man pages section 3: Multimedia Library Functions

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Updated: July 2014
 
 

mlib_ImageColorRGB2CIEMono(3MLIB)

Name

mlib_ImageColorRGB2CIEMono - RGB to monochrome conversion

Synopsis

cc [ flag... ] file... –lmlib [ library... ]
#include <mlib.h>

mlib_status mlib_ImageColorRGB2CIEMono(mlib_image *dst,
     const mlib_image *src);

Description

The mlib_ImageColorRGB2CIEMono() function performs a conversion from a red/green/blue to a monochromatic image. The source image must be a three-channel image. The destination image must be a single-channel image.

It uses the following equation:

dst[x][y][0] = 0.2125*src[x][y][0] +
               0.7154*src[x][y][1] +
               0.0721*src[x][y][2]

Parameters

The function takes the following arguments:

dst

Pointer to destination image.

src

Pointer to source image.

Return Values

The function returns MLIB_SUCCESS if successful. Otherwise it returns MLIB_FAILURE.

Attributes

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPE
ATTRIBUTE VALUE
Interface Stability
Committed
MT-Level
MT-Safe

See also

mlib_ImageColorRGB2CIEMono_Fp(3MLIB), mlib_ImageColorRGB2Mono(3MLIB), mlib_ImageColorRGB2Mono_Fp(3MLIB), attributes(5)