/usr/share/ghostscript/9.22/Resource/Init/gs_fonts.ps is in libgs9-common 9.22~dfsg+1-0ubuntu1.
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1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 | % 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.
%
% Font initialization and management code.
% Define the default font.
/defaultfontname /Courier def
% Define the name of the font map file.
% Note that the "%%Replace " comment below provides the font map file name
% for compiling initialization files into executable. Most likely it should be
% consistent with the one specified here.
/defaultfontmap (Fontmap) def
/defaultfontmap_content 50 dict
1 dict begin
/; { 2 index 3 1 roll .growput } bind def
%% Replace 0 (Fontmap)
end def
% ------ End of editable parameters ------ %
% Define the UniqueIDs and organization XUID assigned to Artifex.
% UniqueIDs 5,066,501 - 5,066,580 are assigned as follows:
% 01 and 02 for shareware Cyrillic
% 33 through 67 for Type 1 versions of the Hershey fonts
% UniqueIDs 5,115,501 - 5,115,600 are currently unassigned.
/AladdinEnterprisesXUID 107 def
% If SUBSTFONT is defined, make it the default font.
/SUBSTFONT where { pop /defaultfontname /SUBSTFONT load def } if
% Define a reliable way of accessing FontDirectory in systemdict.
/.FontDirectory
{ /FontDirectory .systemvar
} .bind odef
% If DISKFONTS is true, we load individual CharStrings as they are needed.
% (This is intended primarily for machines with very small memories.)
% In this case, we define another dictionary, parallel to FontDirectory,
% that retains an open file for every font loaded.
/FontFileDirectory 10 dict def
% Define a temporary string for local use, since using =string
% interferes with some PostScript programs.
/.fonttempstring 8192 string def
% Split up a search path into individual directories or files.
/.pathlist % <path> .pathlist <dir1|file1> ...
{ { dup length 0 eq { pop exit } if
.filenamelistseparator search not { exit } if
exch pop exch
}
loop
} bind def
% Load a font name -> font file name map.
userdict /Fontmap .FontDirectory maxlength dict put
userdict /.nativeFontmap .FontDirectory maxlength dict put
/.loadFontmap { % <file> .loadFontmap -
% We would like to simply execute .definefontmap as we read,
% but we have to maintain backward compatibility with an older
% specification that makes later entries override earlier
% ones within the same file.
50 dict exch .readFontmap
{ .definefontmap } forall
} bind def
/.readFontmap { % <dict> <file> .readFontmap <dict>
{ dup token not { closefile exit } if
% stack: dict file fontname
% This is a hack to get around the absurd habit of MS-DOS editors
% of adding an EOF character at the end of the file.
dup (\032) eq { pop closefile exit } if
1 index token not
{ (Fontmap entry for ) print dup =only
( has no associated file or alias name! Giving up.) = flush
{.readFontmap} 0 get 1 .quit
} if
dup type dup /stringtype eq exch /nametype eq or not
{ (Fontmap entry for ) print 1 index =only
( has an invalid file or alias name! Giving up.) = flush
{.readFontmap} 0 get 1 .quit
} if
% stack: dict file fontname filename|aliasname
1 index type /stringtype eq
1 index type /nametype eq and 1 index xcheck and
1 index /run eq 2 index /.runlibfile eq or and {
% This is an inclusion entry.
pop findlibfile { exch pop } { file } ifelse
2 index exch .readFontmap pop
} {
% This is a real entry.
% Read and pop tokens until a semicolon.
{ 2 index token not
{ (Fontmap entry for ) print 1 index =only
( ends prematurely! Giving up.) = flush
{.loadFontmap} 0 get 1 .quit
} if
dup /; eq { pop 3 index 3 1 roll .growput exit } if
pop
} loop
} ifelse
} loop
} bind def
% Add an entry in Fontmap. We redefine this if the Level 2
% resource machinery is loaded.
/.definefontmapaux % <bool> <fontname> <file|alias> .definefontmapaux -
{ % Since Fontmap is global, make sure the values are storable.
% If the fontname contains Unicode (first byte == \000) and
% this is not an alias definition, define an alias using ASCII
% (stripping out the high \000 bytes). Observed with some TT fonts.
1 index 100 string cvs
dup length 0 gt {
0 get 0 eq 1 index type /nametype ne and {
1 index 100 string cvs dup length 2 div cvi string //true exch
0 1 2 index length 1 sub {
% stack: fontname filename fontnamestring addflag newstring index
dup 4 index exch 2 mul get 0 ne {
% High byte of pair is not \000
pop pop //false exch
exit
} if
dup 4 index exch 2 mul 1 add get 2 index 3 1 roll put
} for
exch {
DEBUG { (\nAdding alias for: ) print 1 index ==only ( as: ) print dup //== exec flush } if
cvn exch cvn .definefontmapaux % recurse with an alias
} {
pop pop % discard the name
} ifelse
} if
} {
pop
} ifelse
.currentglobal 3 1 roll //true .setglobal
dup type /stringtype eq
{ dup .gcheck not { dup length string copy } if
}
if
4 -1 roll {.nativeFontmap}{Fontmap} ifelse
3 -1 roll 2 copy .knownget
{ % Add an element to the end of the existing value,
% unless it's the same as the current last element.
mark exch aload pop counttomark 4 add -1 roll
2 copy eq { cleartomark pop pop } { ] readonly .growput } ifelse
}
{ % Make a new entry.
mark 4 -1 roll ] readonly .growput
}
ifelse .setglobal
} bind def
/.definefontmap % <fontname> <file|alias> .definefontmap -
{
//false 3 1 roll //.definefontmapaux exec
} bind def
/.definenativefontmap % <fontname> <file|alias> .definenativefontmap -
{
//true 3 1 roll //.definefontmapaux exec
} bind def
% Parse a font file just enough to find the FontName or FontType.
/.findfontvalue { % <file> <key> .findfontvalue <value> true
% <file> <key> .findfontvalue false
% Closes the file in either case.
exch dup read {
2 copy unread 16#80 eq {
dup (xxxxxx) readstring pop pop % skip .PFB header
} if
{ % Stack: key file
% Protect ourselves against syntax errors here.
dup { token } stopped { //false exit } if
not { //false exit } if % end of file
dup /eexec eq { pop //false exit } if % reached eexec section
dup /Subrs eq { pop //false exit } if % Subrs without eexec
dup /CharStrings eq { pop //false exit } if % CharStrings without eexec
dup 3 index eq
{ xcheck not { dup token exit } if } % found key
{ pop }
ifelse
} loop
% Stack: key file value true (or)
% Stack: key file false
dup { 4 } { 3 } ifelse -2 roll closefile pop
} { closefile pop //false } ifelse
} bind def
/.findfontname
{ /FontName .findfontvalue
} bind def
% If there is no FONTPATH, try to get one from the environment.
NOFONTPATH { /FONTPATH () def } if
/FONTPATH where
{ pop }
{ /FONTPATH (GS_FONTPATH) getenv not { () } if def }
ifelse
FONTPATH length 0 eq { (%END FONTPATH) .skipeof } if
/FONTPATH [ FONTPATH .pathlist ] def
% Scan directories looking for plausible fonts. "Plausible" means that
% the file begins with %!PS-AdobeFont or %!FontType1, or with \200\001
% followed by four arbitrary bytes and then either of these strings.
% To speed up the search, we skip any file whose name appears in
% the Fontmap (with any extension and upper/lower case variation) already,
% and any file whose extension definitely indicates it is not a font.
%
% NOTE: The current implementation of this procedure is somewhat Unix/DOS-
% specific. It assumes that '/' and '\' are directory separators, and that
% the part of a file name following the last '.' is the extension.
%
/.lowerstring % <string> .lowerstring <lowerstring>
{ 0 1 2 index length 1 sub
{ 2 copy get dup 65 ge exch 90 le and
{ 2 copy 2 copy get 32 add put }
if pop
}
for
} bind def
/.splitfilename { % <dir.../base.extn> .basename <base> <extn>
% Make the file name read-only to detect aliasing bugs.
% We really don't like doing this, but we've had one
% such bug already.
readonly {
(/) search { //true } { (\\) search } ifelse { pop pop } { exit } ifelse
} loop
dup { (.) search { pop pop } { exit } ifelse } loop
2 copy eq {
pop ()
} {
exch dup length 2 index length 1 add sub 0 exch getinterval exch
} ifelse
} bind def
/.scanfontdict 1 dict def % establish a binding
/.scanfontbegin
{ % Construct the table of all file names already in Fontmap.
currentglobal //true setglobal
.scanfontdict dup maxlength Fontmap length 2 add .max .setmaxlength
Fontmap
{ exch pop
{ dup type /stringtype eq
{ .splitfilename pop .fonttempstring copy .lowerstring cvn
.scanfontdict exch //true put
}
{ pop
}
ifelse
}
forall
}
forall
setglobal
} bind def
/.scanfontskip mark
% Strings are converted to names anyway, so....
/afm //true
/bat //true
/c //true
/cmd //true
/com //true
/dir //true
/dll //true
/doc //true
/drv //true
/exe //true
/fon //true
/fot //true
/h //true
/o //true
/obj //true
/pfm //true
/pss //true % Adobe Multiple Master font instances
/txt //true
.dicttomark def
/.scan1fontstring 8192 string def
% %%BeginFont: is not per Adobe documentation, but a few fonts have it.
/.scanfontheaders [(%!PS-Adobe*) (%!FontType*) (%%BeginFont:*)] def
0 .scanfontheaders { length .max } forall 6 add % extra for PFB header
/.scan1fontfirst exch string def
/.scanfontdir % <dirname> .scanfontdir -
{ currentglobal exch //true setglobal
QUIET not { (Scanning ) print dup print ( for fonts...) print flush } if
[ 1 index ] (*) .generate_dir_list_templates
0 0 0 4 -1 roll % found scanned files
{ % stack: <fontcount> <scancount> <filecount> <filename>
exch 1 add exch % increment filecount
dup .splitfilename .fonttempstring copy .lowerstring
% stack: <fontcount> <scancount> <filecount+1> <filename>
% <BASE> <ext>
.scanfontskip exch known exch .scanfontdict exch known or
{ pop
% stack: <fontcount> <scancount> <filecount+1>
}
{ 3 -1 roll 1 add 3 1 roll
% stack: <fontcount> <scancount+1> <filecount+1> <filename>
dup (r) { file } .internalstopped
{ pop pop //null ()
% stack: <fontcount> <scancount+1> <filecount+1> <filename>
% null ()
}
{
% On some platforms, the file operator will open directories,
% but an error will occur if we try to read from one.
% Handle this possibility here.
dup .scan1fontfirst { readstring } .internalstopped
{ pop pop () }
{ pop }
ifelse
% stack: <fontcount> <scancount+1> <filecount+1>
% <filename> <file> <header>
}
ifelse
% Check for PFB file header.
dup (\200\001????*) .stringmatch
{ dup length 6 sub 6 exch getinterval }
if
% Check for font file headers.
//false .scanfontheaders
{ 2 index exch .stringmatch or
}
forall exch pop
{ % stack: <fontcount> <scancount+1> <filecount+1> <filename>
% <file>
dup 0 setfileposition .findfontname
{ dup .nativeFontmap exch known
{ pop pop
}
{ exch copystring exch
DEBUG { ( ) print dup =only flush } if
1 index .definenativefontmap
.splitfilename pop //true .scanfontdict 3 1 roll .growput
% Increment fontcount.
3 -1 roll 1 add 3 1 roll
}
ifelse
}
{ pop
}
ifelse
}
% .findfontname will have done a closefile in the above case.
{ dup //null eq { pop } { closefile } ifelse pop
}
ifelse
}
ifelse
}
.scan1fontstring filenameforall
QUIET
{ pop pop pop }
{ ( ) print =only ( files, ) print =only ( scanned, ) print
=only ( new fonts.) = flush
}
ifelse
pop
setglobal
} bind def
%END FONTPATH
% Try to enumerate native fonts registered with the os
% and add them to the fontmap. This relies on a custom
% operator which calls platform-specific C code. It
% returns an array of arrays, each containing a pair
% of strings: what the system thinks is the ps name,
% and the access path.
/.setnativefontmapbuilt { % set whether we've been run
systemdict exch /.nativefontmapbuilt exch .forceput
} .bind executeonly def
systemdict /NONATIVEFONTMAP known .setnativefontmapbuilt
/.buildnativefontmap { % - .buildnativefontmap <bool>
systemdict /.nativefontmapbuilt .knownget not
{ //false} if
{//false}
{
QUIET not {
(Querying operating system for font files...\n)
print flush
} if
.getnativefonts dup
{
exch
{
% stack: [ (name) (path) ]
% verify the font name ourselves
dup 1 get (r) { file } .internalstopped
{
% skip the entry if we can't open the returned path
pop pop pop
}{
% we could open the font file
mark 2 1 roll
{.findfontname} .internalstopped
{
cleartomark
pop
}
{
counttomark 1 add -1 roll pop
not { dup 0 get } if % stack: (newname) [ (name) (path) ]
% DEBUG { ( found ) print dup print (\n) print flush } if
% add entry to the fontmap
1 index exch 0 exch dup type /nametype ne {cvn} if put
aload pop .definenativefontmap
} ifelse
} ifelse
} forall
} if
% record that we've been run
//true .setnativefontmapbuilt
} ifelse
} bind def
% Create the dictionary that registers the .buildfont procedure
% (called by definefont) for each FontType.
/buildfontdict 20 dict def
% Register Type 3 fonts, which are always supported, for definefont.
buildfontdict 3 /.buildfont3 cvx put
% Register Type 0 fonts if they are supported. Strictly speaking,
% we should do this in its own file (gs_type0.ps), but since this is
% the only thing that would be in that file, it's simpler to put it here.
/.buildfont0 where { pop buildfontdict 0 /.buildfont0 cvx put } if
% Define definefont. This is a procedure built on a set of operators
% that do all the error checking and key insertion.
/.growfontdict
{ % Grow the font dictionary, if necessary, to ensure room for an
% added entry, making sure there is at least one slot left for FID.
dup maxlength 1 index length sub 2 lt
{ dup dup wcheck
{ .growdict }
{ .growdictlength dict .copydict }
ifelse
}
{ dup wcheck not { dup maxlength dict .copydict } if
}
ifelse
} bind def
/.completefont {
{ % Check for disabled platform fonts.
NOPLATFONTS
{ % Make sure we leave room for FID.
.growfontdict dup /ExactSize 0 put
}
{ % Hack: if the Encoding looks like it might be the
% Symbol or Dingbats encoding, load those now (for the
% benefit of platform font matching) just in case
% the font didn't actually reference them.
% Note that some types of font don't have an Encoding.
dup /Encoding .knownget {
dup length 65 ge {
64 get
dup /congruent eq { SymbolEncoding pop } if
/a9 eq { DingbatsEncoding pop } if
} {
pop
} ifelse
} if
}
ifelse
dup /OrigFont known not {
dup dup /OrigFont exch .growput
} if
//true exch
% If this is a CIDFont, CIDFontType takes precedence
% over FontType.
dup /CIDFontType known {
/.buildcidfont where {
pop exch not exch % true => false
} if
} if
exch {
dup /FontType get //buildfontdict exch get
} {
{.buildcidfont} % so it gets bound
} ifelse
} stopped { $error /command get /invalidfont signalerror } if
% Execute the .buildxxxfontx outside the 'stopped', because we don't
% want its errors converted to invalidfont.
exec
{
DISKFONTS {
FontFileDirectory 2 index known {
dup /FontFile FontFileDirectory 4 index get .growput
} if
} if
systemdict /ProvideUnicode .knownget not { //false } if {
/FontEmulationProcs /ProcSet findresource
/ProvideUnicodeDecoding get exec
} if
readonly % stack: name fontdict
} stopped { $error /command get /invalidfont signalerror } if
} bind def
/definefont
{ dup rcheck not {
/definefont cvx /invalidaccess signalerror
} if
/definefont cvx {.completefont} .errorexec
% If the current allocation mode is global, also enter
% the font in LocalFontDirectory.
.currentglobal
{ //systemdict /LocalFontDirectory .knownget
{ 2 index 2 index { .growput } systemdict /superexec known {//superexec}{1183615869 internaldict /superexec get exec} ifelse } % readonly
if
}
if
dup .FontDirectory 4 -2 roll { .growput } systemdict /superexec known {//superexec}{1183615869 internaldict /superexec get exec} ifelse % readonly
% If the font originated as a resource, register it.
currentfile .currentresourcefile eq { dup .registerfont } if
readonly
} odef
% Define a procedure for defining aliased fonts.
% We use this only for explicitly aliased fonts, not substituted fonts:
% we think this matches the observed behavior of Adobe interpreters.
/.aliasfont % <name> <font> .aliasfont <newFont>
{ .currentglobal 3 1 roll dup .gcheck .setglobal
% <bool> <name> <font>
dup length 2 add dict % <bool> <name> <font> <dict>
dup 3 -1 roll % <bool> <name> <dict> <dict> <font>
{ 1 index /FID eq { pop pop } { put dup } ifelse } forall
% <bool> <name> <dict> <dict>
% Stack: global fontname newfont newfont.
% We might be defining a global font whose FontName
% is a local string. This is weird, but legal,
% and doesn't cause problems anywhere else:
% to avoid any possible problems in this case, do a cvn.
% We might also be defining (as an alias) a global font
% whose FontName is a local non-string, if someone passed a
% garbage value to findfont. In this case, just don't
% call definefont at all.
2 index dup type /stringtype eq exch .gcheck or 1 index .gcheck not or
{ pop % <bool> <name> <dict>
1 index dup type /stringtype eq { cvn } if
% <bool> <name> <dict> <name1>
% HACK:
% We want to know whether we alias a font,
% because in this case its FontName to be replaced with the alias.
% There is no simple way to know that at this point.
% But if the original font has defaultfontname,
% we probably substitute it rather than alias.
% Using such condition as an approximation to the strong condition.
%
% Note it works wrongly if Fontmap maps something to defaultfontname like this :
% /Courier /NimbusMonL-Regu ;
% /Something /Courier ;
% The FontName of Something will not be /Something. It will be /Courier .
%
1 index /FontName get defaultfontname ne {
2 copy /FontName exch put
} if
1 index exch /.Alias exch put % <bool> <name> <dict>
dup dup /OrigFont exch .growput
% Don't bind in definefont, since Level 2 redefines it.
/definefont .systemvar exec
}
{ /findfont cvx {.completefont} .errorexec pop exch pop
}
ifelse
exch .setglobal
} odef % so findfont will bind it
% Define .loadfontfile for loading a font. If we recognize Type 1 and/or
% TrueType fonts, gs_type1.ps and/or gs_ttf.ps will redefine this.
/.loadfontfile {
% According to Ed Taft, Adobe interpreters push userdict
% before loading a font, and pop it afterwards.
userdict begin
cvx exec
end
} bind def
/.setloadingfont {
//systemdict /.loadingfont 3 -1 roll .forceput
} .bind odef % .forceput must be bound and hidden
/.loadfont
{ % Some buggy fonts leave extra junk on the stack,
% so we have to make a closure that records the stack depth
% in a fail-safe way.
//true .setloadingfont
{ /FAPI_hook_disable pop % gs_fapi accesses this with execstack_lookup - don't remove !
{{.loadfontfile} .execasresource} count 1 sub 2 .execn
count exch sub { pop } repeat
exit
} loop % this loop is a pattern for execstack_lookup, don't remove !
//false .setloadingfont
} bind def
% Find an alternate font to substitute for an unknown one.
% We go to some trouble to parse the font name and extract
% properties from it. Later entries take priority over earlier.
/.substitutefaces [
% Define substitutes for the fonts we define in Fontmap.GS
[(Charter) /Times 0]
[(Utopia) /Times 0]
[(Antiqua) /Times 0]
[(Calligraphic) /Helvetica 0]
[(Hershey) /Times 0]
% Guess at suitable substitutions for random unknown fonts.
[(Book) /NewCenturySchlbk 0]
[(Grot) /Helvetica 0]
[(Roman) /Times 0]
[(Chancery) /ZapfChancery-MediumItalic 0]
% If the family name appears in the font name,
% use a font from that family.
[(Arial) /Helvetica 0]
[(Avant) /AvantGarde 0]
[(Bookman) /Bookman 0]
[(Century) /NewCenturySchlbk 0]
[(Cour) /Courier 0]
[(Frut) /Helvetica 0]
[(Garamond) /Palatino 0]
[(Geneva) /Helvetica 0]
[(Helv) /Helvetica 0]
[(NewYork) /Bookman 0]
[(Pala) /Palatino 0]
[(Schlbk) /NewCenturySchlbk 0]
[(Swiss) /Helvetica 0]
[(Symbol) /Symbol 0]
[(Times) /Times 0]
% Substitute for Adobe Multiple Master fonts.
[(Minion) /Times 0]
[(Myriad) /Helvetica 0]
% If the font wants to be monospace, use Courier.
[(Monospace) /Courier 0]
[(Typewriter) /Courier 0]
% Define substitutes for the other Adobe PostScript 3 fonts.
% For some of them, the substitution is pretty bad!
[(Albertus) /Palatino 0]
[(AntiqueOlive) /Helvetica 0]
[(Bodoni) /NewCenturySchlbk 0]
[(Chicago) /Helvetica 2]
[(Clarendon) /Bookman 0]
[(Cooper) /NewCenturySchlbk 0]
[(Copperplate) /AvantGarde 0] % inappropriate, small-cap font
[(Coronet) /ZapfChancery-MediumItalic 0]
[(Eurostile) /Helvetica 0]
[(Geneva) /Courier 2] % should be fixed-pitch sans demi
[(GillSans) /Helvetica 2]
[(GillSans-Light) /Helvetica 0]
[(Goudy) /Palatino 0]
[(Hoefler) /NewCenturySchlbk 0]
[(Joanna) /Times 0]
[(LetterGothic) /Courier 0] % should be fixed-pitch sans
[(LubalinGraph-Book) /Bookman 2]
[(LubalinGraph-Demi) /Bookman 0]
[(Marigold) /ZapfChancery-MediumItalic 0]
[(MonaLisa-Recut) /Palatino 0] % inappropriate
[(Monaco) /Courier 2] % should be fixed-pitch sans demi
[(Optima) /Helvetica 0]
[(Oxford) /ZapfChancery-MediumItalic 0]
[(Tekton) /Helvetica 0]
[(Univers) /Helvetica 0]
] readonly def
/.substituteproperties [
[(It) 1] [(Oblique) 1]
[(Black) 2] [(Bd) 2] [(Bold) 2] [(bold) 2] [(Demi) 2] [(Heavy) 2] [(Sb) 2]
[(Cn) 4] [(Cond) 4] [(Narrow) 4] [(Pkg) 4] [(Compr) 4]
[(Serif) 8] [(Sans) -8]
] readonly def
/.fontnameproperties { % <int> <string|name> .fontnameproperties
% <int'>
.fontnamestring
.substituteproperties {
2 copy 0 get search {
pop pop pop dup length 1 sub 1 exch getinterval 3 -1 roll exch {
dup 0 ge { or } { neg not and } ifelse
} forall exch
} {
pop pop
} ifelse
} forall pop
} bind def
/.substitutefamilies mark
/AvantGarde
{/AvantGarde-Book /AvantGarde-BookOblique
/AvantGarde-Demi /AvantGarde-DemiOblique}
/Bookman
{/Bookman-Demi /Bookman-DemiItalic /Bookman-Light /Bookman-LightItalic}
/Courier
{/Courier /Courier-Oblique /Courier-Bold /Courier-BoldOblique}
/Helvetica
{/Helvetica /Helvetica-Oblique /Helvetica-Bold /Helvetica-BoldOblique
/Helvetica-Narrow /Helvetica-Narrow-Oblique
/Helvetica-Narrow-Bold /Helvetica-Narrow-BoldOblique}
/NewCenturySchlbk
{/NewCenturySchlbk-Roman /NewCenturySchlbk-Italic
/NewCenturySchlbk-Bold /NewCenturySchlbk-BoldItalic}
/Palatino
{/Palatino-Roman /Palatino-Italic /Palatino-Bold /Palatino-BoldItalic}
/Symbol
{/Symbol /Symbol /Symbol /Symbol}
/Times
{/Times-Roman /Times-Italic /Times-Bold /Times-BoldItalic}
/ZapfChancery-MediumItalic
{/ZapfChancery-MediumItalic}
.dicttomark readonly def
/.nametostring { % <name> .nametostring <string>
% <other> .nametostring <other>
dup type /nametype eq { .namestring } if
} bind def
/.fontnamestring { % <fontname> .fontnamestring <string|name>
dup type dup /nametype eq {
pop .namestring
} {
/stringtype ne { pop () } if
} ifelse
} bind def
/.substitutefontname { % <fontname> <properties> .substitutefontname
% <altname|null>
% Look for properties and/or a face name in the font name.
% If we find any, use Times (serif) or Helvetica (sans) as the
% base font; otherwise, use the default font.
% Note that the "substituted" font name may be the same as
% the requested one; the caller must check this.
exch .fontnamestring {
defaultfontname /Helvetica-Oblique /Helvetica-Bold /Helvetica-BoldOblique
/Helvetica-Narrow /Helvetica-Narrow-Oblique
/Helvetica-Narrow-Bold /Helvetica-Narrow-BoldOblique
/Times-Roman /Times-Italic /Times-Bold /Times-BoldItalic
/Helvetica-Narrow /Helvetica-Narrow-Oblique
/Helvetica-Narrow-Bold /Helvetica-Narrow-BoldOblique
} 3 1 roll
% Stack: facelist properties fontname
% Look for a face name.
.substitutefaces {
2 copy 0 get search {
pop pop pop
% Stack: facelist properties fontname [(pattern) family properties]
dup 2 get 4 -1 roll or 3 1 roll
1 get .substitutefamilies exch get
4 -1 roll pop 3 1 roll
} {
pop pop
} ifelse
} forall pop
1 index length mod get exec
} bind def
/.substitutefont { % <fontname> .substitutefont <altname>
dup 0 exch .fontnameproperties .substitutefontname
% Only accept fonts known in the Fontmap.
Fontmap 1 index known not
{
.nativeFontmap 1 index known not
{pop defaultfontname } if
} if
} bind def
% If requested, make (and recognize) fake entries in FontDirectory for fonts
% present in Fontmap but not actually loaded. Thanks to Ray Johnston for
% the idea behind this code.
FAKEFONTS not { (%END FAKEFONTS) .skipeof } if
% We use the presence or absence of the FontMatrix key to indicate whether
% a font is real or fake. We must pop the arguments at the very end,
% so that stack protection will be effective.
/definefont { % <name> <font> definefont <font>
dup /FontMatrix known {
//definefont
} {
2 copy /FontName get findfont //definefont exch pop exch pop
} ifelse
} bind odef
/scalefont { % <font> <scale> scalefont <font>
1 index /FontMatrix known {
//scalefont
} {
1 index /FontName get findfont 1 index //scalefont
exch pop exch pop
} ifelse
} bind odef
/makefont { % <font> <matrix> makefont <font>
1 index /FontMatrix known {
//makefont
} {
1 index /FontName get findfont 1 index //makefont
exch pop exch pop
} ifelse
} bind odef
/setfont { % <font> setfont -
dup /FontMatrix known {
//setfont
} {
dup /FontName get findfont //setfont pop
} ifelse
} bind odef
%END FAKEFONTS
% Define findfont so it tries to load a font if it's not found.
% The Red Book requires that findfont be a procedure, not an operator,
% but it still needs to restore the stacks reliably if it fails,
% so we do all the work in an operator.
/.findfont { % <fontname> .findfont <font>
mark 1 index % <fontname> mark <fontname>
//systemdict begin .dofindfont
% <fontname> mark <alias> ... <font>
% Define any needed aliases.
counttomark 1 sub { .aliasfont } repeat end
% <fontname> mark <font>
exch pop exch pop
} odef
/findfont {
.findfont
} bind def
% Check whether the font name we are about to look for is already on the list
% of aliases we're accumulating; if so, cause an error.
/.checkalias % -mark- <alias1> ... <name> .checkalias <<same>>
{ counttomark 1 sub -1 1
{ index 1 index eq
{ pop QUIET not
{ (Unable to substitute for font.) = flush
} if
/findfont cvx /invalidfont signalerror
}
if
}
for
} bind def
% Get a (non-fake) font if present in a FontDirectory.
/.fontknownget % <fontdir> <fontname> .fontknownget <font> true
% <fontdir> <fontname> .fontknownget false
{ .knownget
{ FAKEFONTS
{ dup /FontMatrix known { //true } { pop //false } ifelse }
{ //true }
ifelse
}
{ //false
}
ifelse
} bind def
% This is the standard procedure for handling font substitution.
% Its location is per an Adobe newsgroup posting.
% It is called with the font name on the stack, standing in for findfont.
/.stdsubstfont { % mark <alias1> ... <fontname> .stdsubstfont mark <alias1> ... <aliasN> <font>
/SUBSTFONT where {
pop QUIET not {
(Substituting for font ) print dup =only
(.) = flush
} if
% No aliasing.
% This mode is incompatible with high level devices.
cleartomark mark defaultfontname
} {
dup .substitutefont
2 copy eq { pop defaultfontname } if
.checkalias
QUIET not {
SHORTERRORS {
(%%[) print 1 index =only
( not found, substituting ) print dup =only (]%%)
} {
(Substituting font ) print dup =only
( for ) print 1 index =only (.)
} ifelse = flush
} if
} ifelse
/Font findresource
} bind def
% Default font substitution does {pop /Courier} om many implementations.
% GS post-process font substitution in .stdsubstfont and uses {} for
% backward compatibility
$error /SubstituteFont { } put
% Scan the next directory on FONTPATH.
/.scannextfontdir { % - .scannextfontdir <bool>
% If we haven't scanned all the directories in
% FONTPATH, scan the next one.
//null 0 1 FONTPATH length 1 sub {
FONTPATH 1 index get //null ne { exch pop exit } if pop
} for dup //null ne {
dup 0 eq { .scanfontbegin } if
FONTPATH 1 index get .scanfontdir
FONTPATH exch //null put //true
} {
pop //false
} ifelse
} bind def
% Do the work of findfont, including substitution, defaulting, and
% scanning of FONTPATH.
/.dofindfont { % mark <fontname> .dofindfont % mark <alias> ... <font>
.tryfindfont not {
% We didn't find the font. If we haven't scanned
% all the directories in FONTPATH, scan the next one
% now and look for the font again.
.scannextfontdir {
% Start over with an empty alias list.
counttomark 1 sub { pop } repeat % mark <fontname>
.dofindfont
} {
% No more directories to scan. Try building the native
% font map entries if we haven't already done so.
.buildnativefontmap {
% Same stack as at the beginning of .dofindfont.
.dofindfont % start over
} {
% No luck. Make sure we're not already
% looking for the default font.
QUIET not {
(Didn't find this font on the system!\n)
print
} if
dup defaultfontname eq {
QUIET not {
(Unable to load default font ) print
dup =only (! Giving up.) = flush
} if
/findfont cvx /invalidfont signalerror
} if
% Substitute for the font. Don't alias.
% Same stack as at the beginning of .dofindfont.
$error /SubstituteFont get exec
%
% igorm: I guess the surrounding code assumes that .stdsubstfont
% must ADD an alias to allow .checkalias and .findfont to work properly.
% Also I guess that a trailing recursion is
% used in .dofindfont and through .stdsubstfont
% just to represent a simple iteration,
% which accumulates the aliases after the mark.
.stdsubstfont
} ifelse
} ifelse
} if
} bind def
% Try to find a font using only the present contents of Fontmap.
/.tryfindfont { % <fontname> .tryfindfont <font> true
% <fontname> .tryfindfont false
.FontDirectory 1 index .fontknownget
{ % Already loaded
exch pop //true
}
{
dup Fontmap exch .knownget
{ //true //true }
{ % Unknown font name. Look for a file with the
% same name as the requested font.
dup .tryloadfont
{ exch pop //true //false }
{
% if we can't load by name check the native font map
dup .nativeFontmap exch .knownget
{ //true //true }
{ //false //false } ifelse
} ifelse
} ifelse
{ % Try each element of the Fontmap in turn.
pop
//false exch % (in case we exhaust the list)
% Stack: fontname false fontmaplist
{ exch pop
dup type /nametype eq
{ % Font alias
.checkalias .tryfindfont exit
}
{ dup dup type dup /arraytype eq exch /packedarraytype eq or exch xcheck and
{ % Font with a procedural definition
exec % The procedure will load the font.
% Check to make sure this really happened.
.FontDirectory 1 index .knownget
{ exch pop //true exit }
if
}
{ % Font file name
//true .loadfontloop { //true exit } if
}
ifelse
}
ifelse //false
}
forall
% Stack: font true -or- fontname false
{ //true
}
{ % None of the Fontmap entries worked.
% Try loading a file with the same name
% as the requested font.
.tryloadfont
}
ifelse
}
if
}
ifelse
} bind def
% any user of .putgstringcopy must use bind and executeonly
/.putgstringcopy % <dict> <name> <string> .putgstringcopy -
{ 2 index gcheck currentglobal
2 copy eq {
pop pop .forceput
} {
5 1 roll setglobal
dup length string copy
.forceput setglobal
} ifelse
} .bind odef % must be bound and hidden for .forceput
% Attempt to load a font from a file.
/.tryloadfont { % <fontname> .tryloadfont <font> true
% <fontname> .tryloadfont false
dup .nametostring
% Hack: check for the presence of the resource machinery.
/.genericrfn where {
pop
pop dup .fonttempstring /FontResourceDir getsystemparam .genericrfn
{//false .loadfontloop} .internalstopped {//false} if {
//true
} {
dup .nametostring
{//true .loadfontloop} .internalstopped {//false} if
} ifelse
} {
{//true .loadfontloop} .internalstopped {//false} if
} ifelse
} bind def
/.loadfontloop { % <fontname> <filename> <libflag> .loadfontloop
% <font> true
% -or-
% <fontname> false
% See above regarding the use of 'loop'.
{ % Is the font name a string?
1 index type /stringtype ne
{ pop
QUIET not
{ (Can't find font with non-string name: ) print dup =only (.) = flush
}
if pop //false exit
} if
% check <libflag>
{
findlibfile not
} {
dup (r) { file } stopped {
pop pop //true
} {
//false
} ifelse
} ifelse {
QUIET not
{ (Can't find \(or can't open\) font file ) print dup print
(.) = flush
}
if pop //false exit
} if
% Stack: fontname fontfilename fontfile
DISKFONTS
{ .currentglobal //true .setglobal
2 index (r) file
FontFileDirectory exch 5 index exch .growput
.setglobal
}
if
QUIET not
{ (Loading ) print 2 index =only
( font from ) print 1 index print (... ) print flush
}
if
% If LOCALFONTS isn't set, load the font into local or global
% VM according to FontType; if LOCALFONTS is set, load the font
% into the current VM, which is what Adobe printers (but not
% DPS or CPSI) do.
LOCALFONTS { //false } { /setglobal where } ifelse
{ pop /FontType .findfontvalue { 1 eq } { //false } ifelse
% .setglobal, like setglobal, aliases FontDirectory to
% GlobalFontDirectory if appropriate. However, we mustn't
% allow the current version of .setglobal to be bound in,
% because it's different depending on language level.
.currentglobal exch /.setglobal .systemvar exec
% Remove the fake definition, if any.
.FontDirectory 3 index .forceundef % readonly
1 index (r) file .loadfont .FontDirectory exch
/.setglobal .systemvar exec
}
{ .loadfont .FontDirectory
}
ifelse
% Stack: fontname fontfilename fontdirectory
QUIET not
{ //systemdict /level2dict known
{ .currentglobal //false .setglobal vmstatus
//true .setglobal vmstatus 3 -1 roll pop
6 -1 roll .setglobal 5
}
{ vmstatus 3
}
ifelse { =only ( ) print } repeat
(done.) = flush
} if
% Check to make sure the font was actually loaded.
dup 3 index .fontknownget
{ dup /PathLoad 4 index //.putgstringcopy exec
4 1 roll pop pop pop //true exit
} if
% Maybe the file had a different FontName.
% See if we can get a FontName from the file, and if so,
% whether a font by that name exists now.
exch dup % Stack: origfontname fontdirectory path path
(r) file .findfontname
{ % Stack: origfontname fontdirectory path filefontname
2 index 1 index .fontknownget
{ % Yes. Stack: origfontname fontdirectory path filefontname fontdict
dup 4 -1 roll /PathLoad exch //.putgstringcopy exec
% Stack: origfontname fontdirectory filefontname fontdict
3 -1 roll pop
% Stack: origfontname filefontname fontdict
dup /FontName get dup FontDirectory exch .forceundef
GlobalFontDirectory exch .forceundef
dup length dict .copydict dup 3 index /FontName exch put
2 index exch definefont
exch
QUIET
{ pop
}
{ (Using ) print =only
( font for ) print 1 index =only
(.) = flush
}
ifelse % Stack: origfontname fontdict
exch pop //true exit
% Stack: fontdict
}
if pop % Stack: origfontname fontdirectory path
}
if pop pop % Stack: origfontname
% The font definitely did not load correctly.
QUIET not
{ (Loading ) print dup =only
( font failed.) = flush
} if
//false exit
} loop % end of loop
} bind executeonly def % must be bound and hidden for .putgstringcopy
currentdict /.putgstringcopy .undef
% Define a procedure to load all known fonts.
% This isn't likely to be very useful.
/loadallfonts
{
[Fontmap .nativeFontmap] { { pop findfont pop } forall } forall
} bind def
% If requested, load all the fonts defined in the Fontmap into FontDirectory
% as "fake" fonts i.e., font dicts with only FontName and FontType defined.
% (We define FontType only for the sake of some questionable code in the
% Apple Printer Utility 2.0 font inquiry code.)
%
% Note that this procedure only creates fake fonts in the FontDirectory
% associated with the current VM. This is because in multi-context systems,
% creating the fake fonts in local VM leads to undesirable complications.
/.definefakefonts
{
}
{
(gs_fonts FAKEFONTS) VMDEBUG
[Fontmap .nativeFontmap ]
{
{
pop dup type /stringtype eq { cvn } if
.FontDirectory 1 index known not {
2 dict dup /FontName 3 index put
dup /FontType 1 put
.FontDirectory 3 1 roll { put } systemdict /superexec known {//superexec}{1183615869 internaldict /superexec get exec} ifelse % readonly
} {
pop
} ifelse
} forall
} forall
}
FAKEFONTS { exch } if pop def % don't bind, .current/setglobal get redefined
% Install initial fonts from Fontmap.
/.loadinitialfonts
{ NOFONTMAP not
{ /FONTMAP where
{ pop [ FONTMAP .pathlist ]
{ dup VMDEBUG findlibfile
{ exch pop .loadFontmap }
{ /undefinedfilename signalerror }
ifelse
}
}
{ LIBPATH
{ defaultfontmap
//false .file_name_combine
{
dup VMDEBUG
(r) { file } .internalstopped {
pop pop
defaultfontmap_content { .definefontmap } forall
} {
.loadFontmap
} ifelse
} {
pop pop
} ifelse
}
}
ifelse forall
}
if
userdict /defaultfontmap_content .undef
.definefakefonts % current VM is global
} def % don't bind, .current/setglobal get redefined
% ---------------- Synthetic font support ---------------- %
% Create a new font by modifying an existing one. paramdict contains
% entries with the same keys as the ones found in a Type 1 font;
% it should also contain enough empty entries to allow adding the
% corresponding non-overridden entries from the original font dictionary,
% including FID. If paramdict includes a FontInfo entry, this will
% also override the original font's FontInfo, entry by entry;
% again, it must contain enough empty entries.
% Note that this procedure does not perform a definefont.
/.makemodifiedfont % <fontdict> <paramdict> .makemodifiedfont <fontdict'>
{ exch
{ % Stack: destdict key value
1 index /FID ne
{ 2 index 2 index known
{ % Skip fontdict entry supplied in paramdict, but
% handle FontInfo specially.
1 index /FontInfo eq
{ 2 index 2 index get % new FontInfo
1 index % old FontInfo
{ % Stack: destdict key value destinfo key value
2 index 2 index known
{ pop pop }
{ 2 index 3 1 roll put }
ifelse
}
forall pop
}
if
}
{ % No override, copy the fontdict entry.
2 index 3 1 roll put
dup dup % to match pop pop below
}
ifelse
}
if
pop pop
} forall
} bind def
% Make a modified font and define it. Note that unlike definefont,
% this does not leave the font on the operand stack.
/.definemodifiedfont % <fontdict> <paramdict> .definemodifiedfont -
{ .makemodifiedfont
dup /FontName get exch definefont pop
} bind def
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