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
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
*/
#pragma once
#include <ostream>
#include <basegfx/tuple/b2ituple.hxx>
#include <basegfx/basegfxdllapi.h>
namespace basegfx
{
class B2DHomMatrix;
/** Base Point class with two sal_Int32 values
This class derives all operators and common handling for
a 2D data class from B2ITuple. All necessary extensions
which are special for 2D Vectors are added here.
@see B2ITuple
*/
class BASEGFX_DLLPUBLIC B2IVector : public ::basegfx::B2ITuple
{
public:
/** Create a 2D Vector
The vector is initialized to (0, 0)
*/
B2IVector()
: B2ITuple()
{}
/** Create a 2D Vector
@param nX
This parameter is used to initialize the X-coordinate
of the 2D Vector.
@param nY
This parameter is used to initialize the Y-coordinate
of the 2D Vector.
*/
B2IVector(sal_Int32 nX, sal_Int32 nY)
: B2ITuple(nX, nY)
{}
/** constructor with tuple to allow copy-constructing
from B2ITuple-based classes
*/
B2IVector(const ::basegfx::B2ITuple& rTuple)
: B2ITuple(rTuple)
{}
/** *=operator to allow usage from B2IVector, too
*/
B2IVector& operator*=( const B2IVector& rPnt )
{
mnX *= rPnt.mnX;
mnY *= rPnt.mnY;
return *this;
}
/** *=operator to allow usage from B2IVector, too
*/
B2IVector& operator*=(sal_Int32 t)
{
mnX *= t;
mnY *= t;
return *this;
}
/** assignment operator to allow assigning the results
of B2ITuple calculations
*/
B2IVector& operator=( const ::basegfx::B2ITuple& rVec );
/** Set the length of this 2D Vector
@param fLen
The to be achieved length of the 2D Vector
*/
B2IVector& setLength(double fLen);
/** Calculate the Scalar with another 2D Vector
@param rVec
The second 2D Vector
@return
The Scalar value of the two involved 2D Vectors
*/
double scalar( const B2IVector& rVec ) const { return((mnX * rVec.mnX) + (mnY * rVec.mnY)); }
/** Transform vector by given transformation matrix.
Since this is a vector, translational components of the
matrix are disregarded.
*/
B2IVector& operator*=( const B2DHomMatrix& rMat );
};
// external operators
template< typename charT, typename traits >
inline std::basic_ostream<charT, traits> & operator <<(
std::basic_ostream<charT, traits> & stream, const basegfx::B2IVector& vector )
{
return stream << "(" << vector.getX() << "," << vector.getY() << ")";
}
} // end of namespace basegfx
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
