mirror of https://github.com/CGAL/cgal
122 lines
3.2 KiB
C++
122 lines
3.2 KiB
C++
// Copyright (c) 2016 GeometryFactory Sarl (France).
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// All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org).
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//
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// $URL$
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// $Id$
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// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
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//
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//
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// Author(s) : Guillaume Damiand <guillaume.damiand@liris.cnrs.fr>
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#ifndef CGAL_DRAW_POINT_SET_3_H
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#define CGAL_DRAW_POINT_SET_3_H
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#include <CGAL/license/Point_set_3.h>
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#include <CGAL/Qt/Basic_viewer_qt.h>
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#ifdef DOXYGEN_RUNNING
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namespace CGAL {
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/*!
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\ingroup PkgDrawPointSet3D
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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_Qt6`, and is only available if the macro `CGAL_USE_BASIC_VIEWER` is defined.
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Linking with the cmake target `CGAL::CGAL_Basic_viewer` will link with `CGAL_Qt6` and add the definition `CGAL_USE_BASIC_VIEWER`.
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\tparam PS an instance of the `CGAL::Point_set_3` class.
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\param aps the point set to draw.
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*/
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template<class PS>
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void draw(const PS& aps);
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} /* namespace CGAL */
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#endif
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#ifdef CGAL_USE_BASIC_VIEWER
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#include <CGAL/Qt/init_ogl_context.h>
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#include <CGAL/Point_set_3.h>
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#include <CGAL/Random.h>
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namespace CGAL
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{
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// Viewer class for Point_set
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template<class PointSet>
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class SimplePointSetViewerQt : public Basic_viewer_qt
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{
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typedef Basic_viewer_qt Base;
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typedef typename PointSet::Point_map::value_type Point;
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public:
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/// Construct the viewer.
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/// @param apointset the point set to view
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/// @param title the title of the window
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SimplePointSetViewerQt(QWidget* parent,
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const PointSet& apointset, const char* title="") :
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// First draw: vertices; no-edge, no-face; mono-color; no inverse normal
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Base(parent, title, true, false, false, true, false),
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pointset(apointset)
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{
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compute_elements();
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}
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protected:
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void compute_vertex(const Point& p)
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{
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add_point(p);
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// We can use add_point(p, c) with c a CGAL::IO::Color to add a colored point
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}
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void compute_elements()
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{
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clear();
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for (typename PointSet::const_iterator it=pointset.begin();
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it!=pointset.end(); ++it)
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{ compute_vertex(pointset.point(*it)); }
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}
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virtual void keyPressEvent(QKeyEvent *e)
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{
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// const ::Qt::KeyboardModifiers modifiers = e->modifiers();
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Base::keyPressEvent(e);
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}
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protected:
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const PointSet& pointset;
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};
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// Specialization of draw function.
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template<class P, class V>
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void draw(const Point_set_3<P, V>& apointset,
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const char* title="Point_set_3 Basic Viewer")
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{
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#if defined(CGAL_TEST_SUITE)
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bool cgal_test_suite=true;
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#else
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bool cgal_test_suite=qEnvironmentVariableIsSet("CGAL_TEST_SUITE");
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#endif
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if (!cgal_test_suite)
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{
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CGAL::Qt::init_ogl_context(4,3);
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int argc=1;
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const char* argv[2]={"point_set_viewer", nullptr};
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QApplication app(argc,const_cast<char**>(argv));
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SimplePointSetViewerQt<Point_set_3<P, V> > mainwindow(app.activeWindow(),
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apointset,
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title);
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mainwindow.show();
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app.exec();
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}
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}
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} // End namespace CGAL
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#endif // CGAL_USE_BASIC_VIEWER
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#endif // CGAL_DRAW_POINT_SET_3_H
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