Simd Library Documentation.

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Operations

Various mathematical operations with images. More...

Functions

SIMD_API void SimdOperationBinary8u (const uint8_t *a, size_t aStride, const uint8_t *b, size_t bStride, size_t width, size_t height, size_t channelCount, uint8_t *dst, size_t dstStride, SimdOperationBinary8uType type)
 Performs given operation between two images. More...
 
SIMD_API void SimdOperationBinary16i (const uint8_t *a, size_t aStride, const uint8_t *b, size_t bStride, size_t width, size_t height, uint8_t *dst, size_t dstStride, SimdOperationBinary16iType type)
 Performs given operation between two images. More...
 
SIMD_API void SimdVectorProduct (const uint8_t *vertical, const uint8_t *horizontal, uint8_t *dst, size_t stride, size_t width, size_t height)
 Calculates result 8-bit gray image as product of two vectors. More...
 
template<template< class > class A>
SIMD_INLINE void OperationBinary8u (const View< A > &a, const View< A > &b, View< A > &dst, SimdOperationBinary8uType type)
 Performs given operation between two images. More...
 
template<template< class > class A>
SIMD_INLINE void OperationBinary16i (const View< A > &a, const View< A > &b, View< A > &dst, SimdOperationBinary16iType type)
 Performs given operation between two images. More...
 
template<template< class > class A>
SIMD_INLINE void VectorProduct (const uint8_t *vertical, const uint8_t *horizontal, View< A > &dst)
 Calculates result 8-bit gray image as product of two vectors. More...
 

Detailed Description

Various mathematical operations with images.

Function Documentation

void SimdOperationBinary8u ( const uint8_t *  a,
size_t  aStride,
const uint8_t *  b,
size_t  bStride,
size_t  width,
size_t  height,
size_t  channelCount,
uint8_t *  dst,
size_t  dstStride,
SimdOperationBinary8uType  type 
)

Performs given operation between two images.

All images must have the same width, height and format (8-bit gray, 16-bit UV (UV plane of NV12 pixel format), 24-bit BGR or 32-bit BGRA).

Note
This function has a C++ wrappers: Simd::OperationBinary8u(const View<A>& a, const View<A>& b, View<A>& dst, SimdOperationBinary8uType type).
Parameters
[in]a- a pointer to pixels data of the first input image.
[in]aStride- a row size of the first image.
[in]b- a pointer to pixels data of the second input image.
[in]bStride- a row size of the second image.
[in]width- an image width.
[in]height- an image height.
[in]channelCount- a channel count.
[out]dst- a pointer to pixels data of output image.
[in]dstStride- a row size of dst image.
[in]type- a type of operation (see SimdOperationBinary8uType).
void SimdOperationBinary16i ( const uint8_t *  a,
size_t  aStride,
const uint8_t *  b,
size_t  bStride,
size_t  width,
size_t  height,
uint8_t *  dst,
size_t  dstStride,
SimdOperationBinary16iType  type 
)

Performs given operation between two images.

All images must have the same width, height and SimdPixelFormatInt16 pixel format.

Note
This function has a C++ wrappers: Simd::OperationBinary16i(const View<A>& a, const View<A>& b, View<A>& dst, SimdOperationBinary16iType type).
Parameters
[in]a- a pointer to pixels data of the first input image.
[in]aStride- a row size of the first image.
[in]b- a pointer to pixels data of the second input image.
[in]bStride- a row size of the second image.
[in]width- an image width.
[in]height- an image height.
[out]dst- a pointer to pixels data of output image.
[in]dstStride- a row size of dst image.
[in]type- a type of operation (see SimdOperationBinary16iType).
void SimdVectorProduct ( const uint8_t *  vertical,
const uint8_t *  horizontal,
uint8_t *  dst,
size_t  stride,
size_t  width,
size_t  height 
)

Calculates result 8-bit gray image as product of two vectors.

For all points:

dst[x, y] = horizontal[x]*vertical[y]/255;
Note
This function has a C++ wrappers: Simd::VectorProduct(const uint8_t * vertical, const uint8_t * horizontal, View<A>& dst).
Parameters
[in]vertical- a pointer to pixels data of vertical vector. It length is equal to result image height.
[in]horizontal- a pointer to pixels data of horizontal vector. It length is equal to result image width.
[out]dst- a pointer to pixels data of result image.
[in]stride- a row size of dst image.
[in]width- an image width.
[in]height- an image height.
void OperationBinary8u ( const View< A > &  a,
const View< A > &  b,
View< A > &  dst,
SimdOperationBinary8uType  type 
)

Performs given operation between two images.

All images must have the same width, height and format (8-bit gray, 16-bit UV (UV plane of NV12 pixel format), 24-bit BGR or 32-bit BGRA).

Note
This function is a C++ wrapper for function SimdOperationBinary8u.
Parameters
[in]a- a first input image.
[in]b- a second input image.
[out]dst- an output image.
[in]type- a type of operation (see SimdOperationBinary8uType).
void OperationBinary16i ( const View< A > &  a,
const View< A > &  b,
View< A > &  dst,
SimdOperationBinary16iType  type 
)

Performs given operation between two images.

All images must have the same width, height and Simd::View::Int16 pixel format.

Note
This function is a C++ wrapper for function SimdOperationBinary16i.
Parameters
[in]a- a first input image.
[in]b- a second input image.
[out]dst- an output image.
[in]type- a type of operation (see SimdOperationBinary16iType).
void VectorProduct ( const uint8_t *  vertical,
const uint8_t *  horizontal,
View< A > &  dst 
)

Calculates result 8-bit gray image as product of two vectors.

For all points:

dst[x, y] = horizontal[x]*vertical[y]/255;
Note
This function is a C++ wrapper for function SimdVectorProduct.
Parameters
[in]vertical- a pointer to pixels data of vertical vector. It length is equal to result image height.
[in]horizontal- a pointer to pixels data of horizontal vector. It length is equal to result image width.
[out]dst- a result image.