Content-type: text/html Man page of mlib_ImageBlendRGBA2BGRA

mlib_ImageBlendRGBA2BGRA

Section: mediaLib Library Functions (3MLIB)
Updated: 2 Mar 2007
Index Return to Main Contents
 

NAME

mlib_ImageBlendRGBA2BGRA - image blending and channel reordering  

SYNOPSIS

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

mlib_status mlib_ImageBlendRGBA2BGRA(mlib_image *dst,
    const mlib_image *src);

 

DESCRIPTION

The mlib_ImageBlendRGBA2BGRA() function blends the source image of the RGBA format into the destination image of the BGRA format.

The image type must be MLIB_BYTE. The source and destination images must contain four channels.

It uses the following equation:

Cd = Cs*As + Cd*(1 - As)
Ad = Ad

where, Cs and Cd are the RGB color components of the source and destination images, respectively. As and Ad are the alpha components of the source and destination images, respectively.  

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 TYPEATTRIBUTE VALUE

Interface StabilityCommitted

MT-Level

 

SEE ALSO

mlib_ImageBlendRGBA2ARGB(3MLIB), mlib_ImageBlend_OMSA_SA_Inp(3MLIB), attributes(5)


 

Index

NAME
SYNOPSIS
DESCRIPTION
PARAMETERS
RETURN VALUES
ATTRIBUTES
SEE ALSO

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Time: 02:38:27 GMT, October 02, 2010