harvey/sys/lib/ghostscript/gs_ciecs3.ps

%    Copyright (C) 2002 Aladdin Enterprises.  All rights reserved.
% 
% This software is provided AS-IS with no warranty, either express or
% implied.
% 
% This software is distributed under license and may not be copied,
% modified or distributed except as expressly authorized under the terms
% of the license contained in the file LICENSE in this distribution.
% 
% For more information about licensing, please refer to
% http://www.ghostscript.com/licensing/. For information on
% commercial licensing, go to http://www.artifex.com/licensing/ or
% contact Artifex Software, Inc., 101 Lucas Valley Road #110,
% San Rafael, CA  94903, U.S.A., +1(415)492-9861.

% $Id: gs_ciecs3.ps,v 1.1 2002/08/22 07:12:28 henrys Exp $
% Level 3 CIEBased color space method dictionaries.
% This assumes gs_ciecs2.ps has already been processed.

%
% The validation routines in these method dictionaries perform only
% partial validations; the .setcie* operators will perform the rest.
%


.currentglobal true .setglobal
.cspace_util begin


/.setciedefspace where
  {
    pop
    colorspacedict
    /CIEBasedDEF
      mark
        /cs_potential_indexed_base true
        /cs_potential_pattern_base true
        /cs_potential_alternate true
        /cs_potential_icc_alternate true
        /cs_get_ncomps //ncomps_3

        /cs_get_range
          {
            1 get /RangeDEF .knownget not
              { //dflt_range_3 }
            if
          }
        bind

        /cs_get_default_color { pop 0 0 0 } bind
        /cs_get_currentgray //no_currentgray
        /cs_get_currentrgb //no_currentrgb
        /cs_get_currentcmyk //no_currentcmyk
        /cs_validate //check_cie_cspace
        /cs_substitute //dup_1
        /cs_prepare {}

        /cs_install
          {
            NOCIE
              { pop /DeviceRGB //.cs_install exec }
              { 1 get .setciedefspace }
            ifelse
          }
        bind

        /cs_prepare_color //validate_3
        /cs_complete_setcolor //pop_1
      .dicttomark
    put
  }
if


/.setciedefgspace where
  {
    pop
    colorspacedict
    /CIEBasedDEFG
      mark
        /cs_potential_indexed_base true
        /cs_potential_pattern_base true
        /cs_potential_alternate true
        /cs_potential_icc_alternate true
        /cs_get_ncomps //ncomps_4

        /cs_get_range
          {
            1 get /RangeDEFG .knownget not
              { //dflt_range_4 }
            if
          }
        bind

        /cs_get_default_color { pop 0 0 0 0 } bind
        /cs_get_currentgray //no_currentgray
        /cs_get_currentrgb //no_currentrgb
        /cs_get_currentcmyk //no_currentcmyk
        /cs_validate //check_cie_cspace
        /cs_substitute //dup_1
        /cs_prepare {}

        % the use of the DeviceCMYK color space is questionable:
        % it will likely have the wrong polarity
        /cs_install
          {
            NOCIE
              { pop /DeviceCMYK //.cs_install exec }
              { 1 get .setciedefgspace }
            ifelse
          }
        bind

        /cs_prepare_color //validate_4
        /cs_complete_setcolor //pop_1
      .dicttomark
    put
  }
if


end     % .cspace_util
.setglobal