Bezier.h

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/* SPDX-FileCopyrightText: 2023 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#include <vector>
 
#include "Geom.h"
 
#include "../system/FreestyleConfig.h"
 
#ifdef WITH_CXX_GUARDEDALLOC
#  include "MEM_guardedalloc.h"
#endif
 
namespace Freestyle {
 
using namespace Geometry;
 
class BezierCurveSegment {
 private:
  std::vector<Vec2d> _ControlPolygon;
  std::vector<Vec2d> _Vertices;
 
 public:
  virtual ~BezierCurveSegment();
 
  void AddControlPoint(const Vec2d &iPoint);
  void Build();
 
  inline int size() const
  {
    return _ControlPolygon.size();
  }
 
  inline std::vector<Vec2d> &vertices()
  {
    return _Vertices;
  }
 
#ifdef WITH_CXX_GUARDEDALLOC
  MEM_CXX_CLASS_ALLOC_FUNCS("Freestyle:BezierCurveSegment")
#endif
};
 
class 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;
  }
 
#ifdef WITH_CXX_GUARDEDALLOC
  MEM_CXX_CLASS_ALLOC_FUNCS("Freestyle:BezierCurve")
#endif
};
 
} /* namespace Freestyle */