%    Copyright (C) 1997, 1998, 1999, 2000 Aladdin Enterprises.  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_cff.ps,v 1.19 2005/07/18 05:51:57 ray Exp $% 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 4 string .peekstring pop (OTTO) eq {		% If this is a font at all, it's an OpenType CFF font set.    .loadottofontfile  } {		% Not a TrueType font.    .loadnonottofontfile  } ifelse} bind def % <file> .loadottofontfile -/.loadottofontfile {  /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	% Use a random FontSet resource name.  ****** WRONG ******  realtime rand xor =string cvs exch false  ReadData} bind def 30 dict begin % ---------------- Standard strings (actually names) ---------------- % /StandardStrings mark	% The initial StandardStrings that that denote characters are	% defined as a pseudo-Encoding.% 0  /CFFStandardStrings .findencoding aload pop% 379  (001.000)% 380  (001.001) (001.002) (001.003) /Black /Bold  /Book /Light /Medium /Regular /Roman  /Semibold.packtomark def % ---------------- Standard encodings ---------------- % /StandardEncodings [ % StandardEncodingmark  0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0  0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0  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 0  0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0  0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0  0 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110  0 111 112 113 114 0 115 116 117 118 119 120 121 122 0 123  0 124 125 126 127 128 129 130 131 0 132 133 0 134 135 136  137 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0  0 138 0 139 0 0 0 0 140 141 142 143 0 0 0 0  0 144 0 0 0 145 0 0 146 147 148 149 0 0 0 0.packtomark % ExpertEncodingmark  0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0  0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0  1 229 230 0 231 232 233 234 235 236 237 238 13 14 15 99  239 240 241 242 243 244 245 246 247 248 27 28 249 250 251 252  0 253 254 255 256 257 0 0 0 258 0 0 259 260 261 262  0 0 263 264 265 0 266 109 110 267 268 269 0 270 271 272  273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288  289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 0  0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0  0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0  0 304 305 306 0 0 307 308 309 310 311 0 312 0 0 313  0 0 314 315 0 0 316 317 318 0 0 0 158 155 163 319  320 321 322 323 324 325 0 0 326 150 164 169 327 328 329 330  331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346  347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362  363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378.packtomark ] readonly def % ---------------- Standard Charsets ---------------- % % We include an explicit 0 at the beginning of each charset. /StandardCharsets [ % ISOAdobemark  0  1 1 228 { } for.packtomark % Expertmark  0  1 229 230 231 232 233 234 235 236 237 238 13 14 15 99 239  240 241 242 243 244 245 246 247 248 27 28 249 250 251 252 253  254 255 256 257 258 259 260 261 262 263 264 265 266 109 110 267  268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283  284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299  300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315  316 317 318 158 155 163 319 320 321 322 323 324 325 326 150 164  169 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341  342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357  358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373  374 375 376 377 378.packtomark % ExpertSubsetmark  0  1 231 232 235 236 237 238 13 14 15 99 239 240 241 242 243  244 245 246 247 248 27 28 249 250 251 253 254 255 256 257 258  259 260 261 262 263 264 265 266 109 110 267 268 269 270 272 300  301 302 305 314 315 158 155 163 320 321 322 323 324 325 326 150  164 169 327 328 329 330 331 332 333 334 335 336 337 338 339 340  341 342 343 344 345 346.packtomark ] readonly def % ---------------- Font loading ---------------- % % ------ Utilities ------ % /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  } if} 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 == } if  } ifelse} bind def/card8		% - card8 <card8> /next loaddef/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 loaddef/Index {	% <name> Index <name> <array>  CFFDEBUG { (% reading Index: ) print dup = } if  mark card16 dup 0 ne {    1 exch next offsetproc dup exec pop exch {      dup exec dup 4 -1 roll sub 3 1 roll exch    } repeat pop  } if pop .packtomark  CFFDEBUG { (% Index lengths = ) print dup === } if  [ exch { nextstring } forall ] readonly} bind def/tokens {	% - tokens <num1> ... <op#> (op# = 12 means EOF)  {    f read not { 12 exit } if    CFFDEBUG { (..) print dup = } if    1 advance    dup 12 eq { pop next 32 add exit } if    dup 28 lt { exit } if    dup 32 lt {      28 sub {	{ card16 32768 xor 32768 sub }	{ 4 offset dup 16#7fffffff gt { -1 32 bitshift add } if }	{ tokenreal }	{ 31 exit }      } exch get exec    } {      dup 247 lt {	139 sub      } {	247 sub {	  { next 108 add }	  { next 364 add }	  { next 620 add }	  { next 876 add }	  { next 108 add neg }	  { next 364 add neg }	  { next 620 add neg }	  { next 876 add neg }	  % 255 is deliberately omitted and will cause a rangecheck	} exch get exec      } ifelse    } ifelse  } loop} bind def/tokenbuf 100 string def/tokenput {	% <index> <char> tokenput <index+1>  tokenbuf 2 index 3 -1 roll put 1 add} bind def/tokenrealarray [ (0123456789.E) { } forall [(E) 0 get /tokenput cvx (-) 0 get] cvx null		% will give an error (-) 0 get { exit }] readonly def/tokenreal {	% - tokenreal <float>  0 {    next exch 1 index -4 bitshift tokenrealarray exch get exec tokenput		% We must leave the byte on the stack temporarily so that		% the exit will see a consistent stack state.    1 index 15 and tokenrealarray exch get exec tokenput exch pop  } loop  tokenbuf 0 3 -1 roll getinterval cvr exch pop} bind def/Dict {		% <opsdict> Dict -  /opdict exch store {    mark tokens    CFFDEBUG { (tokens: ) print ] dup === mark exch aload pop } if    opdict exch .knownget { exec } if cleartomark  } loop cleartomark} bind def/idstring {	% <sid> idstring <string|name>  dup 391 lt { //StandardStrings } { 391 sub strings } ifelse exch get} bind def/idname {	% <sid> idname <name>  idstring dup type /nametype ne { cvn } if} bind def/subfilefilter {	% <file> <length> subfilefilter <filter>	% SubFileDecode interprets a length of 0 as infinite.  dup 0 le { pop pop () 0 } if () /SubFileDecode filter} bind def % ------ Top dictionary ------ % /offput {	% <offset> <proc> offput -  1 index 0 le  CFFDEBUG { dup { (not ) print } if (queued: ) print 2 index =only ( ) print 1 index === } if  { pop pop  }  { currentdict exch aload length 1 add packedarray cvx      offsets 3 1 roll put  }  ifelse} bind def/queueput {	% <font> <proc> queueput -  16#7fffffff offsets { pop .min } forall  pos sub nextstring  3 1 roll aload length 2 add packedarray cvx  [ queued aload pop counttomark 2 add -1 roll ]  /queued exch store} bind def/printvk {	% <value> <key> printvk <value> <key>  CFFDEBUG { (\t% ) print dup =only ( = ) print 1 index === } if} bind def/xxput {	% <value> <key> <dict> xxput -  3 1 roll exch put} bind def/putfi {	% <value> <key> putfi -  printvk FontInfo xxput} bind def/xdef {		% <value> <key> xdef -  exch def} bind def/pxdef {	% <value> <key> pxdef -  printvk xdef} bind def/topdictops mark  12 { CFFDEBUG { (\t% EOD) = } if exit }  0 { idstring /version putfi }  1 { idstring /Notice putfi }  32 { idstring /Copyright putfi }  2 { idstring /FullName putfi }  3 { idstring /FamilyName putfi }  4 { idstring /Weight putfi }  33 { 0 ne /isFixedPitch putfi }  34 { /ItalicAngle putfi }  35 { /UnderlinePosition putfi }  36 { /UnderlineThickness putfi }  37 { /PaintType pxdef }  38 { /FontType pxdef }		% actually CharstringType  39 { counttomark array astore /FontMatrix pxdef }  13 { /UniqueID pxdef }  5 { counttomark array astore /FontBBox pxdef }  40 { /StrokeWidth pxdef }  14 { counttomark array astore /XUID pxdef }  15 {    /charset printvk pop    dup StandardCharsets length lt {      StandardCharsets exch get /charset xdef    } {      { queuecharset } offput    } ifelse  }  16 {    /Encoding printvk pop    dup StandardEncodings length lt {      /Encoding xdef    } {      { queueEncoding } offput    } ifelse  }  17 { { readCharStrings } offput }  18 { exch /readPrivate cvx 2 packedarray offput }	% CIDFont operators  62 {		% ROS, must be first in a CIDFont    currentdict /FontType undef    currentdict /Encoding undef    currentdict /FontMatrix undef    /CIDFontVersion 0 def    /CIDFontRevision 0 def    /CIDFontType 0 def    /CIDCount 8720 def % Default value defined in CFF spec.    3 dict begin    /Supplement pxdef    idstring /Ordering pxdef    idstring /Registry pxdef    /CIDSystemInfo currentdict end def  }  63 { /CIDFontVersion pxdef }  64 { /CIDFontRevision pxdef }  65 { /CIDFontType pxdef }  66 { /CIDCount pxdef }  67 { /UIDBase pxdef }  68 { { readFDArray } offput }  69 { { readFDSelect } offput }	% This operator only appears in a FDArray element.	% We don't really need it, so ignore an error.  70 { { idstring } .internalstopped { pop pop } { /FontName pxdef } ifelse }.dicttomark readonly def % readcharset and readFDSelect may require the length of CharStringArray,% but these structures may occur in the file before the CharStrings.% If that happens, use a hack: assume that all the data up to the next% queued read should be read. /charstringcount {	% <font> charstringcount <count> true			% <font> charstringcount <length> false  /CharStringArray .knownget {    length true  } {	% Hack: look for the next queued read.    16#7fffffff offsets { pop .min } forall    pos sub false  } ifelse} bind def /readCharStrings {	% <font> readCharStrings -  /CharStringArray Index put} bind def % ------ Charsets and encodings ------ % % Note: formats 1 and 2 can overflow the operand stack.% We'll fix this if it ever becomes necessary./charsetcount {  charstringcount { 1 sub } { 2 idiv } ifelse} bind def/charsetformats [{ [ 0 3 -1 roll charsetcount { sid } repeat ]} bind{ [ 0 3 -1 roll charsetcount {    dup 0 eq { pop exit } if    sid card8 1 add 2 index .min { exch 1 sub 1 index 1 add } repeat pop  } loop ]} bind{ [ 0 3 -1 roll charsetcount {    dup 0 eq { pop exit } if    sid card16 1 add 2 index .min { exch 1 sub 1 index 1 add } repeat pop  } loop ]} bind] readonly def/queuecharset {		% <font> queuecharset -  { readcharset } queueput} bind def/readcharset {		% <data> <font> readcharset -  begin 0 () /SubFileDecode filter /f exch store  charsetformats next get currentdict exch exec /charset exch def end} bind def /encodingformats [{ 1 1 next { next exch Encoding 3 1 roll put } for} bind{ 1 next {    next next 1 add {			% Stack: gid code      Encoding 1 index 3 index put      exch 1 add exch 1 add    } repeat pop  } repeat pop} bind] readonly def/queueEncoding {	% <font> queueEncoding -  { readEncoding } queueput} bind def/readEncoding {		% <data> <font> readEncoding -  begin 0 () /SubFileDecode filter /f exch store  /Encoding [ 256 { /.notdef } repeat ] def  next encodingformats 1 index 127 and get exec  128 ge {			% Read supplementary encodings.    next {      Encoding next sid idname put    } repeat  } if end} bind def % ------ FDArray and FDSelect ------ % /readFDArray {		% <font> readFDArray -  /FDarray Index exch pop exch  2 dict begin /f null def begin  [ exch {    dup length subfilefilter /f exch store    10 dict begin    /FontType 2 def    /PaintType 0 def    /FontMatrix [0.001 0 0 0.001 0 0] def    /Private 20 dict def    //topdictops Dict currentdict end

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