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
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
// This file is part of ff3d - http://www.freefem.org/ff3d
// Copyright (C) 2001, 2002, 2003 Stphane Del Pino
// 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, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
// $Id: Difference.hpp,v 1.4 2004/02/08 18:44:19 delpinux Exp $
// This class provides a toolkit to manipulate Differences. It inherits from
// the Shape class.
#ifndef DIFFERENCE_HPP
#define DIFFERENCE_HPP
#include <Object.hpp>
#include <list>
/*! \class Difference
This is the class which defines a Virtual Reality set operation: the
\a difference.
\author Stphane Del Pino.
*/
class Difference
: public Shape
{
private:
typedef std::list<ReferenceCounting<Object> > ObjectList;
public:
typedef std::list<ReferenceCounting<Object> >::iterator iterator;
typedef std::list<ReferenceCounting<Object> >::const_iterator const_iterator;
private:
//! The list of shapes contained in the difference.
ObjectList __objects;
//! Returns \p true if the point \a p is inside the Difference.
inline bool inShape (const TinyVector<3, real_t>& p) const;
//! Prints the Difference informations using the stream \a s.
std::ostream& put(std::ostream& s) const;
public:
const const_iterator begin() const
{
return __objects.begin();
}
iterator begin()
{
return __objects.begin();
}
const const_iterator end() const
{
return __objects.end();
}
iterator end()
{
return __objects.end();
}
//! Adds the shape \a O inside the Difference.
inline void push_back(const ReferenceCounting<Object>& o);
//! Default constructor.
Difference()
: Shape(Shape::difference)
{
;
}
//! Copy constructor.
Difference(const Difference& D)
: Shape(D),
__objects(D.__objects)
{
;
}
//! Destructor.
~Difference()
{
;
}
};
//! Adds the Object \a O inside the Difference.
void Difference::push_back(const ReferenceCounting<Object>& o)
{
__objects.push_back(o);
}
//! Returns \p true if the point \a p is inside the Difference.
inline bool Difference::inShape (const TinyVector<3, real_t>& p) const
{
assert(__objects.begin() != __objects.end());
const_iterator i = __objects.begin();
if (not((*(*i)).inside(p))) {
return false;
}
++i;
for (; i != __objects.end(); i++) {
if((*(*i)).inside(p)) return false;
}
return true;
}
#endif // DIFFERENCE_HPP
|
