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diff --git a/src/svg_geom.h b/src/svg_geom.h
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+/*
+ * This program source code file is part of KICAD, a free EDA CAD application.
+ *
+ * Copyright (C) 2021 Jan Sebastian Götte <kicad@jaseg.de>
+ * Copyright (C) 2021 KiCad Developers, see AUTHORS.txt for contributors.
+ *
+ * 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 2
+ * 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, you may find one here:
+ * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
+ * or you may search the http://www.gnu.org website for the version 2 license,
+ * or you may write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ */
+
+#ifndef SVG_GEOM_H
+#define SVG_GEOM_H
+
+#include <cairo.h>
+#include <clipper.hpp>
+#include <pugixml.hpp>
+
+namespace svg_plugin {
+
+ClipperLib::IntRect get_paths_bounds(const ClipperLib::Paths &paths);
+enum ClipperLib::PolyFillType clipper_fill_rule(const pugi::xml_node &node);
+enum ClipperLib::EndType clipper_end_type(const pugi::xml_node &node);
+enum ClipperLib::JoinType clipper_join_type(const pugi::xml_node &node);
+void dehole_polytree(ClipperLib::PolyNode &ptree, ClipperLib::Paths &out);
+void combine_clip_paths(ClipperLib::Paths &in_a, ClipperLib::Paths &in_b, ClipperLib::Paths &out);
+void transform_paths(cairo_t *cr, ClipperLib::Paths &paths, cairo_matrix_t *mat=nullptr);
+
+} /* namespace svg_plugin */
+
+#endif /* SVG_GEOM_H */