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Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-1.10/src/Bezier.h')
| -rw-r--r-- | Build/source/texk/dvisvgm/dvisvgm-1.10/src/Bezier.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-1.10/src/Bezier.h b/Build/source/texk/dvisvgm/dvisvgm-1.10/src/Bezier.h new file mode 100644 index 00000000000..dcb6ee393c6 --- /dev/null +++ b/Build/source/texk/dvisvgm/dvisvgm-1.10/src/Bezier.h @@ -0,0 +1,52 @@ +/************************************************************************* +** Bezier.h ** +** ** +** This file is part of dvisvgm -- the DVI to SVG converter ** +** Copyright (C) 2005-2015 Martin Gieseking <martin.gieseking@uos.de> ** +** ** +** This program is free software; you can redistribute it and/or ** +** modify it under the terms of the GNU General Public License as ** +** published by the Free Software Foundation; either version 3 of ** +** the License, or (at your option) any later version. ** +** ** +** This program is distributed in the hope that it will be useful, but ** +** WITHOUT ANY WARRANTY; without even the implied warranty of ** +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ** +** GNU General Public License for more details. ** +** ** +** You should have received a copy of the GNU General Public License ** +** along with this program; if not, see <http://www.gnu.org/licenses/>. ** +*************************************************************************/ + +#ifndef DVISVGM_BEZIER_H +#define DVISVGM_BEZIER_H + +#include <vector> +#include "BoundingBox.h" +#include "Pair.h" + +class Bezier +{ + public: + Bezier (); + Bezier (const DPair &p0, const DPair &p1, const DPair &p2); + Bezier (const DPair &p0, const DPair &p1, const DPair &p2, const DPair &p3); + Bezier (const Bezier &source, double t0, double t1); + void setPoints (const DPair &p0, const DPair &p1, const DPair &p2, const DPair &p3); + void reverse (); + DPair valueAt (double t) const; + DPair blossomValue (double u, double v, double w) const; + void subdivide (double t, Bezier *bezier1, Bezier *bezier2) const; + int approximate (double delta, std::vector<DPair> &p, std::vector<double> *t=0) const; + const DPair& point (int i) const {return _points[i];} + int reduceDegree (double delta, std::vector<DPair> &p) const; + void getBBox (BoundingBox &bbox) const; + + protected: + int approximate (double delta, double t0, double t1, std::vector<DPair> &p, std::vector<double> *t) const; + + private: + DPair _points[4]; +}; + +#endif |