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NAME

       MPE_Add_RGB_color -  Adds a color to the colormap given its RGB values

SYNOPSIS

       #include "mpe.h"
       int MPE_Add_RGB_color( graph, red, green, blue, mapping )
       MPE_XGraph graph;
       int red, green, blue;
       MPE_Color *mapping;

INPUT PARAMETERS

       graph  - MPE graphics handle
       red, green, blue
              - color levels from 0 to 65535

OUTPUT PARAMETER

       mapping
              - index of the new color

RETURN VALUES

       -1     - maxcolors too large (equal to numcolors)
       MPE_SUCCESS
              - successful
       mapping
              - index of the new color

NOTES

       This  call  adds  a color cell to X11's color table, increments maxcolors (the index), and
       writes it to the mapping parameter.

NOTES FOR FORTRAN INTERFACE

       The Fortran interface to this routine is different from its C counterpart and  it  has  an
       additional  argument,  ierr,  at  the end of the argument list, i.e. the returned function
       value (the error code) in C interface is returned as the additional  argument  in  Fortran
       interface.  The Fortran interface is invoked with the CALL statement.

       All  MPI  and  MPE  objects,  MPI_Comm,  MPE_XGraph  and MPE_Color, are of type INTEGER in
       Fortran.

LOCATION

       mpe_graphics.c

                                            12/6/2001                        MPE_Add_RGB_color(4)