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+% Copyright (C) 1989-2004 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.
+%
+% 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_init.ps 8054 2007-06-17 00:01:02Z alexcher $
+% Initialization file for the interpreter.
+% When this is run, systemdict is still writable.
+
+% Comment lines of the form
+% %% Replace <n> <file(s)>
+% indicate places where the next <n> lines should be replaced by
+% the contents of <file(s)>, when creating a single merged init file.
+
+% The interpreter can call out to PostScript code. All procedures
+% called in this way, and no other procedures defined in these
+% initialization files, have names that begin with %, e.g.,
+% (%Type1BuildChar) cvn.
+
+% Check the interpreter revision. NOTE: the interpreter code requires
+% that the first non-comment token in this file be an integer.
+860
+dup revision ne
+ { (gs: Interpreter revision \() print revision 10 string cvs print
+ (\) does not match gs_init.ps revision \() print 10 string cvs print
+ (\).\n) print flush //null 1 .quit
+ }
+if pop
+
+% Acquire userdict, and set its length if necessary.
+/userdict where
+ { pop userdict maxlength 0 eq }
+ { true }
+ifelse
+systemdict exch
+ { % userdict wasn't already set up by iinit.c.
+ dup /userdict
+ currentdict dup 200 .setmaxlength % userdict
+ .forceput % userdict is local, systemdict is global
+ }
+if begin
+
+% Define dummy local/global operators if needed.
+systemdict /.setglobal known
+ { true .setglobal
+ }
+ { /.setglobal { pop } bind def
+ /.currentglobal { false } bind def
+ /.gcheck { pop false } bind def
+ }
+ifelse
+
+% Define .languagelevel if needed.
+systemdict /.languagelevel known not { /.languagelevel 1 def } if
+
+% Optionally choose a default paper size other than U.S. letter.
+% The default page size for many devices is set at compile time to
+% letter, but this can be changed to A4 although this is rarely done.
+% Some devices such as bbox have a different default page size,
+% and should not be set to A4 or letter.
+% When ghostscript is used in countries that use the international
+% standard page size A4 rather than US letter, the page size of
+% devices that default to letter or A4 can be changed by setting
+% DEFAULTPAPERSIZE.
+% /DEFAULTPAPERSIZE (a4) def
+
+% Turn on array packing for the rest of initialization.
+true setpacking
+
+% Define the old MS-DOS EOF character as a no-op.
+% 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.
+<1a> cvn { } def
+
+% Acquire the debugging flags.
+currentdict /DEBUG known /DEBUG exch def
+
+% if DEBUG is set, set ALL of the subset debugging flags
+mark % '[' isn't defined yet
+ /CCFONTDEBUG % Compiled Fonts
+ /CFFDEBUG % CFF Fonts
+ /CMAPDEBUG % CMAP
+ /DOCIEDEBUG % CIE color
+ /EPSDEBUG % EPS handling
+ /FAPIDEBUG % Font API
+ /INITDEBUG % Initialization
+ /PDFDEBUG % PDF Interpreter
+ /PDFOPTDEBUG % PDF Optimizer (Linearizer)
+ /PDFWRDEBUG % PDF Writer
+ /SETPDDEBUG % setpagedevice
+ /TTFDEBUG % TTF Fonts
+ /VGIFDEBUG % ViewGIF
+ /VJPGDEBUG % ViewJPEG
+ /RESMPDEBUG % Resource map
+counttomark array astore exch pop % ']' isn't defined yet
+{ dup currentdict exch known DEBUG or def } forall
+
+currentdict /PDFSTEP known /PDFSTEP exch def
+% if PDFSTEP is on, turn on PDFDEBUG
+PDFSTEP { /PDFDEBUG true def } if
+
+ /VMDEBUG
+ INITDEBUG {{print mark
+ systemdict /level2dict known
+ { .currentglobal dup false .setglobal vmstatus
+ true .setglobal vmstatus 3 -1 roll pop
+ 6 -2 roll pop .setglobal
+ }
+ { vmstatus 3 -1 roll pop
+ }
+ ifelse usertime 16#fffff and counttomark
+ { ( ) print ( ) cvs print }
+ repeat pop
+ ( ) print systemdict length ( ) cvs print
+ ( ) print countdictstack ( ) cvs print
+ ( <) print count ( ) cvs print (>\n) print flush
+ }}
+ {{pop
+ }}
+ ifelse
+ def
+
+currentdict /BATCH known /BATCH exch def
+currentdict /DELAYBIND known /DELAYBIND exch def
+currentdict /DISKFONTS known /DISKFONTS exch def
+currentdict /DOINTERPOLATE .knownget { /INTERPOLATE exch def } if
+currentdict /ESTACKPRINT known /ESTACKPRINT exch def
+currentdict /FAKEFONTS known /FAKEFONTS exch def
+currentdict /FIXEDMEDIA known /FIXEDMEDIA exch def
+currentdict /FIXEDRESOLUTION known /FIXEDRESOLUTION exch def
+currentdict /LOCALFONTS known /LOCALFONTS exch def
+currentdict /JOBSERVER known /JOBSERVER exch def
+currentdict /NOBIND known /NOBIND exch def
+/.bind /bind load def
+NOBIND { /bind { } def } if
+currentdict /NOCACHE known /NOCACHE exch def
+currentdict /NOCCFONTS known /NOCCFONTS exch def
+currentdict /NOCIE known /NOCIE exch def
+currentdict /NOPSICC known /NOPSICC exch def
+currentdict /NODISPLAY known not /DISPLAYING exch def
+currentdict /NOFONTMAP known /NOFONTMAP exch def
+currentdict /NOFONTPATH known /NOFONTPATH exch def
+currentdict /NOGC known /NOGC exch def
+currentdict /NOINTERPOLATE .knownget { /INTERPOLATE exch not def } if
+currentdict /NOMEDIAATTRS known /NOMEDIAATTRS exch def
+currentdict /NOOUTERSAVE known /NOOUTERSAVE exch def
+currentdict /NOPAGEPROMPT known /NOPAGEPROMPT exch def
+currentdict /NOPAUSE known /NOPAUSE exch def
+currentdict /NOPLATFONTS known /NOPLATFONTS exch def
+currentdict /NOPROMPT known /NOPROMPT exch def
+currentdict /NOTRANSPARENCY known /NOTRANSPARENCY exch def
+currentdict /DOPS known /DOPS exch def
+currentdict /NOSUBSTDEVICECOLORS known /NOSUBSTDEVICECOLORS exch def
+% The default value of ORIENT1 is true, not false.
+currentdict /ORIENT1 known not { /ORIENT1 true def } if
+currentdict /OSTACKPRINT known /OSTACKPRINT exch def
+currentdict /OUTPUTFILE known % obsolete
+ { /OutputFile /OUTPUTFILE load def
+ currentdict /OUTPUTFILE .undef
+ } if
+currentdict /QUIET known /QUIET exch def
+% DELAYSAFER is effectively the same as newer NOSAFER
+currentdict /DELAYSAFER known { /DELAYSAFER true def /NOSAFER true def } if
+/SAFER currentdict /NOSAFER known {
+ false
+} {
+ currentdict /SAFER known
+ currentdict /PARANOIDSAFER known or % PARANOIDSAFER is equivalent
+}
+ifelse def
+currentdict /SHORTERRORS known /SHORTERRORS exch def
+currentdict /STRICT known /STRICT exch def
+currentdict /TTYPAUSE known /TTYPAUSE exch def
+currentdict /WRITESYSTEMDICT known /WRITESYSTEMDICT exch def
+
+% Acquire environment variables.
+currentdict /DEVICE known not
+ { (GS_DEVICE) getenv { /DEVICE exch def } if } if
+
+(START) VMDEBUG
+
+% Open the standard files, so they will be open at the outermost save level.
+(%stdin) (r) file pop
+(%stdout) (w) file pop
+(%stderr) (w) file pop
+
+/.currentuserparams where {
+ pop mark
+ % The Adobe implementations appear to have very large maximum
+ % stack sizes. This turns out to actually make a difference,
+ % since some badly-behaved files include extremely long procedures,
+ % or construct huge arrays on the operand stack.
+ % We reset the stack sizes now so that we don't have to worry
+ % about overflowing the (rather small) built-in stack sizes
+ % during initialization.
+ /MaxDictStack 500
+ /MaxExecStack 5000
+ /MaxOpStack 65414
+ .dicttomark .setuserparams
+} if
+
+% Define a procedure for skipping over an unneeded section of code.
+% This avoids allocating space for the skipped procedures.
+% We can't use readline, because that imposes a line length limit.
+/.skipeof % <string> .skipeof -
+ { currentfile exch 1 exch .subfiledecode flushfile
+ } .bind def
+
+% Define procedures to assist users who don't read the documentation.
+userdict begin
+/help
+ { (Enter PostScript commands. '(filename) run' runs a file, 'quit' exits.\n)
+ print flush
+ } .bind def
+end
+
+% Define =string, which is used by some PostScript programs even though
+% it isn't documented anywhere.
+% Put it in userdict so that each context can have its own copy.
+userdict /=string 256 string put
+
+% Print the greeting.
+
+/printgreeting
+ { mark
+ product (Ghostscript) search
+ { pop pop pop
+ (This software comes with NO WARRANTY: see the file PUBLIC for details.\n)
+ }
+ { pop
+ }
+ ifelse
+ (\n) copyright
+ (\)\n) revisiondate 10 mod revisiondate 10 idiv 10 mod (-)
+ revisiondate 100 idiv 10 mod revisiondate 1000 idiv 10 mod (-)
+ revisiondate 10000 idiv ( \()
+ revision 10 mod
+ revision 100 mod 10 idiv (.)
+ revision 100 idiv ( )
+ product
+ counttomark
+ { (%stdout) (w) file exch 0 .writecvp
+ } repeat pop
+ } .bind def
+
+QUIET not { printgreeting flush } if
+
+% Define a special version of def for making operator procedures.
+/obind { % <name> <proc> obind <name> <oper>
+ 1 index exch .makeoperator
+} .bind def
+/odef { % <name> <proc> odef -
+ 1 index exch .makeoperator def
+} .bind def
+
+% Define a special version of def for storing local objects into global
+% dictionaries. Like .forceput, this exists only during initialization.
+/.forcedef { % <key> <value> .forcedef -
+ 1 .argindex pop % check # of args
+ currentdict 3 1 roll .forceput
+} .bind odef
+
+% Define procedures for accessing variables in systemdict and userdict
+% regardless of the contents of the dictionary stack.
+/.systemvar { % <name> .systemvar <value>
+ //systemdict exch get
+} .bind odef
+/.userdict { % - .userdict <dict>
+ /userdict .systemvar
+} .bind odef
+/.uservar { % <name> .uservar <value>
+ .userdict exch get
+} .bind odef
+
+% If we're delaying binding, remember everything that needs to be bound later.
+DELAYBIND NOBIND not and
+ { .currentglobal false .setglobal
+ systemdict /.delaybind 1500 array .forceput
+ .setglobal
+ userdict /.delaycount 0 put
+ % When we've done the delayed bind, we want to stop saving.
+ % Detect this by the disappearance of .delaybind.
+ /bind
+ { /.delaybind .systemvar dup length 0 ne
+ { .delaycount 2 index put
+ .userdict /.delaycount .delaycount 1 add put
+ }
+ { pop /.bind cvx exec
+ }
+ ifelse
+ } .bind def
+ } if
+
+%**************** BACKWARD COMPATIBILITY ****************
+/hwsizedict mark /HWSize //null .dicttomark readonly def
+/copyscanlines { % <device> <y> <string> copyscanlines <substr>
+ 0 3 1 roll 3 index //hwsizedict .getdeviceparams
+ exch pop exch pop aload pop 3 2 roll
+ 0 exch //null exch .getbitsrect exch pop
+} bind odef
+currentdict /hwsizedict .undef
+/getdeviceprops
+ { //null .getdeviceparams
+ } bind odef
+/.putdeviceprops
+ { //null true counttomark 1 add 3 roll .putdeviceparams
+ dup type /booleantype ne
+ { dup mark eq { /unknown /rangecheck } if
+ counttomark 4 add 1 roll cleartomark pop pop pop
+ /.putdeviceprops .systemvar exch signalerror
+ }
+ if
+ } bind odef
+/.currentfilladjust { .currentfilladjust2 pop } bind odef
+/.setfilladjust { dup .setfilladjust2 } bind odef
+/.writecvs { 0 .writecvp } bind odef
+%**************** DEPRECATED PROCEDURES ****************
+%**************** DO NOT USE THESE IN NEW CODE ****************
+/max { .max } bind def % use .max instead
+/min { .min } bind def % use .min instead
+/unread /.unread load def % use .peekstring instead
+%**************** END OF BACKWARD COMPATIBILITY SECTION ****************
+
+% Utility for removing all entries from a dictionary
+/.PurgeDict % <dict> .PurgeDict -
+{ { true
+ 1 index { pop exch pop false exit
+ } forall
+ { exit
+ } if
+ 1 index exch undef
+ } loop
+ pop
+} bind def
+
+% Define predefined procedures substituting for operators,
+% in alphabetical order.
+
+userdict /#copies 1 put
+% Adobe implementations don't accept /[ or /], so we don't either.
+([) cvn
+ /mark load def
+(]) cvn
+ {counttomark array astore exch pop} odef
+% .beginpage is redefined if setpagedevice is present.
+/.beginpage { } odef
+% In LanguageLevel 3, copypage erases the page.
+/copypage {
+ .languagelevel 3 ge
+ dup { 0 } { 1 } ifelse .endpage .doneshowpage {
+ .currentnumcopies 1 index .outputpage
+ (>>copypage, press <return> to continue<<\n) .confirm
+ dup { erasepage } if
+ } if pop
+ systemdict /..page_default_spaces .knownget { //.PurgeDict exec } if
+ .beginpage
+} odef
+/currentmatrix {
+ dup type /arraytype ne
+ { /currentmatrix load /typecheck signalerror } if
+ dup length 6 ne
+ { /currentmatrix load /rangecheck signalerror } if
+ .currentmatrix 6 .argindex astore pop
+} odef
+% .currentnumcopies is redefined in Level 2.
+/.currentnumcopies { #copies } odef
+/setcolorscreen where { pop % not in all Level 1 configurations
+ /currentcolorscreen
+ { .currenthalftone
+ { { 60.0 exch 0.0 exch 3 copy 6 copy } % halftone - not possible
+ { 3 copy 6 copy } % screen
+ { } % colorscreen
+ }
+ exch get exec
+ } odef
+} if
+/currentscreen
+ { .currenthalftone
+ { { 60.0 exch 0.0 exch } % halftone - not possible
+ { } % screen
+ { 12 3 roll 9 { pop } repeat } % colorscreen
+ }
+ exch get exec
+ } odef
+/.echo /echo load def
+userdict /.echo.mode true put
+/echo {dup /.echo.mode exch store .echo} odef
+/.eexec_param_dict mark
+ /eexec true
+ /seed 55665
+.dicttomark readonly def
+/eexec {
+ % Rebind .currentresourcefile if it is the source for the eexec.
+ dup //.eexec_param_dict //filterdict /eexecDecode get exec
+ cvx exch .currentresourcefile eq
+ //systemdict begin { {exec} .execasresource } { exec } ifelse
+ % Only pop systemdict if it is still the top element,
+ % because this is apparently what Adobe interpreters do.
+ currentdict //systemdict eq { end } if
+} odef
+% .endpage is redefined if setpagedevice is present.
+/.endpage { 2 ne } odef
+% erasepage mustn't use gsave/grestore, because we call it before
+% the graphics state stack has been fully initialized.
+/erasepage
+ { /currentcolor where
+ { pop currentcolor currentcolorspace { setcolorspace setcolor } }
+ { /currentcmykcolor where
+ { pop currentcmykcolor { setcmykcolor } }
+ { currentrgbcolor { setrgbcolor } }
+ ifelse
+ }
+ ifelse
+ currentoverprint false setoverprint 1 setgray .fillpage setoverprint
+ exec
+ } odef
+% To satisfy the Genoa FTS, executive must be a procedure, not an operator.
+/executive
+ { { prompt
+ { (%statementedit) (r) .systemvmfile } stopped
+ { pop pop $error /errorname get /undefinedfilename eq
+ { .clearerror exit } if % EOF
+ /handleerror .systemvar exec //null % ioerror??
+ }
+ if
+ cvx { .runexec } execute
+ } loop
+ } bind def
+/filter
+ { //filterdict 1 .argindex .knownget
+ { exch pop exec }
+ { /filter .systemvar /undefined signalerror }
+ ifelse
+ } odef
+% handleerror procedure as mentioned in the "Operators" section of the PLRM Section 8.2
+% This invokes the handleerror procedure from errordict (unless we are running under a
+% JOBSERVER where we want to always use a defined error handler (many error handlers in
+% 'wild' PostScript files are broken and don't indicate the error in any useful fashion).
+%
+% We run the handleerror procedure using .internalstopped so that broken error handlers
+% won't cause nested errors (Unexpected Error conditions).
+/handleerror
+ JOBSERVER {
+ { /.GShandleerror .systemvar .internalstopped pop } bind % always use .GShandleerror.
+ } {
+ { /errordict .systemvar /handleerror get .internalstopped pop } bind % PLRM standard errorhandling
+ } ifelse def
+/identmatrix [1.0 0.0 0.0 1.0 0.0 0.0] readonly def
+/identmatrix {
+ dup type /arraytype ne { /identmatrix load /typecheck signalerror } if
+ dup length 6 ne { /identmatrix load /rangecheck signalerror } if
+ dup 0 //identmatrix putinterval
+} odef
+/languagelevel 1 def % gs_lev2.ps may change this
+/makeimagedevice { false makewordimagedevice } odef
+/matrix { 6 array identmatrix } odef
+% .promptmsg is redefined if the interpreter includes readline support.
+/.promptmsg {
+ (GS) print
+ count 0 ne { (<) print count =only } if
+ (>) print flush
+} bind def
+/prompt { flush flushpage NOPROMPT not { .promptmsg } if } bind def
+/pstack { 0 1 count 3 sub { index == } for } bind def
+/putdeviceprops
+ { .putdeviceprops { erasepage } if } odef
+/quit { /quit load 0 .quit } odef
+/run { dup type /filetype ne { (r) .systemvmfile } if
+ % We must close the file when execution terminates,
+ % regardless of the state of the stack,
+ % and then propagate an error, if any.
+ cvx null {.runexec} .errorexec
+ } odef
+% Execute a file.
+% Level 2 uses 2 .stop to clear the e-stack for a successful startjob:
+% we detect that here, since we need to handle this even if we start out
+% without job control in effect.
+%
+% What we push on the e-stack is the following to be executed in this order:
+% <lit-file|fileproc> .runexec1 <lit-file|fileproc> .runexec2
+/.runexec1 { % <file|fileproc> .runexec1 -
+ dup type /filetype ne { cvx exec } if
+ cvx //null 2 .stopped
+ % If we got back here from a startjob, just keep going.
+ % startjob replaces the null on the o-stack with a procedure
+ % to be executed when we get back here.
+ dup //null ne { exec true } { pop false } ifelse
+} bind def
+/.runexec2 { % <continue> <file|fileproc> .runexec2 -
+ exch {
+ .runexec
+ } {
+ dup type /filetype ne { cvx exec } if
+ closefile
+ } ifelse
+} bind def
+/.runexec { % <file|fileproc> .runexec -
+ cvlit /.runexec1 cvx 1 index /.runexec2 cvx 4 .execn
+} bind def
+% The following is only for compatibility with Adobe interpreters.
+/setdash {
+ 0 .argindex type dup /integertype eq exch /realtype eq or not {
+ /setdash .systemvar /typecheck signalerror
+ } if
+ 1 .argindex length 11 gt { /setdash .systemvar /limitcheck signalerror } if
+ //setdash
+} odef
+/setdevice
+ {
+ .setdevice
+ {
+ mark
+ { % Reset the halftone since the device may differ
+ currenthalftone
+ dup type /dicttype eq
+ { sethalftone }
+ { pop }
+ ifelse
+ }
+ stopped
+ cleartomark
+ erasepage
+ }
+ if
+ }
+odef
+/setlinecap {
+ dup 2 gt { /setlinecap .systemvar /rangecheck signalerror } if
+ .setlinecap
+} odef
+/setlinejoin {
+ dup 2 gt { /setlinejoin .systemvar /rangecheck signalerror } if
+ .setlinejoin
+} odef
+/setmatrix {
+ dup type /arraytype ne {
+ dup type /packedarraytype ne {
+ /setmatrix load /typecheck signalerror
+ } if
+ } if
+ dup length 6 ne { /setmatrix load /rangecheck signalerror } if
+ dup aload pop .setmatrix pop
+} odef
+/showpage {
+ 0 .endpage .doneshowpage {
+ .currentnumcopies true .outputpage
+ (>>showpage, press <return> to continue<<\n) .confirm
+ initgraphics
+ currentoverprint false setoverprint 1 setcolor
+ .fillpage
+ setoverprint 0 setcolor
+ }
+ { initgraphics } ifelse
+ systemdict /..page_default_spaces .knownget { //.PurgeDict exec } if
+ .beginpage
+} odef
+% Code output by Adobe Illustrator relies on the fact that
+% `stack' is a procedure, not an operator!!!
+/stack { 0 1 count 3 sub { index = } for } bind def
+/start { BATCH { //null 0 .quit } { executive } ifelse } def
+% Internal uses of stopped that aren't going to do a stop if an error occurs
+% should use .internalstopped to avoid setting newerror et al.
+/.internalstopped { //null 1 .stopped //null ne } bind def
+/store { % Don't alter operands before completing.
+ 1 .argindex where { 2 index 2 index put pop pop } { def } ifelse
+} odef
+/.typenames mark .typenames counttomark packedarray exch pop def
+/type {
+ //.typenames .type
+} odef
+currentdict /.typenames .undef
+% When running in Level 1 mode, this interpreter is supposed to be
+% compatible with PostScript "version" 54.0 (I think).
+/version (54.0) readonly def
+/.wheredict 10 dict def
+/.where /where load def
+/where {
+ //.wheredict 1 .argindex .knownget { exec } { .where } ifelse
+} odef
+
+% internaldict is defined in systemdict, but the dictionary is allocated
+% in local VM. However, the procedure must be global, since it is an
+% "operator" and must be bind-able into global procedures.
+% We make a procedure for creating it, since we must create a new one
+% for each context with private local VM.
+/.makeinternaldict {
+ .currentglobal true .setglobal
+ [ /dup .systemvar 1183615869 /eq .systemvar
+ [ /pop .systemvar //null ] cvx
+ false .setglobal
+ dup 1 10 dict .forceput % proc is global, dict is local
+ true .setglobal
+ [ /internaldict /cvx .systemvar /invalidaccess /signalerror cvx ] cvx
+ /ifelse .systemvar
+ ] cvx executeonly
+ exch .setglobal
+} odef
+systemdict /internaldict dup .makeinternaldict .makeoperator
+.forceput % proc is local, systemdict is global
+
+% Define some additional built-in procedures (beyond the ones defined by
+% the PostScript Language Reference Manual).
+% Warning: these are not guaranteed to stay the same from one release
+% to the next!
+/concatstrings % (str1) (str2) concatstrings (str1str2)
+ { exch dup length 2 index length add string % str2 str1 new
+ dup dup 4 2 roll copy % str2 new new new1
+ length 4 -1 roll putinterval
+ } bind def
+/copyarray
+ { dup length array copy } bind def
+% Copy a dictionary per the Level 2 spec even in Level 1.
+/.copydict % <fromdict> <todict> .copydict <todict>
+ { dup 3 -1 roll { put dup } forall pop } bind def
+/copystring
+ { dup length string copy } bind def
+/findlibfile {
+ .systemvmlibfile { dup .filename pop exch true } { false } ifelse
+} odef
+/.growdictlength % get size for growing a dictionary
+ { length 3 mul 2 idiv 1 add
+ } bind def
+/.growdict % grow a dictionary
+ { dup .growdictlength .setmaxlength
+ } bind def
+/.growput % put, grow the dictionary if needed
+ { 2 index length 3 index maxlength eq
+ { 3 copy pop known not { 2 index .growdict } if
+ } if
+ put
+ } bind def
+% .localvmarray may be an operator: see zsysvm.c.
+/.localvmarray where {
+ pop
+} {
+ /.localvmarray {
+ .currentglobal false .setglobal
+ exch array exch .setglobal
+ } bind def
+} ifelse
+/.localvmdict where {
+ pop
+} {
+ /.localvmdict {
+ .currentglobal false .setglobal
+ exch dict exch .setglobal
+ } bind def
+} ifelse
+/.packtomark
+ { counttomark packedarray exch pop } bind def
+/ppstack
+ { 0 1 count 3 sub { index === } for } bind def
+/runlibfile
+ { % We don't want to bind 'run' into this procedure,
+ % since run may get redefined.
+ findlibfile
+ { exch pop /run .systemvar exec }
+ { /undefinedfilename signalerror }
+ ifelse
+ } bind def
+/selectdevice
+ { finddevice setdevice .setdefaultscreen } bind def
+/signalerror % <object> <errorname> signalerror -
+ { /errordict .systemvar exch get exec } bind def
+/signaloperror { % <object> <errorname> signaloperror -
+ % Same as signalerror, except that if we are inside a pseudo-operator
+ % or .errorexec, we use its error object, just as errors generated by
+ % real operators do.
+ /errordict .systemvar exch get
+ .finderrorobject { 3 -1 roll pop exch } if
+ exec
+} bind def
+
+% Define the =[only] procedures. Also define =print,
+% which is used by some PostScript programs even though
+% it isn't documented anywhere.
+/write=only {
+ .writecvs
+} bind def
+/write= {
+ 1 index exch write=only (\n) writestring
+} bind def
+/=only { (%stdout) (w) file exch write=only } bind def
+/= { =only (\n) print } bind def
+/=print /=only load def
+% Temporarily define == as = for the sake of runlibfile0.
+/== /= load def
+
+% The following procedures are documented.
+/copydevice { % <device> copydevice <newdevice>
+ false .copydevice2
+} odef
+/finddevice { % <devicename> finddevice <device>
+ /devicedict .systemvar exch get
+ dup 1 get //null eq {
+ % This is the first request for this type of device.
+ % Create a default instance now.
+ % Stack: [proto null]
+ .currentglobal true .setglobal exch
+ dup dup 0 get copydevice 1 exch put
+ exch .setglobal
+ } if 1 get
+} bind def
+/findprotodevice { % <devicename> findprotodevice <protodevice>
+ /devicedict .systemvar exch get 0 get
+} bind def
+
+% Run a resource file. This allows us to distinguish resource objects
+% from objects coming from input files.
+userdict /.currentresourcefile //null put
+/.execasresource { % <file> <proc|runfile> .execasresource -
+ /stopped .systemvar
+ /.currentresourcefile .uservar
+ % Stack: file proc -stopped- currfile
+ .userdict /.currentresourcefile 5 index cvlit put
+ 2 .execn % stopped <file>
+ .userdict /.currentresourcefile 3 -1 roll put
+ { stop } if
+} bind def
+/.runresource { % <file> .runresource -
+ { /run .systemvar exec } .execasresource
+} bind def
+
+% Define procedures for getting and setting the current device resolution.
+
+/gsgetdeviceprop % <device> <propname> gsgetdeviceprop <value>
+ { 2 copy mark exch //null .dicttomark .getdeviceparams
+ dup mark eq % if true, not found
+ { pop dup /undefined signalerror }
+ { 5 1 roll pop pop pop pop }
+ ifelse
+ } bind def
+/gscurrentresolution % - gscurrentresolution <[xres yres]>
+ { currentdevice /HWResolution gsgetdeviceprop
+ } bind def
+/gssetresolution % <[xres yres]> gssetresolution -
+ { 2 array astore mark exch /HWResolution exch
+ currentdevice copydevice putdeviceprops setdevice
+ } bind def
+
+% Define auxiliary procedures needed for the above.
+/shellarguments % -> shell_arguments true (or) false
+ { /ARGUMENTS where
+ { /ARGUMENTS get dup type /arraytype eq
+ { aload pop /ARGUMENTS //null store true }
+ { pop false }
+ ifelse }
+ { false } ifelse
+ } bind def
+/.confirm {
+ DISPLAYING NOPAUSE not TTYPAUSE or and {
+ % Print a message (unless NOPAGEPROMPT or NOPROMPT is true)
+ % and wait for the user to type something.
+ % If the user just types a newline, flush it.
+ NOPAGEPROMPT NOPROMPT or { pop } { print flush } ifelse
+ .confirmread
+ } {
+ pop
+ } ifelse
+} bind def
+/.confirmread {
+ TTYPAUSE {
+ (/dev/tty) (r) file dup read pop pop closefile
+ } {
+ .echo.mode false echo
+ (%stdin) (r) file dup read {
+ dup (\n) 0 get eq { pop pop } { unread } ifelse
+ } {
+ pop
+ } ifelse echo
+ } ifelse
+} bind def
+
+% Define the procedure used by .runfile, .runstdin and .runstring
+% for executing user input.
+% This is called with a procedure or executable file on the operand stack.
+/.execute { % <obj> .execute <stopped>
+ stopped $error /newerror get and
+ { /handleerror .systemvar exec flush true } { false } ifelse
+} bind def
+/execute { % <obj> execute -
+ .execute pop
+} odef
+% Define an execute analogue of runlibfile0.
+/execute0 { % <obj> execute0 -
+ .execute { /execute0 cvx 1 .quit } if
+} bind def
+% Define the procedure that the C code uses for running files
+% named on the command line.
+/.runfile {
+ { runlibfile } execute0
+} def
+% Define the procedure that the C code uses for running piped input.
+% We don't use the obvious { (%stdin) run }, because we want the file to be
+% reopened if a startjob does a restore.
+/.runstdin {
+ { { (%stdin) (r) file cvx } .runexec } execute0
+} bind def
+% Define the procedure that the C code uses for running commands
+% given on the command line with -c. We turn the string into a file so that
+% .runexec can do the right thing with a startjob.
+/.runstring {
+ 0 0 .systemvmstring .systemvmSFD cvx { .runexec } execute0
+} bind def
+% Define the procedure that the C code uses to set up for executing
+% a string that may be received in pieces.
+/.runstringbegin {
+ 1 .systemvmarray dup 0 /.needinput load put cvx % { .needinput } in systemvm
+ 0 0 .systemvmstring .systemvmSFD cvx .runexec
+} bind def
+
+% Define a special version of runlibfile that aborts on errors.
+/runlibfile0
+ { cvlit dup dup /.currentfilename exch def
+ { findlibfile not { stop } if }
+ stopped
+ { (Can't find \(or open\) initialization file ) print
+ .currentfilename == flush /runlibfile0 cvx 1 .quit
+ } if
+ exch pop cvx
+ { stopped } 0 get 3 -1 roll 2 array astore cvx exec
+ /.currentfilename exch store
+ { (While reading ) print .currentfilename print (:\n) print flush
+ /handleerror .systemvar exec /runlibfile0 1 .quit
+ } if
+ } bind def
+% Temporarily substitute it for the real runlibfile.
+/.runlibfile /runlibfile load def
+/runlibfile /runlibfile0 load def
+
+% Create the error handling machinery.
+% Define the standard error handlers.
+% The interpreter has created the ErrorNames array.
+/.unstoppederrorhandler % <command> <errorname> .unstoppederrorhandler -
+ { % This is the handler that gets used for recursive errors,
+ % or errors outside the scope of a 'stopped'.
+ 2 copy SHORTERRORS
+ { (%%[ Error: ) print =only flush
+ (; OffendingCommand: ) print =only ( ]%%) =
+ }
+ { (Unrecoverable error: ) print =only flush
+ ( in ) print = flush
+ count 2 gt
+ { (Operand stack:\n ) print
+ count 1 sub -1 2 { ( ) print index =only flush } for
+ () = flush
+ } if
+ }
+ ifelse
+ -1 0 1 //ErrorNames length 1 sub
+ { dup //ErrorNames exch get 3 index eq
+ { not exch pop exit } { pop } ifelse
+ }
+ for exch pop .quit
+ } bind def
+/.errorhandler % <command> <errorname> .errorhandler -
+ { % Detect an internal 'stopped'.
+ 1 .instopped { //null eq { pop pop stop } if } if
+ (I) false .setdebug
+ $error /.inerror get 1 .instopped { pop } { pop true } ifelse
+ { .unstoppederrorhandler
+ } if % detect error recursion
+ $error /globalmode .currentglobal false .setglobal put
+ $error /.inerror true put
+ $error /newerror true put
+ $error exch /errorname exch put
+ $error exch /command exch put
+ $error /errorinfo known not { $error /errorinfo //null put } if
+ $error /recordstacks get $error /errorname get /VMerror ne and
+ { % Attempt to store the stack contents atomically.
+ count array astore dup $error /ostack 4 -1 roll
+ % Grab the execstack, then remove to two elements that are from
+ % this error handler (not interesting).
+ countexecstack array execstack dup length 2 sub 0 exch getinterval
+ $error /estack 3 -1 roll
+ countdictstack array dictstack $error /dstack 3 -1 roll
+ put put put aload pop
+ }
+ { $error /dstack .undef
+ $error /estack .undef
+ $error /ostack .undef
+ }
+ ifelse
+ $error /position currentfile status
+ { currentfile { fileposition } .internalstopped { pop //null } if
+ }
+ { % If this was a scanner error, the file is no longer current,
+ % but the command holds the file, which may still be open.
+ $error /command get dup type /filetype eq
+ { { fileposition } .internalstopped { pop //null } if }
+ { pop //null }
+ ifelse
+ }
+ ifelse put
+ % During initialization, we don't reset the allocation
+ % mode on errors.
+ $error /globalmode get $error /.nosetlocal get and .setglobal
+ $error /.inerror false put
+ stop
+ } bind def
+% Define the standard handleerror. We break out the printing procedure
+% (.printerror) so that it can be extended for binary output
+% if the Level 2 facilities are present.
+ /.printerror
+ { $error begin newerror
+ {
+ /command load errorname SHORTERRORS
+ { (%%[ Error: ) print =only flush
+ (; OffendingCommand: ) print =only
+ errorinfo dup //null eq {
+ pop
+ } {
+ (;\nErrorInfo:) print
+ dup type /arraytype eq
+ { { ( ) print =only } forall }
+ { ( ) print =only }
+ ifelse
+ } ifelse
+ ( ]%%) = flush
+ }
+ { (Error: ) print ==only flush
+ ( in ) print ==only flush
+ errorinfo dup //null eq {
+ pop
+ } {
+ (\nAdditional information: ) print ==only flush
+ } ifelse
+ .printerror_long
+ }
+ ifelse
+ .clearerror flush
+ }
+ { % newerror is false, test to see if user has set handleerror to a different
+ % routine, if so execute it, otherwise, just return. This code deals with the
+ % Genoa issue of setting /handleerror, and then calling it, without an error
+ % being set. We were erroring in this case, due to /command load failing.
+
+ //JOBSERVER {
+ /errordict .systemvar /handleerror get /.GShandleerror .systemvar ne
+ } {
+ false
+ } ifelse
+ { /errordict .systemvar begin /handleerror load .internalstopped pop end
+ }
+ if
+ }
+ ifelse % newerror
+ end
+ flush
+ } bind def
+ /.printerror_long % long error printout,
+ % $error is on the dict stack
+ { % Push the (anonymous) stack printing procedure.
+ % <heading> <==flag> <override-name> <stackname> proc
+ {
+ currentdict exch .knownget % stackname defined in $error?
+ {
+ 4 1 roll % stack: <stack> <head> <==flag> <over>
+ /errordict .systemvar exch .knownget % overridename defined?
+ {
+ exch pop exch pop exec % call override with <stack>
+ }
+ {
+ exch print exch % print heading. stack <==flag> <stack>
+ 1 index not { () = } if
+ { 1 index { (\n ) } { ( ) } ifelse print
+ dup type /dicttype eq
+ {
+ (--dict:) print
+ dup rcheck {
+ dup length =only (/) print dup maxlength =only
+ dup wcheck not { ((ro)) print } if
+ } if
+ /gcheck where {
+ pop gcheck { ((G)) } { ((L)) } ifelse print
+ } {
+ pop
+ } ifelse (--) print
+ }
+ {
+ dup type /stringtype eq 2 index or
+ { ==only } { =only } ifelse
+ } ifelse
+ } forall
+ pop
+ }
+ ifelse % overridden
+ }
+ { pop pop pop
+ }
+ ifelse % stack known
+ }
+
+ (\nOperand stack:) OSTACKPRINT /.printostack /ostack 4 index exec
+ (\nExecution stack:) ESTACKPRINT /.printestack /estack 4 index exec
+ (\nBacktrace:) true /.printbacktrace /backtrace 4 index exec
+ (\nDictionary stack:) false /.printdstack /dstack 4 index exec
+ () =
+ pop % printing procedure
+
+ errorname /VMerror eq
+ { (VM status:) print mark vmstatus
+ counttomark { ( ) print counttomark -1 roll dup =only } repeat
+ cleartomark () =
+ } if
+
+ .languagelevel 2 ge
+ { (Current allocation mode is ) print
+ globalmode { (global\n) } { (local\n) } ifelse print
+ } if
+
+ .oserrno dup 0 ne
+ { (Last OS error: ) print
+ errorname /VMerror ne
+ { dup .oserrorstring { = pop } { = } ifelse }
+ { = }
+ ifelse
+ }
+ { pop
+ }
+ ifelse
+
+ position //null ne
+ { (Current file position is ) print position = }
+ if
+
+ } bind def
+% Define a procedure for clearing the error indication.
+/.clearerror
+ { $error /newerror false put
+ $error /errorname //null put
+ $error /errorinfo //null put
+ 0 .setoserrno
+ } bind def
+
+% Define $error. This must be in local VM.
+.currentglobal false .setglobal
+/$error 40 dict .forcedef % $error is local, systemdict is global
+ % newerror, errorname, command, errorinfo,
+ % ostack, estack, dstack, recordstacks,
+ % binary, globalmode,
+ % .inerror, .nosetlocal, position,
+ % plus extra space for badly designed error handers.
+$error begin
+ /newerror false def
+ /recordstacks true def
+ /binary false def
+ /globalmode .currentglobal def
+ /.inerror false def
+ /.nosetlocal true def
+ /position //null def
+ /errorinfo //null def
+end
+% Define errordict similarly. It has one entry per error name,
+% plus handleerror. However, some astonishingly badly written PostScript
+% files require it to have at least one empty slot.
+/errordict ErrorNames length 3 add dict
+.forcedef % errordict is local, systemdict is global
+.setglobal % back to global VM
+% For greater Adobe compatibility, we put all non-standard errors in a
+% separate dictionary, gserrordict. It does not need to be in local VM,
+% because PostScript programs do not access it.
+% NOTE: the name gserrordict is known to the interpreter.
+/gserrordict 5 dict def
+% Register an error in errordict. We make this a procedure because we only
+% register the Level 1 errors here: the rest are registered by "feature"
+% files. However, ErrorNames contains all of the error names regardless of
+% what features are included, so we have to "know" that VMerror is the last
+% Level 1 error.
+/.registererror % <name> .registererror -
+ { errordict exch .registererror2
+ } bind def
+/.registererror2 % <dict> <name> .registererror -
+ { .currentglobal true .setglobal % create procs in global VM
+ 3 1 roll
+ mark 1 index systemdict /.errorhandler get /exec load .packtomark cvx put
+ .setglobal
+ } bind def
+ErrorNames
+ { dup .registererror /VMerror eq {exit} if
+ } forall
+errordict begin
+% The handlers for interrupt and timeout are special; there is no
+% 'current object', so they push their own name.
+ { /interrupt /timeout }
+ { mark 1 index dup systemdict /.errorhandler get /exec load .packtomark cvx def
+ } forall
+/handleerror % this key is 'well known' and some PS may redefine it
+ { /.printerror .systemvar exec
+ } bind def
+end % errordict
+
+% Put non-standard errors in gserrordict.
+gserrordict /unknownerror errordict /unknownerror get put
+errordict /unknownerror .undef
+% Define a stable private copy of handleerror that we will always use under
+% JOBSERVER mode.
+/.GShandleerror errordict /handleerror get def
+
+% Define the [write]==[only] procedures.
+/.dict 8 dict dup
+begin def
+ /.cvp {1 index exch 1 .writecvp} bind def
+ /.p {1 index exch writestring} bind def
+ /.p1 {2 index exch writestring} bind def
+ /.p2 {3 index exch writestring} bind def
+ /.print
+ { dup type .dict exch .knownget { exec } { .cvp } ifelse
+ } bind def
+ /arraytype
+ {dup rcheck
+ {() exch dup xcheck
+ {({) .p2
+ {exch .p1
+ 1 index exch .print pop ( )} forall
+ (})}
+ {([) .p2
+ {exch .p1
+ 1 index exch .print pop ( )} forall
+ (])}
+ ifelse exch pop .p}
+ {.cvp}
+ ifelse} bind def
+ /packedarraytype /arraytype load def
+{//.dict begin .print pop end}
+ bind
+end
+
+/write==only exch def
+/write== {1 index exch write==only (\n) writestring} bind def
+/==only { (%stdout) (w) file exch write==only } bind def
+/== {==only (\n) print} bind def
+
+% Define [write]===[only], an extension that prints dictionaries
+% in readable form and doesn't truncate strings.
+/.dict /write==only load 0 get dup length 2 add dict .copydict dup
+begin def
+ /dicttype
+ { dup rcheck
+ { (<< ) .p1
+ { 2 index 3 -1 roll .print pop ( ) .p1
+ 1 index exch .print pop ( ) .p
+ }
+ forall (>>) .p
+ }
+ { .cvp
+ }
+ ifelse
+ } bind def
+ /stringtype
+ { 1 index exch 2 .writecvp
+ } bind def
+
+{//.dict begin .print pop end}
+ bind
+end
+
+/write===only exch def
+/write=== {1 index exch write===only (\n) writestring} bind def
+/===only { (%stdout) (w) file exch write===only } bind def
+/=== { ===only (\n) print } bind def
+
+% Create the initialization queue.
+
+/.delayed_init_queue 10 dict def
+
+/.schedule_init % <priority> <proc> .schedule_init -
+{
+ //.delayed_init_queue 2 index known {
+ (.delayed_init_queue priority conflict with ) print 1 index =
+ /.schedule_init cvx /configurationerror signalerror
+ } if
+ //.delayed_init_queue 3 1 roll .growput
+} bind def
+
+/.execute_scheduled_inits % - .execute_scheduled_inits -
+{
+ { 0 //null //.delayed_init_queue { % maxp {} p {}
+ 3 index 2 index lt {
+ 4 2 roll
+ } if
+ pop pop
+ } forall
+ exch //.delayed_init_queue exch undef
+ dup //null eq {
+ pop exit
+ } if
+ exec
+ } loop
+} bind def
+
+(END PROCS) VMDEBUG
+
+% Define the font directory.
+/FontDirectory false .setglobal 100 dict true .setglobal
+.forcedef % FontDirectory is local, systemdict is global
+
+% Define the encoding dictionary.
+/EncodingDirectory 16 dict def % enough for Level 2 + PDF standard encodings
+
+% Define .findencoding. (This is redefined in Level 2.)
+/.findencoding
+ { //EncodingDirectory exch get exec
+ } bind def
+/.defineencoding
+ { //EncodingDirectory 3 1 roll put
+ } bind def
+% If we've got the composite font extensions, define findencoding.
+% To satisfy the Genoa FTS, findencoding must be a procedure, not an operator.
+/rootfont where { pop /findencoding { .findencoding } def } if
+
+% Define .registerencoding.
+% NOTE: This procedure no longer does anything, but it must continue to
+% exist for the sake of toolbin/encs2c.ps.
+/.registerencoding { % <index> <array> .registerencoding -
+ pop pop
+} bind odef
+
+% Load StandardEncoding.
+%% Replace 1 (gs_std_e.ps)
+(gs_std_e.ps) dup runlibfile VMDEBUG
+
+% Load ISOLatin1Encoding.
+%% Replace 1 (gs_il1_e.ps)
+(gs_il1_e.ps) dup runlibfile VMDEBUG
+
+% Define stubs for the Symbol and Dingbats encodings.
+% Note that the first element of the procedure must be the file name,
+% since gs_lev2.ps extracts it to set up the Encoding resource category.
+
+ /SymbolEncoding { /SymbolEncoding .findencoding } bind def
+%% Replace 3 (gs_sym_e.ps)
+ EncodingDirectory /SymbolEncoding
+ { (gs_sym_e.ps) //systemdict begin runlibfile SymbolEncoding end }
+ bind put
+
+ /DingbatsEncoding { /DingbatsEncoding .findencoding } bind def
+%% Replace 3 (gs_dbt_e.ps)
+ EncodingDirectory /DingbatsEncoding
+ { (gs_dbt_e.ps) //systemdict begin runlibfile DingbatsEncoding end }
+ bind put
+
+(END FONTDIR/ENCS) VMDEBUG
+
+% Construct a dictionary of all available devices.
+% These are (read-only) device prototypes that can't be
+% installed or have their parameters changed. For this reason,
+% the value in the dictionary is actually a 2-element writable array,
+% to allow us to create a default instance of the prototype on demand.
+
+ % Loop until the .getdevice gets a rangecheck.
+errordict /rangecheck 2 copy get
+errordict /rangecheck { pop stop } put % pop the command
+ 0 { {dup .getdevice exch 1 add} loop} .internalstopped pop
+ 1 add dict /devicedict 1 index def
+ begin % 2nd copy of count is on stack
+ { dup .devicename exch
+ dup wcheck { dup } { //null } ifelse 2 array astore def
+ } repeat
+ end
+put % errordict /rangecheck
+.clearerror
+/devicenames devicedict { pop } forall devicedict length packedarray def
+
+% Determine the default device.
+/defaultdevice DISPLAYING
+ { systemdict /DEVICE .knownget
+ { devicedict 1 index known not
+ { (Unknown device: ) print =
+ flush /defaultdevice cvx 1 .quit
+ }
+ if
+ }
+ { 0 .getdevice .devicename
+ }
+ ifelse
+ }
+ { /nullpage
+ }
+ifelse
+/.defaultdevicename 1 index def
+finddevice % make a copy
+def
+devicedict /Default devicedict .defaultdevicename get put
+
+(END DEVS) VMDEBUG
+
+% Define statusdict, for the benefit of programs
+% that think they are running on a LaserWriter or similar printer.
+%% Replace 1 (gs_statd.ps)
+(gs_statd.ps) runlibfile
+
+(END STATD) VMDEBUG
+
+% Load the standard font environment.
+%% Replace 1 (gs_fonts.ps)
+(gs_fonts.ps) runlibfile
+
+(END GS_FONTS) VMDEBUG
+
+% Define the default halftone screen and BG/UCR functions now, so that
+% it will bind in the original definitions of set[color]screen.
+% We make this a procedure so we can call it again when switching devices.
+
+% Use an ordered dither for low-resolution devices.
+/.setloreshalftone { % <dpi> .setloreshalftone -
+ % The following 'ordered dither' spot function was contributed by
+ % Gregg Townsend. Thanks, Gregg!
+ 16.001 div 0 % not 16: avoids rounding problems
+ { 1 add 7.9999 mul cvi exch 1 add 7.9999 mul cvi 16 mul add <
+ 0E 8E 2E AE 06 86 26 A6 0C 8C 2C AC 04 84 24 A4
+ CE 4E EE 6E C6 46 E6 66 CC 4C EC 6C C4 44 E4 64
+ 3E BE 1E 9E 36 B6 16 96 3C BC 1C 9C 34 B4 14 94
+ FE 7E DE 5E F6 76 D6 56 FC 7C DC 5C F4 74 D4 54
+ 01 81 21 A1 09 89 29 A9 03 83 23 A3 0B 8B 2B AB
+ C1 41 E1 61 C9 49 E9 69 C3 43 E3 63 CB 4B EB 6B
+ 31 B1 11 91 39 B9 19 99 33 B3 13 93 3B BB 1B 9B
+ F1 71 D1 51 F9 79 D9 59 F3 73 D3 53 FB 7B DB 5B
+ 0D 8D 2D AD 05 85 25 A5 0F 8F 2F AF 07 87 27 A7
+ CD 4D ED 6D C5 45 E5 65 CF 4F EF 6F C7 47 E7 67
+ 3D BD 1D 9D 35 B5 15 95 3F BF 1F 9F 37 B7 17 97
+ FD 7D DD 5D F5 75 D5 55 FF 7F DF 5F F7 77 D7 57
+ 02 82 22 A2 0A 8A 2A AA 00 80 20 A0 08 88 28 A8
+ C2 42 E2 62 CA 4A EA 6A C0 40 E0 60 C8 48 E8 68
+ 32 B2 12 92 3A BA 1A 9A 30 B0 10 90 38 B8 18 98
+ F2 72 D2 52 FA 7A DA 5A F0 70 D0 50 F8 78 D8 58
+ > exch get 256 div
+ }
+ bind
+ % Use correct, per-plane screens for CMYK devices only.
+ //systemdict /setcolorscreen known processcolors 4 eq and
+ { 3 copy 6 copy //setcolorscreen }
+ { //setscreen }
+ ifelse
+} bind def
+/.setloresscreen { % <dpi> .setloresscreen -
+ .setloreshalftone
+ 0 array cvx settransfer % Genoa CET won't accept a packed array!
+ /setstrokeadjust where { pop true setstrokeadjust } if
+} bind def
+% Use a 45-degree spot screen for high-resolution devices.
+% The PS3 CET insists that the screen be an array and not a packedarray (!).
+currentpacking false setpacking
+/.linescreen
+% The following screen algorithm is used by permission of the author.
+ { ((C) 1989 Berthold K.P. Horn) pop
+ 1 add 180 mul cos 1 0.08 add mul exch 2 add 180 mul cos
+ 1 0.08 sub mul add 2 div
+ }
+bind readonly def
+setpacking
+/.sethireshalftone { % <dpi> .sethireshalftone <doscreen>
+ % According to information published by Hewlett-Packard,
+ % they use a 60 line screen on 300 DPI printers and
+ % an 85 line screen on 600 DPI printers.
+ % However, we use a 106 line screen, which produces smoother-
+ % looking shades but fewer of them (32 vs. 50).
+ % 46 was suggested as a good frequency value for printers
+ % between 200 and 400 DPI, so we use it for lower resolutions.
+ % Imagesetters need even higher frequency screens.
+ //systemdict /DITHERPPI known
+ { DITHERPPI
+ }
+ { dup cvi 100 idiv 15 .min
+ {//null 46 46 60 60 60 106 106 106 106 133 133 133 133 133 150}
+ exch get
+ }
+ ifelse
+ 1 index 4.01 div .min % at least a 4x4 cell
+ 45
+ //.linescreen
+ % Determine whether we have lots of process colors.
+ % If so, don't bother with color screening or gamma correction.
+ % Also don't do gamma correction on very high-resolution devices.
+ % (This should depend on dot gain, not resolution, but we don't
+ % currently have a way to determine this.) Ignore missing components
+ % (*Values = 1).
+ currentdevice mark
+ /RedValues 0 /GreenValues 0 /BlueValues 0 /GrayValues 0
+ .dicttomark .getdeviceparams
+ counttomark 2 idiv 1 sub
+ { exch pop dup 1 le
+ { pop }
+ { exch dup 1 le
+ { pop }
+ { .min }
+ ifelse
+ }
+ ifelse
+ }
+ repeat
+ exch pop exch pop 32 lt 4 index 800 lt and 5 1 roll
+ % Stack: doscreen dpi freq angle proc
+ % Ghostscript currently doesn't use correct, per-plane halftones
+ % unless setcolorscreen has been executed. Since these are
+ % computationally much more expensive than binary halftones,
+ % we check to make sure they are really warranted, i.e., we have
+ % a high-resolution CMYK device (i.e., not a display) with
+ % fewer than 5 bits per plane (i.e., not a true-color device).
+ 4 -1 roll 150 ge
+ { /setcolorscreen where
+ { pop //systemdict /COLORSCREEN known
+ { COLORSCREEN }
+ { 3 index }
+ ifelse
+ dup false ne
+ { 4 1 roll 3 copy 6 copy 13 -1 roll
+ % For really high-quality screening on printers, we need to
+ % give each plane its own screen angle. Unfortunately,
+ % this currently has very large space and time costs.
+ true eq % true => different angles,
+ % 0 => same angles
+ { { 45 90 15 75 } { 3 1 roll exch pop 12 3 roll } forall
+ }
+ if //setcolorscreen
+ }
+ { pop //setscreen % false => single binary screen
+ }
+ ifelse
+ }
+ { //setscreen % setcolorscreen not known
+ }
+ ifelse
+ }
+ { //setscreen % not high resolution
+ }
+ ifelse
+} bind def
+/.sethiresscreen { % <dpi> .sethiresscreen
+ .sethireshalftone % pushes true if a screen halftone used
+ % Stack: doscree
+ {
+ % Set the transfer function to lighten up the grays.
+ % Parameter values closer to 1 are better for devices with
+ % less dot spreading; lower values are better with more spreading.
+ % The value 0.8 is a compromise that will probably please no one!
+ %
+ % Because of a bug in FrameMaker, we have to accept operands
+ % outside the valid range of [0..1].
+ {
+ dup dup 0.0 gt exch 1.0 lt and
+ {
+ 0.8 exp
+ }
+ if
+ }
+ }
+ {
+ % Set the transfer function to the identity.
+ 0 array cvx % Genoa CET won't accept a packed array!
+ }
+ ifelse
+ settransfer
+ /setstrokeadjust where
+ { pop false setstrokeadjust }
+ if
+
+ % Increase fill adjustment so that we effectively use Adobe's
+ % any-part-of-pixel rule.
+ 0.5 .setfilladjust
+} bind def
+% Set the default screen and BG/UCR.
+/.setdefaultbgucr {
+ systemdict /setblackgeneration known {
+ { pop 0 } dup setblackgeneration setundercolorremoval
+ } if
+} bind def
+/.useloresscreen { % - .useloresscreen <bool>
+ % Compute min(|dpi x|,|dpi y|) as the definition of the resolution.
+ 72 72 matrix defaultmatrix dtransform abs exch abs .min
+ dup 150 lt //systemdict /DITHERPPI known not and
+} bind def
+
+% The following implementation uses LL2 extensions, but only in stopped
+% contexts so that with LL1, the .set??reshalftone will be used.
+%
+% - .getdefaulthalftone <halftonedict> true if default found
+% false
+/.getdefaulthalftone {
+ % try the device to see if it has a default halftone
+ { currentdevice /HalftoneDefault gsgetdeviceprop } .internalstopped
+ { pop pop false } % no device property
+ { dup type /dicttype eq { true } { pop false } ifelse }
+ ifelse
+ % stack: <halftonedict> true if default found
+ % false not found
+ dup not
+ { % device did not provide a default, try Resource
+ pop { /Default /Halftone /findresource .systemvar exec } .internalstopped
+ { pop pop false } { true } ifelse
+ }
+ if
+} bind def
+
+/.setdefaulthalftone {
+ .getdefaulthalftone
+ { sethalftone }
+ { % default not found
+ .useloresscreen { .setloreshalftone } { .sethireshalftone pop } ifelse
+ }
+ ifelse
+} bind def
+
+/.setdefaultscreen {
+ .useloresscreen { .setloresscreen } { .sethiresscreen } ifelse
+ .setdefaultbgucr
+} bind def
+
+% Load basic color support
+%% Replace 1 (gs_cspace.ps)
+(gs_cspace.ps) runlibfile
+
+(END BASIC COLOR) VMDEBUG
+
+%% Replace 1 (gs_devcs.ps)
+(gs_devcs.ps) runlibfile
+
+(END LEVEL 1 COLOR) VMDEBUG
+
+% Load image support
+%% Replace 1 (gs_img.ps)
+(gs_img.ps) runlibfile
+
+(END IMAGE) VMDEBUG
+
+% Auxiliary procedures for generating file name templates.
+
+% Convert a path name into a string suitable for filenameforall
+% For example: (a\\b*?c) to (a\\\\b\\*\\?c)
+/.makepathtemplate { % str1 -- str2
+ dup length dup add string 0 % result string up to twice the size
+ 0 1 4 index length 1 sub {
+ 3 index exch get
+ dup 92 eq { % \ -> \\
+ 2 index 2 index 92
+ put
+ exch 1 add exch
+ }
+ if
+ dup 42 eq { % * -> \*
+ 2 index 2 index 92
+ put
+ exch 1 add exch
+ }
+ if
+ dup 63 eq { % ? -> \?
+ 2 index 2 index 92
+ put
+ exch 1 add exch
+ }
+ if
+ 2 index 2 index 3 -1 roll put 1 add
+ } for
+ 0 exch getinterval exch pop
+} bind def
+
+% false <dir_list> <template> .generate_dir_list_templates_with_length <t1> ... <tN>
+% true <dir_list> <template> .generate_dir_list_templates_with_length <t1> <l1> ... <tN> <ln>
+%
+% Generates various valid templates combining a directory list with a given template.
+% With 'true' operand it also returns lengths of directory pathes.
+%
+% Example1 (DOS, Windows) :
+% false [(/gs/lib) (/gs/Resource/) (\gs8.00\Resource)] (*/*) -->
+% (/gs/lib/*/*) (/gs/Resource/*/*) (\\gs8.00\\Resource/*/*)
+%
+% Example2 (OpenVMS) :
+% false [(gs:[lib]) (gs:[Resource]) (gs800:[Resource)] (*]*) -->
+% ((gs:[lib.*]*) [gs:[Resource.*]*) ([gs800:[Resource.*]*)
+%
+/.generate_dir_list_templates_with_length
+{ % [dl] (templ)
+ % We need to convert paths into templates,
+ % because it can include '\' on DOS.
+ % In same time, the <template> must not convert,
+ % because it is already a template.
+ % Besides that, we cannot combine template using .file_name_combine,
+ % because template syntax breaks the platform path syntax.
+ % To resolve this, we first convert the <template> into
+ % a fake filename, and combine it with path,
+ % obtaining a correct separator. Then we replace
+ % the fake file name with the given template.
+ %
+
+ % Create the fake file name :
+ dup dup length string copy % b [dl] (templ) (ffn)
+ (*) 0 get (?) 0 get (\\) 0 get (x) 0 get 0 0 % b [dl] (templ) (ffn) * ? \ x i j
+ { 1 index 7 index length ge { exit } if
+ 6 index 2 index get % b [dl] (templ) (ffn) * ? \ x i j c
+ dup 7 index eq % b [dl] (templ) (ffn) * ? \ x i j c bool
+ 1 index 7 index eq or { % *?
+ pop 2 index
+ } if % b [dl] (templ) (ffn) * ? \ x i j C
+ dup 5 index eq { % \
+ 3 2 roll 1 add 3 1 roll % b [dl] (templ) (ffn) * ? \ x i' j C
+ 2 index 8 index length ge { pop exit } if
+ pop 6 index 2 index get % b [dl] (templ) (ffn) * ? \ x i' j C'
+ } if
+ 7 index 2 index 3 2 roll put % b [dl] (templ) (ffn) * ? \ x i' j
+ 1 add exch 1 add exch % b [dl] (templ) (ffn) * ? \ x i'' j'
+ } loop % b [dl] (templ) (ffn) * ? \ x i j
+ 6 1 roll pop % b [dl] (templ) (ffn) j * ? \ x
+ exch pop exch pop exch pop exch % b [dl] (templ) (ffn) x j
+ { dup 3 index length ge { exit } if
+ 3 copy exch put
+ 1 add
+ } loop
+ pop pop % b [dl] (templ) (ffn)
+
+ % An internal procedure :
+ { % {} b [dl] (templ) (ffn) (dffn)
+ dup length
+ 1 sub % drop 'x', which was added above.
+ exch % {} b [dl] (templ) (ffn) ldffn (dffn)
+ .makepathtemplate % {} b [dl] (templ) (ffn) ldffn (Dffn)
+ dup % {} b [dl] (templ) (ffn) ldffn (Dffn) (Dffn)
+ 4 index length dup % {} b [dl] (templ) (ffn) ldffn (Dffn) (Dffn) templL templL
+ 2 index length % {} b [dl] (templ) (ffn) ldffn (Dffn) (Dffn) templL templL DffnL
+ exch sub % {} b [dl] (templ) (ffn) ldffn (Dffn) (Dffn) templL i
+ exch getinterval % {} b [dl] (templ) (ffn) ldffn (Dffn) (suffix)
+ 4 index exch copy pop % {} b [dl] (templ) (ffn) ldffn (dt)
+ 5 index {
+ exch % {} b [dl] (templ) (ffn) (dt) ldffn
+ 7 2 roll % (dt) ldffn {} b [dl] (templ) (ffn)
+ } {
+ exch pop % {} b [dl] (templ) (ffn) (dt)
+ 6 1 roll % (dt) {} b [dl] (templ) (ffn)
+ } ifelse
+ }
+ 5 1 roll % {} b [dl] (templ) (ffn)
+
+ % Generate templates :
+ dup .file_name_is_absolute {
+ dup % {} b [dl] (templ) (ffn) (ffn)
+ 5 index exec % (t1) {} b [dl] (templ) (ffn)
+ } {
+ 2 index { % ... {} b [dl] (templ) (ffn) (d)
+ 1 index % ... {} b [dl] (templ) (ffn) (d) (ffn)
+ false .file_name_combine { % ... {} b [dl] (templ) (ffn) (dffn)
+ 5 index exec % ... (t1) ?l1 {} b [dl] (templ) (ffn)
+ } { % ... {} b [dl] (templ) (ffn) (d) (ffn)
+ pop pop % ... {} b [dl] (templ) (ffn)
+ } ifelse
+ } forall
+ } ifelse % (t1) ?l1 (t2) ?l2 ... (tN) ?ln {} b [dl] (templ) (ffn)
+ pop pop pop pop pop % (t1) ?l1 (t2) ?l2 ... (tN) ?ln
+} bind def
+
+% <dir_list> <template> .generate_dir_list_templates <t1> ... <tN>
+%
+% Generates various valid templates combining a directory list with a given template.
+% It's the 'false' case of the function above.
+%
+/.generate_dir_list_templates
+{ //false 3 1 roll //.generate_dir_list_templates_with_length exec
+} bind def
+
+% Load the initialization files for optional features.
+%% Replace 4 INITFILES
+systemdict /INITFILES known
+ { INITFILES { dup runlibfile VMDEBUG } forall
+ }
+if
+
+% If Level 2 (or higher) functionality is implemented, enable it now.
+/.setlanguagelevel where {
+ pop 2 .setlanguagelevel
+ % If the resource machinery is loaded, fix up some things now.
+ /.fixresources where { pop .fixresources } if
+} if
+/ll3dict where {
+ pop 3 .setlanguagelevel
+} if
+
+(END INITFILES) VMDEBUG
+
+% Create a null font. This is the initial font.
+8 dict dup begin
+ /FontMatrix [ 1 0 0 1 0 0 ] readonly def
+ /FontType 3 def
+ /FontName () def
+ /Encoding StandardEncoding def
+ /FontBBox { 0 0 0 0 } readonly def % executable is bogus, but customary ...
+ /BuildChar { pop pop 0 0 setcharwidth } bind def
+ /PaintType 0 def % shouldn't be needed!
+end
+/NullFont exch definefont setfont
+
+% Define NullFont as the font.
+/NullFont currentfont def
+
+% Load initial fonts from FONTPATH directories, Fontmap file,
+% and/or .getccfont as appropriate.
+.loadinitialfonts
+
+% Remove NullFont from FontDirectory, so it can't be accessed by mistake.
+/undefinefont where {
+ pop /NullFont undefinefont
+} {
+ FontDirectory /NullFont .undef
+} ifelse
+
+(END FONTS) VMDEBUG
+
+% Restore the real definition of runlibfile.
+/runlibfile /.runlibfile load def
+currentdict /.runlibfile .undef
+
+% Bind all the operators defined as procedures.
+/.bindoperators % binds operators in currentdict
+ { % Temporarily disable the typecheck error.
+ errordict /typecheck 2 copy get
+ errordict /typecheck { pop } put % pop the command
+ currentdict
+ { dup type /operatortype eq
+ { % This might be a real operator, so bind might cause a typecheck,
+ % but we've made the error a no-op temporarily.
+ .bind % do a real bind even if NOBIND is set
+ }
+ if pop pop
+ } forall
+ put
+ } def
+NOBIND DELAYBIND or not { .bindoperators } if
+
+% Establish a default environment.
+
+defaultdevice
+% The following line used to skip setting of page size and resolution if
+% NODISPLAY was selected. We think this was only to save time and memory,
+% and it is a bad idea because it prevents setting the resolution in this
+% situation, which pstoedit (among other programs) relies on.
+%DISPLAYING not { setdevice (%END DISPLAYING) .skipeof } if
+
+% If the paper size is not specifed and the device defaults to
+% letter or A4 paper, select the DEFAULTPAPERSIZE.
+systemdict /DEFAULTPAPERSIZE known
+systemdict /PAPERSIZE known not and
+systemdict /DEVICEWIDTH known not and
+systemdict /DEVICEHEIGHT known not and
+systemdict /DEVICEWIDTHPOINTS known not and
+systemdict /DEVICEHEIGHTPOINTS known not and
+ {
+ defaultdevice mark /PageSize //null .dicttomark .getdeviceparams
+ .dicttomark /PageSize get
+ dup 0 get 0.5 add cvi 612 eq 1 index 1 get 0.5 add cvi 792 eq and
+ 1 index 0 get 0.5 add cvi 595 eq 2 index 1 get 0.5 add cvi 842 eq and
+ or exch pop
+ {
+ % the default paper size was letter, so replace it with DEFAULTPAPERSIZE
+ /PAPERSIZE DEFAULTPAPERSIZE def
+ } if
+ }
+if
+
+systemdict /DEVICEWIDTH known
+systemdict /DEVICEHEIGHT known or
+systemdict /DEVICEWIDTHPOINTS known or
+systemdict /DEVICEHEIGHTPOINTS known or
+systemdict /DEVICEXRESOLUTION known or
+systemdict /DEVICEYRESOLUTION known or
+systemdict /PAPERSIZE known or
+not { (%END DEVICE) .skipeof } if
+% Let DEVICE{WIDTH,HEIGHT}[POINTS] override PAPERSIZE.
+systemdict /PAPERSIZE known
+systemdict /DEVICEWIDTH known not and
+systemdict /DEVICEHEIGHT known not and
+systemdict /DEVICEWIDTHPOINTS known not and
+systemdict /DEVICEHEIGHTPOINTS known not and
+ { % Convert the paper size to device dimensions.
+ true statusdict /.pagetypenames get
+ { PAPERSIZE eq
+ { PAPERSIZE load
+ dup 0 get /DEVICEWIDTHPOINTS exch def
+ 1 get /DEVICEHEIGHTPOINTS exch def
+ pop false exit
+ }
+ if
+ }
+ forall
+ { (Unknown paper size: ) print PAPERSIZE ==only (.) =
+ }
+ if
+ }
+if
+% Adjust the device parameters per the command line.
+% It is possible to specify resolution, pixel size, and page size;
+% since any two of these determine the third, conflicts are possible.
+% We simply pass them to .setdeviceparams and let it sort things out.
+ mark /HWResolution //null /HWSize //null /PageSize //null .dicttomark
+ .getdeviceparams .dicttomark begin
+ mark
+ % Check for resolution.
+ /DEVICEXRESOLUTION where dup
+ { exch pop HWResolution 0 DEVICEXRESOLUTION put }
+ if
+ /DEVICEYRESOLUTION where dup
+ { exch pop HWResolution 1 DEVICEYRESOLUTION put }
+ if
+ or { /HWResolution HWResolution } if
+ % Check for device sizes specified in pixels.
+ /DEVICEWIDTH where dup
+ { exch pop HWSize 0 DEVICEWIDTH put }
+ if
+ /DEVICEHEIGHT where dup
+ { exch pop HWSize 1 DEVICEHEIGHT put }
+ if
+ or { /HWSize HWSize } if
+ % Check for device sizes specified in points.
+ /DEVICEWIDTHPOINTS where dup
+ { exch pop PageSize 0 DEVICEWIDTHPOINTS put }
+ if
+ /DEVICEHEIGHTPOINTS where dup
+ { exch pop PageSize 1 DEVICEHEIGHTPOINTS put }
+ if
+ or { /PageSize PageSize } if
+ % Check whether any parameters were set.
+ dup mark eq { pop } { defaultdevice putdeviceprops } ifelse
+ end
+%END DEVICE
+% Set any device properties defined on the command line.
+% If BufferSpace is defined but not MaxBitmap, set MaxBitmap to BufferSpace.
+systemdict /BufferSpace known
+systemdict /MaxBitmap known not and
+ { systemdict /MaxBitmap BufferSpace put
+ } if
+dup getdeviceprops
+counttomark 2 idiv
+ { systemdict 2 index known
+ { pop dup load counttomark 2 roll }
+ { pop pop }
+ ifelse
+ } repeat
+counttomark dup 0 ne
+ { 2 add -1 roll putdeviceprops }
+ { pop pop }
+ifelse
+% If the initial device parameters are invalid, the setdevice may fail.
+% Trap this and produce a reasonable error message.
+{ setdevice } % does an erasepage
+INITDEBUG { exec false } { .internalstopped } ifelse {
+ (**** Unable to open the initial device, quitting.) = flush 1 .quit
+} if
+
+% If the media size is fixed, update the current page device dictionary.
+FIXEDMEDIA
+dup { pop systemdict /.currentpagedevice known } if
+dup { pop .currentpagedevice exch pop } if
+not { (%END MEDIA) .skipeof } if
+currentpagedevice dup length dict .copydict
+dup /Policies
+ % Stack: <pagedevice> <pagedevice> /Policies
+1 index /InputAttributes
+2 copy get dup length dict .copydict
+ % Stack: <pagedevice> <pagedevice> /Policies <pagedevice>
+ % /InputAttributes <inputattrs'>
+dup 0 2 copy get dup length dict .copydict
+ % Stack: <pagedevice> <pagedevice> /Policies <pagedevice>
+ % /InputAttributes <inputattrs'> <inputattrs'> 0 <attrs0'>
+dup /PageSize 7 index /PageSize get
+put % PageSize in 0
+put % 0 in InputAttributes
+put % InputAttributes in pagedevice
+% Also change the page size policy so we don't get an error.
+ % Stack: <pagedevice> <pagedevice> /Policies
+2 copy get dup length dict .copydict
+ % Stack: <pagedevice> <pagedevice> /Policies <policies'>
+dup /PageSize 7 put % PageSize in Policies
+put % Policies in pagedevice
+.setpagedevice
+%END MEDIA
+
+% Set up the interpreter context version of -dUSeCIEColor option
+% so that .getuseciecolor has the correct value (see gs_setpd.ps)
+/setpagedevice where {
+ pop systemdict /UseCIEColor known {
+ mark /UseCIEColor UseCIEColor .dicttomark setpagedevice
+ } if
+} if
+
+%END DISPLAYING
+
+(END DEVICE) VMDEBUG
+
+% Establish a default upper limit in the character cache,
+% namely, enough room for a 18-point character at the resolution
+% of the default device, or for a character consuming 1% of the
+% maximum cache size, whichever is larger.
+mark
+ % Compute limit based on character size.
+ 18 dup dtransform
+ exch abs cvi 31 add 32 idiv 4 mul % X raster
+ exch abs cvi mul % Y
+ % Compute limit based on allocated space.
+ cachestatus pop pop pop pop pop exch pop 0.01 mul cvi
+ .max dup 10 idiv exch
+setcacheparams
+% Conditionally disable the character cache.
+NOCACHE { 0 setcachelimit } if
+
+(END CONFIG) VMDEBUG
+
+% Initialize graphics.
+
+.setdefaultscreen
+initgraphics
+
+% The interpreter relies on there being at least 2 entries
+% on the graphics stack. Establish the second one now.
+gsave
+
+% Define some control sequences as no-ops.
+% This is a hack to get around problems
+% in some common PostScript-generating applications.
+<04> cvn JOBSERVER {
+ { { clear cleardictstack //false 0 .startnewjob } 2 .stop } bind
+ } {
+ { }
+ } ifelse def
+<1b> cvn { % UEL is <esc>%-12345X and acts the same as ^D
+ currentfile (%-12345X) .peekstring pop (%-12345X) eq <04> cvn load if
+} bind def
+<1b45> cvn { } def % PJL reset prologue (ESC E)
+<1b451b> cvn <1b> cvn load def % PJL reset epilogue (ESC E + UEL)
+(\001M) cvn % TBCP initiator
+ { currentfile /TBCPDecode filter cvx exec
+ } bind def
+/@PJL % H-P job control
+ {
+ % Windows 2000 driver includes PJL into %%BeginFeature block.
+ % Identify this from the pattern on the stack: countdictstack lucas mark
+ % and fail the feature request.
+
+ count 3 ge {
+ dup mark eq {
+ 2 index countdictstack eq {
+ 1 index /lucas where { /lucas get eq } { pop false } ifelse {
+ stop
+ } if
+ } if
+ } if
+ } if
+ currentfile //=string readline pop pop
+ } bind def
+
+% Install the EPS handler if needed
+systemdict /EPSBoundingBoxInit known { EPSBoundingBoxInit } if
+
+% If we want a "safer" system, disable some obvious ways to cause havoc.
+.currentglobal true .setglobal
+/SAFETY 2 dict
+ dup /safe false put
+ dup /tempfiles 10 dict readonly put
+readonly def
+.setglobal
+
+/.locksafe {
+ SAFETY /safe get not {
+ <<
+ /PermitFileReading [
+ currentuserparams /PermitFileReading get aload pop
+ /FONTPATH .systemvar (*) .generate_dir_list_templates
+ % Library files :
+ /LIBPATH .systemvar (*) .generate_dir_list_templates
+ % Resource files on OpenVMS requires a separate template (gs:[dir.*]*)
+ % because the (gs:[dir]*) doesn't cover them.
+ /LIBPATH .systemvar (*) .file_name_separator (*)
+ concatstrings concatstrings .generate_dir_list_templates
+ .languagelevel 2 ge {
+ % Default resources :
+ [ currentsystemparams /GenericResourceDir get] (*) .generate_dir_list_templates
+ % Default resources (OpenVMS, see comment above.) :
+ [ currentsystemparams /GenericResourceDir get] (*) .file_name_separator (*)
+ concatstrings concatstrings .generate_dir_list_templates
+ } if
+ ]
+ /LockFilePermissions true
+ >> setuserparams
+ }
+ if
+ % setpagedevice has the side effect of clearing the page, but
+ % we will just document that. Using setpagedevice keeps the device
+ % properties and pagedevice .LockSafetyParams in agreement even
+ % after a restore that changes the value to false.
+ currentglobal currentpagedevice gcheck setglobal % use correct VM space
+ << /.LockSafetyParams true >> setpagedevice
+ setglobal
+ //SAFETY /safe //true .forceput % overrides readonly
+} .bind executeonly odef
+
+/.setsafe
+{
+ SAFETY /safe get not {
+ <<
+ /PermitFileReading [ ]
+ /PermitFileWriting [ ]
+ /PermitFileControl [ ]
+ >> setuserparams
+ }
+ if
+ .locksafe
+} .bind executeonly odef
+
+/deletefile {
+ dup { deletefile } stopped {
+ pop //deletefile $error /errorname get signalerror
+ } {
+ % deletefile succeeded. Remove from tempfile list if present
+ //SAFETY /tempfiles get exch cvn 2 copy known {
+ .forceundef
+ } {
+ pop pop
+ }
+ ifelse
+ }
+ ifelse
+} .bind executeonly odef
+
+% If a file is opened with .tempfile with SAFER not (yet) set,
+% the file can be deleted later, even if SAFER is set.
+/.tempfile {
+ .tempfile % filename file
+ //SAFETY /tempfiles get 2 .argindex true .forceput
+} .bind executeonly odef
+
+% If we are running in SAFER mode, lock things down
+SAFER { .setsafe } if
+
+% If we delayed binding, make it possible to do it later.
+/.bindnow {
+ currentuserparams /IdiomRecognition .knownget {
+ 1 dict dup /IdiomRecognition //false put setuserparams
+ } if
+ //systemdict begin .bindoperators end
+ % Temporarily disable the typecheck error.
+ errordict /typecheck 2 copy get
+ errordict /typecheck { pop } put % pop the command
+ 0 1 .delaycount 1 sub { .delaybind exch get .bind pop } for
+ //systemdict /.delaybind {} .forceput % reclaim the space
+ //systemdict /.bindnow .forceundef % ditto
+ put
+ //systemdict /.forcecopynew .forceundef % remove temptation
+ //systemdict /.forcedef .forceundef % ditto
+ //systemdict /.forceput .forceundef % ditto
+ //systemdict /.forceundef .forceundef % ditto
+ currentuserparams /IdiomRecognition known {
+ 1 dict dup /IdiomRecognition 4 -1 roll put setuserparams
+ } if
+} .bind odef
+
+% Turn off array packing, since some PostScript code assumes that
+% procedures are writable.
+false setpacking
+
+(END INIT) VMDEBUG
+
+/.currentuserparams where {
+ pop
+ % Remove real user params from psuserparams.
+ mark .currentuserparams counttomark 2 idiv {
+ pop psuserparams exch undef
+ } repeat pop
+ % Update the copy of the user parameters.
+ mark .currentuserparams counttomark 2 idiv {
+ userparams 3 1 roll .forceput % userparams is read-only
+ } repeat pop
+ % Turn on idiom recognition, if available.
+ currentuserparams /IdiomRecognition known {
+ /IdiomRecognition true .definepsuserparam
+ } if
+ psuserparams readonly pop
+ systemdict /.definepsuserparam undef
+ % Save a copy of userparams for use with save/restore
+ % (and, if implemented, context switching).
+ .currentglobal false .setglobal
+ mark userparams { } forall .dicttomark readonly
+ /userparams exch .forcedef % systemdict is read-only
+ .setglobal
+} if
+/.currentsystemparams where {
+ pop
+ % Remove real system params from pssystemparams.
+ mark .currentsystemparams counttomark 2 idiv {
+ pop pssystemparams exch .forceundef
+ } repeat pop
+} if
+
+% Set up AlignToPixels :
+
+/AlignToPixels where {
+ mark /AlignToPixels 2 index /AlignToPixels get .dicttomark setuserparams
+ /AlignToPixels undef
+} if
+
+% Set up GridFitTT :
+
+/GridFitTT where {
+ mark /GridFitTT 2 index /GridFitTT get .dicttomark setuserparams
+ /GridFitTT undef
+} if
+
+% Establish local VM as the default.
+false /setglobal where { pop setglobal } { .setglobal } ifelse
+$error /.nosetlocal false put
+
+(END GLOBAL) VMDEBUG
+
+/.savelocalstate where {
+ % If we might create new contexts, save away copies of all dictionaries
+ % referenced from systemdict that are stored in local VM,
+ % and also save a copy of the initial gstate.
+ pop .savelocalstate
+} {
+ % If we're *not* running in a multi-context system and FAKEFONTS is
+ % defined, add the fake fonts to LocalFontDirectory.
+ .definefakefonts % current VM is local
+} ifelse
+
+% Execute scheduled inits :
+//.execute_scheduled_inits exec
+currentdict /.execute_scheduled_inits undef
+currentdict /.delayed_init_queue undef
+
+% Make global and local FontDirectory read-only.
+FontDirectory readonly pop
+/GlobalFontDirectory where { pop GlobalFontDirectory readonly pop } if
+
+% Remove systemdict entries for things that have been bound in where used
+% and that shouldn't be accessible by name, and close up systemdict.
+currentdict /filterdict .undef
+currentdict /.cidfonttypes .undef
+currentdict /.colorrenderingtypes .undef
+currentdict /.formtypes .undef
+currentdict /.halftonetypes .undef
+currentdict /.imagetypes .undef
+currentdict /.imagemasktypes .undef
+currentdict /.patterntypes .undef
+currentdict /.shadingtypes .undef
+currentdict /.wheredict .undef
+end
+
+% Clean up VM, and enable GC.
+/vmreclaim where
+ { pop NOGC not { 2 vmreclaim 0 vmreclaim } if
+ } if
+DELAYBIND not {
+ systemdict /.forcecopynew .undef % remove temptation
+ systemdict /.forcedef .undef % ditto
+ systemdict /.forceput .undef % ditto
+ systemdict /.forceundef .undef % ditto
+} if
+% Move superexec to internaldict if superexec is defined.
+currentdict /superexec .knownget {
+ 1183615869 internaldict /superexec 3 -1 roll put
+ currentdict /superexec .undef
+} if
+WRITESYSTEMDICT not { systemdict readonly pop } if
+(END GC) VMDEBUG
+
+% The Adobe AGM_Core used by Illustrator 9 has some code that breaks
+% if the 'product' is not (Adobe PostScript Parser). A bug has been
+% submitted to Adobe since this also fails with Acrobat Distiller.
+% As a temporary work around, the following HACK will work for
+% devices without spot color support. Once Ghostscript can
+% support DeviceN and spot color separations this will need to
+% be 'true' in some cases.
+userdict /AGM_preserve_spots false put
+
+% The interpreter will run the initial procedure (start).