63 lines
2.2 KiB
C++
63 lines
2.2 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2016 Jean-Pierre Charras, jp.charras at wanadoo.fr
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* Copyright (C) 1992-2021 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef __CONVEX_HULL_H
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#define __CONVEX_HULL_H
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#include <vector>
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#include <math/vector2d.h>
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class SHAPE_POLY_SET;
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/**
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* Calculate the convex hull of a list of points in counter-clockwise order.
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*
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* @param aResult is a vector to store the convex polygon.
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* @param aPoly is the list of points.
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*/
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void BuildConvexHull( std::vector<VECTOR2I>& aResult, const std::vector<VECTOR2I>& aPoly );
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/**
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* Calculate the convex hull of a #SHAPE_POLY_SET.
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*
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* @param aResult is a vector to store the convex polygon.
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* @param aPolygons is the #SHAPE_POLY_SET.
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*/
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void BuildConvexHull( std::vector<VECTOR2I>& aResult, const SHAPE_POLY_SET& aPolygons );
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/**
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* Calculate the convex hull (rotated and moved) of a #SHAPE_POLY_SET.
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*
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* @param aResult is a vector to store the convex polygon.
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* @param aPolygons is the set of polygons.
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* @param aPosition is the final position of the convex hull.
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* @param aRotation is the rotation of the convex hull.
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*/
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void BuildConvexHull( std::vector<VECTOR2I>& aResult, const SHAPE_POLY_SET& aPolygons,
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const VECTOR2I& aPosition, double aRotation );
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#endif // __CONVEX_HULL_H
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