1 /**
2 * \file
3 * \brief \todo brief description
4 *
5 * Authors:
6 * ? <?@?.?>
7 *
8 * Copyright ?-? authors
9 *
10 * This library is free software; you can redistribute it and/or
11 * modify it either under the terms of the GNU Lesser General Public
12 * License version 2.1 as published by the Free Software Foundation
13 * (the "LGPL") or, at your option, under the terms of the Mozilla
14 * Public License Version 1.1 (the "MPL"). If you do not alter this
15 * notice, a recipient may use your version of this file under either
16 * the MPL or the LGPL.
17 *
18 * You should have received a copy of the LGPL along with this library
19 * in the file COPYING-LGPL-2.1; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 * You should have received a copy of the MPL along with this library
22 * in the file COPYING-MPL-1.1
23 *
24 * The contents of this file are subject to the Mozilla Public License
25 * Version 1.1 (the "License"); you may not use this file except in
26 * compliance with the License. You may obtain a copy of the License at
27 * http://www.mozilla.org/MPL/
28 *
29 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
30 * OF ANY KIND, either express or implied. See the LGPL or the MPL for
31 * the specific language governing rights and limitations.
32 *
33 */
35 #ifndef __2GEOM_SWEEP_H__
36 #define __2GEOM_SWEEP_H__
38 #include <vector>
39 #include <2geom/d2.h>
41 namespace Geom {
43 struct Event {
44 double x;
45 unsigned ix;
46 bool closing;
47 Event(double pos, unsigned i, bool c) : x(pos), ix(i), closing(c) {}
48 // Lexicographic ordering by x then closing
49 bool operator<(Event const &other) const {
50 if(x < other.x) return true;
51 if(x > other.x) return false;
52 return closing < other.closing;
53 }
55 };
56 std::vector<std::vector<unsigned> > sweep_bounds(std::vector<Rect>);
57 std::vector<std::vector<unsigned> > sweep_bounds(std::vector<Rect>, std::vector<Rect>);
59 std::vector<std::vector<unsigned> > fake_cull(unsigned a, unsigned b);
61 }
63 #endif
65 /*
66 Local Variables:
67 mode:c++
68 c-file-style:"stroustrup"
69 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
70 indent-tabs-mode:nil
71 fill-column:99
72 End:
73 */
74 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :