/usr/include/tulip/GlQuadTreeLODCalculator.h is in libtulip-dev 4.8.0dfsg-2+b7.
This file is owned by root:root, with mode 0o644.
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*
* This file is part of Tulip (www.tulip-software.org)
*
* Authors: David Auber and the Tulip development Team
* from LaBRI, University of Bordeaux
*
* Tulip is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation, either version 3
* of the License, or (at your option) any later version.
*
* Tulip 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.
*
*/
///@cond DOXYGEN_HIDDEN
#ifndef Tulip_QLQUADTREELODCALCULATOR_H
#define Tulip_QLQUADTREELODCALCULATOR_H
#include <map>
#include <vector>
#include <tulip/GlCPULODCalculator.h>
#include <tulip/Observable.h>
#include <tulip/GlGraphRenderingParameters.h>
namespace tlp {
class Camera;
template <class TYPE> class QuadTreeNode;
class GlScene;
class PropertyInterface;
class Graph;
class GlLayer;
/**
* Class use to compute bounding boxs of a vector of GlEntity
*/
class TLP_GL_SCOPE GlQuadTreeLODCalculator : public GlCPULODCalculator, private Observable {
public:
GlQuadTreeLODCalculator();
~GlQuadTreeLODCalculator();
/**
* Set the SlScene used by this calculator
*/
void setScene(GlScene &scene);
/**
* To know if the calculator need to have entities returned by a visitor in GlScene
*/
bool needEntities();
/**
* Set if the calculator need to have entities
*/
void setNeedEntities(bool);
/**
* This function is call by GlLODSceneVisitor when a simple entitie is found
*/
void addSimpleEntityBoundingBox(GlSimpleEntity * entity,const BoundingBox& bb);
/**
* This function is call by GlLODSceneVisitor when a node is found
*/
void addNodeBoundingBox(unsigned int id,const BoundingBox& bb);
/**
* This function is call by GlLODSceneVisitor when an edge is found
*/
void addEdgeBoundingBox(unsigned int id,const BoundingBox& bb);
/**
* This function compute LOD
* See compute function of GlCPULODCalculator for more details
* This function do some computation and after call computeFor2DCamera() or computeFor3DCamera()
*/
void compute(const Vector<int,4>& globalViewport,const Vector<int,4>& currentViewport);
/**
* Specific function to compute LOD for 3D cameras
*/
void computeFor3DCamera(LayerLODUnit *layerLODUnit,const Coord &eye,
const Matrix<float, 4>& transformMatrix,
const Vector<int,4>& globalViewport,
const Vector<int,4>& currentViewport);
/**
* Change the input data used by this LOD calculator
*/
void setInputData(const GlGraphInputData *newInputData);
/**
* Clone the calculator
*/
virtual GlLODCalculator *clone() {
GlQuadTreeLODCalculator *newCalculator=new GlQuadTreeLODCalculator();
newCalculator->setScene(*glScene);
newCalculator->setInputData(inputData);
return newCalculator;
}
protected :
void update(PropertyInterface *property);
void treatEvent(const Event &ev);
void removeObservers();
void addObservers();
void initCamerasObservers();
void clearCamerasObservers();
void setHaveToCompute();
std::vector<QuadTreeNode<unsigned int> *> nodesQuadTree;
std::vector<QuadTreeNode<unsigned int> *> edgesQuadTree;
std::vector<QuadTreeNode<GlSimpleEntity *> *> entitiesQuadTree;
std::vector<std::vector<SimpleEntityLODUnit> > simpleEntities;
bool haveToCompute;
bool haveToInitObservers;
BoundingBox nodesGlobalBoundingBox;
BoundingBox edgesGlobalBoundingBox;
BoundingBox entitiesGlobalBoundingBox;
std::vector<Camera *> cameras;
std::map<GlLayer*, Camera> layerToCamera;
Camera *currentCamera;
Graph *currentGraph;
PropertyInterface *layoutProperty;
PropertyInterface *sizeProperty;
PropertyInterface *selectionProperty;
GlGraphRenderingParameters oldParameters;
int quadTreesVectorPosition;
int simpleEntitiesVectorPosition;
};
}
#endif // Tulip_QTQUADTREELODCALCULATOR_H
///@endcond
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