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/* SPDX-License-Identifier: GPL-2.0-or-later */
#pragma once
/** \file
* \ingroup freestyle
* \brief Abstract class for scene graph nodes. Inherits from BaseObject which defines the addRef
* release mechanism.
*/
#include "SceneVisitor.h"
#include "../system/BaseObject.h"
#include "../system/FreestyleConfig.h"
#include "../system/Precision.h"
#include "../geometry/BBox.h"
#include "../geometry/Geom.h"
using namespace std;
namespace Freestyle {
using namespace Geometry;
class Node : public BaseObject {
public:
inline Node() : BaseObject()
{
}
inline Node(const Node &iBrother) : BaseObject()
{
_BBox = iBrother.bbox();
}
virtual ~Node()
{
}
/** Accept the corresponding visitor
* Each inherited node must overload this method
*/
virtual void accept(SceneVisitor &v)
{
v.visitNode(*this);
}
/** bounding box management */
/** Returns the node bounding box
* If no bounding box exists, an empty bbox is returned
*/
virtual const BBox<Vec3r> &bbox() const
{
return _BBox;
}
/** Sets the Node bounding box */
virtual void setBBox(const BBox<Vec3r> &iBox)
{
_BBox = iBox;
}
/** Makes the union of _BBox and iBox */
virtual void AddBBox(const BBox<Vec3r> &iBox)
{
if (iBox.empty()) {
return;
}
if (_BBox.empty()) {
_BBox = iBox;
}
else {
_BBox += iBox;
}
}
/** Updates the BBox */
virtual const BBox<Vec3r> &UpdateBBox()
{
return _BBox;
}
/** Clears the bounding box */
virtual void clearBBox()
{
_BBox.clear();
}
protected:
private:
BBox<Vec3r> _BBox;
#ifdef WITH_CXX_GUARDEDALLOC
MEM_CXX_CLASS_ALLOC_FUNCS("Freestyle:Node")
#endif
};
} /* namespace Freestyle */
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