sweep.h revision 98a704c566ce5a750d76d5fc9675ccc804ac65f5
/**
* \file
* \brief \todo brief description
*
* Authors:
* ? <?@?.?>
*
* Copyright ?-? authors
*
* This library is free software; you can redistribute it and/or
* modify it either under the terms of the GNU Lesser General Public
* License version 2.1 as published by the Free Software Foundation
* (the "LGPL") or, at your option, under the terms of the Mozilla
* Public License Version 1.1 (the "MPL"). If you do not alter this
* notice, a recipient may use your version of this file under either
* the MPL or the LGPL.
*
* You should have received a copy of the LGPL along with this library
* in the file COPYING-LGPL-2.1; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
* You should have received a copy of the MPL along with this library
* in the file COPYING-MPL-1.1
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
* OF ANY KIND, either express or implied. See the LGPL or the MPL for
* the specific language governing rights and limitations.
*
*/
#ifndef __2GEOM_SWEEP_H__
#define __2GEOM_SWEEP_H__
#include <vector>
#include <2geom/d2.h>
namespace Geom {
struct Event {
double x;
unsigned ix;
bool closing;
Event(double pos, unsigned i, bool c) : x(pos), ix(i), closing(c) {}
// Lexicographic ordering by x then closing
bool operator<(Event const &other) const {
if(x < other.x) return true;
if(x > other.x) return false;
return closing < other.closing;
}
};
std::vector<std::vector<unsigned> >
sweep_bounds(std::vector<Rect>, Dim2 dim = X);
std::vector<std::vector<unsigned> >
sweep_bounds(std::vector<Rect>, std::vector<Rect>, Dim2 dim = X);
std::vector<std::vector<unsigned> > fake_cull(unsigned a, unsigned b);
}
#endif
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :