64 lines
2.0 KiB
C++
64 lines
2.0 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) 2014-2019 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 BEZIER_CURVES_H
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#define BEZIER_CURVES_H
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#include <vector>
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#include <wx/gdicmn.h>
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#include <math/vector2d.h>
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/**
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* Bezier curves to polygon converter.
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* Only quadratic and cubic Bezier curves are handled
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*/
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class BEZIER_POLY
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{
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public:
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BEZIER_POLY( const std::vector<wxPoint>& aControlPoints );
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BEZIER_POLY( const std::vector<VECTOR2D>& aControlPoints )
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: m_ctrlPts( aControlPoints )
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{
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m_minSegLen = 0.0;
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}
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/**
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* Converts Bezier curve to a polygon.
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* @param aOutput will be used as an output vector storing polygon points.
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* @param aMinSegLen is the min dist between 2 successve points.
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* It can be used to reduce the number of points.
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* (the last point is always generated)
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*/
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void GetPoly( std::vector<wxPoint>& aOutput, int aMinSegLen = 0 );
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void GetPoly( std::vector<VECTOR2D>& aOutput, double aMinSegLen = 0.0 );
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private:
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double m_minSegLen;
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///> Control points
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std::vector<VECTOR2D> m_ctrlPts;
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};
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#endif // BEZIER_CURVES_H
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