OpenCV  4.10.0
Open Source Computer Vision
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cv::cudev::GpuMat_< T > Class Template Reference

#include <opencv2/cudev/ptr2d/gpumat.hpp>

Public Types

typedef T value_type

Public Member Functions

__host__ GpuMat_ (Allocator *allocator=defaultAllocator())
 default constructor
template<class Body>
__host__ GpuMat_ (const Expr< Body > &expr)
 expression templates
__host__ GpuMat_ (const GpuMat &m, Allocator *allocator=defaultAllocator())
 copy/conversion constructor. If m is of different type, it's converted
__host__ GpuMat_ (const GpuMat_ &m)
 copy constructor
__host__ GpuMat_ (const GpuMat_ &m, Range arowRange, Range acolRange)
 selects a submatrix
__host__ GpuMat_ (const GpuMat_ &m, Rect roi)
__host__ GpuMat_ (InputArray arr, Allocator *allocator=defaultAllocator())
 builds GpuMat from host memory (Blocking call)
__host__ GpuMat_ (int arows, int acols, Allocator *allocator=defaultAllocator())
 constructs GpuMat of the specified size
__host__ GpuMat_ (int arows, int acols, Scalar val, Allocator *allocator=defaultAllocator())
 constucts GpuMat and fills it with the specified value
__host__ GpuMat_ (int arows, int acols, T *adata, size_t astep=Mat::AUTO_STEP)
 constructs a matrix on top of user-allocated data. step is in bytes(!!!), regardless of the type
__host__ GpuMat_ (Size asize, Allocator *allocator=defaultAllocator())
__host__ GpuMat_ (Size asize, Scalar val, Allocator *allocator=defaultAllocator())
__host__ GpuMat_ (Size asize, T *adata, size_t astep=Mat::AUTO_STEP)
__host__ GpuMat_adjustROI (int dtop, int dbottom, int dleft, int dright)
template<class Body>
__host__ GpuMat_assign (const Expr< Body > &expr, Stream &stream)
__host__ int channels () const
__host__ GpuMat_ clone () const
 overridden forms of GpuMat::row() etc.
__host__ GpuMat_ col (int x) const
__host__ GpuMat_ colRange (int startcol, int endcol) const
__host__ GpuMat_ colRange (Range r) const
__host__ void create (int arows, int acols)
 allocates new GpuMat data unless the GpuMat already has specified size and type
__host__ void create (Size asize)
__host__ int depth () const
__host__ size_t elemSize () const
 overridden forms of GpuMat::elemSize() etc.
__host__ size_t elemSize1 () const
__host__ GpuMat_ operator() (Range rowRange, Range colRange) const
__host__ GpuMat_ operator() (Rect roi) const
template<class Body>
__host__ GpuMat_operator= (const Expr< Body > &expr)
__host__ GpuMat_operator= (const GpuMat_ &m)
 assignment operators
__host__ T * operator[] (int y)
 more convenient forms of row and element access operators
__host__ const T * operator[] (int y) const
__host__ GpuMat_ row (int y) const
__host__ GpuMat_ rowRange (int startrow, int endrow) const
__host__ GpuMat_ rowRange (Range r) const
__host__ size_t step1 () const
__host__ size_t stepT () const
 returns step()/sizeof(T)
__host__ void swap (GpuMat_ &mat)
 swaps with other smart pointer
__host__ int type () const
__host__ void upload (InputArray arr)
 pefroms upload data to GpuMat (Blocking call)
__host__ void upload (InputArray arr, Stream &stream)
 pefroms upload data to GpuMat (Non-Blocking call)
Public Member Functions inherited from cv::cuda::GpuMat
 GpuMat (const GpuMat &m)
 copy constructor
 GpuMat (const GpuMat &m, Range rowRange, Range colRange)
 creates a GpuMat header for a part of the bigger matrix
 GpuMat (const GpuMat &m, Rect roi)
 GpuMat (GpuMat::Allocator *allocator=GpuMat::defaultAllocator())
 default constructor
 GpuMat (InputArray arr, GpuMat::Allocator *allocator=GpuMat::defaultAllocator())
 builds GpuMat from host memory (Blocking call)
 GpuMat (int rows, int cols, int type, GpuMat::Allocator *allocator=GpuMat::defaultAllocator())
 constructs GpuMat of the specified size and type
 GpuMat (int rows, int cols, int type, Scalar s, GpuMat::Allocator *allocator=GpuMat::defaultAllocator())
 constructs GpuMat and fills it with the specified value _s
 GpuMat (int rows, int cols, int type, void *data, size_t step=Mat::AUTO_STEP)
 constructor for GpuMat headers pointing to user-allocated data
 GpuMat (Size size, int type, GpuMat::Allocator *allocator=GpuMat::defaultAllocator())
 GpuMat (Size size, int type, Scalar s, GpuMat::Allocator *allocator=GpuMat::defaultAllocator())
 GpuMat (Size size, int type, void *data, size_t step=Mat::AUTO_STEP)
 ~GpuMat ()
 destructor - calls release()
GpuMatadjustROI (int dtop, int dbottom, int dleft, int dright)
 moves/resizes the current GpuMat ROI inside the parent GpuMat
void assignTo (GpuMat &m, int type=-1) const
int channels () const
 returns number of channels
GpuMat clone () const
 returns deep copy of the GpuMat, i.e. the data is copied
GpuMat col (int x) const
 returns a new GpuMat header for the specified column
GpuMat colRange (int startcol, int endcol) const
 ... for the specified column span
GpuMat colRange (Range r) const
void convertTo (GpuMat &dst, int rtype, double alpha, double beta, Stream &stream) const
 bindings overload which converts GpuMat to another datatype with scaling (Non-Blocking call)
void convertTo (GpuMat &dst, int rtype, double alpha=1.0, double beta=0.0) const
 bindings overload which converts GpuMat to another datatype with scaling(Blocking call)
void convertTo (GpuMat &dst, int rtype, Stream &stream) const
 bindings overload which converts GpuMat to another datatype (Non-Blocking call)
void convertTo (OutputArray dst, int rtype) const
 converts GpuMat to another datatype (Blocking call)
void convertTo (OutputArray dst, int rtype, double alpha, double beta, Stream &stream) const
 converts GpuMat to another datatype with scaling (Non-Blocking call)
void convertTo (OutputArray dst, int rtype, double alpha, double beta=0.0) const
 converts GpuMat to another datatype with scaling (Blocking call)
void convertTo (OutputArray dst, int rtype, double alpha, Stream &stream) const
 converts GpuMat to another datatype with scaling (Non-Blocking call)
void convertTo (OutputArray dst, int rtype, Stream &stream) const
 converts GpuMat to another datatype (Non-Blocking call)
void copyTo (GpuMat &dst) const
 bindings overload which copies the GpuMat content to device memory (Blocking call)
void copyTo (GpuMat &dst, GpuMat &mask) const
 bindings overload which copies those GpuMat elements to "m" that are marked with non-zero mask elements (Blocking call)
void copyTo (GpuMat &dst, GpuMat &mask, Stream &stream) const
 bindings overload which copies those GpuMat elements to "m" that are marked with non-zero mask elements (Non-Blocking call)
void copyTo (GpuMat &dst, Stream &stream) const
 bindings overload which copies the GpuMat content to device memory (Non-Blocking call)
void copyTo (OutputArray dst) const
 copies the GpuMat content to device memory (Blocking call)
void copyTo (OutputArray dst, InputArray mask) const
 copies those GpuMat elements to "m" that are marked with non-zero mask elements (Blocking call)
void copyTo (OutputArray dst, InputArray mask, Stream &stream) const
 copies those GpuMat elements to "m" that are marked with non-zero mask elements (Non-Blocking call)
void copyTo (OutputArray dst, Stream &stream) const
 copies the GpuMat content to device memory (Non-Blocking call)
void create (int rows, int cols, int type)
 allocates new GpuMat data unless the GpuMat already has specified size and type
void create (Size size, int type)
void * cudaPtr () const
int depth () const
 returns element type
void download (OutputArray dst) const
 Performs data download from GpuMat (Blocking call).
void download (OutputArray dst, Stream &stream) const
 Performs data download from GpuMat (Non-Blocking call).
size_t elemSize () const
 returns element size in bytes
size_t elemSize1 () const
 returns the size of element channel in bytes
bool empty () const
 returns true if GpuMat data is NULL
bool isContinuous () const
void locateROI (Size &wholeSize, Point &ofs) const
 locates GpuMat header within a parent GpuMat
template<typename _Tp>
 operator PtrStep< _Tp > () const
template<typename _Tp>
 operator PtrStepSz< _Tp > () const
GpuMat operator() (Range rowRange, Range colRange) const
 extracts a rectangular sub-GpuMat (this is a generalized form of row, rowRange etc.)
GpuMat operator() (Rect roi) const
GpuMatoperator= (const GpuMat &m)
 assignment operators
template<typename _Tp>
_Tpptr (int y=0)
 template version of the above method
ucharptr (int y=0)
 returns pointer to y-th row
template<typename _Tp>
const _Tpptr (int y=0) const
const ucharptr (int y=0) const
void release ()
 decreases reference counter, deallocate the data when reference counter reaches 0
GpuMat reshape (int cn, int rows=0) const
GpuMat row (int y) const
 returns a new GpuMat header for the specified row
GpuMat rowRange (int startrow, int endrow) const
 ... for the specified row span
GpuMat rowRange (Range r) const
GpuMatsetTo (Scalar s)
 sets some of the GpuMat elements to s (Blocking call)
GpuMatsetTo (Scalar s, InputArray mask)
 sets some of the GpuMat elements to s, according to the mask (Blocking call)
GpuMatsetTo (Scalar s, InputArray mask, Stream &stream)
 sets some of the GpuMat elements to s, according to the mask (Non-Blocking call)
GpuMatsetTo (Scalar s, Stream &stream)
 sets some of the GpuMat elements to s (Non-Blocking call)
Size size () const
 returns GpuMat size : width == number of columns, height == number of rows
size_t step1 () const
 returns step/elemSize1()
void swap (GpuMat &mat)
 swaps with other smart pointer
int type () const
 returns element type
void updateContinuityFlag ()
 internal use method: updates the continuity flag
void upload (InputArray arr)
 Performs data upload to GpuMat (Blocking call).
void upload (InputArray arr, Stream &stream)
 Performs data upload to GpuMat (Non-Blocking call).

Additional Inherited Members

Static Public Member Functions inherited from cv::cuda::GpuMat
static GpuMat::AllocatordefaultAllocator ()
 default allocator
static void setDefaultAllocator (GpuMat::Allocator *allocator)
Public Attributes inherited from cv::cuda::GpuMat
Allocatorallocator
 allocator
int cols
uchardata
 pointer to the data
const uchardataend
uchardatastart
 helper fields used in locateROI and adjustROI
int flags
int * refcount
int rows
 the number of rows and columns
size_t step
 a distance between successive rows in bytes; includes the gap if any

Member Typedef Documentation

◆ value_type

template<typename T>
typedef T cv::cudev::GpuMat_< T >::value_type

Constructor & Destructor Documentation

◆ GpuMat_() [1/13]

template<typename T>
__host__ cv::cudev::GpuMat_< T >::GpuMat_ ( Allocator * allocator = defaultAllocator())

default constructor

◆ GpuMat_() [2/13]

template<typename T>
__host__ cv::cudev::GpuMat_< T >::GpuMat_ ( int arows,
int acols,
Allocator * allocator = defaultAllocator() )

constructs GpuMat of the specified size

◆ GpuMat_() [3/13]

template<typename T>
__host__ cv::cudev::GpuMat_< T >::GpuMat_ ( Size asize,
Allocator * allocator = defaultAllocator() )
explicit

◆ GpuMat_() [4/13]

template<typename T>
__host__ cv::cudev::GpuMat_< T >::GpuMat_ ( int arows,
int acols,
Scalar val,
Allocator * allocator = defaultAllocator() )

constucts GpuMat and fills it with the specified value

◆ GpuMat_() [5/13]

template<typename T>
__host__ cv::cudev::GpuMat_< T >::GpuMat_ ( Size asize,
Scalar val,
Allocator * allocator = defaultAllocator() )

◆ GpuMat_() [6/13]

template<typename T>
__host__ cv::cudev::GpuMat_< T >::GpuMat_ ( const GpuMat_< T > & m)

copy constructor

◆ GpuMat_() [7/13]

template<typename T>
__host__ cv::cudev::GpuMat_< T >::GpuMat_ ( const GpuMat & m,
Allocator * allocator = defaultAllocator() )
explicit

copy/conversion constructor. If m is of different type, it's converted

◆ GpuMat_() [8/13]

template<typename T>
__host__ cv::cudev::GpuMat_< T >::GpuMat_ ( int arows,
int acols,
T * adata,
size_t astep = Mat::AUTO_STEP )

constructs a matrix on top of user-allocated data. step is in bytes(!!!), regardless of the type

◆ GpuMat_() [9/13]

template<typename T>
__host__ cv::cudev::GpuMat_< T >::GpuMat_ ( Size asize,
T * adata,
size_t astep = Mat::AUTO_STEP )

◆ GpuMat_() [10/13]

template<typename T>
__host__ cv::cudev::GpuMat_< T >::GpuMat_ ( const GpuMat_< T > & m,
Range arowRange,
Range acolRange )

selects a submatrix

◆ GpuMat_() [11/13]

template<typename T>
__host__ cv::cudev::GpuMat_< T >::GpuMat_ ( const GpuMat_< T > & m,
Rect roi )

◆ GpuMat_() [12/13]

template<typename T>
__host__ cv::cudev::GpuMat_< T >::GpuMat_ ( InputArray arr,
Allocator * allocator = defaultAllocator() )
explicit

builds GpuMat from host memory (Blocking call)

◆ GpuMat_() [13/13]

template<typename T>
template<class Body>
__host__ cv::cudev::GpuMat_< T >::GpuMat_ ( const Expr< Body > & expr)

expression templates

Member Function Documentation

◆ adjustROI()

template<typename T>
__host__ GpuMat_ & cv::cudev::GpuMat_< T >::adjustROI ( int dtop,
int dbottom,
int dleft,
int dright )

◆ assign()

template<typename T>
template<class Body>
__host__ GpuMat_ & cv::cudev::GpuMat_< T >::assign ( const Expr< Body > & expr,
Stream & stream )

◆ channels()

template<typename T>
__host__ int cv::cudev::GpuMat_< T >::channels ( ) const

◆ clone()

template<typename T>
__host__ GpuMat_ cv::cudev::GpuMat_< T >::clone ( ) const

overridden forms of GpuMat::row() etc.

◆ col()

template<typename T>
__host__ GpuMat_ cv::cudev::GpuMat_< T >::col ( int x) const

◆ colRange() [1/2]

template<typename T>
__host__ GpuMat_ cv::cudev::GpuMat_< T >::colRange ( int startcol,
int endcol ) const

◆ colRange() [2/2]

template<typename T>
__host__ GpuMat_ cv::cudev::GpuMat_< T >::colRange ( Range r) const

◆ create() [1/2]

template<typename T>
__host__ void cv::cudev::GpuMat_< T >::create ( int arows,
int acols )

allocates new GpuMat data unless the GpuMat already has specified size and type

◆ create() [2/2]

template<typename T>
__host__ void cv::cudev::GpuMat_< T >::create ( Size asize)

◆ depth()

template<typename T>
__host__ int cv::cudev::GpuMat_< T >::depth ( ) const

◆ elemSize()

template<typename T>
__host__ size_t cv::cudev::GpuMat_< T >::elemSize ( ) const

overridden forms of GpuMat::elemSize() etc.

◆ elemSize1()

template<typename T>
__host__ size_t cv::cudev::GpuMat_< T >::elemSize1 ( ) const

◆ operator()() [1/2]

template<typename T>
__host__ GpuMat_ cv::cudev::GpuMat_< T >::operator() ( Range rowRange,
Range colRange ) const

◆ operator()() [2/2]

template<typename T>
__host__ GpuMat_ cv::cudev::GpuMat_< T >::operator() ( Rect roi) const

◆ operator=() [1/2]

template<typename T>
template<class Body>
__host__ GpuMat_ & cv::cudev::GpuMat_< T >::operator= ( const Expr< Body > & expr)

◆ operator=() [2/2]

template<typename T>
__host__ GpuMat_ & cv::cudev::GpuMat_< T >::operator= ( const GpuMat_< T > & m)

assignment operators

◆ operator[]() [1/2]

template<typename T>
__host__ T * cv::cudev::GpuMat_< T >::operator[] ( int y)

more convenient forms of row and element access operators

◆ operator[]() [2/2]

template<typename T>
__host__ const T * cv::cudev::GpuMat_< T >::operator[] ( int y) const

◆ row()

template<typename T>
__host__ GpuMat_ cv::cudev::GpuMat_< T >::row ( int y) const

◆ rowRange() [1/2]

template<typename T>
__host__ GpuMat_ cv::cudev::GpuMat_< T >::rowRange ( int startrow,
int endrow ) const

◆ rowRange() [2/2]

template<typename T>
__host__ GpuMat_ cv::cudev::GpuMat_< T >::rowRange ( Range r) const

◆ step1()

template<typename T>
__host__ size_t cv::cudev::GpuMat_< T >::step1 ( ) const

◆ stepT()

template<typename T>
__host__ size_t cv::cudev::GpuMat_< T >::stepT ( ) const

returns step()/sizeof(T)

◆ swap()

template<typename T>
__host__ void cv::cudev::GpuMat_< T >::swap ( GpuMat_< T > & mat)

swaps with other smart pointer

◆ type()

template<typename T>
__host__ int cv::cudev::GpuMat_< T >::type ( ) const

◆ upload() [1/2]

template<typename T>
__host__ void cv::cudev::GpuMat_< T >::upload ( InputArray arr)

pefroms upload data to GpuMat (Blocking call)

◆ upload() [2/2]

template<typename T>
__host__ void cv::cudev::GpuMat_< T >::upload ( InputArray arr,
Stream & stream )

pefroms upload data to GpuMat (Non-Blocking call)


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