%N grqcr %F $MIR/src/grqcr.f
%D Inquire color representation
%B
      SUBROUTINE GRQCR (CI, CR, CG, CB)
      INTEGER  CI
      REAL     CR, CG, CB

 Return the color representation (red, green, blue intensities) 
 currently associated with the specified color index. This may be
 different from that requested on some devices.

 Arguments:

 CI (integer, input): color index.
 CR, CG, CB (real, output): red, green, and blue intensities,
       in range 0.0 to 1.0.
