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- % 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_ciecs2.ps,v 1.1 2002/08/22 07:12:28 henrys Exp $
- % Level 2 CIEBased color space method dictionaries.
-
- %
- % The validation routines in these method dictionaries perform only
- % partial validations; the .setcie* operators will perform the rest.
- %
-
- % verify that at least one of the CIEBased color spaces is supported
- true
- { /.setcieaspace /.setcieabcspace /.setciedefspace /.setciedefgspace }
- {
- where
- { pop not exit }
- if
- }
- forall
- { currentfile closefile }
- if
-
-
- .currentglobal true .setglobal
- .cspace_util begin
-
- %
- % <obj> check_cie_cspace <obj>
- %
- % Perform a very basic check that an object is a CIEBased color space
- % array.
- %
- /check_cie_cspace
- {
- //check_array exec
- dup 1 get type /dicttype ne
- //setcspace_typecheck
- if
- }
- bind def
-
-
-
- /.setcieaspace where
- {
- pop
- colorspacedict
- /CIEBasedA
- mark
- /cs_potential_indexed_base true
- /cs_potential_pattern_base true
- /cs_potential_alternate true
- /cs_potential_icc_alternate true
- /cs_get_ncomps //ncomps_1
-
- /cs_get_range
- {
- 1 get /RangeA .knownget not
- { //dflt_range_1 }
- if
- }
- bind
-
- /cs_get_default_color { pop 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 /DeviceGray //.cs_install exec }
- { 1 get .setcieaspace }
- ifelse
- }
- bind
-
- /cs_prepare_color //validate_1
- /cs_complete_setcolor //pop_1
- .dicttomark
- put
- }
- if
-
- /.setcieabcspace where
- {
- pop
- colorspacedict
- /CIEBasedABC
- 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 /RangeABC .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 .setcieabcspace }
- ifelse
- }
- bind
-
- /cs_prepare_color //validate_3
- /cs_complete_setcolor //pop_1
- .dicttomark
- put
- }
- if
-
-
- end % .cspace_util
- .setglobal
-