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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2016 Jean-Pierre Charras, jp.charras at wanadoo.fr
* Copyright (C) 1992-2016 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 __CONVEX_HULL_H
#define __CONVEX_HULL_H
#include <vector>
class wxPoint; // Defined in wxWidgets
class SHAPE_POLY_SET;
/**
* Calculate the convex hull of a list of points
* in counter-clockwise order.
* @param aResult = a vector to store the convex polygon.
* @param aPoly is the list of points.
*/
void BuildConvexHull( std::vector<wxPoint>& aResult, const std::vector<wxPoint>& aPoly);
/**
* Calculate the convex hull of a SHAPE_POLY_SET
* @param aResult = a vector to store the convex polygon.
* @param aPolygons = the SHAPE_POLY_SET
*/
void BuildConvexHull( std::vector<wxPoint>& aResult, const SHAPE_POLY_SET& aPolygons );
/**
* Calculate the convex hull (rotated and moved) of a SHAPE_POLY_SET
* @param aResult = a vector to store the convex polygon.
* @param aPolygons is the set of polygons
* @param aPosition = the final position of the convex hull
* @param aRotation = the rotation of the convex hull
*/
void BuildConvexHull( std::vector<wxPoint>& aResult, const SHAPE_POLY_SET& aPolygons,
wxPoint aPosition, double aRotation );
#endif // __CONVEX_HULL_H
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