124 lines
3.1 KiB
PostScript
124 lines
3.1 KiB
PostScript
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% Copyright (C) 2002 Aladdin Enterprises. All rights reserved.
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%
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% This software is provided AS-IS with no warranty, either express or
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% implied.
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%
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% This software is distributed under license and may not be copied,
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% modified or distributed except as expressly authorized under the terms
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% of the license contained in the file LICENSE in this distribution.
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%
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% For more information about licensing, please refer to
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% http://www.ghostscript.com/licensing/. For information on
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% commercial licensing, go to http://www.artifex.com/licensing/ or
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% contact Artifex Software, Inc., 101 Lucas Valley Road #110,
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% San Rafael, CA 94903, U.S.A., +1(415)492-9861.
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% $Id: gs_ciecs3.ps,v 1.1 2002/08/22 07:12:28 henrys Exp $
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% Level 3 CIEBased color space method dictionaries.
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% This assumes gs_ciecs2.ps has already been processed.
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%
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% The validation routines in these method dictionaries perform only
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% partial validations; the .setcie* operators will perform the rest.
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%
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.currentglobal true .setglobal
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.cspace_util begin
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/.setciedefspace where
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{
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pop
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colorspacedict
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/CIEBasedDEF
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mark
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/cs_potential_indexed_base true
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/cs_potential_pattern_base true
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/cs_potential_alternate true
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/cs_potential_icc_alternate true
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/cs_get_ncomps //ncomps_3
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/cs_get_range
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{
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1 get /RangeDEF .knownget not
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{ //dflt_range_3 }
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if
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}
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bind
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/cs_get_default_color { pop 0 0 0 } bind
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/cs_get_currentgray //no_currentgray
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/cs_get_currentrgb //no_currentrgb
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/cs_get_currentcmyk //no_currentcmyk
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/cs_validate //check_cie_cspace
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/cs_substitute //dup_1
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/cs_prepare {}
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/cs_install
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{
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NOCIE
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{ pop /DeviceRGB //.cs_install exec }
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{ 1 get .setciedefspace }
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ifelse
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}
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bind
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/cs_prepare_color //validate_3
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/cs_complete_setcolor //pop_1
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.dicttomark
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put
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}
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if
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/.setciedefgspace where
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{
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pop
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colorspacedict
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/CIEBasedDEFG
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mark
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/cs_potential_indexed_base true
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/cs_potential_pattern_base true
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/cs_potential_alternate true
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/cs_potential_icc_alternate true
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/cs_get_ncomps //ncomps_4
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/cs_get_range
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{
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1 get /RangeDEFG .knownget not
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{ //dflt_range_4 }
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if
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}
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bind
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/cs_get_default_color { pop 0 0 0 0 } bind
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/cs_get_currentgray //no_currentgray
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/cs_get_currentrgb //no_currentrgb
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/cs_get_currentcmyk //no_currentcmyk
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/cs_validate //check_cie_cspace
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/cs_substitute //dup_1
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/cs_prepare {}
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% the use of the DeviceCMYK color space is questionable:
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% it will likely have the wrong polarity
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/cs_install
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{
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NOCIE
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{ pop /DeviceCMYK //.cs_install exec }
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{ 1 get .setciedefgspace }
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ifelse
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}
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bind
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/cs_prepare_color //validate_4
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/cs_complete_setcolor //pop_1
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.dicttomark
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put
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}
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if
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end % .cspace_util
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.setglobal
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