/usr/share/ghostscript/9.22/Resource/Init/gs_cff.ps is in libgs9-common 9.22~dfsg+1-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 | % Copyright (C) 2001-2012 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., 7 Mt. Lassen Drive - Suite A-134, San Rafael,
% CA 94903, U.S.A., +1(415)492-9861, for further information.
%
% Loader for CFF (compressed) fonts, including OpenType CFFs.
% The following are not implemented yet:
% Deleted entries in the Name Index
% Embedded PostScript
% Multiple Master fonts
% Chameleon fonts
% Synthetic fonts
% ---------------- Font loading machinery ---------------- %
% Augment the FONTPATH machinery so it recognizes OpenType CFF font sets.
/.scanfontheaders where {
pop /.scanfontheaders [
.scanfontheaders aload pop (OTTO*)
] def
} if
% Load a font file that might be an OpenType CFF font set.
% <file> .loadfontfile -
/.loadnonottofontfile /.loadfontfile load def
/.loadfontfile {
dup (12345678) .peekstring pop (wOFFOTTO) eq
{
.init_wOFF_otto_font_file
//true //false
}{//true} ifelse
{
dup 4 string .peekstring pop (OTTO) eq
{
% If this is a font at all, it's an OpenType CFF font set.
.init_otto_font_file //true
}
{ //false } ifelse
} if
{ % Use a random FontSet resource name. ****** WRONG ******
realtime rand xor =string cvs exch //false //false
ReadData pop
} {
% Not a TrueType font.
.loadnonottofontfile
} ifelse
} bind def
% <file> .init_otto_font_file <file>
/.init_otto_font_file {
/FontSetInit /ProcSet findresource begin
2 dict begin
/f exch def /cff //null def
card32 pop card16 6 { next pop } repeat dup {
% Stack: numtables tablesleft
dup 0 eq {
pop pop /.loadottofontfile cvx /invalidfont signalerror
} if
f 4 string readstring pop (CFF ) eq { sub exit } if
f 12 string readstring pop pop 1 sub % skip to next table
} loop
% Stack: tablesread
card32 pop card32 card32
% Stack: tablesread start length
exch 3 -1 roll 1 add 16 mul 12 add sub
f exch subfilefilter flushfile % skip to start
f exch subfilefilter end
} bind def
% <file> .init_otto_font_file <file>
/.init_wOFF_otto_font_file {
/FontSetInit /ProcSet findresource begin
2 dict begin
/f exch def /cff //null def
3 {card32 pop} repeat % (wOFF), (OTTO) and file length
card16
30 { next pop } repeat
dup
{
% Stack: numtables tablesleft
dup 0 eq {
pop pop /.loadottofontfile cvx /invalidfont signalerror
} if
f 4 string readstring pop (CFF ) eq { sub exit } if
f 12 string readstring pop pop 1 sub % skip to next table
} loop
% Stack: tablesread
4 { card32 } repeat
% Stack: tablesread start complen len checksum
pop
% Stack: tablesread start complen len
4 -2 roll exch
% Stack: complen len start tablesread
1 add 20 mul 44 add sub
% Stack: complen len offset
f exch subfilefilter flushfile % skip to start
% Stack: complen len
% the table can legally be uncompressed: complen == len
1 index 1 index eq
{ exch pop f exch subfilefilter}
{ pop f exch subfilefilter /FlateDecode filter} ifelse
end
} bind def
20 dict begin
% ------ Utilities ------ %
/subfilefilter { % <file> <length> subfilefilter <filter>
% SubFileDecode interprets a length of 0 as infinite.
dup 0 le { pop pop () 0 } if () /SubFileDecode filter
} bind def
/advance { % <n> advance -
f cff eq { pos add /pos exch store } { pop } ifelse
} bind def
/next { % - next <byte>
f read {
1 advance
CFFDEBUG { ( ) print dup = } if
} {
0
CFFDEBUG { ( Out of range access, assuming 0) = } if
/pdfformaterror where {
pop
( **** Warning: Out of range access to a CFF table, assuming 0.\n)
pdfformaterror
} if
} ifelse
} bind def
/next2 { % - next2 <byte1> <byte2>
f read {
f read {
2 advance
CFFDEBUG { ( ) print 1 index =only (,) print dup = } if
} {
1 advance
CFFDEBUG { ( ) print dup = } if
} ifelse
} if
} bind def
/nextstring { % <length> nextstring <string>
dup 0 eq {
pop ()
} {
string f exch readstring pop dup length advance
CFFDEBUG { ( ) print dup //== exec } if
} ifelse
} bind def
/card8 % - card8 <card8>
/next load
def
/card16 { % - card16 <card16>
next2 exch 8 bitshift add
} bind def
/card32 { % - card32 <card32>
card16 16 bitshift card16 add
} bind def
/offsetprocs [
/card8 load
/card16 load
{ card8 16 bitshift card16 add } bind
/card32 load
] readonly def
/offsetproc { % <offsize> offsetproc <proc>
1 sub //offsetprocs exch get
} bind def
/offset { % <offsize> offset <offset>
offsetproc exec
} bind def
/sid % - <sid> sid
/card16 load
def
% ------ Main program ------ %
% We need to pass the file as a parameter for the sake of the PDF
% interpreter. Also for the sake of PDF, a flag forces the font
% to be defined as <resname> instead of the name embedded in the data.
% This is needed for subsetted fonts; it is valid if the CFF
% contains only a single font.
% Finally, PDF interpreter may request creation of CIDFont out of an
% ordinary CFF font.
/StartData { % <resname> <nbytes> StartData -
currentfile exch subfilefilter //false //false ReadData pop
} bind def
/ReadData { % <resname> <file> <forceresname> <forcecid> ReadData <fontset>
% Initialize.
30 dict begin
/forcecidfont exch def
/forceresname exch def
/cff exch def
/pos 0 def
/resname exch cvlit def
/DEBUG CFFDEBUG def % bring the binding closer
/StringCache 1 dict def % Private DICT may be reused.
forcecidfont
[ { cff 1024 string readstring not { exit } if } loop ]
.parsecff /fonts exch def
resname
mark fonts {
forceresname { exch pop resname exch } if
dup /CIDFontType known { % This is a CIDFont.
dup /CIDFontName 3 index put
1 index exch /CIDFont defineresource
} { % This is a font.
dup /FontName 3 index put
dup /FontType 2 put
1 index exch
definefont
} ifelse
} forall .dicttomark
end % temporary dict
end % FontSetInit ProcSet
/FontSet defineresource
} bind def
% ---------------- Resource category definition ---------------- %
currentdict end readonly
languagelevel exch 2 .setlanguagelevel
/FontSet /Generic /Category findresource dup length dict .copydict
/Category defineresource pop
/FontSetInit exch /ProcSet defineresource pop
.setlanguagelevel
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