mediaLib Library Functions mlib_ImageBlendRGBA2ARGB(3MLIB)
NAME
mlib_ImageBlendRGBA2ARGB - image blending and channel reord-
eringSYNOPSIS
cc [ flag... ] file... -lmlib [ library... ]
#include
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 attri-
butes:SunOS 5.11 Last change: 2 Mar 2007 1
mediaLib Library Functions mlib_ImageBlendRGBA2ARGB(3MLIB)
____________________________________________________________
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
|_____________________________|_____________________________|
| Interface Stability | Committed ||_____________________________|_____________________________|
| MT-Level | MT-Safe |
|_____________________________|_____________________________|
SEE ALSO
mlib_ImageBlendRGBA2BGRA(3MLIB),
mlib_ImageBlend_OMSA_SA_Inp(3MLIB), attributes(5)
SunOS 5.11 Last change: 2 Mar 2007 2