Chain.h

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/* SPDX-FileCopyrightText: 2023 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#include "Curve.h"
 
#include "../view_map/ViewMap.h"
 
namespace Freestyle {
 
class Chain : public Curve {
 protected:
  // tmp
  Id *_splittingId;
  FEdge *
      _fedgeB;  // the last FEdge of the ViewEdge passed to the last call for push_viewedge_back().
 
 public:
  Chain() : Curve()
  {
    _splittingId = 0;
    _fedgeB = 0;
  }
 
  Chain(const Id &id) : Curve(id)
  {
    _splittingId = 0;
    _fedgeB = 0;
  }
 
  Chain(const Chain &iBrother) : Curve(iBrother)
  {
    _splittingId = iBrother._splittingId;
    _fedgeB = iBrother._fedgeB;
  }
 
  virtual ~Chain()
  {
    // only the last splitted deletes this id
    if (_splittingId) {
      if (*_splittingId == _Id) {
        delete _splittingId;
      }
    }
  }
 
  virtual string getExactTypeName() const
  {
    return "Chain";
  }
 
  void push_viewedge_back(ViewEdge *iViewEdge, bool orientation);
 
  void push_viewedge_front(ViewEdge *iViewEdge, bool orientation);
 
  inline void setSplittingId(Id *sid)
  {
    _splittingId = sid;
  }
 
  inline Id *getSplittingId()
  {
    return _splittingId;
  }
 
#ifdef WITH_CXX_GUARDEDALLOC
  MEM_CXX_CLASS_ALLOC_FUNCS("Freestyle:Chain")
#endif
};
 
} /* namespace Freestyle */