/usr/include/epix/segment.h is in epix 1.2.18-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 | /*
* segment.h -- ePiX::Segment class
*
* This file is part of ePiX, a C++ library for creating high-quality
* figures in LaTeX
*
* Version 1.2.5
* Last Change: May 04, 2008
*/
/*
* Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
* Andrew D. Hwang <rot 13 nujnat at zngupf dot ubylpebff dot rqh>
* Department of Mathematics and Computer Science
* College of the Holy Cross
* Worcester, MA, 01610-2395, USA
*/
/*
* ePiX 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.
*
* ePiX 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 ePiX; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* This file provides:
*
* The Segment class (unordered pair of points), and operators:
* - end1(), end2() (no guaranteed order)
* - Translation operators shift(P), move_to(P)
* - Stretch about midpoint: scale(double)
* - draw(double) (ePiX line)
* - midpoint();
*/
#ifndef EPIX_SEGMENT
#define EPIX_SEGMENT
#include "triples.h"
namespace ePiX {
class Segment {
public:
Segment(const P&, const P&); // endpoints
Segment(bool); // malformed Segment for intersection operators
// Segment ends are not distinguished geometrically,
// so these functions should normally be used in tandem.
P end1() const;
P end2() const;
bool malformed() const;
// translate
Segment& shift(const P&);
Segment& move_to(const P&);
Segment& scale(double);
P midpoint(double t=0.5) const;
void draw(double stretch=0) const;
private:
P m_endpt1;
P m_endpt2;
bool m_malformed;
}; // end of Segment class
} // end of namespace
#endif /* EPIX_SEGMENT */
|