Manual Pages for UNIX Operating System command usage for man mlib_ImageRotate_Fp

mediaLib Library Functions             mlib_ImageRotate_Fp(3MLIB)



NAME
     mlib_ImageRotate_Fp - rotate image

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

     mlib_status mlib_ImageRotate_Fp(mlib_image *dst, const mlib_image *src,
          mlib_d64 angle, mlib_d64 xcenter, mlib_d64 ycenter, mlib_filter filter,
          mlib_edge edge);


DESCRIPTION
     The mlib_ImageRotate_Fp() function rotates a  floating-point
     source  image  around  a user-defined rotation center in the
     user-defined radians.


     The width and height of the destination image  can  be  dif-
     ferent  from  the  width and height of the source image. The
     (xcenter, ycenter) point of the source image  is  mapped  to
     the  center of the destination image. You should ensure that
     the destination buffer is large enough to hold the resulting
     bounding box to avoid clipping part of the image.


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

PARAMETERS
     The function takes the following arguments:

     dst        Pointer to destination image.


     src        Pointer to source image.


     angle      Angle of rotation. The angle is measured in radi-
                ans clockwise.


     xcenter    X coordinate of rotation  center  in  the  source
                image.


     ycenter    Y coordinate of rotation  center  in  the  source
                image.


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



SunOS 5.11           Last change: 2 Mar 2007                    1






mediaLib Library Functions             mlib_ImageRotate_Fp(3MLIB)



                  MLIB_NEAREST
                  MLIB_BILINEAR
                  MLIB_BICUBIC
                  MLIB_BICUBIC2



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

                  MLIB_EDGE_DST_NO_WRITE
                  MLIB_EDGE_DST_FILL_ZERO
                  MLIB_EDGE_OP_NEAREST
                  MLIB_EDGE_SRC_EXTEND
                  MLIB_EDGE_SRC_PADDED



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:



     ____________________________________________________________
    |       ATTRIBUTE TYPE        |       ATTRIBUTE VALUE       |
    |_____________________________|_____________________________|
    | Interface Stability         | Committed                   |
    |_____________________________|_____________________________|
    | MT-Level                    | MT-Safe                     |
    |_____________________________|_____________________________|


SEE ALSO
     mlib_ImageRotate(3MLIB),       mlib_ImageRotateIndex(3MLIB),
     attributes(5)















SunOS 5.11           Last change: 2 Mar 2007                    2