1.1 (the "License"); you may not use this file except in
c596be6d145df956e779f427dde5aabc8559dd6cglimmer * compliance with the License. You may obtain a copy of the License at
c596be6d145df956e779f427dde5aabc8559dd6cglimmer * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
c596be6d145df956e779f427dde5aabc8559dd6cglimmer * OF ANY KIND, either express or implied. See the LGPL or the MPL for
c596be6d145df956e779f427dde5aabc8559dd6cglimmer * the specific language governing rights and limitations.
c596be6d145df956e779f427dde5aabc8559dd6cglimmer Ellipse(double cx, double cy, double rx, double ry, double a)
c596be6d145df956e779f427dde5aabc8559dd6cglimmer // build an ellipse by its implicit equation:
c596be6d145df956e779f427dde5aabc8559dd6cglimmer // Ax^2 + Bxy + Cy^2 + Dx + Ey + F = 0
c596be6d145df956e779f427dde5aabc8559dd6cglimmer Ellipse(double A, double B, double C, double D, double E, double F)
c596be6d145df956e779f427dde5aabc8559dd6cglimmer set(A, B, C, D, E, F);
c596be6d145df956e779f427dde5aabc8559dd6cglimmer void set(double cx, double cy, double rx, double ry, double a)
c596be6d145df956e779f427dde5aabc8559dd6cglimmer // build an ellipse by its implicit equation:
c596be6d145df956e779f427dde5aabc8559dd6cglimmer // Ax^2 + Bxy + Cy^2 + Dx + Ey + F = 0
c596be6d145df956e779f427dde5aabc8559dd6cglimmer void set(double A, double B, double C, double D, double E, double F);
c596be6d145df956e779f427dde5aabc8559dd6cglimmer // biuld up the best fitting ellipse wrt the passed points
c596be6d145df956e779f427dde5aabc8559dd6cglimmer // prerequisite: at least 5 points must be passed
c596be6d145df956e779f427dde5aabc8559dd6cglimmer arc(Point const& initial, Point const& inner, Point const& final,
c596be6d145df956e779f427dde5aabc8559dd6cglimmer} // end namespace Geom
c596be6d145df956e779f427dde5aabc8559dd6cglimmer#endif // _2GEOM_ELLIPSE_H_
c596be6d145df956e779f427dde5aabc8559dd6cglimmer Local Variables:
c596be6d145df956e779f427dde5aabc8559dd6cglimmer c-file-style:"stroustrup"
c596be6d145df956e779f427dde5aabc8559dd6cglimmer c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
c596be6d145df956e779f427dde5aabc8559dd6cglimmer indent-tabs-mode:nil