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% Copyright (C) 2001-2019 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., 1305 Grant Avenue - Suite 200, Novato, % CA 94945, U.S.A., +1(415)492-9861, for further information. % % 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. % % For reasons not clear to me, some cases of %% are being treated as % DSC comments when (and only when) the resource files are disk based % This can kill DSC parsing for pdfwrite at least, so avoid using % double % comments in this 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. % Interpreter library version number % NOTE: the interpreter code requires that the first non-comment token % in this file be an integer, and that it match the compiled-in version! 927 % Check the interpreter revision. 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 } executeonly if begin % Init to global memory (possibly not needed, but left in for legacy purposes) //true .setglobal % 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 /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 currentdict /PDFSTOPONERROR known /PDFSTOPONERROR exch def currentdict /PDFSTOPONWARNING known {/PDFSTOPONWARNING //true def /PDFSTOPONERROR //true def}{/PDFSTOPONWARNING //false def} ifelse currentdict /PDFNOCIDFALLBACK known /PDFNOCIDFALLBACK exch def /.bind /bind load def /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 .bind def % This was a debugging switch removed in 9.22, no other software % should have had any regard for it, and even if testing its value % should have checked its existence first. However pstotext, an % ancient and no longer maintained piece of softare, did check % its value unconditionally. So we retain this key in the dictionary % purely for backward compatibility. /NOBIND //false def currentdict /BATCH known /BATCH exch def currentdict /DELAYBIND known /DELAYBIND exch def currentdict /DOINTERPOLATE .knownget { { -1 } { 0 } ifelse /InterpolateControl 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 /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 { /InterpolateControl 0 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 /SAFERERRORS currentdict /NOSAFERERRORS known { //false } { currentdict /SAFERERRORS known } ifelse def currentdict /SHORTERRORS known /SHORTERRORS exch def currentdict /TTYPAUSE known /TTYPAUSE exch def currentdict /WRITESYSTEMDICT known /WRITESYSTEMDICT exch def currentdict /RENDERTTNOTDEF known /RENDERTTNOTDEF exch def currentdict /SCANCONVERTERTYPE known { currentdict /SCANCONVERTERTYPE get .setscanconverter } if currentdict /EPSFitPage known { /PSFitPage //true def } if % This is a "convenience" option that sets a combination of EPSFitPage, PDFFitPage and PSFitPage currentdict /FitPage known { /EPSFitPage //true def /PDFFitPage //true def /PSFitPage //true def } if % 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 300000 .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 (GPL Ghostscript) search { pop pop pop (This software is supplied under the GNU AGPLv3 and comes with NO WARRANTY:\nsee the file COPYING 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 exec flush } if currentdict /printgreeting .undef % 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 procedures for accessing variables in systemdict and userdict % regardless of the contents of the dictionary stack. /.systemvar { % <name> .systemvar <value> //systemdict exch get } .bind executeonly odef /.systemexec { .systemvar exec } .bind executeonly odef /.userdict { % - .userdict <dict> /userdict .systemvar } .bind executeonly odef /.uservar { % <name> .uservar <value> .userdict exch get } .bind executeonly odef % If we're delaying binding, remember everything that needs to be bound later. DELAYBIND { SAFER { (\n * WARNING - you have selected SAFER, indicating you want Ghostscript\n) print ( to execute in a safer environment, but at the same time\n) print ( have selected DELAYBIND. Unless you use this option with\n) print ( care \(and specifically, remember to call .bindnow\) it is\n) print ( possible that malicious code may be able to evade the\n) print ( limited security offered by the SAFER option.\n) print } if .currentglobal //false .setglobal systemdict /.delaybind 2000 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 } executeonly 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 % NOTE: Note sure why/if this needs to be a separate operator. Consider rolling this % implementation into /putdeviceprops ? /.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 executeonly odef /.writecvs { 0 .writecvp } bind odef %************ DEPRECATED PROCEDURES ************ %************ DO NOT USE THESE IN NEW CODE ************ % Keeping these because they have been around a long time and we don't want to break old code that's out in the wild /max { .max } bind def % use .max instead /min { .min } bind def % use .min 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 % % - initgraphics - % % Although the internal routine gs_initgraphics resets the color space, % it does not reset the color space we store in the 'interpreter' % graphics state (so that we can hand it back in currentcolorspace). % So we need to do that in the PostScript world. % % /initgraphics { initgraphics systemdict /DeviceGray_array get setcolorspace } .bind executeonly 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 % We have to guard against the BeginPage procedure not popping its operand. % This is really stupid, but the Genoa CET does it. /.beginpage { % - .beginpage - .currentshowpagecount { .currentpagedevice pop dup //null ne { /BeginPage .knownget } { pop //false } ifelse { % Stack: ... pagecount proc count 2 .execn % Stack: ... ..???.. oldcount count 1 add exch sub { pop } repeat } { pop } ifelse } if } .bind executeonly odef % Guard similarly against EndPage not popping its operand. /.endpage { % <reason> .endpage <print_bool> .currentshowpagecount { 1 index .currentpagedevice pop dup //null ne { /EndPage .knownget } { pop //false } ifelse { % Stack: ... reason pagecount reason proc count 2 .execn % Stack: ... ..???.. print oldcount count 2 add exch sub { exch pop } repeat } { pop pop 2 ne } ifelse } { 2 ne } ifelse } .bind executeonly odef % Define .currentnumcopies so it consults the NumCopies device parameter. /.numcopiesdict mark /NumCopies dup .dicttomark readonly def /.currentnumcopies { currentdevice //.numcopiesdict .getdeviceparams dup type /integertype eq { exch pop exch pop } { cleartomark #copies } ifelse } .bind executeonly 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 % 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 % Define a procedure for clearing the error indication. /.clearerror { $error /newerror //false put $error /errorname //null put $error /errorinfo //null put 0 .setoserrno } bind executeonly def % To satisfy the Genoa FTS, executive must be a procedure, not an operator. % 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 % Define an execute analogue of runlibfile0. /execute0 { % <obj> execute0 - //.execute exec { /execute0 cvx 1 .quit } if } bind def /executive { { prompt { (%statementedit) (r) .systemvmfile } stopped { pop pop $error /errorname get /undefinedfilename eq { //.clearerror exec exit } if % EOF /handleerror .systemvar exec //null % ioerror?? } if cvx { .runexec } //.execute exec pop } loop } bind def currentdict /.execute .undef /filter { //filterdict 1 .argindex .knownget { exch pop exec } { /filter .systemvar /undefined signalerror } ifelse } odef % 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 executeonly def % 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 exec pop } bind % always use .GShandleerror. } { { /errordict .systemvar /handleerror get //.internalstopped exec 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 { (GS) print count 0 ne { (<) print count =only } if (>) print flush } bind def /prompt { flush flushpage NOPROMPT not { //.promptmsg exec} if } bind def currentdict /.promptmsg .undef /pstack { 0 1 count 3 sub { index == } for } bind def /putdeviceprops { .putdeviceprops { erasepage } if } bind executeonly 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 executeonly 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 //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 /.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 executeonly 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 exec } { pop } ifelse } bind executeonly def % 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 exec dup { erasepage } if } if pop systemdict /..page_default_spaces .knownget { //.PurgeDict exec } if .beginpage } .bind executeonly odef /showpage { 0 .endpage .doneshowpage { .currentnumcopies //true .outputpage (>>showpage, press <return> to continue<<\n) //.confirm exec % Uncomment the following line, and use a Memento build to track % blocks that are created and not destroyed between each successive % page. % 2 .vmreclaim .mementolistnewblocks initgraphics currentoverprint //false setoverprint 1 setcolor .fillpage setoverprint 0 setcolor } { initgraphics } ifelse systemdict /..page_default_spaces .knownget { //.PurgeDict exec } if .beginpage } .bind executeonly 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 /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. /.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 } executeonly def systemdict /internaldict dup .makeinternaldict .makeoperator .forceput % proc is local, systemdict is global currentdict /.makeinternaldict .undef % 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 /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 exec .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 exec} 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 /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 executeonly def /.runresource { % <file> .runresource - { /run .systemvar exec } .execasresource } bind def % Convenience function (documented extension) /.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 % 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. % % Immediate evaluation doesn't work on operators (like .needinput) % so calling .runstringbegin will throw an undefined error if we % undefined .needinput so it cannot be accessed outside the init % code. But, we can store the operator in an array, use immediate % evaluation on the array to get the operator, then undefined the % array (and because they are both of the same name, the operator % get undefined too). % This prevents random Postscript from erroneously calling .needinput % and forcing the interpreter into an invalid state. /.needinput 1 .systemvmarray dup 0 /.needinput load put def /.runstringbegin { 1 .systemvmarray dup 0 //.needinput 0 get put cvx % { .needinput } in systemvm 0 0 .systemvmstring .systemvmSFD cvx .runexec } bind executeonly 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 def currentdict /runlibfile0 .undef % 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 executeonly 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 exec } 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 exec { 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 exec { 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 executeonly def currentdict /.unstoppederrorhandler .undef % 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_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 executeonly def /.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 exec } ifelse //.clearerror exec 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 exec pop end } if } ifelse % newerror end flush } bind executeonly def currentdict /.printerror_long .undef % Define $error. This must be in local VM. .currentglobal //false .setglobal currentdict /$error 40 dict .forceput % $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. currentdict /errordict ErrorNames length 3 add dict .forceput % errordict is local, systemdict is global .setglobal % back to global VM % gserrordict contains all the default error handling methods, but unlike % errordict it is noaccess after creation (also it is in global VM). % When running 'SAFER', we'll ignore the contents of errordict, which % may have been tampered with by the running job, and always use gserrordict % gserrordict also contains any non-standard errors, for better compatibility % with Adobe. % % NOTE: the name gserrordict is known to the interpreter. /gserrordict ErrorNames length 3 add 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. /.registererror2 % <dict> <name> .registererror - { .currentglobal //true .setglobal % create procs in global VM 3 1 roll mark 1 index systemdict /.errorhandler get /exec load //.packtomark exec cvx put .setglobal } bind def /.registererror % <name> .registererror - { errordict exch //.registererror2 exec } bind def currentdict /.registererror2 .undef ErrorNames { .registererror} 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 exec cvx def } forall /handleerror % this key is 'well known' and some PS may redefine it { /.printerror .systemvar exec } bind def end % errordict gserrordict /unknownerror errordict /unknownerror get put errordict /unknownerror .undef /.SAFERERRORLIST ErrorNames def /.setsafererrors { % Put all the requested handlers in gserrordict gserrordict //.SAFERERRORLIST { dup /unknownerror eq {pop} { dup errordict exch get 2 index 3 1 roll put }ifelse }forall noaccess pop //systemdict /.setsafeerrors .forceundef //systemdict /.SAFERERRORLIST .forceundef } bind executeonly odef SAFERERRORS {.setsafererrors} if % 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. 1183615869 internaldict dup /.delayed_init_queue 10 dict put /.schedule_init % <priority> <proc> .schedule_init - { 1183615869 internaldict begin .delayed_init_queue 2 index known { end (.delayed_init_queue priority conflict with ) print 1 index = /.schedule_init cvx /configurationerror signalerror } if .delayed_init_queue 3 1 roll .growput end } bind def begin /.execute_scheduled_inits % - .execute_scheduled_inits - { 2 dict begin /.newdelayed_init_queue mark 1183615869 internaldict /.delayed_init_queue get {} forall .dicttomark def { 0 //null .newdelayed_init_queue { % maxp {} p {} 3 index 2 index lt { 4 2 roll } if pop pop } forall exch .newdelayed_init_queue exch undef dup //null eq { pop exit } if exec } loop currentdict /.newdelayed_init_queue undef end } bind def end (END PROCS) VMDEBUG % Define the font directory. currentdict /FontDirectory //false .setglobal 100 dict //true .setglobal .forceput % 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 % Special handling for device parameters. Must follow definition of 'type' % make -dPDFA equivalent to -dPDFA=1 (backwards compatible) currentdict /PDFA known { PDFA type /booleantype eq { /PDFA 1 def } if } if % 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 exec 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 } { .getdefaultdevice .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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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 dup .setfilladjust2 } bind def % Set the default screen and BG/UCR. % We define the proc here, rather than inline in .setdefaultbgucr % for the benefit of gs_cet.ps so jobs that do anything that causes % .setdefaultbgucr to be called will still get the redefined proc % in gs_cet.ps (%.defaultbgrucrproc) cvn { pop 0 } def /.setdefaultbgucr { systemdict /setblackgeneration known { (%.defaultbgrucrproc) cvn load 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 /.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 % 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 exec } //.internalstopped exec { 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 exec { pop pop //false } { //true } ifelse } if } bind def currentdict /.gsgetdeviceprop .forceundef /.setdefaulthalftone { //.getdefaulthalftone exec { sethalftone } { % default not found //.useloresscreen exec { .setloreshalftone } { .sethireshalftone pop } ifelse } ifelse } bind def /.setdefaultscreen { //.useloresscreen exec { .setloresscreen } { .sethiresscreen } ifelse //.setdefaultbgucr exec } bind def currentdict /.setdefaultbgucr .undef currentdict /.useloresscreen .undef % Rendering intent mapping for setcolorrendering1 and PDF interpreter /.renderingintentdict mark /Perceptual 0 /RelativeColorimetric 1 /Saturation 2 /AbsoluteColorimetric 3 .dicttomark readonly def % Load basic color support %% Replace 1 (gs_cspace.ps) (gs_cspace.ps) runlibfile (END BASIC 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 2 index length sub % drop "ffn", remaining "ldffn" = length of the "directory" part exch % {} b [dl] (templ) (ffn) ldffn (dffn) //.makepathtemplate exec % {} 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 executeonly odef currentdict /.makepathtemplate .undef % <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 } .bind executeonly odef % Load the initialization files for optional features. %% Replace 4 INITFILES systemdict /INITFILES known { INITFILES { <00> search { exch pop dup runlibfile VMDEBUG }{ dup runlibfile VMDEBUG exit } ifelse } .bind loop } 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 currentdict /.loadinitialfonts .undef % 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 { currentdict { dup type /operatortype eq { % This might be a real operator, so bind might cause a typecheck {.bind} //.internalstopped exec pop } if pop pop } forall } def DELAYBIND not { .bindoperators %% if not DELAYBIND, undef this now. Otherwise defer to .bindnow //systemdict /.bindoperators .undef } 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 not { % Use .defaultpapersize if it returns a known paper size .defaultpapersize { statusdict /.pagetypeprocs get 1 index known { systemdict exch /DEFAULTPAPERSIZE exch put } { QUIET { pop } { (Unknown .defaultpapersize: ) print ==only (.) = } ifelse } ifelse } if } if 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. statusdict /.pagetypeprocs get PAPERSIZE .knownget { dup 0 get /DEVICEWIDTHPOINTS exch def 1 get /DEVICEHEIGHTPOINTS exch def } { (Unknown paper size: ) print PAPERSIZE ==only (.) = } ifelse } 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 } { 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 exec } ifelse { (%stderr) (w) file dup (**** Unable to open the initial device, quitting.\n) writestring flushfile 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 /..StartupGlobal //true .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 .actonuel % UEL is <esc>%-12345X and acts the same as ^D {systemdict (.forceinterp_exit) cvn known {//true} {//false} ifelse} {//false} ifelse { { currentfile (%-12345X) .peekstring pop (%-12345X) eq { currentfile .forceinterp_exit } if } } { {currentfile (%-12345X) .peekstring pop (%-12345X) eq <04> cvn load if} } ifelse 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 systemdict /EPSBoundingBoxInit .forceundef %% ---------------- SAFER stuff BEGIN -------------------%% % 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 noaccess put readonly def .setglobal /tempfilepaths [ (TMPDIR) getenv not { (TEMP) getenv not { (TMP) getenv not { (/temp) (/tmp) } if } if } if ] def /.locksafe_userparams { SAFETY /safe get not { << /PermitFileReading [ currentuserparams /PermitFileReading get aload pop //tempfilepaths () .generate_dir_list_templates /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 currentuserparams /ICCProfilesDir known { [currentuserparams /ICCProfilesDir get] () .generate_dir_list_templates } if ] /PermitFileWriting [ currentuserparams /PermitFileWriting get aload pop //tempfilepaths () .generate_dir_list_templates ] /PermitFileControl [ currentuserparams /PermitFileControl get aload pop //tempfilepaths () .generate_dir_list_templates ] /LockFilePermissions //true >> setuserparams } if } .bind executeonly def currentdict /tempfilepaths undef %% --- These are documented extensions --- /.locksafe { //.locksafe_userparams exec //systemdict /getenv {pop //false} .forceput % 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 %% --- End documented extensions --- % This is only used during startup. Its required so that % we can detect in setpagdevice that we are in fact in startup % and allocate a global instead of local VM. We need it to be % global to satisfy Display PostScript (see start of /setpagdevice % in gs_setpd.ps) % /.locksafeglobal { //.locksafe_userparams exec systemdict /getenv {pop //false} put % 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 /..StartupGlobal //true >> setpagedevice setglobal //SAFETY /safe //true .forceput % overrides readonly } .bind def % See /.locksafeglobal above. % /.setsafeglobal { SAFETY /safe get not { << /PermitFileReading [ ] /PermitFileWriting [ ] /PermitFileControl [ ] >> setuserparams } if //.locksafeglobal exec } .bind def % If we are running in SAFER mode, lock things down SAFER { .setsafeglobal } if currentdict /.locksafe_userparams .undef currentdict /.setsafeglobal .undef currentdict /.locksafeglobal .undef SAFER { /SAFERUndefinePostScriptOperators { [ % Used by our own test suite files /.pushpdf14devicefilter % transparency-example.ps /.poppdf14devicefilter % transparency-example.ps /.setopacityalpha % transparency-example.ps /.setshapealpha % transparency-example.ps /.endtransparencygroup % transparency-example.ps /.setdotlength % Bug687720.ps /.sort /.setdebug /.mementolistnewblocks /getenv /unread ] {systemdict exch .forceundef} forall //systemdict /SAFERUndefinePostScriptOperators .forceundef } .bind executeonly def % must be bound and hidden for .forceundef } if %% ---------------- SAFER stuff END -------------------%% /UndefinePostScriptOperators { % This list is of operators which no longer appear to be used, and which we do not believe % to have any real use. For now we will undefine the operstors so they cannot easily be used % but can be easily restored (just delete the name from the list in the array). In future % we may remove the operator and the code implementation entirely. [ /.bitadd /.charboxpath /.cond /.runandhide /.popdevicefilter /.execfile /.filenamesplit /.file_name_parent /.setdefaultmatrix /.isprocfilter /.unread /.psstringencode /.buildsampledfunction /.isencapfunction /.currentaccuratecurves /.currentcurvejoin /.currentdashadapt /.currentdotlength /.currentlimitclamp /.dotorientation /.setaccuratecurves /.setcurvejoin /.setdashadapt /.setdotorientation /.setlimitclamp /.currentscreenlevels /.dashpath /.pathbbox /.identeq /.identne /.tokenexec /.forgetsave /.pantonecallback % Used by our own test suite files %/.setdotlength % Bug687720.ps ] {systemdict exch .forceundef} forall % This list of operators are used internally by various parts of the Ghostscript startup code. % Since each operator is a potential security vulnerability, and any operator listed here % is not required once the initialisation is complete and functions are bound, we undefine % the ones that aren't needed at runtime. [ /.callinstall /.callbeginpage /.callendpage /.currentstackprotect /.setstackprotect /.errorexec /.finderrorobject /.installsystemnames /.bosobject /.fontbbox /.type1execchar /.type2execchar /.type42execchar /.setweightvector /.getuseciecolor /processcolors /.includecolorspace /.execn /.instopped /.stop /.stopped /.setcolorrendering /.setdevicecolorrendering /.buildcolorrendering1 /.builddevicecolorrendering1 /.TransformPQR_scale_WB0 /.TransformPQR_scale_WB1 /.TransformPQR_scale_WB2 /.currentoverprintmode /.copydevice2 /.devicename /.doneshowpage /.getbitsrect /.getdevice /.getdefaultdevice /.getdeviceparams /.gethardwareparams /makewordimagedevice /.outputpage /.putdeviceparams /.setdevice /.currentshowpagecount /.setpagedevice /.currentpagedevice /.knownundef /.setmaxlength /.rectappend /.initialize_dsc_parser /.parse_dsc_comments /.fillCIDMap /.fillIdentityCIDMap /.buildcmap /.filenamelistseparator /.libfile /.getfilename /.file_name_combine /.file_name_is_absolute /.file_name_separator /.file_name_directory_separator /.file_name_current /.filename /.peekstring /.writecvp /.subfiledecode /.setupUnicodeDecoder /.jbig2makeglobalctx /.registerfont /.parsecff /.getshowoperator /.getnativefonts /.beginform /.endform /.get_form_id /.repeatform /.reusablestream /.rsdparams /.buildfunction /.sethpglpathmode /.currenthpglpathmode /.currenthalftone /.sethalftone5 /.image1 /.imagemask1 /.image3 /.image4 /.getiodevice /.getdevparms /.putdevparams /.bbox_transform /.matchmedia /.matchpagesize /.defaultpapersize /.oserrno /.setoserrno /.oserrorstring /.getCPSImode /.getscanconverter /.setscanconverter /.type1encrypt /.type1decrypt/.languagelevel /.setlanguagelevel /.eqproc /.fillpage /.saslprep /.shfill /.argindex /.bytestring /.namestring /.stringbreak /.stringmatch /.globalvmarray /.globalvmdict /.globalvmpackedarray /.globalvmstring /.localvmarray /.localvmdict /.localvmpackedarray /.localvmstring /.systemvmarray /.systemvmdict /.systemvmpackedarray /.systemvmstring /.systemvmfile /.systemvmlibfile /.systemvmSFD /.settrapparams /.currentsystemparams /.currentuserparams /.getsystemparam /.getuserparam /.setsystemparams /.setuserparams /.checkpassword /.locale_to_utf8 /.currentglobal /.gcheck /.imagepath /.currentoutputdevice /.type /.writecvs /.setSMask /.currentSMask /.needinput /.countexecstack /.execstack /.applypolicies /filterdict /.cidfonttypes /.colorrenderingtypes /.formtypes /.halftonetypes /.imagetypes /.imagemasktypes /.patterntypes /.shadingtypes /.wheredict /.renderingintentdict /.currentmatrix /.setmatrix /.setlinecap /.setlinejoin /.sizeimagebox /.systemvmcheck /.forceinterp_exit /.actonuel /.init_otto_font_file /.composefontdict /.type1build /.origdefinefont /.origundefinefont /.origfindfont /.buildnativefontmap /.completefont /.definefakefonts /.fontnameproperties /.growfontdict /.substitutefont /.substitutefontname /.FontDirectory /.charkeys /.makesfnts /.pickcmap /.loadttcidfont /.loadpdfttfont /obind /odef /.packtomark /.putdeviceprops /.growdict /.growdictlength /.userdict /.uservar /.getdefaulthalftone /.registererror /.PurgeDict /.runresource /.numicc_components /.set_outputintent /.internalstopped /.generate_dir_list_templates /.generate_dir_list_templates_with_length /.type11mapcid /.type9mapcid /.clearerror /.beginpage /.endpage /.getpath /.confirm /.confirmread % Used by a free user in the Library of Congress. Apparently this is used to % draw a partial page, which is then filled in by the results of a barcode % scanner and SQL database lookup. Its not clear to us exactly why this needs to be % done as a partial page, but its easiest to restore the operator, and it seems like % its a reasonably safe operator to restore, for the very few devices on which % it will have any effect. Currently this uses the 'sync_output' device method % to transfer the partial page, in future we may use a spec_op instead. %/flushpage % Used by our own test suite files %/.fileposition %image-qa.ps % Either our code uses these in ways which mean they can't be undefined, or they are used directly by % test files/utilities, or engineers expressed a desire to keep them visible. % %/currentdevice /.sort /.buildfont0 /.buildfont1 /.buildfont2 /.buildfont3 /.buildfont4 /.buildfont9 /.buildfont10 /.buildfont11 %/.buildfont32 /.buildfont42 /.swapcolors %/currentdevice /.quit /.setuseciecolor /.needinput /.setoverprintmode /.special_op /.dicttomark /.knownget %/.FAPIBuildGlyph /.FAPIBuildChar /.FAPIBuildGlyph9 %/.tempfile /.max /.min /.setglobal %/.setdebug /.mementolistnewblocks /getenv ] {systemdict exch .forceundef} forall % level 2 operators, undefine from both systemdict and level2dict [ /.execform1 /.getdevparams /.setuserparams2 /.startjob /.checkFilePermitparams /.copyparam /.setdevicecolorrendering1 /.buildpattern1 /.findcategory /.execinstall /.findfontop % Couldn't figure out how to do these yet % /.checkparamtype % /.startnewjob ] dup {level2dict exch .forceundef} forall {systemdict exch .forceundef} forall % undef stuff from statusdict [ % /.setpagesize ] {statusdict exch .forceundef} forall //systemdict /UndefinePostScriptOperators .forceundef } .bind executeonly def % must be bound and hidden for .forceundef % Undefine operators that are used by PDF internally. % This list is maintained in pdf_main.ps /UndefinePDFOperators { .PDF_UNDEF_OPLIST {//systemdict exch .forceundef} forall //systemdict /.PDF_UNDEF_OPLIST .forceundef //systemdict /UndefinePDFOperators .forceundef } .bind def % 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 SAFER { //systemdict /SAFERUndefinePostScriptOperators get exec } if //systemdict /UndefinePostScriptOperators get exec //systemdict /UndefinePDFOperators get exec //systemdict /.forcecopynew .forceundef % remove temptation //systemdict /.forceput .forceundef % ditto //systemdict /.undef .forceundef % ditto //systemdict /.bindoperators .forceundef //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 } executeonly 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 currentdict exch /userparams exch .forceput % systemdict is read-only .setglobal } executeonly if /.currentsystemparams where { pop % Remove real system params from pssystemparams. mark .currentsystemparams counttomark 2 idiv { pop pssystemparams exch .forceundef } executeonly 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 % Add the fake fonts to LocalFontDirectory. //.definefakefonts exec % current VM is local % Execute scheduled inits : 1183615869 internaldict /.execute_scheduled_inits get exec currentdict /.schedule_init undef %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 % If we are using DELAYBIND we have to defer the undefinition % until .bindnow. DELAYBIND not { SAFER { //systemdict /SAFERUndefinePostScriptOperators get exec } if //systemdict /UndefinePostScriptOperators get exec //systemdict /UndefinePDFOperators .forceundef } if end % Clean up VM, and enable GC. Use .vmreclaim to force the GC. /vmreclaim where { pop NOGC not { 2 .vmreclaim 0 vmreclaim } if } if systemdict /.vmreclaim .undef level2dict /.vmreclaim .undef % Do this before systemdict is locked (see below for additional CETMODE setup using gs_cet.ps) systemdict /CETMODE .knownget { { (gs_cet.ps) runlibfile } if } if systemdict /.makeoperator .undef % must be after gs_cet.ps systemdict /.setCPSImode .undef % must be after gs_cet.ps DELAYBIND not { systemdict /.bindnow .undef % We only need this for DELAYBIND systemdict /.forcecopynew .undef % remove temptation systemdict /.forceput .undef % ditto systemdict /.forceundef .undef % ditto } if % Can't remove this one until the last minute :-) DELAYBIND not { systemdict /.undef .undef } if WRITESYSTEMDICT { SAFER { (\n *** WARNING - you have selected SAFER, indicating you want Ghostscript\n) print ( to execute in a safer environment, but at the same time\n) print ( have selected WRITESYSTEMDICT. Unless you use this option with\n) print ( care and specifically, remember to execute code like:\n) print ( "systemdict readonly pop"\n) print ( it is possible that malicious code may be able to evade the\n) print ( limited security offered by the SAFER option.\n) print }if } { systemdict readonly pop } ifelse (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 .opvpactivatepathcontrol % The interpreter will run the initial procedure (start). Back

Edit File : gs_init.ps | Size : 89.44 KB

% Copyright (C) 2001-2019 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.,  1305 Grant Avenue - Suite 200, Novato,
% CA 94945, U.S.A., +1(415)492-9861, for further information.
%

% 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.
%
% For reasons not clear to me, some cases of %% are being treated as
% DSC comments when (and only when) the resource files are disk based
% This can kill DSC parsing for pdfwrite at least, so avoid using
% double % comments in this 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.

% Interpreter library version number
% NOTE: the interpreter code requires that the first non-comment token
% in this file be an integer, and that it match the compiled-in version!
927

% Check the interpreter revision.
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
 } executeonly
if begin

% Init to global memory (possibly not needed, but left in for legacy purposes)
//true .setglobal

% 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
  /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

currentdict /PDFSTOPONERROR known /PDFSTOPONERROR exch def
currentdict /PDFSTOPONWARNING known {/PDFSTOPONWARNING //true def /PDFSTOPONERROR //true def}{/PDFSTOPONWARNING //false def} ifelse
currentdict /PDFNOCIDFALLBACK known /PDFNOCIDFALLBACK exch def
/.bind /bind load def

/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
  .bind def

% This was a debugging switch removed in 9.22, no other software
% should have had any regard for it, and even if testing its value
% should have checked its existence first. However pstotext, an
% ancient and no longer maintained piece of softare, did check
% its value unconditionally. So we retain this key in the dictionary
% purely for backward compatibility.
/NOBIND //false def

currentdict /BATCH known   /BATCH exch def
currentdict /DELAYBIND known   /DELAYBIND exch def
currentdict /DOINTERPOLATE .knownget { { -1 } { 0 } ifelse /InterpolateControl 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 /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 { /InterpolateControl 0 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

/SAFERERRORS
currentdict /NOSAFERERRORS known
{
  //false
}
{
  currentdict /SAFERERRORS known
} ifelse def

currentdict /SHORTERRORS known   /SHORTERRORS exch def
currentdict /TTYPAUSE known   /TTYPAUSE exch def
currentdict /WRITESYSTEMDICT known   /WRITESYSTEMDICT exch def
currentdict /RENDERTTNOTDEF known /RENDERTTNOTDEF exch def
currentdict /SCANCONVERTERTYPE known
{
  currentdict /SCANCONVERTERTYPE get .setscanconverter
} if

currentdict /EPSFitPage known { /PSFitPage //true def } if
% This is a "convenience" option that sets a combination of EPSFitPage, PDFFitPage and PSFitPage
currentdict /FitPage known { /EPSFitPage //true def /PDFFitPage //true def /PSFitPage //true def } if

% 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 300000
  .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 (GPL Ghostscript) search
    { pop pop pop
      (This software is supplied under the GNU AGPLv3 and comes with NO WARRANTY:\nsee the file COPYING 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 exec flush } if
currentdict /printgreeting .undef

% 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 procedures for accessing variables in systemdict and userdict
% regardless of the contents of the dictionary stack.
/.systemvar {		% <name> .systemvar <value>
  //systemdict exch get
} .bind executeonly odef
/.systemexec {
  .systemvar exec
} .bind executeonly odef
/.userdict {		% - .userdict <dict>
  /userdict .systemvar
} .bind executeonly odef
/.uservar {		% <name> .uservar <value>
  .userdict exch get
} .bind executeonly odef

% If we're delaying binding, remember everything that needs to be bound later.
DELAYBIND
{
   SAFER {
       (\n *** WARNING - you have selected SAFER, indicating you want Ghostscript\n) print
       (               to execute in a safer environment, but at the same time\n) print
       (               have selected DELAYBIND. Unless you use this option with\n) print
       (               care $and specifically, remember to call .bindnow$ it is\n) print
       (               possible that malicious code may be able to evade the\n) print
       (               limited security offered by the SAFER option.\n) print
   } if
   .currentglobal //false .setglobal
   systemdict /.delaybind 2000 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
} executeonly 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

% NOTE: Note sure why/if this needs to be a separate operator.  Consider rolling this
% implementation into /putdeviceprops ?
/.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 executeonly odef
/.writecvs { 0 .writecvp } bind odef

%**************** DEPRECATED PROCEDURES ****************
%**************** DO NOT USE THESE IN NEW CODE ****************
% Keeping these because they have been around a long time and we don't want to break old code that's out in the wild
/max { .max } bind def		% use .max instead
/min { .min } bind def		% use .min 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
%
%   -   initgraphics   -
%
% Although the internal routine gs_initgraphics resets the color space,
% it does not reset the color space we store in the 'interpreter'
% graphics state (so that we can hand it back in currentcolorspace).
% So we need to do that in the PostScript world.
%
%
/initgraphics
  { initgraphics systemdict /DeviceGray_array get setcolorspace }
.bind executeonly 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

% We have to guard against the BeginPage procedure not popping its operand.
% This is really stupid, but the Genoa CET does it.
/.beginpage {		% - .beginpage -
  .currentshowpagecount {
    .currentpagedevice pop
    dup //null ne { /BeginPage .knownget } { pop //false } ifelse {
                % Stack: ... pagecount proc
       count 2 .execn
                % Stack: ... ..???.. oldcount
       count 1 add exch sub { pop } repeat
    } {
      pop
    } ifelse
  } if
} .bind executeonly odef

% Guard similarly against EndPage not popping its operand.
/.endpage {		% <reason> .endpage <print_bool>
  .currentshowpagecount {
    1 index .currentpagedevice pop
    dup //null ne { /EndPage .knownget } { pop //false } ifelse {
                % Stack: ... reason pagecount reason proc
      count 2 .execn
                % Stack: ... ..???.. print oldcount
      count 2 add exch sub { exch pop } repeat
    } {
      pop pop 2 ne
    } ifelse
  } {
    2 ne
  } ifelse
} .bind executeonly odef

% Define .currentnumcopies so it consults the NumCopies device parameter.
/.numcopiesdict mark
  /NumCopies dup
.dicttomark readonly def
/.currentnumcopies
 { currentdevice //.numcopiesdict .getdeviceparams
   dup type /integertype eq
    { exch pop exch pop }
    { cleartomark #copies }
   ifelse
} .bind executeonly 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
% 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
% Define a procedure for clearing the error indication.
/.clearerror
 { $error /newerror //false put
   $error /errorname //null put
   $error /errorinfo //null put
   0 .setoserrno
 } bind executeonly def

% To satisfy the Genoa FTS, executive must be a procedure, not an operator.
% 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
% Define an execute analogue of runlibfile0.
/execute0 {		% <obj> execute0 -
  //.execute exec { /execute0 cvx 1 .quit } if
} bind def
/executive
        { { prompt
             { (%statementedit) (r) .systemvmfile } stopped
             { pop pop $error /errorname get /undefinedfilename eq
                { //.clearerror exec exit } if		% EOF
               /handleerror .systemvar exec //null		% ioerror??
             }
            if
            cvx { .runexec } //.execute exec pop
          } loop
        } bind def
currentdict /.execute .undef

/filter
        { //filterdict 1 .argindex .knownget
           { exch pop exec }
           { /filter .systemvar /undefined signalerror }
          ifelse
        } odef
% 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 executeonly def
% 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 exec pop } bind % always use .GShandleerror.
        } {
          { /errordict .systemvar /handleerror get //.internalstopped exec 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 {
        (GS) print
        count 0 ne { (<) print count =only } if
        (>) print flush
} bind def
/prompt	{ flush flushpage NOPROMPT not { //.promptmsg exec} if } bind def
currentdict /.promptmsg .undef

/pstack	{ 0 1 count 3 sub { index == } for } bind def
/putdeviceprops
        { .putdeviceprops { erasepage } if } bind executeonly 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 executeonly 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
        //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

/.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 executeonly 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 exec
  } {
    pop
  } ifelse
} bind executeonly def

% 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 exec
          dup { erasepage } if
        } if pop
    systemdict /..page_default_spaces .knownget { //.PurgeDict exec } if
    .beginpage
} .bind executeonly odef

/showpage {
        0 .endpage .doneshowpage {
          .currentnumcopies //true .outputpage
          (>>showpage, press <return> to continue<<\n) //.confirm exec
          % Uncomment the following line, and use a Memento build to track
          % blocks that are created and not destroyed between each successive
          % page.
          % 2 .vmreclaim .mementolistnewblocks
          initgraphics
          currentoverprint //false setoverprint 1 setcolor
          .fillpage
          setoverprint 0 setcolor
        }
        { initgraphics } ifelse
    systemdict /..page_default_spaces .knownget { //.PurgeDict exec } if
    .beginpage
} .bind executeonly 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
/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.
/.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
} executeonly def
systemdict /internaldict dup .makeinternaldict .makeoperator
.forceput		% proc is local, systemdict is global
currentdict /.makeinternaldict .undef

% 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
/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 exec .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 exec} 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
/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 executeonly def
/.runresource {		% <file> .runresource -
  { /run .systemvar exec } .execasresource
} bind def

% Convenience function (documented extension)
/.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

% 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.
%
% Immediate evaluation doesn't work on operators (like .needinput)
% so calling .runstringbegin will throw an undefined error if we
% undefined .needinput so it cannot be accessed outside the init
% code. But, we can store the operator in an array, use immediate
% evaluation on the array to get the operator, then undefined the
% array (and because they are both of the same name, the operator
% get undefined too).
% This prevents random Postscript from erroneously calling .needinput
% and forcing the interpreter into an invalid state.
/.needinput
1 .systemvmarray dup 0 /.needinput load put
def
/.runstringbegin {
  1 .systemvmarray dup 0 //.needinput 0 get put cvx	% { .needinput } in systemvm
  0 0 .systemvmstring .systemvmSFD cvx .runexec
} bind executeonly 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 def
currentdict /runlibfile0 .undef

% 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 executeonly 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 exec
     } 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 exec { 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 exec { 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 executeonly def
currentdict /.unstoppederrorhandler .undef

% 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_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 executeonly def
/.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 exec
        }
       ifelse
       //.clearerror exec 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 exec pop end
         }
         if
     }
     ifelse	% newerror
     end
     flush
} bind executeonly def
currentdict /.printerror_long .undef

% Define $error.  This must be in local VM.
.currentglobal //false .setglobal
currentdict /$error 40 dict .forceput	% $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.
currentdict /errordict ErrorNames length 3 add dict
.forceput		% errordict is local, systemdict is global
.setglobal		% back to global VM
%  gserrordict contains all the default error handling methods, but unlike
%  errordict it is noaccess after creation (also it is in global VM).
%  When running 'SAFER', we'll ignore the contents of errordict, which
%  may have been tampered with by the running job, and always use gserrordict
%  gserrordict also contains any non-standard errors, for better compatibility
%  with Adobe.
%
%   NOTE: the name gserrordict is known to the interpreter.
/gserrordict ErrorNames length 3 add 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.
/.registererror2	% <dict> <name> .registererror -
 { .currentglobal //true .setglobal	% create procs in global VM
   3 1 roll
   mark 1 index systemdict /.errorhandler get /exec load //.packtomark exec cvx put
   .setglobal
 } bind def
/.registererror		% <name> .registererror -
 { errordict exch //.registererror2 exec
 } bind def
currentdict /.registererror2 .undef

ErrorNames
 { .registererror} 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 exec cvx def
   } forall
/handleerror	% this key is 'well known' and some PS may redefine it
 { /.printerror .systemvar exec
 } bind def
end		% errordict

gserrordict /unknownerror errordict /unknownerror get put
errordict /unknownerror .undef

/.SAFERERRORLIST ErrorNames def
/.setsafererrors
{
% Put all the requested handlers in gserrordict
  gserrordict
  //.SAFERERRORLIST
  {
    dup /unknownerror eq
    {pop}
    {
      dup errordict exch get 2 index 3 1 roll put
    }ifelse
  }forall
  noaccess pop
  //systemdict /.setsafeerrors .forceundef
  //systemdict /.SAFERERRORLIST .forceundef
} bind executeonly odef

SAFERERRORS {.setsafererrors} if

% 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.
1183615869 internaldict dup
/.delayed_init_queue 10 dict put

/.schedule_init   %   <priority> <proc> .schedule_init -
{
   1183615869 internaldict begin
  .delayed_init_queue 2 index known {
    end
    (.delayed_init_queue priority conflict with ) print 1 index =
    /.schedule_init cvx /configurationerror signalerror
  } if
  .delayed_init_queue 3 1 roll .growput
  end
} bind def

begin
/.execute_scheduled_inits %   - .execute_scheduled_inits -
{
  2 dict begin
  /.newdelayed_init_queue
  mark
  1183615869 internaldict /.delayed_init_queue get {} forall
  .dicttomark def
  {
    0 //null .newdelayed_init_queue {     % maxp {} p {}
      3 index 2 index lt {
        4 2 roll
      } if
      pop pop
    } forall
    exch .newdelayed_init_queue exch undef
    dup //null eq {
      pop exit
    } if
    exec
  } loop
  currentdict /.newdelayed_init_queue undef
  end
} bind def
end

(END PROCS) VMDEBUG

% Define the font directory.
currentdict
/FontDirectory //false .setglobal 100 dict //true .setglobal
.forceput		% 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

% Special handling for device parameters. Must follow definition of 'type'
% make -dPDFA equivalent to -dPDFA=1 (backwards compatible)
currentdict /PDFA known { PDFA type /booleantype eq { /PDFA 1 def } if } if

% 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 exec 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
    }
    { .getdefaultdevice .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 dup .setfilladjust2
} bind def

% Set the default screen and BG/UCR.
% We define the proc here, rather than inline in .setdefaultbgucr
% for the benefit of gs_cet.ps so jobs that do anything that causes
% .setdefaultbgucr to be called will still get the redefined proc
% in gs_cet.ps
(%.defaultbgrucrproc) cvn { pop 0 } def

/.setdefaultbgucr {
  systemdict /setblackgeneration known {
    (%.defaultbgrucrproc) cvn load 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

/.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

% 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 exec } //.internalstopped exec
  { 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 exec
    { pop pop //false } { //true } ifelse
  }
  if
} bind def
currentdict /.gsgetdeviceprop .forceundef

/.setdefaulthalftone {
  //.getdefaulthalftone exec
  { sethalftone }
  { % default not found
    //.useloresscreen exec { .setloreshalftone } { .sethireshalftone pop } ifelse
  }
  ifelse
} bind def

/.setdefaultscreen {
  //.useloresscreen exec { .setloresscreen } { .sethiresscreen } ifelse
  //.setdefaultbgucr exec
} bind def
currentdict /.setdefaultbgucr .undef
currentdict /.useloresscreen .undef

% Rendering intent mapping for setcolorrendering1 and PDF interpreter
/.renderingintentdict mark
  /Perceptual 0
  /RelativeColorimetric 1
  /Saturation 2
  /AbsoluteColorimetric 3
.dicttomark readonly def

% Load basic color support
%% Replace 1 (gs_cspace.ps)
(gs_cspace.ps) runlibfile

(END BASIC 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
    2 index length sub % drop "ffn", remaining "ldffn" = length of the "directory" part
    exch                            % {} b [dl] (templ) (ffn) ldffn (dffn)
    //.makepathtemplate exec        % {} 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 executeonly odef
currentdict /.makepathtemplate .undef

%   <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
} .bind executeonly odef

% Load the initialization files for optional features.
%% Replace 4 INITFILES
systemdict /INITFILES known
 { INITFILES { <00> search { exch pop dup runlibfile VMDEBUG }{ dup runlibfile VMDEBUG exit } ifelse } .bind loop
 }
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
currentdict /.loadinitialfonts .undef

% 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
 {
   currentdict
    { dup type /operatortype eq
       {
         % This might be a real operator, so bind might cause a typecheck
         {.bind} //.internalstopped exec pop
       }
      if pop pop
    } forall
 } def
DELAYBIND not {
    .bindoperators
    %% if not DELAYBIND, undef this now. Otherwise defer to .bindnow
    //systemdict /.bindoperators .undef
}  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 not {
  % Use .defaultpapersize if it returns a known paper size
  .defaultpapersize {
     statusdict /.pagetypeprocs get 1 index known {
       systemdict exch /DEFAULTPAPERSIZE exch put
     } {
       QUIET {
         pop
       } {
         (Unknown .defaultpapersize: ) print ==only (.) =
       } ifelse
     } ifelse
  } if
} if
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.
  statusdict /.pagetypeprocs get PAPERSIZE .knownget {
    dup 0 get /DEVICEWIDTHPOINTS exch def
    1 get /DEVICEHEIGHTPOINTS exch def
  } {
    (Unknown paper size: ) print PAPERSIZE ==only (.) =
  } ifelse
} 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 } { 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 exec } ifelse {
  (%stderr) (w) file dup
  (**** Unable to open the initial device, quitting.\n) writestring
  flushfile
  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 /..StartupGlobal //true .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
.actonuel % UEL is <esc>%-12345X and acts the same as ^D
{systemdict (.forceinterp_exit) cvn known {//true} {//false} ifelse}
{//false} ifelse

{
  {
    currentfile (%-12345X) .peekstring pop (%-12345X) eq
    { currentfile .forceinterp_exit } if
  }
}
{
  {currentfile (%-12345X) .peekstring pop (%-12345X) eq <04> cvn load if}
} ifelse 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
systemdict /EPSBoundingBoxInit .forceundef

%% ---------------- SAFER stuff BEGIN -------------------%%
% 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 noaccess put
readonly def
.setglobal

/tempfilepaths
[
  (TMPDIR) getenv not
  {
    (TEMP) getenv not
    {
      (TMP) getenv not
      {
        (/temp) (/tmp)
      } if
    } if
  } if
] def

/.locksafe_userparams {
  SAFETY /safe get not {
    <<
      /PermitFileReading [
        currentuserparams /PermitFileReading get aload pop
        //tempfilepaths (*) .generate_dir_list_templates
        /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
        currentuserparams /ICCProfilesDir known {
          [currentuserparams /ICCProfilesDir get] (*)
          .generate_dir_list_templates
        } if
      ]
      /PermitFileWriting [
          currentuserparams /PermitFileWriting get aload pop
          //tempfilepaths (*) .generate_dir_list_templates
      ]
      /PermitFileControl [
          currentuserparams /PermitFileControl get aload pop
          //tempfilepaths (*) .generate_dir_list_templates
      ]
      /LockFilePermissions //true
    >> setuserparams
  }
  if
} .bind executeonly def

currentdict /tempfilepaths undef

%% --- These are documented extensions ---
/.locksafe {
  //.locksafe_userparams exec
  //systemdict /getenv {pop //false} .forceput
  % 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
%% --- End documented extensions ---

% This is only used during startup. Its required so that
% we can detect in setpagdevice that we are in fact in startup
% and allocate a *global* instead of local VM. We need it to be
% global to satisfy Display PostScript (see start of /setpagdevice
% in gs_setpd.ps)
%
/.locksafeglobal {
  //.locksafe_userparams exec
  systemdict /getenv {pop //false} put
  % 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
    /..StartupGlobal //true
  >> setpagedevice
  setglobal
  //SAFETY /safe //true .forceput % overrides readonly
} .bind def

% See /.locksafeglobal above.
%
/.setsafeglobal {
  SAFETY /safe get not {
    <<
      /PermitFileReading [ ]
      /PermitFileWriting [ ]
      /PermitFileControl [ ]
    >> setuserparams
  }
  if
  //.locksafeglobal exec
} .bind def

% If we are running in SAFER mode, lock things down
SAFER { .setsafeglobal } if
currentdict /.locksafe_userparams .undef
currentdict /.setsafeglobal .undef
currentdict /.locksafeglobal .undef

SAFER {
/SAFERUndefinePostScriptOperators {
  [
  % Used by our own test suite files
  /.pushpdf14devicefilter    % transparency-example.ps
  /.poppdf14devicefilter     % transparency-example.ps
  /.setopacityalpha          % transparency-example.ps
  /.setshapealpha            % transparency-example.ps
  /.endtransparencygroup     % transparency-example.ps
  /.setdotlength             % Bug687720.ps
  /.sort /.setdebug /.mementolistnewblocks /getenv
  /unread
  ]
  {systemdict exch .forceundef} forall

//systemdict /SAFERUndefinePostScriptOperators .forceundef
} .bind executeonly def % must be bound and hidden for .forceundef
} if

%% ---------------- SAFER stuff END -------------------%%

/UndefinePostScriptOperators {
  % This list is of operators which no longer appear to be used, and which we do not believe
  % to have any real use. For now we will undefine the operstors so they cannot easily be used
  % but can be easily restored (just delete the name from the list in the array). In future
  % we may remove the operator and the code implementation entirely.
  [
  /.bitadd /.charboxpath /.cond /.runandhide /.popdevicefilter
  /.execfile /.filenamesplit /.file_name_parent
  /.setdefaultmatrix /.isprocfilter /.unread /.psstringencode
  /.buildsampledfunction /.isencapfunction /.currentaccuratecurves /.currentcurvejoin /.currentdashadapt /.currentdotlength
  /.currentlimitclamp /.dotorientation /.setaccuratecurves /.setcurvejoin /.setdashadapt /.setdotorientation
  /.setlimitclamp /.currentscreenlevels /.dashpath /.pathbbox /.identeq /.identne /.tokenexec /.forgetsave /.pantonecallback

% Used by our own test suite files
  %/.setdotlength % Bug687720.ps
  ]
  {systemdict exch .forceundef} forall

% This list of operators are used internally by various parts of the Ghostscript startup code.
  % Since each operator is a potential security vulnerability, and any operator listed here
  % is not required once the initialisation is complete and functions are bound, we undefine
  % the ones that aren't needed at runtime.
  [
  /.callinstall /.callbeginpage /.callendpage
  /.currentstackprotect /.setstackprotect /.errorexec /.finderrorobject /.installsystemnames /.bosobject /.fontbbox
  /.type1execchar /.type2execchar /.type42execchar /.setweightvector /.getuseciecolor /processcolors /.includecolorspace
  /.execn /.instopped /.stop /.stopped /.setcolorrendering /.setdevicecolorrendering /.buildcolorrendering1 /.builddevicecolorrendering1
  /.TransformPQR_scale_WB0 /.TransformPQR_scale_WB1 /.TransformPQR_scale_WB2 /.currentoverprintmode /.copydevice2
  /.devicename /.doneshowpage /.getbitsrect /.getdevice /.getdefaultdevice /.getdeviceparams /.gethardwareparams
  /makewordimagedevice /.outputpage /.putdeviceparams /.setdevice /.currentshowpagecount
  /.setpagedevice /.currentpagedevice /.knownundef /.setmaxlength /.rectappend /.initialize_dsc_parser /.parse_dsc_comments
  /.fillCIDMap /.fillIdentityCIDMap /.buildcmap /.filenamelistseparator /.libfile /.getfilename
  /.file_name_combine /.file_name_is_absolute /.file_name_separator /.file_name_directory_separator /.file_name_current /.filename
  /.peekstring /.writecvp /.subfiledecode /.setupUnicodeDecoder /.jbig2makeglobalctx /.registerfont /.parsecff
  /.getshowoperator /.getnativefonts /.beginform /.endform /.get_form_id /.repeatform /.reusablestream /.rsdparams
  /.buildfunction /.sethpglpathmode /.currenthpglpathmode
  /.currenthalftone /.sethalftone5 /.image1 /.imagemask1 /.image3 /.image4
  /.getiodevice /.getdevparms /.putdevparams /.bbox_transform /.matchmedia /.matchpagesize /.defaultpapersize
  /.oserrno /.setoserrno /.oserrorstring /.getCPSImode
  /.getscanconverter /.setscanconverter /.type1encrypt /.type1decrypt/.languagelevel /.setlanguagelevel /.eqproc /.fillpage
  /.saslprep
  /.shfill /.argindex /.bytestring /.namestring /.stringbreak /.stringmatch /.globalvmarray /.globalvmdict /.globalvmpackedarray /.globalvmstring
  /.localvmarray /.localvmdict /.localvmpackedarray /.localvmstring /.systemvmarray /.systemvmdict /.systemvmpackedarray /.systemvmstring /.systemvmfile /.systemvmlibfile
  /.systemvmSFD /.settrapparams /.currentsystemparams /.currentuserparams /.getsystemparam /.getuserparam /.setsystemparams /.setuserparams
  /.checkpassword /.locale_to_utf8 /.currentglobal /.gcheck /.imagepath /.currentoutputdevice
  /.type /.writecvs /.setSMask /.currentSMask /.needinput /.countexecstack /.execstack /.applypolicies
  /filterdict /.cidfonttypes /.colorrenderingtypes
  /.formtypes /.halftonetypes /.imagetypes /.imagemasktypes
  /.patterntypes /.shadingtypes /.wheredict /.renderingintentdict
  /.currentmatrix /.setmatrix
  /.setlinecap  /.setlinejoin  /.sizeimagebox  /.systemvmcheck
  /.forceinterp_exit /.actonuel
  /.init_otto_font_file
  /.composefontdict
  /.type1build
  /.origdefinefont /.origundefinefont /.origfindfont
  /.buildnativefontmap
  /.completefont
  /.definefakefonts
  /.fontnameproperties
  /.growfontdict
  /.substitutefont /.substitutefontname
  /.FontDirectory
  /.charkeys
  /.makesfnts
  /.pickcmap
  /.loadttcidfont
  /.loadpdfttfont
  /obind
  /odef
  /.packtomark
  /.putdeviceprops
  /.growdict /.growdictlength
  /.userdict /.uservar
  /.getdefaulthalftone
  /.registererror
  /.PurgeDict
  /.runresource
  /.numicc_components
  /.set_outputintent
  /.internalstopped
  /.generate_dir_list_templates /.generate_dir_list_templates_with_length
  /.type11mapcid /.type9mapcid
  /.clearerror
  /.beginpage /.endpage
  /.getpath
  /.confirm /.confirmread

% Used by a free user in the Library of Congress. Apparently this is used to
  % draw a partial page, which is then filled in by the results of a barcode
  % scanner and SQL database lookup. Its not clear to us exactly why this needs to be
  % done as a partial page, but its easiest to restore the operator, and it seems like
  % its a reasonably safe operator to restore, for the *very* few devices on which
  % it will have any effect. Currently this uses the 'sync_output' device method
  % to transfer the partial page, in future we may use a spec_op instead.
  %/flushpage

% Used by our own test suite files
  %/.fileposition %image-qa.ps

% Either our code uses these in ways which mean they can't be undefined, or they are used directly by
  % test files/utilities, or engineers expressed a desire to keep them visible.
  %
  %/currentdevice /.sort /.buildfont0 /.buildfont1 /.buildfont2 /.buildfont3 /.buildfont4 /.buildfont9 /.buildfont10 /.buildfont11
  %/.buildfont32 /.buildfont42 /.swapcolors
  %/currentdevice  /.quit /.setuseciecolor /.needinput /.setoverprintmode /.special_op /.dicttomark /.knownget
  %/.FAPIBuildGlyph /.FAPIBuildChar /.FAPIBuildGlyph9
  %/.tempfile /.max /.min /.setglobal
  %/.setdebug /.mementolistnewblocks /getenv
  ]
  {systemdict exch .forceundef} forall

% level 2 operators, undefine from both systemdict and level2dict
  [
      /.execform1
      /.getdevparams
      /.setuserparams2
      /.startjob
      /.checkFilePermitparams
      /.copyparam
      /.setdevicecolorrendering1
      /.buildpattern1
      /.findcategory
      /.execinstall
      /.findfontop

% Couldn't figure out how to do these yet
%      /.checkparamtype
%      /.startnewjob
  ]
  dup {level2dict exch .forceundef} forall
  {systemdict exch .forceundef} forall

% undef stuff from statusdict
  [
%      /.setpagesize
  ]
  {statusdict exch .forceundef} forall

//systemdict /UndefinePostScriptOperators .forceundef
} .bind executeonly def % must be bound and hidden for .forceundef

% Undefine operators that are used by PDF internally.
% This list is maintained in pdf_main.ps
/UndefinePDFOperators {
  .PDF_UNDEF_OPLIST
  {//systemdict exch .forceundef} forall
  //systemdict /.PDF_UNDEF_OPLIST .forceundef
  //systemdict /UndefinePDFOperators .forceundef
} .bind def

% 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
  SAFER {
    //systemdict /SAFERUndefinePostScriptOperators get exec
  } if
  //systemdict /UndefinePostScriptOperators get exec
  //systemdict /UndefinePDFOperators get exec
  //systemdict /.forcecopynew .forceundef	% remove temptation
  //systemdict /.forceput .forceundef		% ditto
  //systemdict /.undef .forceundef		    % ditto
  //systemdict /.bindoperators .forceundef
  //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
  } executeonly 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
     currentdict exch /userparams exch .forceput		% systemdict is read-only
  .setglobal
} executeonly if
/.currentsystemparams where {
  pop
        % Remove real system params from pssystemparams.
  mark .currentsystemparams counttomark 2 idiv {
    pop pssystemparams exch .forceundef
  } executeonly 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

% Add the fake fonts to LocalFontDirectory.
//.definefakefonts exec	% current VM is local

% Execute scheduled inits :
1183615869 internaldict /.execute_scheduled_inits get exec
currentdict /.schedule_init undef
%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

% If we are using DELAYBIND we have to defer the undefinition
% until .bindnow.
DELAYBIND not {
  SAFER {
    //systemdict /SAFERUndefinePostScriptOperators get exec
  } if
  //systemdict /UndefinePostScriptOperators get exec
  //systemdict /UndefinePDFOperators .forceundef
} if
end

% Clean up VM, and enable GC. Use .vmreclaim to force the GC.
/vmreclaim where
 { pop NOGC not { 2 .vmreclaim 0 vmreclaim } if
 } if
systemdict /.vmreclaim .undef
level2dict /.vmreclaim .undef

% Do this before systemdict is locked (see below for additional CETMODE setup using gs_cet.ps)
systemdict /CETMODE .knownget {
  {
    (gs_cet.ps) runlibfile
  } if
} if
systemdict /.makeoperator .undef	% must be after gs_cet.ps
systemdict /.setCPSImode .undef		% must be after gs_cet.ps

DELAYBIND not {
  systemdict /.bindnow .undef       % We only need this for DELAYBIND
  systemdict /.forcecopynew .undef	% remove temptation
  systemdict /.forceput .undef		% ditto
  systemdict /.forceundef .undef	% ditto
} if

% Can't remove this one until the last minute :-)
DELAYBIND not {
systemdict /.undef .undef
} if

WRITESYSTEMDICT {
   SAFER {
       (\n *** WARNING - you have selected SAFER, indicating you want Ghostscript\n) print
       (               to execute in a safer environment, but at the same time\n) print
       (               have selected WRITESYSTEMDICT. Unless you use this option with\n) print
       (               care and specifically, remember to execute code like:\n) print
       (                      "systemdict readonly pop"\n) print
       (               it is possible that malicious code may be able to evade the\n) print
       (               limited security offered by the SAFER option.\n) print
   }if
}
{
     systemdict readonly pop
} ifelse

(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

.opvpactivatepathcontrol

% The interpreter will run the initial procedure (start).

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