e12c08e8d1
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97 lines
2.1 KiB
C++
97 lines
2.1 KiB
C++
/*
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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, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef __BEZIER_H__
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#define __BEZIER_H__
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/** \file
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* \ingroup freestyle
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* \brief Class to define a Bezier curve of order 4.
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*/
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#include <vector>
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#include "Geom.h"
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#include "../system/FreestyleConfig.h"
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#ifdef WITH_CXX_GUARDEDALLOC
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# include "MEM_guardedalloc.h"
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#endif
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namespace Freestyle {
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using namespace Geometry;
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class BezierCurveSegment {
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private:
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std::vector<Vec2d> _ControlPolygon;
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std::vector<Vec2d> _Vertices;
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public:
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BezierCurveSegment();
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virtual ~BezierCurveSegment();
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void AddControlPoint(const Vec2d &iPoint);
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void Build();
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inline int size() const
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{
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return _ControlPolygon.size();
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}
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inline std::vector<Vec2d> &vertices()
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{
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return _Vertices;
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}
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#ifdef WITH_CXX_GUARDEDALLOC
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MEM_CXX_CLASS_ALLOC_FUNCS("Freestyle:BezierCurveSegment")
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#endif
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};
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class BezierCurve {
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private:
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std::vector<Vec2d> _ControlPolygon;
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std::vector<BezierCurveSegment *> _Segments;
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BezierCurveSegment *_currentSegment;
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public:
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BezierCurve();
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BezierCurve(std::vector<Vec2d> &iPoints, double error = 4.0);
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virtual ~BezierCurve();
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void AddControlPoint(const Vec2d &iPoint);
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std::vector<Vec2d> &controlPolygon()
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{
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return _ControlPolygon;
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}
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std::vector<BezierCurveSegment *> &segments()
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{
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return _Segments;
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}
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#ifdef WITH_CXX_GUARDEDALLOC
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MEM_CXX_CLASS_ALLOC_FUNCS("Freestyle:BezierCurve")
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#endif
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};
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} /* namespace Freestyle */
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#endif // __BEZIER_H__
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