Manual Pages for UNIX Operating System command usage for man mlib_GraphicsDrawPolygon_AGZ_8

mediaLib Library Functions        mlib_GraphicsDrawPolygon(3MLIB)



NAME
     mlib_GraphicsDrawPolygon,        mlib_GraphicsDrawPolygon_8,
     mlib_GraphicsDrawPolygon_32,   mlib_GraphicsDrawPolygon_X_8,
     mlib_GraphicsDrawPolygon_X_32, mlib_GraphicsDrawPolygon_A_8,
     mlib_GraphicsDrawPolygon_A_32, mlib_GraphicsDrawPolygon_B_8,
     mlib_GraphicsDrawPolygon_B_32, mlib_GraphicsDrawPolygon_G_8,
     mlib_GraphicsDrawPolygon_G_32, mlib_GraphicsDrawPolygon_Z_8,
     mlib_GraphicsDrawPolygon_Z_32,
     mlib_GraphicsDrawPolygon_AB_8,
     mlib_GraphicsDrawPolygon_AB_32,
     mlib_GraphicsDrawPolygon_ABG_8,
     mlib_GraphicsDrawPolygon_ABG_32,
     mlib_GraphicsDrawPolygon_ABGZ_8,
     mlib_GraphicsDrawPolygon_ABGZ_32,
     mlib_GraphicsDrawPolygon_ABZ_8,
     mlib_GraphicsDrawPolygon_ABZ_32,
     mlib_GraphicsDrawPolygon_AG_8,
     mlib_GraphicsDrawPolygon_AG_32,
     mlib_GraphicsDrawPolygon_AGZ_8,
     mlib_GraphicsDrawPolygon_AGZ_32,
     mlib_GraphicsDrawPolygon_AZ_8,
     mlib_GraphicsDrawPolygon_AZ_32,
     mlib_GraphicsDrawPolygon_BG_8,
     mlib_GraphicsDrawPolygon_BG_32,
     mlib_GraphicsDrawPolygon_BGZ_8,
     mlib_GraphicsDrawPolygon_BGZ_32,
     mlib_GraphicsDrawPolygon_BZ_8,
     mlib_GraphicsDrawPolygon_BZ_32,
     mlib_GraphicsDrawPolygon_GZ_8,
     mlib_GraphicsDrawPolygon_GZ_32 - draw polygon

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

     mlib_status mlib_GraphicsDrawPolygon_8(mlib_image *buffer,
          const mlib_s16 *x, const mlib_s16 *y, mlib_s32 npoints, mlib_s32 c);


     mlib_status mlib_GraphicsDrawPolygon_32(mlib_image *buffer,
          const mlib_s16 *x, const mlib_s16 *y, mlib_s32 npoints, mlib_s32 c);


     mlib_status mlib_GraphicsDrawPolygon_X_8(mlib_image *buffer,
          const mlib_s16 *x, const mlib_s16 *y, mlib_s32 npoints, mlib_s32 c,
          mlib_s32 c2);


     mlib_status mlib_GraphicsDrawPolygon_X_32(mlib_image *buffer,
          const mlib_s16 *x, const mlib_s16 *y, mlib_s32 npoints, mlib_s32 c,
          mlib_s32 c2);




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mediaLib Library Functions        mlib_GraphicsDrawPolygon(3MLIB)



     mlib_status mlib_GraphicsDrawPolygon_A_8(mlib_image *buffer,
          const mlib_s16 *x, const mlib_s16 *y, mlib_s32 npoints, mlib_s32 c);


     mlib_status mlib_GraphicsDrawPolygon_A_32(mlib_image *buffer,
          const mlib_s16 *x, const mlib_s16 *y, mlib_s32 npoints, mlib_s32 c);


     mlib_status mlib_GraphicsDrawPolygon_B_8(mlib_image *buffer,
          const mlib_s16 *x, const mlib_s16 *y, mlib_s32 npoints,
          mlib_s32 c, mlib_s32 a);


     mlib_status mlib_GraphicsDrawPolygon_B_32(mlib_image *buffer,
          const mlib_s16 *x, const mlib_s16 *y, mlib_s32 npoints, mlib_s32 c,
          mlib_s32 a);


     mlib_status mlib_GraphicsDrawPolygon_G_8(mlib_image *buffer,
          const mlib_s16 *x, const mlib_s16 *y, mlib_s32 npoints,
          const mlib_s32 *c);


     mlib_status mlib_GraphicsDrawPolygon_G_32(mlib_image *buffer,
          const mlib_s16 *x, const mlib_s16 *y,
          mlib_s32 npoints, const mlib_s32 *c);


     mlib_status mlib_GraphicsDrawPolygon_Z_8(mlib_image *buffer,
          mlib_image *zbuffer, const mlib_s16 *x, const mlib_s16 *y,
          const mlib_s16 *z, mlib_s32 npoints, mlib_s32 c);


     mlib_status mlib_GraphicsDrawPolygon_Z_32(mlib_image *buffer,
          mlib_image *zbuffer, const mlib_s16 *x, const mlib_s16 *y,
          const mlib_s16 *z, mlib_s32 npoints, mlib_s32 c);


     mlib_status mlib_GraphicsDrawPolygon_AB_8(mlib_image *buffer,
          const mlib_s16 *x, const mlib_s16 *y,
          mlib_s32 npoints, mlib_s32 c, mlib_s32 a);


     mlib_status mlib_GraphicsDrawPolygon_AB_32(mlib_image *buffer,
          const mlib_s16 *x, const mlib_s16 *y, mlib_s32 npoints, mlib_s32 c,
          mlib_s32 a);


     mlib_status mlib_GraphicsDrawPolygon_ABG_8(mlib_image *buffer,
          const mlib_s16 *x, const mlib_s16 *y, mlib_s32 npoints,
          const mlib_s32 *c, mlib_s32 a);




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mediaLib Library Functions        mlib_GraphicsDrawPolygon(3MLIB)



     mlib_status mlib_GraphicsDrawPolygon_ABG_32(mlib_image *buffer,
          const mlib_s16 *x, const mlib_s16 *y, mlib_s32 npoints,
          const mlib_s32 *c, mlib_s32 a);


     mlib_status mlib_GraphicsDrawPolygon_ABGZ_8(mlib_image *buffer,
          mlib_image *zbuffer, const mlib_s16 *x, const mlib_s16 *y,
          const mlib_s16 *z, mlib_s32 npoints, const mlib_s32 *c, mlib_s32 a);


     mlib_status mlib_GraphicsDrawPolygon_ABGZ_32(mlib_image *buffer,
          mlib_image *zbuffer, const mlib_s16 *x, const mlib_s16 *y,
          const mlib_s16 *z, mlib_s32 npoints, const mlib_s32 *c, mlib_s32 a);


     mlib_status mlib_GraphicsDrawPolygon_ABZ_8(mlib_image *buffer,
          mlib_image *zbuffer, const mlib_s16 *x, const mlib_s16 *y,
          const mlib_s16 *z, mlib_s32 npoints,
          mlib_s32 c, mlib_s32 a);


     mlib_status mlib_GraphicsDrawPolygon_ABZ_32(mlib_image *buffer,
          mlib_image *zbuffer, const mlib_s16 *x, const mlib_s16 *y,
          const mlib_s16 *z, mlib_s32 npoints, mlib_s32 c, mlib_s32 a);


     mlib_status mlib_GraphicsDrawPolygon_AG_8(mlib_image *buffer,
          const mlib_s16 *x, const mlib_s16 *y, mlib_s32 npoints,
          const mlib_s32 *c);


     mlib_status mlib_GraphicsDrawPolygon_AG_32(mlib_image *buffer,
          const mlib_s16 *x, const mlib_s16 *y, mlib_s32 npoints,
          const mlib_s32 *c);


     mlib_status mlib_GraphicsDrawPolygon_AGZ_8(mlib_image *buffer,
          mlib_image *zbuffer, const mlib_s16 *x, const mlib_s16 *y,
          const mlib_s16 *z, mlib_s32 npoints,
          const mlib_s32 *c);


     mlib_status mlib_GraphicsDrawPolygon_AGZ_32(mlib_image *buffer,
          mlib_image *zbuffer, const mlib_s16 *x, const mlib_s16 *y,
          const mlib_s16 *z, mlib_s32 npoints, const mlib_s32 *c);


     mlib_status mlib_GraphicsDrawPolygon_AZ_8(mlib_image *buffer,
          mlib_image *zbuffer, const mlib_s16 *x, const mlib_s16 *y,
          const mlib_s16 *z, mlib_s32 npoints,
          mlib_s32 c);




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mediaLib Library Functions        mlib_GraphicsDrawPolygon(3MLIB)



     mlib_status mlib_GraphicsDrawPolygon_AZ_32(mlib_image *buffer,
          mlib_image *zbuffer, const mlib_s16 *x, const mlib_s16 *y,
          const mlib_s16 *z, mlib_s32 npoints,
          mlib_s32 c);


     mlib_status mlib_GraphicsDrawPolygon_BG_8(mlib_image *buffer,
          const mlib_s16 *x, const mlib_s16 *y, mlib_s32 npoints,
          const mlib_s32 *c, mlib_s32 a);


     mlib_status mlib_GraphicsDrawPolygon_BG_32(mlib_image *buffer,
          const mlib_s16 *x, const mlib_s16 *y, mlib_s32 npoints,
          const mlib_s32 *c, mlib_s32 a);


     mlib_status mlib_GraphicsDrawPolygon_BGZ_8(mlib_image *buffer,
          mlib_image *zbuffer, const mlib_s16 *x, const mlib_s16 *y,
          const mlib_s16 *z, mlib_s32 npoints,
          const mlib_s32 *c, mlib_s32 a);


     mlib_status mlib_GraphicsDrawPolygon_BGZ_32(mlib_image *buffer,
          mlib_image *zbuffer, const mlib_s16 *x, const mlib_s16 *y,
          const mlib_s16 *z, mlib_s32 npoints, const mlib_s32 *c, mlib_s32 a);


     mlib_status mlib_GraphicsDrawPolygon_BZ_8(mlib_image *buffer,
          mlib_image *zbuffer, const mlib_s16 *x, const mlib_s16 *y,
          const mlib_s16 *z, mlib_s32 npoints,
          mlib_s32 c, mlib_s32 a);


     mlib_status mlib_GraphicsDrawPolygon_BZ_32(mlib_image *buffer,
          mlib_image *zbuffer, const mlib_s16 *x, const mlib_s16 *y,
          const mlib_s16 *z, mlib_s32 npoints,
          mlib_s32 c, mlib_s32 a);


     mlib_status mlib_GraphicsDrawPolygon_GZ_8(mlib_image *buffer,
          mlib_image *zbuffer, const mlib_s16 *x, const mlib_s16 *y,
          const mlib_s16 *z, mlib_s32 npoints,
          const mlib_s32 *c);


     mlib_status mlib_GraphicsDrawPolygon_GZ_32(mlib_image *buffer,
          mlib_image *zbuffer, const mlib_s16 *x, const mlib_s16 *y,
          const mlib_s16 *z, mlib_s32 npoints,
          const mlib_s32 *c);






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mediaLib Library Functions        mlib_GraphicsDrawPolygon(3MLIB)



DESCRIPTION
     Each of the mlib_GraphicsDrawPolygon_*() functions  draws  a
     polygon enclosing (x1,y1), (x2,y2), ..., and (xn,yn).


     Each of the mlib_GraphicsDrawPolygon_X_*() functions draws a
     polygon in Xor mode as follows:

           data[x,y] ^= c ^ c2



     Each of the mlib_GraphicsDrawPolygon_A_*() functions draws a
     polygon with antialiasing.


     Each of the mlib_GraphicsDrawPolygon_B_*() functions draws a
     polygon with alpha blending as follows:

           data[x,y] = (data[x,y] * (255 - a) + c * a) / 255



     Each of the mlib_GraphicsDrawPolygon_G_*() functions draws a
     polygon with Gouraud shading.


     Each of the mlib_GraphicsDrawPolygon_Z_*() functions draws a
     polygon with Z buffering.


     Each of the other functions draws a polygon with a  combina-
     tion  of  two  or more features like antialiasing (A), alpha
     blending (B), Gouraud shading (G), and Z buffering (Z).

PARAMETERS
     Each of the functions takes some of the following arguments:

     buffer     Pointer to the image into which the  function  is
                drawing.


     zbuffer    Pointer to the image that holds the Z buffer.


     x          Pointer to the array of X coordinates of the ver-
                tices.


     y          Pointer to the array of Y coordinates of the ver-
                tices.




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mediaLib Library Functions        mlib_GraphicsDrawPolygon(3MLIB)



     z          Pointer to the array of Z coordinates of the ver-
                tices.


     npoints    Number of vertices in the arrays.


     c          Color used in the drawing, or pointer to array of
                colors of the points in the case of Gouraud shad-
                ing.


     c2         Alternation color.


     a          Alpha value for blending. 0 < a < 255.


RETURN VALUES
     Each of the functions 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_GraphicsFillPolygon(3MLIB), attributes(5)
















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