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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file boolop/intern/BOP_Segment.h
* \ingroup boolopintern
*/
#ifndef BOP_SEGMENT_H
#define BOP_SEGMENT_H
#include "BOP_Indexs.h"
#include <iostream>
class BOP_Segment
{
private:
int getEdgeBetween(unsigned int v1, unsigned int v2);
bool isOnEdge(unsigned int v, unsigned int e);
public:
// Cfg : Configuration of the vertices
// Values:
// 20 IN,
// 1X Intersected edge X{1,2,3} of the face,
// 0X Coincident vertice X{1,2,3} of the face,
// 0 otherwise
unsigned int m_cfg1, m_cfg2;
BOP_Index m_v1, m_v2; // if cfgX >0, vX is the vertice index of the face
BOP_Segment();
static bool isIn(unsigned int cfg);
static bool isEdge(unsigned int cfg);
static bool isVertex(unsigned int cfg);
static bool isDefined(unsigned int cfg);
static bool isUndefined(unsigned int cfg);
static unsigned int getEdge(unsigned int cfg);
static BOP_Index getVertex(unsigned int cfg);
static unsigned int createEdgeCfg(unsigned int edge);
static unsigned int createVertexCfg(BOP_Index vertex);
static unsigned int createInCfg();
static unsigned int createUndefinedCfg();
void invert();
void sort();
unsigned int getConfig();
friend std::ostream &operator<<(std::ostream &stream, const BOP_Segment &c);
};
#endif
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