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/* SPDX-License-Identifier: GPL-2.0-or-later */
#pragma once
/** \file
* \ingroup freestyle
* \brief Class to define a chain of viewedges.
*/
#include "Curve.h"
#include "../view_map/ViewMap.h"
namespace Freestyle {
/** Class to represent a 1D elements issued from the chaining process.
* A Chain is the last step before the Stroke and is used in the Splitting and Creation processes.
*/
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:
/** Default constructor. */
Chain() : Curve()
{
_splittingId = 0;
_fedgeB = 0;
}
/** Builds a chain from its Id. */
Chain(const Id &id) : Curve(id)
{
_splittingId = 0;
_fedgeB = 0;
}
/** Copy Constructor */
Chain(const Chain &iBrother) : Curve(iBrother)
{
_splittingId = iBrother._splittingId;
_fedgeB = iBrother._fedgeB;
}
/** Destructor. */
virtual ~Chain()
{
// only the last splitted deletes this id
if (_splittingId) {
if (*_splittingId == _Id) {
delete _splittingId;
}
}
}
/** Returns the string "Chain" */
virtual string getExactTypeName() const
{
return "Chain";
}
/** Adds a ViewEdge at the end of the chain
* \param iViewEdge:
* The ViewEdge that must be added.
* \param orientation:
* The orientation with which this ViewEdge must be processed.
*/
void push_viewedge_back(ViewEdge *iViewEdge, bool orientation);
/** Adds a ViewEdge at the beginning of the chain
* \param iViewEdge:
* The ViewEdge that must be added.
* \param orientation:
* The orientation with which this ViewEdge must be processed.
*/
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 */
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