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Diffstat (limited to 'source/blender/freestyle/intern/geometry/Bezier.h')
-rw-r--r-- | source/blender/freestyle/intern/geometry/Bezier.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/source/blender/freestyle/intern/geometry/Bezier.h b/source/blender/freestyle/intern/geometry/Bezier.h new file mode 100644 index 00000000000..51f32e9e0b3 --- /dev/null +++ b/source/blender/freestyle/intern/geometry/Bezier.h @@ -0,0 +1,96 @@ +/* + * ***** BEGIN GPL LICENSE BLOCK ***** + * + * 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, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * The Original Code is Copyright (C) 2010 Blender Foundation. + * All rights reserved. + * + * The Original Code is: all of this file. + * + * Contributor(s): none yet. + * + * ***** END GPL LICENSE BLOCK ***** + */ + +#ifndef __BEZIER_H__ +#define __BEZIER_H__ + +/** \file blender/freestyle/intern/geometry/Bezier.h + * \ingroup freestyle + * \brief Class to define a Bezier curve of order 4. + * \author Stephane Grabli + * \date 04/06/2003 + */ + +#include <vector> + +#include "Geom.h" + +#include "../system/FreestyleConfig.h" + +using namespace Geometry; + +class LIB_GEOMETRY_EXPORT BezierCurveSegment +{ +private: + std::vector<Vec2d> _ControlPolygon; + std::vector<Vec2d> _Vertices; + +public: + BezierCurveSegment(); + virtual ~BezierCurveSegment(); + + void AddControlPoint(const Vec2d& iPoint); + void Build(); + + inline int size() const + { + return _ControlPolygon.size(); + } + + inline std::vector<Vec2d>& vertices() + { + return _Vertices; + } +}; + + +class LIB_GEOMETRY_EXPORT BezierCurve +{ +private: + std::vector<Vec2d> _ControlPolygon; + std::vector<BezierCurveSegment*> _Segments; + BezierCurveSegment *_currentSegment; + +public: + BezierCurve(); + BezierCurve(std::vector<Vec2d>& iPoints, double error=4.0); + virtual ~BezierCurve(); + + void AddControlPoint(const Vec2d& iPoint); + + std::vector<Vec2d>& controlPolygon() + { + return _ControlPolygon; + } + + std::vector<BezierCurveSegment*>& segments() + { + return _Segments; + } +}; + +#endif // __BEZIER_H__ |