dust3d/thirdparty/cgal/CGAL-5.1/include/CGAL/draw_point_set_3.h

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// Copyright (c) 2016 GeometryFactory Sarl (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org).
//
// $URL: https://github.com/CGAL/cgal/blob/v5.1/Point_set_3/include/CGAL/draw_point_set_3.h $
// $Id: draw_point_set_3.h 0779373 2020-03-26T13:31:46+01:00 Sébastien Loriot
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
//
//
// Author(s) : Guillaume Damiand <guillaume.damiand@liris.cnrs.fr>
#ifndef CGAL_DRAW_POINT_SET_3_H
#define CGAL_DRAW_POINT_SET_3_H
#include <CGAL/license/Point_set_3.h>
#include <CGAL/Qt/Basic_viewer_qt.h>
#ifdef DOXYGEN_RUNNING
namespace CGAL {
/*!
\ingroup PkgDrawPointSet3D
opens a new window and draws `aps`, an instance of the `CGAL::Point_set_3` class. A call to this function is blocking, that is the program continues as soon as the user closes the window. This function requires CGAL_Qt5, and is only available if the flag CGAL_USE_BASIC_VIEWER is defined at compile time.
\tparam PS an instance of the `CGAL::Point_set_3` class.
\param aps the point set to draw.
*/
template<class PS>
void draw(const PS& aps);
} /* namespace CGAL */
#endif
#ifdef CGAL_USE_BASIC_VIEWER
#include <CGAL/Point_set_3.h>
#include <CGAL/Random.h>
namespace CGAL
{
// Viewer class for Point_set
template<class PointSet>
class SimplePointSetViewerQt : public Basic_viewer_qt
{
typedef Basic_viewer_qt Base;
typedef typename PointSet::Point_map::value_type Point;
public:
/// Construct the viewer.
/// @param apointset the point set to view
/// @param title the title of the window
SimplePointSetViewerQt(QWidget* parent,
const PointSet& apointset, const char* title="") :
// First draw: vertices; no-edge, no-face; mono-color; no inverse normal
Base(parent, title, true, false, false, true, false),
pointset(apointset)
{
compute_elements();
}
protected:
void compute_vertex(const Point& p)
{
add_point(p);
// We can use add_point(p, c) with c a CGAL::Color to add a colored point
}
void compute_elements()
{
clear();
for (typename PointSet::const_iterator it=pointset.begin();
it!=pointset.end(); ++it)
{ compute_vertex(pointset.point(*it)); }
}
virtual void keyPressEvent(QKeyEvent *e)
{
// const ::Qt::KeyboardModifiers modifiers = e->modifiers();
Base::keyPressEvent(e);
}
protected:
const PointSet& pointset;
};
// Specialization of draw function.
template<class P, class V>
void draw(const Point_set_3<P, V>& apointset,
const char* title="Point_set_3 Basic Viewer")
{
#if defined(CGAL_TEST_SUITE)
bool cgal_test_suite=true;
#else
bool cgal_test_suite=qEnvironmentVariableIsSet("CGAL_TEST_SUITE");
#endif
if (!cgal_test_suite)
{
int argc=1;
const char* argv[2]={"point_set_viewer","\0"};
QApplication app(argc,const_cast<char**>(argv));
SimplePointSetViewerQt<Point_set_3<P, V> > mainwindow(app.activeWindow(),
apointset,
title);
mainwindow.show();
app.exec();
}
}
} // End namespace CGAL
#endif // CGAL_USE_BASIC_VIEWER
#endif // CGAL_DRAW_POINT_SET_3_H