99 lines
2.1 KiB
C++
99 lines
2.1 KiB
C++
/* SPDX-FileCopyrightText: 2023 Blender Authors
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
|
|
#pragma once
|
|
|
|
/** \file
|
|
* \ingroup freestyle
|
|
* \brief Class to define a chain of view-edges.
|
|
*/
|
|
|
|
#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 */
|