OpenCV
4.10.0
Open Source Computer Vision
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Template class for a 4-element vector derived from Vec. More...
#include <opencv2/core/types.hpp>
Public Member Functions | |
Scalar_ () | |
default constructor | |
Scalar_ (_Tp v0) | |
Scalar_ (_Tp v0, _Tp v1, _Tp v2=0, _Tp v3=0) | |
Scalar_ (const Scalar_ &s) | |
template<typename _Tp2 , int cn> | |
Scalar_ (const Vec< _Tp2, cn > &v) | |
Scalar_ (Scalar_ &&s) CV_NOEXCEPT | |
Scalar_< _Tp > | conj () const |
returns (v0, -v1, -v2, -v3) | |
bool | isReal () const |
returns true iff v1 == v2 == v3 == 0 | |
Scalar_< _Tp > | mul (const Scalar_< _Tp > &a, double scale=1) const |
per-element product | |
template<typename T2 > | |
operator Scalar_< T2 > () const | |
conversion to another data type | |
Scalar_ & | operator= (const Scalar_ &s) |
Scalar_ & | operator= (Scalar_ &&s) CV_NOEXCEPT |
Public Member Functions inherited from cv::Vec< _Tp, 4 > | |
Vec () | |
default constructor | |
Vec (_Tp v0) | |
1-element vector constructor | |
Vec (_Tp v0, _Tp v1) | |
2-element vector constructor | |
Vec (_Tp v0, _Tp v1, _Tp v2) | |
3-element vector constructor | |
Vec (_Tp v0, _Tp v1, _Tp v2, _Tp v3) | |
4-element vector constructor | |
Vec (_Tp v0, _Tp v1, _Tp v2, _Tp v3, _Tp v4) | |
5-element vector constructor | |
Vec (_Tp v0, _Tp v1, _Tp v2, _Tp v3, _Tp v4, _Tp v5) | |
6-element vector constructor | |
Vec (_Tp v0, _Tp v1, _Tp v2, _Tp v3, _Tp v4, _Tp v5, _Tp v6) | |
7-element vector constructor | |
Vec (_Tp v0, _Tp v1, _Tp v2, _Tp v3, _Tp v4, _Tp v5, _Tp v6, _Tp v7) | |
8-element vector constructor | |
Vec (_Tp v0, _Tp v1, _Tp v2, _Tp v3, _Tp v4, _Tp v5, _Tp v6, _Tp v7, _Tp v8) | |
9-element vector constructor | |
Vec (_Tp v0, _Tp v1, _Tp v2, _Tp v3, _Tp v4, _Tp v5, _Tp v6, _Tp v7, _Tp v8, _Tp v9) | |
10-element vector constructor | |
Vec (_Tp v0, _Tp v1, _Tp v2, _Tp v3, _Tp v4, _Tp v5, _Tp v6, _Tp v7, _Tp v8, _Tp v9, _Tp v10, _Tp v11, _Tp v12, _Tp v13) | |
14-element vector constructor | |
Vec (const _Tp *values) | |
Vec (const Matx< _Tp, cn, 1 > &a, _T2 alpha, Matx_ScaleOp) | |
Vec (const Matx< _Tp, cn, 1 > &a, const Matx< _Tp, cn, 1 > &b, Matx_AddOp) | |
Vec (const Matx< _Tp, cn, 1 > &a, const Matx< _Tp, cn, 1 > &b, Matx_SubOp) | |
Vec (const Vec< _Tp, cn > &v) | |
Vec (std::initializer_list< _Tp >) | |
Vec | conj () const |
conjugation (makes sense for complex numbers and quaternions) | |
Vec | cross (const Vec &v) const |
Vec | mul (const Vec< _Tp, cn > &v) const |
per-element multiplication | |
operator Vec< T2, cn > () const | |
conversion to another data type | |
_Tp & | operator() (int i) |
const _Tp & | operator() (int i) const |
Vec< _Tp, cn > & | operator= (const Vec< _Tp, cn > &rhs)=default |
_Tp & | operator[] (int i) |
const _Tp & | operator[] (int i) const |
Public Member Functions inherited from cv::Matx< _Tp, cn, 1 > | |
Matx () | |
default constructor | |
Matx (_Tp v0) | |
1x1 matrix | |
Matx (_Tp v0, _Tp v1) | |
1x2 or 2x1 matrix | |
Matx (_Tp v0, _Tp v1, _Tp v2) | |
1x3 or 3x1 matrix | |
Matx (_Tp v0, _Tp v1, _Tp v2, _Tp v3) | |
1x4, 2x2 or 4x1 matrix | |
Matx (_Tp v0, _Tp v1, _Tp v2, _Tp v3, _Tp v4) | |
1x5 or 5x1 matrix | |
Matx (_Tp v0, _Tp v1, _Tp v2, _Tp v3, _Tp v4, _Tp v5) | |
1x6, 2x3, 3x2 or 6x1 matrix | |
Matx (_Tp v0, _Tp v1, _Tp v2, _Tp v3, _Tp v4, _Tp v5, _Tp v6) | |
1x7 or 7x1 matrix | |
Matx (_Tp v0, _Tp v1, _Tp v2, _Tp v3, _Tp v4, _Tp v5, _Tp v6, _Tp v7) | |
1x8, 2x4, 4x2 or 8x1 matrix | |
Matx (_Tp v0, _Tp v1, _Tp v2, _Tp v3, _Tp v4, _Tp v5, _Tp v6, _Tp v7, _Tp v8) | |
1x9, 3x3 or 9x1 matrix | |
Matx (_Tp v0, _Tp v1, _Tp v2, _Tp v3, _Tp v4, _Tp v5, _Tp v6, _Tp v7, _Tp v8, _Tp v9) | |
1x10, 2x5 or 5x2 or 10x1 matrix | |
Matx (_Tp v0, _Tp v1, _Tp v2, _Tp v3, _Tp v4, _Tp v5, _Tp v6, _Tp v7, _Tp v8, _Tp v9, _Tp v10, _Tp v11) | |
1x12, 2x6, 3x4, 4x3, 6x2 or 12x1 matrix | |
Matx (_Tp v0, _Tp v1, _Tp v2, _Tp v3, _Tp v4, _Tp v5, _Tp v6, _Tp v7, _Tp v8, _Tp v9, _Tp v10, _Tp v11, _Tp v12, _Tp v13) | |
1x14, 2x7, 7x2 or 14x1 matrix | |
Matx (_Tp v0, _Tp v1, _Tp v2, _Tp v3, _Tp v4, _Tp v5, _Tp v6, _Tp v7, _Tp v8, _Tp v9, _Tp v10, _Tp v11, _Tp v12, _Tp v13, _Tp v14, _Tp v15) | |
1x16, 4x4 or 16x1 matrix | |
Matx (const _Tp *vals) | |
initialize from a plain array | |
Matx (const Matx< _Tp, m, l > &a, const Matx< _Tp, l, n > &b, Matx_MatMulOp) | |
Matx (const Matx< _Tp, m, n > &a, _T2 alpha, Matx_ScaleOp) | |
Matx (const Matx< _Tp, m, n > &a, const Matx< _Tp, m, n > &b, Matx_AddOp) | |
Matx (const Matx< _Tp, m, n > &a, const Matx< _Tp, m, n > &b, Matx_DivOp) | |
Matx (const Matx< _Tp, m, n > &a, const Matx< _Tp, m, n > &b, Matx_MulOp) | |
Matx (const Matx< _Tp, m, n > &a, const Matx< _Tp, m, n > &b, Matx_SubOp) | |
Matx (const Matx< _Tp, n, m > &a, Matx_TOp) | |
Matx (std::initializer_list< _Tp >) | |
initialize from an initializer list | |
Matx< _Tp, m, 1 > | col (int i) const |
extract the matrix column | |
double | ddot (const Matx< _Tp, m, n > &v) const |
dot product computed in double-precision arithmetics | |
diag_type | diag () const |
extract the matrix diagonal | |
Matx< _Tp, m, n > | div (const Matx< _Tp, m, n > &a) const |
divide two matrices element-wise | |
_Tp | dot (const Matx< _Tp, m, n > &v) const |
dot product computed with the default precision | |
Matx< _Tp, m1, n1 > | get_minor (int base_row, int base_col) const |
extract part of the matrix | |
Matx< _Tp, n, m > | inv (int method=DECOMP_LU, bool *p_is_ok=NULL) const |
invert the matrix | |
Matx< _Tp, m, n > | mul (const Matx< _Tp, m, n > &a) const |
multiply two matrices element-wise | |
operator Matx< T2, m, n > () const | |
conversion to another data type | |
_Tp & | operator() (int i) |
const _Tp & | operator() (int i) const |
1D element access | |
_Tp & | operator() (int row, int col) |
const _Tp & | operator() (int row, int col) const |
element access | |
Matx< _Tp, m1, n1 > | reshape () const |
change the matrix shape | |
Matx< _Tp, 1, n > | row (int i) const |
extract the matrix row | |
Matx< _Tp, n, l > | solve (const Matx< _Tp, m, l > &rhs, int flags=DECOMP_LU) const |
solve linear system | |
Vec< _Tp, n > | solve (const Vec< _Tp, m > &rhs, int method) const |
Matx< _Tp, n, m > | t () const |
transpose the matrix | |
Static Public Member Functions | |
static Scalar_< _Tp > | all (_Tp v0) |
returns a scalar with all elements set to v0 | |
Static Public Member Functions inherited from cv::Vec< _Tp, 4 > | |
static Vec | all (_Tp alpha) |
static Vec | diag (_Tp alpha)=delete |
static Vec | eye ()=delete |
static Vec | ones () |
static Vec | randn (_Tp a, _Tp b) |
static Vec | randu (_Tp a, _Tp b) |
static Vec | zeros () |
Static Public Member Functions inherited from cv::Matx< _Tp, cn, 1 > | |
static CV_NODISCARD_STD Matx | all (_Tp alpha) |
static CV_NODISCARD_STD Matx | diag (const diag_type &d) |
static CV_NODISCARD_STD Matx | eye () |
static CV_NODISCARD_STD Matx | ones () |
static CV_NODISCARD_STD Matx | randn (_Tp a, _Tp b) |
Generates normally distributed random numbers. | |
static CV_NODISCARD_STD Matx | randu (_Tp a, _Tp b) |
Generates uniformly distributed random numbers. | |
static CV_NODISCARD_STD Matx | zeros () |
Additional Inherited Members | |
Public Types inherited from cv::Vec< _Tp, 4 > | |
enum | |
typedef _Tp | value_type |
Public Types inherited from cv::Matx< _Tp, cn, 1 > | |
enum | |
typedef Matx< _Tp, shortdim, 1 > | diag_type |
typedef Matx< _Tp, m, n > | mat_type |
typedef _Tp | value_type |
Public Attributes inherited from cv::Matx< _Tp, cn, 1 > | |
_Tp | val [m *n] |
matrix elements | |
Template class for a 4-element vector derived from Vec.
Being derived from Vec<_Tp, 4> , Scalar_ and Scalar can be used just as typical 4-element vectors. In addition, they can be converted to/from CvScalar . The type Scalar is widely used in OpenCV to pass pixel values.
cv::Scalar_< _Tp >::Scalar_ | ( | ) |
default constructor
cv::Scalar_< _Tp >::Scalar_ | ( | _Tp | v0 | ) |
cv::Scalar_< _Tp >::Scalar_ | ( | const Scalar_< _Tp > & | s | ) |
cv::Scalar_< _Tp >::Scalar_ | ( | Scalar_< _Tp > && | s | ) |
cv::Scalar_< _Tp >::Scalar_ | ( | const Vec< _Tp2, cn > & | v | ) |
returns a scalar with all elements set to v0
Scalar_< _Tp > cv::Scalar_< _Tp >::conj | ( | ) | const |
returns (v0, -v1, -v2, -v3)
bool cv::Scalar_< _Tp >::isReal | ( | ) | const |
returns true iff v1 == v2 == v3 == 0
Scalar_< _Tp > cv::Scalar_< _Tp >::mul | ( | const Scalar_< _Tp > & | a, |
double | scale = 1 |
||
) | const |
per-element product
conversion to another data type