mlib_ImageBlendRGBA2ARGB(3mediaLib Library Funcmlib_ImageBlendRGBA2ARGB(3MLIB)NAMEmlib_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 desti‐
nation 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 ALSOmlib_ImageBlendRGBA2BGRA(3MLIB), mlib_ImageBlend_OMSA_SA_Inp(3MLIB),
attributes(5)SunOS 5.10 2 Mar 2007 mlib_ImageBlendRGBA2ARGB(3MLIB)