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/* This file is part of the Gudhi Library. The Gudhi library
* (Geometric Understanding in Higher Dimensions) is a generic C++
* library for computational topology.
*
* Author(s): David Salinas
*
* Copyright (C) 2014 Inria
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef VIEW_VIEWER_INSTRUCTOR_H_
#define VIEW_VIEWER_INSTRUCTOR_H_
// todo do a viewer instructor that have directely a pointer to a QGLviewer and buffer ot not triangles
#include <QFileDialog>
#include <QKeyEvent>
#include <QGLViewer/camera.h>
#include <memory>
#include <utility> // for pair<>
#include "model/Complex_typedefs.h"
#include "Projector3D.h"
#include "View_parameter.h"
#include "Viewer.h"
class Viewer;
class Viewer_parameter;
class Viewer_instructor : public QWidget {
Q_OBJECT
typedef Geometry_trait::Point_3 Point_3;
typedef Complex::Point Point;
typedef Complex::Vertex_handle Vertex_handle;
typedef Complex::Edge_handle Edge_handle;
typedef Complex::Simplex Simplex;
Viewer* viewer_;
View_parameter view_params_;
const Complex& mesh_;
std::unique_ptr<Projector3D> projector_;
public:
Viewer_instructor(QWidget* parent, Viewer* viewer, const Complex& mesh);
void initialize_bounding_box();
std::pair<Point, Point> compute_bounding_box_corners();
void show_entire_scene();
const qglviewer::Camera* camera() const;
int width() const;
int height() const;
/**
* to change display parameters
*/
View_parameter& view_params();
public:
/**
* gives instructions to the viewer
*/
void give_instructions();
void draw_edges();
void draw_triangles();
void draw_points();
void draw_edge(const Point&, const Point&);
void draw_point(const Point&);
/**
* set the right color of vertex/edge/triangle considering the view_params choice
*/
void set_color_vertex(Vertex_handle vh);
void set_color_edge(Edge_handle eh);
void set_color_triangle(const Simplex& triangle);
private:
/**
* Projection to 3D needed for the viewer.
*/
Point_3 proj(const Point& p) const;
public slots:
void sceneChanged();
void change_draw_vertices();
void change_draw_edges();
void change_draw_triangles();
void change_light();
};
#endif // VIEW_VIEWER_INSTRUCTOR_H_
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