cv::Scalar_< _Tp > Class Template Reference

The template scalar class. More...

#include <core.hpp>

Inherits cv::Vec< _Tp, 4 >.

List of all members.

Public Types
enum
typedef _Tp	value_type
Public Member Functions
	Scalar_ ()
	various constructors
	Scalar_ (_Tp v0, _Tp v1, _Tp v2=0, _Tp v3=0)
	Scalar_ (const CvScalar &s)
	Scalar_ (_Tp v0)
	operator CvScalar () const
	conversion to the old-style CvScalar
template<typename T2 >
	operator Scalar_< T2 > () const
	conversion to another data type
Scalar_< _Tp >	mul (const Scalar_< _Tp > &t, double scale=1) const
	per-element product
Scalar_< _Tp >	conj () const
	conjugation (makes sense for complex numbers and quaternions)
bool	isReal () const
Vec	mul (const Vec< _Tp, cn > &v) const
	per-element multiplication
Vec	cross (const Vec &v) const
	cross product of the two 3D vectors.
	operator Vec< T2, cn > () const
	convertion to another data type
const _Tp &	operator[] (int i) const
	element access
_Tp &	operator[] (int i)
const _Tp &	operator() (int i) const
_Tp &	operator() (int i)
Static Public Member Functions
static Scalar_< _Tp >	all (_Tp v0)
	returns a scalar with all elements set to v0

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Detailed Description

template<typename _Tp>
class cv::Scalar_< _Tp >

The template scalar class.

This is partially specialized cv::Vec class with the number of elements = 4, i.e. a short vector of four elements. Normally, cv::Scalar ~ cv::Scalar_<double> is used.

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Member Typedef Documentation

typedef _Tp cv::Vec< _Tp, cn >::value_type [inherited]

Reimplemented from cv::Matx< _Tp, cn, 1 >.

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Member Enumeration Documentation

anonymous enum [inherited]

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Constructor & Destructor Documentation

template<typename _Tp >

cv::Scalar_< _Tp >::Scalar_

(

)

various constructors

template<typename _Tp>

cv::Scalar_< _Tp >::Scalar_	(	_Tp	v0,
		_Tp	v1,
		_Tp	v2 = 0,
		_Tp	v3 = 0
	)

template<typename _Tp>

cv::Scalar_< _Tp >::Scalar_

(

const CvScalar &

s

)

template<typename _Tp>

cv::Scalar_< _Tp >::Scalar_

(

_Tp

v0

)

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Member Function Documentation

template<typename _Tp>

Scalar_< _Tp > cv::Scalar_< _Tp >::all

(

_Tp

v0

)

[static]

returns a scalar with all elements set to v0

Reimplemented from cv::Vec< _Tp, 4 >.

template<typename _Tp >

cv::Scalar_< _Tp >::operator CvScalar

(

)

const

conversion to the old-style CvScalar

Reimplemented from cv::Vec< _Tp, 4 >.

template<typename _Tp >

template<typename T2 >

cv::Scalar_< _Tp >::operator Scalar_< T2 >

(

)

const

conversion to another data type

template<typename _Tp>

Scalar_< _Tp > cv::Scalar_< _Tp >::mul	(	const Scalar_< _Tp > &	t,
		double	scale = 1
	)		const

per-element product

template<typename _Tp >

Scalar_< _Tp > cv::Scalar_< _Tp >::conj

(

)

const

conjugation (makes sense for complex numbers and quaternions)

Reimplemented from cv::Vec< _Tp, 4 >.

template<typename _Tp >

bool cv::Scalar_< _Tp >::isReal

(

)

const

Vec cv::Vec< _Tp, cn >::mul

(

const Vec< _Tp, cn > &

v

)

const [inherited]

per-element multiplication

Vec cv::Vec< _Tp, cn >::cross

(

const Vec< _Tp, 4 > &

v

)

const [inherited]

cross product of the two 3D vectors.

For other dimensionalities the exception is raised

cv::Vec< _Tp, cn >::operator Vec< T2, cn >

(

)

const [inherited]

convertion to another data type

const _Tp& cv::Vec< _Tp, cn >::operator[]

(

int

i

)

const [inherited]

element access

_Tp& cv::Vec< _Tp, cn >::operator[]

(

int

i

)

[inherited]

const _Tp& cv::Vec< _Tp, cn >::operator()

(

int

i

)

const [inherited]

_Tp& cv::Vec< _Tp, cn >::operator()

(

int

i

)

[inherited]

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The documentation for this class was generated from the following files:

• include/opencv2/core/core.hpp
• include/opencv2/core/operations.hpp