Extend swig definitions to contain SHAPE_LINE_CHAIN and VECTOR2I

common/swig/kicad.i

@@ -135,6 +135,12 @@ typedef long time_t;
 #include <geometry/shape.h>
 %include <geometry/shape.h>
 
+// Contains VECTOR2I
+%include math.i
+
+#include <geometry/shape_line_chain.h>
+%include <geometry/shape_line_chain.h>
+
 #include <geometry/shape_poly_set.h>
 %include <geometry/shape_poly_set.h>
 

common/swig/math.i

@@ -0,0 +1,34 @@
+/*
+ * This program source code file is part of KiCad, a free EDA CAD application.
+ *
+ * Copyright (C) 2018 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
+ */
+
+/**
+ * @file math.i
+ * @brief wrappers for math helper classes
+ */
+
+%ignore VECTOR2<int>::ECOORD_MAX;
+%ignore VECTOR2<int>::ECOORD_MIN;
+
+#include <math/vector2d.h>
+%include <math/vector2d.h>
+%template(VECTOR2I) VECTOR2<int>;