mirror of https://github.com/CGAL/cgal
70 lines
1.8 KiB
C++
70 lines
1.8 KiB
C++
// Copyright (c) 2002-2004 INRIA Sophia-Antipolis (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); you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 3 of the License,
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// or (at your option) any later version.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $URL$
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// $Id$
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//
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//
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// Author(s) : Radu Ursu
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#ifndef CGAL_QT_WIDGET_TRIANGULATION_2_H
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#define CGAL_QT_WIDGET_TRIANGULATION_2_H
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#include <CGAL/IO/Qt_widget.h>
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#include <CGAL/Triangulation_2.h>
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#include <CGAL/apply_to_range.h>
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namespace CGAL {
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template <class Gt, class Tds>
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class Draw_triangulation {
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private:
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const Triangulation_2<Gt, Tds>& t;
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Qt_widget& w;
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public:
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Draw_triangulation(const Triangulation_2<Gt, Tds>& _t, Qt_widget& _w)
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: t(_t), w(_w)
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{}
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void operator()(typename Triangulation_2<Gt, Tds>::Face_handle fh)
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{
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for (int i=0; i<3; i++)
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if (fh < fh->neighbor(i) || t.is_infinite(fh->neighbor(i)))
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w << t.segment(fh,i);
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}
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};
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template < class Gt, class Tds>
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Qt_widget&
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operator<<(Qt_widget& w, const Triangulation_2<Gt, Tds> &t)
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{
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if (t.dimension()<2) {
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t.draw_triangulation(w);
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return w;
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}
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typedef typename Triangulation_2<Gt, Tds>::Point OpPoint;
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w.lock();
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Draw_triangulation<Gt, Tds> draw(t, w);
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apply_to_range(t, OpPoint(w.x_min(), w.y_max()),
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OpPoint(w.x_max(), w.y_min()), draw);
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w.unlock();
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return w;
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}
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}// end namespace CGAL
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#endif
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