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NAME
       plgcolbga  -  Returns the background color (cmap0[0])  by 8-bit RGB value and double alpha
       transparency value


SYNOPSIS
       plgcolbga(r, g, b, alpha)


DESCRIPTION
       Returns the background color (cmap0[0]) by 8-bit RGB value and double  alpha  transparency
       value.

       This function is used in example 31.


ARGUMENTS
       r (PLINT *, output)
              Pointer  to an unsigned 8-bit integer (0-255) representing the degree of red in the
              color.

       g (PLINT *, output)
              Pointer to an unsigned 8-bit integer (0-255) representing the degree  of  green  in
              the color.

       b (PLINT *, output)
              Pointer to an unsigned 8-bit integer (0-255) representing the degree of blue in the
              color.

       alpha (PLFLT *, output)
              Pointer to PLFLT alpha transparency value.


AUTHORS
       Many developers  (who  are  credited  at  http://plplot.sourceforge.net/credits.php)  have
       contributed to PLplot over its long history.


SEE ALSO
       PLplot documentation at http://plplot.sourceforge.net/documentation.php.

                                          February, 2014                       PLGCOLBGA(3plplot)