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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 Sophia Antipolis-Mediterranee (France)
*
* 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_H_
#define VIEW_VIEWER_H_
#include <QGLViewer/qglviewer.h>
#include <vector>
#include "View_parameter.h"
#include "model/Complex_typedefs.h"
#include "Color.h"
#include "Viewer_instructor.h"
class Viewer_instructor;
class Viewer : public QGLViewer {
Q_OBJECT
Viewer_instructor * instructor;
/**
* light angles
*/
double theta, phi;
typedef Complex::GT Gudhi_kernel;
typedef Gudhi_kernel::Point_3 Point_3;
public:
Viewer(QWidget* parent);
void set_instructor(Viewer_instructor* instructor_);
void show_entire_scene();
void draw();
void set_bounding_box(const Point_3 & lower_left, const Point_3 & upper_right);
void update_GL();
void init_scene();
void init_light();
void set_light();
void set_light_direction(double theta, double phi);
/**
* set the light in the direction of the observer
*/
void set_light_direction();
protected:
virtual void postSelection(const QPoint& point);
public:
////////////////////////
// draw
////////////////////////
void set_size_point(double size_points);
void set_color(const Color& color);
void draw_point(const Point_3& p, const Color& color, double size_points);
void begin_draw_points(double size, bool light = false);
void draw_points(const Point_3 & point);
void end_draw_points();
void draw_edge(const Point_3 &a, const Point_3 &b, const Color& color, double size);
void begin_draw_edges(double size, bool light = false);
void draw_edges(const Point_3 &a, const Point_3 &b);
void end_draw_edges();
void begin_draw_triangles(double size, bool light, bool transparent = false);
void draw_triangles(const Point_3& p1, const Point_3& p2, const Point_3& p3);
// todo remove
void draw_triangles(const std::vector<Point_3*>& points);
void end_draw_triangles();
signals:
void click(const Point_3& position);
};
#endif // VIEW_VIEWER_H_
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