118 lines
2.4 KiB
C++
118 lines
2.4 KiB
C++
/*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#ifndef __FREESTYLE_NODE_H__
|
|
#define __FREESTYLE_NODE_H__
|
|
|
|
/** \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 */
|
|
|
|
#endif // __FREESTYLE_NODE_H__
|