crn::SummedAreaTable< T > Class Template Reference

A summed area table. More...

#include <CRNSummedAreaTable.h>

Public Member Functions
	SummedAreaTable (size_t w, size_t h)
	Constructor. More...
	SummedAreaTable (const SummedAreaTable &)=default
	SummedAreaTable (SummedAreaTable &&)=default
SummedAreaTable &	operator= (const SummedAreaTable &)=default
SummedAreaTable &	operator= (SummedAreaTable &&)=default
T	GetValue (size_t x, size_t y) const
	Gets the value of a bin. More...
void	SetValue (size_t x, size_t y, T val)
	Alters the value of a bin. More...
T	GetSum (const crn::Rect &r) const
	Gets the sum of the original pixels in a rectangle. More...
T	GetSum (size_t x1, size_t y1, size_t x2, size_t y2) const
	Gets the sum of the original pixels in a rectangle. More...

Detailed Description

template<typename T>
class crn::SummedAreaTable< T >

A summed area table.

A summed area table. Used to compute fast square sums in an image

Author

Yann LEYDIER

Date

Jul. 2013

Version

0.1

Definition at line 41 of file CRNSummedAreaTable.h.

Constructor & Destructor Documentation

template<typename T >

crn::SummedAreaTable< T >::SummedAreaTable ( size_t  w, size_t  h  )

inline

Constructor.

Definition at line 45 of file CRNSummedAreaTable.h.

template<typename T >

crn::SummedAreaTable< T >::SummedAreaTable ( const SummedAreaTable< T > &  )

default

template<typename T >

crn::SummedAreaTable< T >::SummedAreaTable ( SummedAreaTable< T > &&  )

default

Member Function Documentation

template<typename T >

T crn::SummedAreaTable< T >::GetSum ( const crn::Rect &  r ) const

inline

Gets the sum of the original pixels in a rectangle.

Exceptions

ExceptionDimension

the rectangle exceeds the image's dimensions

Parameters

[in]

r

the rectangle to sum

Returns

the sum of the original pixels in the rectangle

Definition at line 62 of file CRNSummedAreaTable.h.

template<typename T >

T crn::SummedAreaTable< T >::GetSum ( size_t  x1, size_t  y1, size_t  x2, size_t  y2  ) const

inline

Gets the sum of the original pixels in a rectangle.

Warning

No bound check is performed

Parameters

[in]	x1	left border
[in]	y1	top border
[in]	x2	right border
[in]	y2	bottom border

Returns

the sum of the original pixels in the rectangle

Definition at line 77 of file CRNSummedAreaTable.h.

template<typename T >

T crn::SummedAreaTable< T >::GetValue ( size_t  x, size_t  y  ) const

inline

Gets the value of a bin.

Definition at line 53 of file CRNSummedAreaTable.h.

template<typename T >

SummedAreaTable& crn::SummedAreaTable< T >::operator= ( const SummedAreaTable< T > &  )

default

template<typename T >

SummedAreaTable& crn::SummedAreaTable< T >::operator= ( SummedAreaTable< T > &&  )

default

template<typename T >

void crn::SummedAreaTable< T >::SetValue ( size_t  x, size_t  y, T  val  )

inline

Alters the value of a bin.

Definition at line 55 of file CRNSummedAreaTable.h.

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

• /home/travis/build/Liris-Pleiad/libcrn/src/libcrn/CRNImage/CRNSummedAreaTable.h