ref: 528fa0acfa3532dee4a50fca1ae49d147403edfc
dir: /sys/src/cmd/gs/lib/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