mlib_ImageBlendRGBA2ARGB(3MLIB)

Name

mlib_ImageBlendRGBA2ARGB - image blending and channel reordering

Synopsis

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

mlib_status mlib_ImageBlendRGBA2ARGB(mlib_image *dst,
     const mlib_image *src);

Description

The mlib_ImageBlendRGBA2ARGB() function blends the source image of the RGBA format into the destination image of the ARGB 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 TYPE ATTRIBUTE VALUE Interface Stability Committed MT-Level MT-Safe

See also

mlib_ImageBlendRGBA2BGRA(3MLIB), mlib_ImageBlend_OMSA_SA_Inp(3MLIB), attributes(5)