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diff --git a/Build/source/texk/dvisvgm/dvisvgm-1.9.1/src/PathClipper.h b/Build/source/texk/dvisvgm/dvisvgm-1.9.1/src/PathClipper.h
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+/*************************************************************************
+** PathClipper.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_PATHCLIPPER_H
+#define DVISVGM_PATHCLIPPER_H
+
+#include <clipper.hpp>
+#include <string>
+#include <vector>
+#include "Bezier.h"
+#include "GraphicPath.h"
+#include "MessageException.h"
+
+
+using ClipperLib::IntPoint;
+
+class PathClipper
+{
+	public:
+		typedef GraphicPath<double> CurvedPath;
+
+	public:
+		PathClipper () : _numLines(0) {}
+		void intersect (const CurvedPath &p1, const CurvedPath &p2, CurvedPath &result);
+
+	protected:
+		void flatten (const CurvedPath &gp, ClipperLib::Paths &polygons);
+//		void divide (IntPoint &p1, IntPoint &p2, IntPoint &ip);
+		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;  ///< negative number of straight line segments in path been processed
+};
+
+#endif