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| author | Jon A. Cruz <jon@joncruz.org> | 2008-07-04 06:38:30 +0000 |
|---|---|---|
| committer | joncruz <joncruz@users.sourceforge.net> | 2008-07-04 06:38:30 +0000 |
| commit | 97a4fc5999be46ca00af89472361235e854a6d12 (patch) | |
| tree | 6ff9fa52588b06ec94299abed78d1b18bb11690b /src/2geom/ellipse.h | |
| parent | Fixed includes (diff) | |
| download | inkscape-97a4fc5999be46ca00af89472361235e854a6d12.tar.gz inkscape-97a4fc5999be46ca00af89472361235e854a6d12.zip | |
EOL fixup
(bzr r6149)
Diffstat (limited to 'src/2geom/ellipse.h')
| -rw-r--r-- | src/2geom/ellipse.h | 266 |
1 files changed, 133 insertions, 133 deletions
diff --git a/src/2geom/ellipse.h b/src/2geom/ellipse.h index af8b01e78..a10f9ced0 100644 --- a/src/2geom/ellipse.h +++ b/src/2geom/ellipse.h @@ -1,133 +1,133 @@ -/*
- * Ellipse Curve
- *
- * Authors:
- * Marco Cecchetti <mrcekets at gmail.com>
- *
- * Copyright 2008 authors
- *
- * This library is free software; you can redistribute it and/or
- * modify it either under the terms of the GNU Lesser General Public
- * License version 2.1 as published by the Free Software Foundation
- * (the "LGPL") or, at your option, under the terms of the Mozilla
- * Public License Version 1.1 (the "MPL"). If you do not alter this
- * notice, a recipient may use your version of this file under either
- * the MPL or the LGPL.
- *
- * You should have received a copy of the LGPL along with this library
- * in the file COPYING-LGPL-2.1; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- * You should have received a copy of the MPL along with this library
- * in the file COPYING-MPL-1.1
- *
- * The contents of this file are subject to the Mozilla Public License
- * Version 1.1 (the "License"); you may not use this file except in
- * compliance with the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
- * OF ANY KIND, either express or implied. See the LGPL or the MPL for
- * the specific language governing rights and limitations.
- */
-
-
-#ifndef _2GEOM_ELLIPSE_H_
-#define _2GEOM_ELLIPSE_H_
-
-
-#include <2geom/point.h>
-#include <2geom/exception.h>
-
-
-namespace Geom
-{
-
-class SVGEllipticalArc;
-
-class Ellipse
-{
- public:
- Ellipse()
- {}
-
- Ellipse(double cx, double cy, double rx, double ry, double a)
- : m_centre(cx, cy), m_ray(rx, ry), m_angle(a)
- {
- }
-
- // build an ellipse by its implicit equation:
- // Ax^2 + Bxy + Cy^2 + Dx + Ey + F = 0
- Ellipse(double A, double B, double C, double D, double E, double F)
- {
- set(A, B, C, D, E, F);
- }
-
- Ellipse(std::vector<Point> const& points)
- {
- set(points);
- }
-
- void set(double cx, double cy, double rx, double ry, double a)
- {
- m_centre[X] = cx;
- m_centre[Y] = cy;
- m_ray[X] = rx;
- m_ray[Y] = ry;
- m_angle = a;
- }
-
- // build an ellipse by its implicit equation:
- // Ax^2 + Bxy + Cy^2 + Dx + Ey + F = 0
- void set(double A, double B, double C, double D, double E, double F);
-
- // biuld up the best fitting ellipse wrt the passed points
- // prerequisite: at least 5 points must be passed
- void set(std::vector<Point> const& points);
-
- SVGEllipticalArc
- arc(Point const& initial, Point const& inner, Point const& final,
- bool _svg_compliant = true);
-
- Point center() const
- {
- return m_centre;
- }
-
- Coord center(Dim2 d) const
- {
- return m_centre[d];
- }
-
- Coord ray(Dim2 d) const
- {
- return m_ray[d];
- }
-
- Coord rot_angle() const
- {
- return m_angle;
- }
-
- private:
- Point m_centre, m_ray;
- double m_angle;
-};
-
-
-} // end namespace Geom
-
-
-
-#endif // _2GEOM_ELLIPSE_H_
-
-
-/*
- Local Variables:
- mode:c++
- c-file-style:"stroustrup"
- c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
- indent-tabs-mode:nil
- fill-column:99
- End:
-*/
-// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :
+/* + * Ellipse Curve + * + * Authors: + * Marco Cecchetti <mrcekets at gmail.com> + * + * Copyright 2008 authors + * + * This library is free software; you can redistribute it and/or + * modify it either under the terms of the GNU Lesser General Public + * License version 2.1 as published by the Free Software Foundation + * (the "LGPL") or, at your option, under the terms of the Mozilla + * Public License Version 1.1 (the "MPL"). If you do not alter this + * notice, a recipient may use your version of this file under either + * the MPL or the LGPL. + * + * You should have received a copy of the LGPL along with this library + * in the file COPYING-LGPL-2.1; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * You should have received a copy of the MPL along with this library + * in the file COPYING-MPL-1.1 + * + * The contents of this file are subject to the Mozilla Public License + * Version 1.1 (the "License"); you may not use this file except in + * compliance with the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY + * OF ANY KIND, either express or implied. See the LGPL or the MPL for + * the specific language governing rights and limitations. + */ + + +#ifndef _2GEOM_ELLIPSE_H_ +#define _2GEOM_ELLIPSE_H_ + + +#include <2geom/point.h> +#include <2geom/exception.h> + + +namespace Geom +{ + +class SVGEllipticalArc; + +class Ellipse +{ + public: + Ellipse() + {} + + Ellipse(double cx, double cy, double rx, double ry, double a) + : m_centre(cx, cy), m_ray(rx, ry), m_angle(a) + { + } + + // build an ellipse by its implicit equation: + // Ax^2 + Bxy + Cy^2 + Dx + Ey + F = 0 + Ellipse(double A, double B, double C, double D, double E, double F) + { + set(A, B, C, D, E, F); + } + + Ellipse(std::vector<Point> const& points) + { + set(points); + } + + void set(double cx, double cy, double rx, double ry, double a) + { + m_centre[X] = cx; + m_centre[Y] = cy; + m_ray[X] = rx; + m_ray[Y] = ry; + m_angle = a; + } + + // build an ellipse by its implicit equation: + // Ax^2 + Bxy + Cy^2 + Dx + Ey + F = 0 + void set(double A, double B, double C, double D, double E, double F); + + // biuld up the best fitting ellipse wrt the passed points + // prerequisite: at least 5 points must be passed + void set(std::vector<Point> const& points); + + SVGEllipticalArc + arc(Point const& initial, Point const& inner, Point const& final, + bool _svg_compliant = true); + + Point center() const + { + return m_centre; + } + + Coord center(Dim2 d) const + { + return m_centre[d]; + } + + Coord ray(Dim2 d) const + { + return m_ray[d]; + } + + Coord rot_angle() const + { + return m_angle; + } + + private: + Point m_centre, m_ray; + double m_angle; +}; + + +} // end namespace Geom + + + +#endif // _2GEOM_ELLIPSE_H_ + + +/* + Local Variables: + mode:c++ + c-file-style:"stroustrup" + c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +)) + indent-tabs-mode:nil + fill-column:99 + End: +*/ +// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 : |
