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Diffstat (limited to 'include/2geom/sbasis-to-bezier.h')
| -rw-r--r-- | include/2geom/sbasis-to-bezier.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/include/2geom/sbasis-to-bezier.h b/include/2geom/sbasis-to-bezier.h new file mode 100644 index 0000000..eadb47b --- /dev/null +++ b/include/2geom/sbasis-to-bezier.h @@ -0,0 +1,87 @@ +/** + * \file + * \brief Conversion between SBasis and Bezier basis polynomials + *//* + * Authors: + * ? <?@?.?> + * + * Copyright ?-? 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 LIB2GEOM_SEEN_SBASIS_TO_BEZIER_H +#define LIB2GEOM_SEEN_SBASIS_TO_BEZIER_H + +#include <2geom/d2.h> +#include <2geom/pathvector.h> + +#include <vector> + +namespace Geom { + +class PathBuilder; + +void sbasis_to_bezier (Bezier &bz, SBasis const &sb, size_t sz = 0); +void sbasis_to_bezier (D2<Bezier> &bz, D2<SBasis> const &sb, size_t sz = 0); +void sbasis_to_bezier (std::vector<Point> & bz, D2<SBasis> const& sb, size_t sz = 0); +void sbasis_to_cubic_bezier (std::vector<Point> & bz, D2<SBasis> const& sb); +void bezier_to_sbasis (SBasis & sb, Bezier const& bz); +void bezier_to_sbasis (D2<SBasis> & sb, std::vector<Point> const& bz); +void build_from_sbasis(PathBuilder &pb, D2<SBasis> const &B, double tol, bool only_cubicbeziers); + +#if 0 +// this produces a degree k bezier from a degree k sbasis +Bezier +sbasis_to_bezier(SBasis const &B, unsigned q = 0); + +// inverse +SBasis bezier_to_sbasis(Bezier const &B); + + +std::vector<Geom::Point> +sbasis_to_bezier(D2<SBasis> const &B, unsigned q = 0); +#endif + + +PathVector path_from_piecewise(Piecewise<D2<SBasis> > const &B, double tol, bool only_cubicbeziers = false); + +Path path_from_sbasis(D2<SBasis> const &B, double tol, bool only_cubicbeziers = false); +inline Path cubicbezierpath_from_sbasis(D2<SBasis> const &B, double tol) + { return path_from_sbasis(B, tol, true); } + +} // end namespace Geom + +#endif +/* + 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:fileencoding=utf-8:textwidth=99 : |