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% Copyright (C) 2001-2019 Artifex Software, Inc.
% 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.
%
% Refer to licensing information at http://www.artifex.com or contact
% Artifex Software, Inc., 1305 Grant Avenue - Suite 200, Novato,
% CA 94945, U.S.A., +1(415)492-9861, for further information.
%
% Define SubstCID, Decoding and CIDDecoding resource categories and related procsets.
languagelevel 2 .setlanguagelevel
currentglobal //true setglobal
%----------------ParseDecoding procset----------------------------
/ParseDecoding <<
/Parse % <resource_name> <num_tokens> Parse -
{ dict begin % /ResName
0 % /ResName nCode
{ currentfile token not {
exit
} if % /ResName nCode token
dup type /integertype eq { % /ResName nCode
exch pop
} {
1 index def % /ResName nCode
} ifelse
} loop % /ResName nCode
pop % /ResName
currentdict end /Decoding % /ResName <<inst>> /Decoding
defineresource pop
} bind
>> /ProcSet defineresource pop
%----------------Decoding category----------------------------
/Generic /Category findresource dup length dict copy
dup /InstanceType /dicttype put
/Decoding exch /Category defineresource pop
%----------------ParseCMap_Inverse procset----------------------------
/ParseCMap_Inverse <<
/findresource { pop } bind
/defineresource { pop pop } bind
/dict {}
/def { pop pop } bind
/dup //null
/begin { pop } bind
/end {}
/currentdict //null
/CMapName //null
/usecmap { pop } bind
/begincmap {}
/endcmap {}
/begincodespacerange { pop mark } bind
/endcodespacerange { cleartomark } bind
/beginnotdefrange { pop mark } bind
/endnotdefrange { cleartomark } bind
/beginbfchar { pop mark } bind
/endbfchar { pop mark } bind
/beginbfrange { begincidrange }
/endbfrange { endcidrange }
/begincidchar { beginbfchar }
/endcidchar { endbfchar }
/begincidrange { pop mark } bind
/endcidrange { cleartomark } bind
>> % Just keep it on stack for a while.
% Now we define another dict for local binding, than merge it with the previous one :
dup length 5 add dict begin
/.Ranges 40 dict def % Key = CID/256, value = array of 256 integer codes.
//.Ranges /CIDCount 0 put
/.StringToInt % <string> .StringToInt <integer>
{ 0 exch { exch 8 bitshift add } forall
} bind def
/.SetCouple % <I> <b> .SetCouple -
{ exch % b I
dup 256 idiv % b I I0
dup //.Ranges exch known not {
dup //.Ranges exch 256 array put
} if % b I I0
//.Ranges exch get % b I [Range]
exch 256 mod % b [Range] I1
2 copy get % b [Range] I1 e
dup //null ne {
% We've got char code duplicates for same CID.
dup type /integertype eq {
4 3 roll % [Range] I1 e b
2 array astore put %
} {
dup length 1 add dup dup array dup % b [Range] I1 D l l D' D'
3 2 roll 0 exch getinterval % b [Range] I1 D l D' D''
4 3 roll exch copy pop % b [Range] I1 l D'
dup 3 2 roll 1 sub % b [Range] I1 D' D' l-1
6 5 roll % [Range] I1 D' D' l-1 b
put put %
} ifelse
} {
pop 3 2 roll put %
} ifelse
} bind def
/endcidrange
{ % Writes the inversed CMap to .Ranges
counttomark 3 idiv { % (b) (e) I
exch .StringToInt % (b) I e
3 2 roll .StringToInt % I e b
% Note : this code does't handle multidimentional CID ranges.
% fixme : optimize below.
dup 3 2 roll exch sub 1 add % I b d
{ 2 copy //.SetCouple exec % I b
1 add exch 1 add exch
} repeat % I b
pop % I
dup //.Ranges /CIDCount get gt { % I
dup //.Ranges exch /CIDCount exch put
} if % I
pop
} repeat
pop % mark
} bind def
/.GetCIDDecoding % - .GetCIDDEcoding <dict>
{ //.Ranges dup length dict copy
//.Ranges //.PurgeDict exec
//.Ranges /CIDCount 0 put
} bind def
currentdict end
exch copy % Merge the dicts - see above.
/ProcSet defineresource pop
%----------------CIDDecoding category----------------------------
% Note that we put all instances in global memory - see FindResource.
/Generic /Category findresource dup length dict copy
begin
/Category /CIDDecoding def
/InstanceType /dicttype def
/.CMapChooser <<
% This lists CMaps to inverse and unite for creating a CIDDecoding.
% Choose by FAPIcidfmap.Registry concatenated with TrueType encoding ID.
% Font renderer must provide the glyph substitution internally.
/CNS1.Big5 [ /ETen-B5-H /ETen-B5-V ]
/CNS1.Unicode [ /UniCNS-UCS2-H /UniCNS-UCS2-V]
/CNS1.UCS-4 [ /UniCNS-UCS2-H /UniCNS-UCS2-V]
/GB1.GB2312 [ /GBK-EUC-H /GBK-EUC-V ]
/GB1.Unicode [ /UniGB-UCS2-H /UniGB-UCS2-V ]
/GB1.UCS-4 [ /UniGB-UCS2-H /UniGB-UCS2-V ]
/Japan1.ShiftJIS [ /90ms-RKSJ-H /90ms-RKSJ-V ]
/Japan1.Unicode [ /UniJIS-UCS2-H /UniJIS-UCS2-V]
/Japan1.UCS-4 [ /UniJIS-UCS2-H /UniJIS-UCS2-V]
/Japan2.ShiftJIS [ /90ms-RKSJ-H /90ms-RKSJ-V ]
/Japan2.Unicode [ /UniHojo-UCS2-H ]
/Japan2.UCS-4 [ /UniHojo-UCS2-H ]
/Korea1.Johab [ /KSC-Johab-V /KSC-Johab-H ]
/Korea1.Wansung [ /KSCms-UHC-V /KSCms-UHC-H ]
/Korea1.Unicode [ /UniKS-UCS2-H /UniKS-UCS2-V ]
/Identity.Symbol [ /Identity-H /Identity-V ]
/Unicode.Unicode [ /Identity-UTF16-H ]
/Identity.Unicode [ /Identity-UTF16-H ]
/Identity.UCS-4 [ /Identity-H /Identity-V ]
>> def
/.MakeInstance % <name> .MakeInstance <inst>
{ dup % /Name /Name
//.CMapChooser exch .knownget not {
(Can't build /) print =string cvs print
( /CIDDecoding resource. See gs_ciddc.ps . ) = flush
/findresource cvx /undefinedresource signalerror
} if % /Name [CMaps]
exch pop % [CMaps]
/CMap /Category findresource % [CMaps] <CMapCategory>
/ParseCMap_Inverse /ProcSet findresource % [CMaps] <CMapCategory> <PCI>
3 2 roll { % <CMapCategory> <PCI> /CMapName
3 2 roll begin % <PCI> /CMapName
dup .ResourceFile not {
(Can't find CMap ) print =string cvs print
( building a CIDDecoding resource. ) = flush
/findresource cvx /undefinedresource signalerror
} if
currentdict end exch % <PCI> /CMapName <CMapCategory> file
3 index begin
cvx exec % <PCI> /CMapName <CMapCategory>
end
exch pop exch % <CMapCategory> <PCI>
} forall
exch pop begin %
.GetCIDDecoding
end
} bind executeonly def
/FindResource % <name> FindResource <dict>
{ currentglobal exch % bGlobal /InstName
//true setglobal
dup //.MakeInstance exec % bGlobal /InstName <Inst>
DefineResource % bGlobal <Inst>
exch setglobal % <Inst>
} bind executeonly def
currentdict end
/CIDDecoding exch /Category defineresource pop
%----------------SubstCID category----------------------------
/Generic /Category findresource dup length dict copy
begin
/Category /SubstCID def
/InstanceType /dicttype def
currentdict end
/SubstCID exch /Category defineresource pop
setglobal
.setlanguagelevel