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author | Karl Berry <karl@freefriends.org> | 2021-02-25 19:22:25 +0000 |
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committer | Karl Berry <karl@freefriends.org> | 2021-02-25 19:22:25 +0000 |
commit | ad547a6b5986815fda458221149728d9d9ab1d87 (patch) | |
tree | 16296910eb3eca724371474ea9aea3994dc69614 /Build/source/texk/dvisvgm/dvisvgm-src/src/PathClipper.hpp | |
parent | 947b43de3dd21d58ccc2ffadefc4441ea1c2a813 (diff) |
restore Build,TODO from r57911
git-svn-id: svn://tug.org/texlive/trunk@57915 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-src/src/PathClipper.hpp')
-rw-r--r-- | Build/source/texk/dvisvgm/dvisvgm-src/src/PathClipper.hpp | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/src/PathClipper.hpp b/Build/source/texk/dvisvgm/dvisvgm-src/src/PathClipper.hpp new file mode 100644 index 00000000000..8ab9b48c4f0 --- /dev/null +++ b/Build/source/texk/dvisvgm/dvisvgm-src/src/PathClipper.hpp @@ -0,0 +1,54 @@ +/************************************************************************* +** PathClipper.hpp ** +** ** +** This file is part of dvisvgm -- a fast DVI to SVG converter ** +** Copyright (C) 2005-2021 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 PATHCLIPPER_HPP +#define PATHCLIPPER_HPP + +#include <clipper.hpp> +#include <string> +#include <vector> +#include "Bezier.hpp" +#include "GraphicsPath.hpp" +#include "MessageException.hpp" + + +using ClipperLib::IntPoint; + +class PathClipper { + public: + using CurvedPath = GraphicsPath<double>; + + public: + CurvedPath intersect (const CurvedPath &p1, const CurvedPath &p2); + CurvedPath unite (const CurvedPath &p1, const CurvedPath &p2); + + protected: + CurvedPath combine (ClipperLib::ClipType op, const CurvedPath &p1, const CurvedPath &p2); + void flatten (const CurvedPath &gp, ClipperLib::Paths &polygons); + void reconstruct (const ClipperLib::Path &polygon, CurvedPath &path); + void reconstruct (const ClipperLib::Paths &polygons, CurvedPath &path); + static void callback (IntPoint &e1bot, IntPoint &e1top, IntPoint &e2bot, IntPoint &e2top, IntPoint &ip); + + private: + std::vector<Bezier> _curves; + int _numLines=0; ///< negative number of straight line segments in path been processed +}; + +#endif |