lps_setoutputtray

<B>Digital的Unix操作系统VAX 4.2源码</B>

% LPS$$SETOUTPUTTRAY device control library module.
% Version V1.0
%
% Copyright ) 1986 by DEC, Maynard, Mass.  All rights reserved.

% This module can be in one of two dictionary contexts depending on how
% it is used:
% For the user's file, it will be in lps$lpsdict, as set up in LPS$$LOADDICT.PS
% For the job log and trailer, it will be in a standard PostScript environment,
% i.e. userdict.
%
% This module expects the output tray name to be on the stack.

    /lps$output-tray exch def	% Store tray name.

% Table for Output_tray
%
    /output-tray-dict 3 dict def
    statusdict begin			% To insure finding `setoutputtray'.
      output-tray-dict begin
        /face_up  {2 setoutputtray} bind def
        /side     {1 setoutputtray} bind def
        /top      {3 setoutputtray} bind def
	lps$output-tray load exec
        end
      end