ref: 9861f1a92b373a16939fd6f3c167e5dad9f253d3
dir: /sys/src/cmd/gs/lib/gs_fntem.ps/
% Copyright (C) 2000 artofcode LLC. 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_fntem.ps,v 1.8 2004/10/25 15:11:37 igor Exp $
% 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) concatstrings
systemdict 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
} bind def
/FontOptions 5 dict begin
/make_procs currentdict def
/NameKey /FontName def
/TypeKey /FontType def
1
{ /FontMatrix [0.001 0 0 0.001 0 0] def
/FontBBox [-128 -128 1024 1024] def % zfapi.ps refines it.
/Private 0 dict def
/CharStrings << /.notdef () >> def
//FontCommon exec
} bind 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
} bind def
%fixme : more font types.
currentdict end def
%---------------------------CIDFont---------------------------
/TranslateCSI % <record> TranslateCSI <CSI>
{ RESMPDEBUG { (fntem TranslateCSI beg ) = } if
begin
<< /Registry (Adobe)
/Ordering CSI aload pop
/Supplement exch
>>
end
RESMPDEBUG { (fntem TranslateCSI end ) = } if
} bind 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.
} bind 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 []
>> def
setpacking
/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
} bind def
1
{ //CIDFontCommon exec
/FontMatrix [1 0 0 1 0 0] def
/BuildGlyph {} def
} bind 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
} bind def
currentdict end def
/complete_instance % <font_name> <FontDict> <Options> complete_FAPI_Font <font_name> <FontDict>
{ begin
dup length dict copy
begin
1 index NameKey exch def
currentglobal true setglobal
make_procs TypeKey load .knownget {
exec
} { setglobal
/complete_instance cvx /invalidfont signalerror
} ifelse
setglobal
currentdict end
end
} bind 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.
} bind def
/GetSize % <Name> <record> GetSize <size>
{ pop pop -1 % Unknown size.
% fixme: probably we could provide an estimation size for some fonts.
} bind def
/RecordVirtualMethodsStub 3 dict begin
/GetFilePath //GetFilePath def
/GetSize //GetSize def
currentdict end def
% ---------------------- Decoding helpers ----------------------------
/encodingnames mark
StandardEncoding /StandardEncoding
ISOLatin1Encoding /ISOLatin1Encoding
SymbolEncoding /SymbolEncoding
DingbatsEncoding /DingbatsEncoding
/resourceforall where
{ pop (*) { cvn dup findencoding exch } 1024 string /Encoding resourceforall }
if
.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 {
exch pop
/Decoding findresource 1 index exch /Decoding exch put
} {
% unknown encoding, convert it to decoding :
dup length dict begin
/.notdef 0 def
0 1 currentdict length 1 sub
{ dup 2 index exch get
dup /.notdef ne {
exch def
} {
pop pop
} ifelse
} for
pop
currentdict end
1 index exch /Decoding exch put
} ifelse
} ifelse
exit
} loop
dup /CIDFontType known {
dup /SubstNWP .knownget not {
dup /CIDSystemInfo get /Ordering get cvn
} if
dup type /nametype eq {
//SubstNWP exch get % <<font>> [SubstNWP]
} if
1 index exch /SubstNWP exch put
} if
} bind 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
} bind def
/GetFontType % <font> GetFontType int
{ dup /CIDFontType .knownget {
exch pop 9 add
} {
/FontType get
} ifelse
} bind 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
} bind 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
} if
dup /FontInfo get % bool <font> <FI>
/GlyphNames2Unicode /Unicode /Decoding findresource
.forceput % FontInfo can be read-only.
exit
} loop
exch setglobal
} bind def
currentdict end /ProcSet defineresource pop
.setlanguagelevel