mediaLib Library Functions        mlibImageBlendRGBA2BGRA(3MLIB)



NAME
     mlibImageBlendRGBA2BGRA - image blending and channel reord-
     ering

SYNOPSIS
     cc [ flag... ] file... -lmlib [ library... ]
     #include 

     mlibstatus mlibImageBlendRGBA2BGRA(mlibimage *dst,
          const mlibimage *src);


DESCRIPTION
     The mlibImageBlendRGBA2BGRA() function  blends  the  source
     image  of  the RGBA format into the destination image of the
     BGRA format.


     The image type must be MLIBYTE. 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 MLIBSUCES if  successful.  Otherwise
     it returns MLIBFAILURE.

ATRIBUTES
     See attributes(5) for descriptions of the  following  attri-
     butes:





SunOS 5.11           Last change: 2 Mar 2007                    1






mediaLib Library Functions        mlibImageBlendRGBA2BGRA(3MLIB)



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


SEE ALSO
     mlibImageBlendRGBA2ARGB(3MLIB),
     mlibImageBlendOMSASAInp(3MLIB), attributes(5)











































SunOS 5.11           Last change: 2 Mar 2007                    2