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% Copyright (C) 2001-2023 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., 39 Mesa Street, Suite 108A, San Francisco,
% CA 94129, USA, for further information.
%
% A procset for Postscript font emulation
% The procedures must not depend on the presence of the
% procset dictionary on the dictionary stack.
languagelevel 2 .setlanguagelevel
%========================= Process xlatmap ====================
mark%% Replace 1 (xlatmap)
(xlatmap) .runlibfile.dicttomark dup systemdict exch /.xlatmap_dict exch put
% Convert it into a plain text to simplify the processing in C :
% *(fontkind\0\0\ *(charmap\0decoding\0) ) \0
() exch { 3 1 roll =string cvs concatstrings (\0\0) concatstrings exch { =string cvs concatstrings (\0) concatstrings } forall} forall(\0) concatstringssystemdict exch /.xlatmap exch put
/FontEmulationProcs 10 dict begin
%-------------------------------Font--------------------------------
/FontCommon % - font_common -
{ currentdict /PaintType known not { /PaintType 0 def } if currentdict /Encoding .knownget not { //StandardEncoding } if dup type /nametype eq { /Encoding findresource } if /Encoding exch def} .internalbind def
/FontOptions 5 dict begin /make_procs currentdict def /NameKey /FontName def /TypeKey /FontType def
1 { currentdict /FontMatrix known not { /FontMatrix [0.001 0 0 0.001 0 0] def } if currentdict /FontBBox known not { /FontBBox [-128 -128 1024 1024] cvx def } if % zfapi.ps refines it.
/Private 0 dict def % if we're using the FAPI/UFST code for Microtype fonts,
% then we've already created a "fake" CharStrings, so don't replace it.
% See gs_fapi.ps
currentdict /CharStrings known not {/CharStrings << /.notdef () >> def} if //FontCommon exec } .internalbind def
42 { /FontMatrix [1 0 0 1 0 0] def /FontBBox [0 0 1 1] def % zfapi.ps refines it.
/CharStrings <<>> def /sfnts [<00010000 0000 0000 0000 0000 0000>] def /GlyphDirectory [] def //FontCommon exec } .internalbind def
%fixme : more font types.
currentdict end def
%---------------------------CIDFont---------------------------
/TranslateCSI % <record> TranslateCSI <CSI>
{ RESMPDEBUG { (fntem TranslateCSI beg ) = } if begin CSI length 2 eq { << /Registry (Adobe) /Ordering CSI aload pop /Supplement exch >> } { << /Registry CSI 0 get /Ordering CSI 1 get /Supplement CSI 2 get >> } ifelse end RESMPDEBUG { (fntem TranslateCSI end ) = } if} .internalbind def
/CIDFontCommon{ /CIDSystemInfo currentdict //TranslateCSI exec def currentdict /CSI undef /FontBBox [-128 -128 1024 1024] def % zfapi.ps refines it.
/CIDCount 1 def % ChooseDecoding will set a reasonable value.
} .internalbind def
% GFlyph substitution table for narrow, wide, proportional glyphs -
% used with TrueTypes.
currentpacking //false setpacking/SubstNWP <<
% Array format : orig_type, beg_CID, end_CID, subst_beg_CID, subst_type
% type = (n==narrow, w==wide, p==proportional).
/Japan1 { p 1 94 231 n
p 17 26 780 w p 34 59 790 w p 66 91 816 w w 842 842 7918 w % fixme: These substitutions require to shift the glyph origin.
w 844 844 7919 w w 846 846 7920 w w 848 848 7921 w w 850 850 7922 w w 876 876 7923 w w 908 908 7924 w w 910 910 7925 w w 912 912 7926 w w 914 914 7927 w w 925 925 7928 w w 927 927 7929 w w 929 929 7930 w w 931 931 7931 w w 933 933 7932 w w 959 959 7933 w w 991 991 7934 w w 993 993 7935 w w 995 995 7936 w w 1002 1002 7937 w w 1009 1009 7938 w w 1010 1010 7939 w } cvlit
/Japan2 1 index
/CNS1 { p 1 94 13648 n
p 17 26 333 w p 34 59 365 w p 66 91 391 w } cvlit
/GB1 { p 2 94 814 n
p 2 94 262 w
p 1 1 7716 n } cvlit
/Korea1 { p 1 60 8094 n p 62 94 8155 n
p 2 59 264 w p 63 94 325 w } cvlit
/Identity []
/Unicode []
>> defsetpacking
/CIDFontOptions 5 dict begin /make_procs currentdict def /NameKey /CIDFontName def /TypeKey /CIDFontType def
0 { //CIDFontCommon exec /FDArray [ 14 dict begin /FontName CIDFontName =string cvs (%) concatstrings cvn def /FontType 1 def /FontMatrix [0.001 0 0 0.001 0 0 ] def /PaintType 0 def /Private 0 dict def currentdict end ] def /GlyphDirectory [] def /GDBytes 1 def /FDBytes 0 def } .internalbind def
1 { //CIDFontCommon exec /FontMatrix [1 0 0 1 0 0] def /BuildGlyph {} def } .internalbind def
2 { //CIDFontCommon exec /FontMatrix [1 0 0 1 0 0] def /GDBytes 2 def /CIDMap <0000> def /sfnts [<00010000 0000 0000 0000 0000 0000>] def /Encoding [] def /CharStrings << /.notdef 0 >> def } .internalbind def
currentdict end def
/complete_instance % <font_name> <FontDict> <Options> complete_FAPI_Font <font_name> <FontDict>
{ begin dup length dict copy begin dup type /nametype ne { cvn } if dup NameKey exch def currentglobal //true setglobal make_procs TypeKey load .knownget { exec } { setglobal /complete_instance cvx /invalidfont signalerror } ifelse setglobal currentdict end end} .internalbind def
/GetFilePath % <scratch> <Name> <record> GetFilePath <filepath>
{ exch pop % (scratch) <record>
/Path get % (scratch) (path)
exch copy % What we make here it is not a complete PS resource.
% Unable to provide full conformity :
% the attempt to run this file may fail.
} .internalbind def
/GetSize % <Name> <record> GetSize <size>
{ pop pop -1 % Unknown size.
% fixme: probably we could provide an estimation size for some fonts.
} .internalbind def
/RecordVirtualMethodsStub 3 dict begin /GetFilePath //GetFilePath def /GetSize //GetSize defcurrentdict end def
% ---------------------- Decoding helpers ----------------------------
/encodingnames mark StandardEncoding /StandardEncoding ISOLatin1Encoding /ISOLatin1Encoding SymbolEncoding /SymbolEncoding DingbatsEncoding /DingbatsEncoding.dicttomark def
/ChooseDecoding % <font> ChooseDecoding <font>
{ { % A loop for 'exit' context.
dup /Decoding .knownget { dup type /nametype eq { 1 index /CIDFontType known { /CIDDecoding } { /Decoding } ifelse findresource 1 index exch /Decoding exch put } { pop } ifelse dup /CIDFontType known { dup dup /Decoding get /CIDCount get /CIDCount exch put } if exit } if dup /CIDFontType known { % This is a hooked CID font, no need for Decoding.
exit } if % This works when the renderer can't choose character by name,
% and we cannot determine the charset.
% Probably this branch is to be removed after UFST problem is fixed.
dup /Encoding get % <<font>> encoding
dup type /nametype eq { /Decoding findresource 1 index exch /Decoding exch put } { dup //encodingnames exch .knownget { { /Decoding findresource } stopped {pop pop //true}{ exch pop 1 index exch /Decoding exch put //false } ifelse } { //true } ifelse
{ % unknown encoding, or an encoding for which we don't have a
% predefined decoding, convert it to decoding :
currentglobal 3 1 roll 2 index gcheck setglobal dup length dict begin /.notdef 0 def 0 1 currentdict length 1 sub { dup 2 index exch get dup dup /.notdef ne exch type /nulltype ne and { exch def } { pop pop } ifelse } for pop currentdict end 3 -1 roll setglobal 1 index exch /Decoding exch put } if } ifelse exit } loop dup /CIDFontType known { dup /SubstNWP .knownget not { dup /CIDSystemInfo get /Ordering get cvn } if dup type /nametype eq { //SubstNWP exch .knownget not { [] } if % <<font>> [SubstNWP]
} if 1 index exch /SubstNWP exch put } if} .internalbind def
/PrintFontRef % <string|name> <font> PrintFontRef <string|name> <font>
{ dup /FontName known { (Font ) } { (CIDFont ) } ifelse print 1 index =string cvs print dup /FontName .knownget not { dup /CIDFontName get } if % <string|name> <font> <fontname>
dup 3 index ne { ( \( aliased from ) print =string cvs print ( \)) print } { pop } ifelse} .internalbind def
/GetFontType % <font> GetFontType int
{ dup /CIDFontType .knownget { exch pop 9 add } { /FontType get } ifelse} .internalbind def
/FindInArray % <array> <elem> .array_find <bool>
{ //false 3 1 roll exch { % false elem elem_i
1 index eq { % false elem
pop //true exch } if } forall pop} .internalbind def
/ProvideUnicodeDecoding % <font> ProvideUnicodeDecoding <font>
{ % If the font is maintained by FAPI, or if it is TT-emulated CID font,
% it already has /Decoding. But its value isn't guaranteeed to
% be an Unicode decoding. Since we can't determine whether
% it is an Unicode decoding, we unconditionally load an appropriate Unicode decoding
% and attach it with /GlyphNames2Unicode entry.
%
% Another interesting case is when the font already has /GlyphNames2Unicode.
% The latter to be used instead. Note that /GlyphNames2Unicode
% appears only when type 32 fonts are disable (see .pdf_hook_DSC_Creator),
% but an automatic disabling is not implemented yet.
currentglobal //true setglobal exch dup /FontInfo known not { dup /FontInfo 1 dict put } if { % A loop just for 'exit' context.
dup /FontInfo get /GlyphNames2Unicode known { exit } if dup /CIDFontType known { dup mark exch % bool <font> [ <font>
dup /CIDSystemInfo get /Ordering get (.Unicode) % bool <font> [ <font> () ()
concatstrings cvn % bool <font> [ <font> /Name
/CIDDecoding { findresource } stopped { % Can't provide a decoding, giving up without creating /GlyphNames2Unicode.
cleartomark exit } if % bool <font> [ <font> <D>
exch /FontInfo get exch % bool <font> [ <FI> <D>
/GlyphNames2Unicode exch .forceput % FontInfo can be read-only.
pop % bool <font>
exit } executeonly if dup /FontInfo get % bool <font> <FI>
/GlyphNames2Unicode /Unicode /Decoding findresource .forceput % FontInfo can be read-only.
exit } executeonly loop exch setglobal} .forcebind odef % must be bound and hidden for .forceput
currentdict end /ProcSet defineresource pop
.setlanguagelevel
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