/usr/include/tulip/GlGraphRenderer.h is in libtulip-dev 4.6.0dfsg-2+b5.
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.
*
*/
#ifndef Tulip_GLGRAPHRENDERER_H
#define Tulip_GLGRAPHRENDERER_H
#include <tulip/GlScene.h>
#include <tulip/tulipconf.h>
namespace tlp {
class Graph;
class GlGraphInputData;
class Camera;
/**
* @ingroup OpenGL
* @brief Class used by GlGraphComposite to render the graph in OpenGL
*
* To create a graph renderer, you have to implement two functions : draw() and selectEntities()
* @see GlGraphComposite
*/
class TLP_GL_SCOPE GlGraphRenderer {
public:
/**
* @brief Constructor
* \param inputData : GlGraphInputData used by renderer to display the graph (in input data you have pointers on properties used to render nodes/edges
* \param parameters : GlGraphRenderingParameters used by renderer to display the graph
*/
GlGraphRenderer(const GlGraphInputData *inputData);
/**
* @brief Destructor
*/
virtual ~GlGraphRenderer() {}
/**
* @brief This function is call by GlGraphComposite to draw the graph
*
* If you reimplement this function you have to render nodes/edges. It's the most important function of GlGraphRenderer
*
* \param lod : lod used to this Rendering
* \param camera : camera used to this rendering
*/
virtual void draw(float lod,Camera* camera) = 0;
/**
* @brief This function is call by GlGraphComposite to selected entities into the graph
* \param type : type of selected entities
* \param x : x of the selected zone
* \param y : y of the selected zone
* \param w : width of the selected zone
* \param h : height of the selected zone
* \param selectedEntities : you have to put selected entities into this vector
*/
virtual void selectEntities(Camera *camera,RenderingEntitiesFlag type,int x, int y, int w, int h, std::vector<SelectedEntity>& selectedEntities) = 0;
/**
* @brief You can use this funtion if you want to inject a visitor on the graph
*/
virtual void visitGraph(GlSceneVisitor *visitor,bool visitHiddenEntities=false);
/**
* @brief This function set if the content of the graph is modified
*/
void setGraphModified(bool graphModified) {
this->graphModified=graphModified;
}
protected:
void visitNodes(Graph *graph,GlSceneVisitor *visitor,bool visitHiddenEntities=false);
void visitEdges(Graph *graph,GlSceneVisitor *visitor,bool visitHiddenEntities=false);
const GlGraphInputData* inputData;
bool graphModified;
bool selectionDrawActivate;
RenderingEntitiesFlag selectionType;
std::map<unsigned int, SelectedEntity> *selectionIdMap;
unsigned int *selectionCurrentId;
};
}
#endif
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