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
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
/**
* \file
* \brief Various geometrical calculations
*
* Authors:
* Nathan Hurst <njh@mail.csse.monash.edu.au>
*
* Copyright (C) 1999-2002 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 LIB2GEOM_SEEN_GEOM_H
#define LIB2GEOM_SEEN_GEOM_H
//TODO: move somewhere else
#include <vector>
#include <2geom/forward.h>
#include <boost/optional/optional.hpp>
#include <2geom/bezier-curve.h>
#include <2geom/line.h>
namespace Geom {
enum IntersectorKind {
intersects = 0,
parallel,
coincident,
no_intersection
};
int
intersector_ccw(const Geom::Point& p0, const Geom::Point& p1,
const Geom::Point& p2);
/* intersectors */
#if 0
// Use the new routines provided in line.h
IntersectorKind
line_intersection(Geom::Point const &n0, double const d0,
Geom::Point const &n1, double const d1,
Geom::Point &result);
IntersectorKind
segment_intersect(Geom::Point const &p00, Geom::Point const &p01,
Geom::Point const &p10, Geom::Point const &p11,
Geom::Point &result);
IntersectorKind
line_twopoint_intersect(Geom::Point const &p00, Geom::Point const &p01,
Geom::Point const &p10, Geom::Point const &p11,
Geom::Point &result);
#endif
#if 0
std::vector<Geom::Point>
rect_line_intersect(Geom::Point const &E, Geom::Point const &F,
Geom::Point const &p0, Geom::Point const &p1);
#endif
boost::optional<Geom::LineSegment>
rect_line_intersect(Geom::Rect &r,
Geom::LineSegment ls);
boost::optional<Geom::LineSegment>
rect_line_intersect(Geom::Rect &r,
Geom::Line l);
int centroid(std::vector<Geom::Point> const &p, Geom::Point& centroid, double &area);
}
#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 :
|
