forked from InsightSoftwareConsortium/ITK
-
Notifications
You must be signed in to change notification settings - Fork 0
/
itkRGBAPixel.txx
103 lines (87 loc) · 1.99 KB
/
itkRGBAPixel.txx
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
/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkRGBAPixel.txx
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef __itkRGBAPixel_txx
#define __itkRGBAPixel_txx
#include "itkRGBAPixel.h"
#include "itkNumericTraits.h"
namespace itk
{
/**
* Assignment Operator
*/
template<class T>
RGBAPixel<T>&
RGBAPixel<T>
::operator= (const Self& r)
{
BaseArray::operator=(r);
return *this;
}
/*
* Assigment from a plain array
*/
template<class T>
RGBAPixel<T>&
RGBAPixel<T>
::operator= (const ComponentType r[4])
{
BaseArray::operator=(r);
return *this;
}
/*
* Compute luminance
*/
template<class T>
typename RGBAPixel<T>::ComponentType
RGBAPixel<T>
::GetLuminance() const
{
const double luminance =
0.30 * this->GetRed() +
0.59 * this->GetGreen() +
0.11 * this->GetBlue();
return static_cast<ComponentType>( luminance );
}
/**
* Print content to an ostream
*/
template<class TComponent>
std::ostream &
operator<<(std::ostream& os,const RGBAPixel<TComponent> & c )
{
os << c[0] << " ";
os << c[1] << " ";
os << c[2] << " ";
os << c[3];
return os;
}
/**
* Read content from an istream
*/
template<class TComponent>
std::istream &
operator>>(std::istream& is, RGBAPixel<TComponent> & c )
{
TComponent red;
TComponent green;
TComponent blue;
TComponent alpha;
is >> red >> green >> blue;
c.SetRed( red );
c.SetGreen( green );
c.SetBlue( blue );
c.SetAlpha( alpha );
return is;
}
} // end namespace itk
#endif