mediaLib Library Functions                  mlibImageZoom(3MLIB)



NAME
     mlibImageZoom - zoom

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

     mlibstatus mlibImageZoom(mlibimage *dst, const mlibimage *src,
          mlibd64 zoomx, mlibd64 zoomy, mlibfilter filter, mlibedge edge);


DESCRIPTION
     The mlibImageZoom() function will  enlarge  or  minify  the
     source image by the X and Y zoom factors. It uses the inter-
     polation method as described by the resampling filter.


     The data type of the  images  can  be  MLIBIT,  MLIBYTE,
     MLIBSHORT, MLIBUSHORT, or MLIBINT.


     The center of the upper-left corner pixel  of  an  image  is
     located at (0.5, 0.5).


     The width and height of the destination image  can  be  dif-
     ferent from those of the source image.


     The center of the source image is mapped onto the center  of
     the destination image.

PARAMETERS
     The function takes the following arguments:

     dst       Pointer to destination image.


     src       Pointer to source image.


     zoomx     X zoom factor. zoomx > 0.0.


     zoomy     Y zoom factor. zoomy > 0.0.


     filter    Type of resampling filter. It can be  one  of  the
               following:

                 MLIBNEAREST
                 MLIBILINEAR



SunOS 5.11           Last change: 2 Mar 2007                    1






mediaLib Library Functions                  mlibImageZoom(3MLIB)



                 MLIBICUBIC
                 MLIBICUBIC2



     edge      Type of edge condition. It can be one of the  fol-
               lowing:

                 MLIBEDGEDSTNOWRITE
                 MLIBEDGEDSTFILZERO
                 MLIBEDGEOPNEAREST
                 MLIBEDGESRCEXTEND
                 MLIBEDGESRCEXTENDINDEF
                 MLIBEDGESRCPADED



RETURN VALUES
     The function returns MLIBSUCES if  successful.  Otherwise
     it returns MLIBFAILURE.

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



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


SEE ALSO
     mlibImageZoomFp(3MLIB),         mlibImageZoomIn2X(3MLIB),
     mlibImageZoomIn2XFp(3MLIB),
     mlibImageZoomIn2XIndex(3MLIB),  mlibImageZoomIndex(3MLIB),
     mlibImageZoomOut2X(3MLIB),   mlibImageZoomOut2XFp(3MLIB),
     mlibImageZoomOut2XIndex(3MLIB), attributes(5)













SunOS 5.11           Last change: 2 Mar 2007                    2