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+/**
+ * @file convert_basic_shapes_to_polygon.h
+ */
+/*
+ * This program source code file is part of KiCad, a free EDA CAD application.
+ *
+ * Copyright (C) 2012 Jean-Pierre Charras, jp.charras at wanadoo.fr
+ * Copyright (C) 1992-2012 KiCad Developers, see change_log.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 CONVERT_BASIC_SHAPES_TO_POLYGON_H
+#define CONVERT_BASIC_SHAPES_TO_POLYGON_H
+
+#include <vector>
+
+#include <fctsys.h>
+#include <trigo.h>
+#include <macros.h>
+
+#include <geometry/shape_poly_set.h>
+/**
+ * Function TransformCircleToPolygon
+ * convert a circle to a polygon, using multiple straight lines
+ * @param aCornerBuffer = a buffer to store the polygon
+ * @param aCenter = the center of the circle
+ * @param aRadius = the radius of the circle
+ * @param aCircleToSegmentsCount = the number of segments to approximate a circle
+ * Note: the polygon is inside the circle, so if you want to have the polygon
+ * outside the circle, you should give aRadius calculated with a correction factor
+ */
+void TransformCircleToPolygon( SHAPE_POLY_SET&  aCornerBuffer,
+                                                wxPoint aCenter, int aRadius,
+                                                int aCircleToSegmentsCount );
+
+/**
+ * Function TransformRoundedEndsSegmentToPolygon
+ * convert a segment with rounded ends to a polygon
+ * Convert arcs to multiple straight lines
+ * @param aCornerBuffer = a buffer to store the polygon
+ * @param aStart = the segment start point coordinate
+ * @param aEnd = the segment end point coordinate
+ * @param aCircleToSegmentsCount = the number of segments to approximate a circle
+ * @param aWidth = the segment width
+ * Note: the polygon is inside the arc ends, so if you want to have the polygon
+ * outside the circle, you should give aStart and aEnd calculated with a correction factor
+ */
+void TransformRoundedEndsSegmentToPolygon( SHAPE_POLY_SET& aCornerBuffer,
+                                           wxPoint aStart, wxPoint aEnd,
+                                           int aCircleToSegmentsCount,
+                                           int aWidth );
+
+
+/**
+ * Function TransformArcToPolygon
+ * Creates a polygon from an Arc
+ * Convert arcs to multiple straight segments
+ * @param aCornerBuffer = a buffer to store the polygon
+ * @param aCentre = centre of the arc or circle
+ * @param aStart = start point of the arc, or a point on the circle
+ * @param aArcAngle = arc angle in 0.1 degrees. For a circle, aArcAngle = 3600
+ * @param aCircleToSegmentsCount = the number of segments to approximate a circle
+ * @param aWidth = width (thickness) of the line
+ */
+void TransformArcToPolygon( SHAPE_POLY_SET& aCornerBuffer,
+                            wxPoint aCentre, wxPoint aStart, double aArcAngle,
+                            int aCircleToSegmentsCount, int aWidth );
+
+/**
+ * Function TransformRingToPolygon
+ * Creates a polygon from a ring
+ * Convert arcs to multiple straight segments
+ * @param aCornerBuffer = a buffer to store the polygon
+ * @param aCentre = centre of the arc or circle
+ * @param aRadius = radius of the circle
+ * @param aCircleToSegmentsCount = the number of segments to approximate a circle
+ * @param aWidth = width (thickness) of the ring
+ */
+void TransformRingToPolygon( SHAPE_POLY_SET& aCornerBuffer,
+                            wxPoint aCentre, int aRadius,
+                            int aCircleToSegmentsCount, int aWidth );
+
+#endif     // CONVERT_BASIC_SHAPES_TO_POLYGON_H