% -*- texinfo -*-
% @deftypefn {Function File} bmpwrite (@var{X}, @var{map}, @var{file})
% Write the bitmap @var{X} into @var{file} (8-bit indexed uncompressed).
% The values in @var{X} are indices into the given RGB colour @var{map}.
% @deftypefnx{Function File} bmpwrite (@var{X}, @var{file})
% Write the bitmap @var{X} into @var{file} (24-bit truecolor uncompressed).
% @var{X} is an m x n x 3 array of R,G,B integer values in the range 0 to 255.
% @end deftypefn