diff options
Diffstat (limited to 'Master/xemtex/gslib/gs_init.ps')
-rw-r--r-- | Master/xemtex/gslib/gs_init.ps | 1885 |
1 files changed, 0 insertions, 1885 deletions
diff --git a/Master/xemtex/gslib/gs_init.ps b/Master/xemtex/gslib/gs_init.ps deleted file mode 100644 index b8938dd0750..00000000000 --- a/Master/xemtex/gslib/gs_init.ps +++ /dev/null @@ -1,1885 +0,0 @@ -% (C) 1989, 2000 Aladdin Enterprises. All rights reserved. -% -% This program is free software; you can redistribute it and/or modify it -% under the terms of the GNU General Public License as published by the -% Free Software Foundation; either version 2 of the License, or (at your -% option) any later version. -% -% This program is distributed in the hope that it will be useful, but -% WITHOUT ANY WARRANTY; without even the implied warranty of -% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General -% Public License for more details. -% -% You should have received a copy of the GNU General Public License along -% with this program; if not, write to the Free Software Foundation, Inc., -% 59 Temple Place, Suite 330, Boston, MA, 02111-1307. - -% $Id: gs_init.ps,v 1.40.2.12.2.3 2003/04/12 14:02:38 giles Exp $ -% Initialization file for the interpreter. -% When this is run, systemdict is still writable. - -% Comment lines of the form -% %% Replace <n> <file(s)> -% indicate places where the next <n> lines should be replaced by -% the contents of <file(s)>, when creating a single merged init file. - -% The interpreter can call out to PostScript code. All procedures -% called in this way, and no other procedures defined in these -% initialization files, have names that begin with %, e.g., -% (%Type1BuildChar) cvn. - -% Check the interpreter revision. NOTE: the interpreter code requires -% that the first non-comment token in this file be an integer. -707 -dup revision ne - { (gs: Interpreter revision \() print revision 10 string cvs print - (\) does not match gs_init.ps revision \() print 10 string cvs print - (\).\n) print flush null 1 .quit - } -if pop - -% Acquire userdict, and set its length if necessary. -/userdict where - { pop userdict maxlength 0 eq } - { true } -ifelse -systemdict exch - { % userdict wasn't already set up by iinit.c. - dup /userdict - currentdict dup 200 .setmaxlength % userdict - .forceput % userdict is local, systemdict is global - } -if begin - -% Define dummy local/global operators if needed. -systemdict /.setglobal known - { true .setglobal - } - { /.setglobal { pop } bind def - /.currentglobal { false } bind def - /.gcheck { pop false } bind def - } -ifelse - -% Define .languagelevel if needed. -systemdict /.languagelevel known not { /.languagelevel 1 def } if - -% Optionally choose a default paper size other than U.S. letter. -% (a4) /PAPERSIZE where { pop pop } { /PAPERSIZE exch def } ifelse - -% 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 - /VMDEBUG - DEBUG {{print mark - systemdict /level2dict known - { .currentglobal dup false .setglobal vmstatus - true .setglobal vmstatus 3 -1 roll pop - 6 -2 roll pop .setglobal - } - { vmstatus 3 -1 roll pop - } - ifelse usertime 16#fffff and counttomark - { ( ) print ( ) cvs print } - repeat pop - ( ) print systemdict length ( ) cvs print - ( ) print countdictstack ( ) cvs print - ( <) print count ( ) cvs print (>\n) print flush - }} - {{pop - }} - ifelse - def - -currentdict /BATCH known /BATCH exch def -currentdict /DELAYBIND known /DELAYBIND exch def -currentdict /DISKFONTS known /DISKFONTS exch def -currentdict /DOINTERPOLATE .knownget { /INTERPOLATE exch def } if -currentdict /ESTACKPRINT known /ESTACKPRINT exch def -currentdict /FAKEFONTS known /FAKEFONTS exch def -currentdict /FIXEDMEDIA known /FIXEDMEDIA exch def -currentdict /FIXEDRESOLUTION known /FIXEDRESOLUTION exch def -currentdict /LOCALFONTS known /LOCALFONTS exch def -currentdict /NOBIND known /NOBIND exch def -/.bind /bind load def -NOBIND { /bind { } def } if -currentdict /NOCACHE known /NOCACHE exch def -currentdict /NOCCFONTS known /NOCCFONTS exch def -currentdict /NOCIE known /NOCIE exch def -currentdict /NODISPLAY known not /DISPLAYING exch def -currentdict /NOFONTMAP known /NOFONTMAP exch def -currentdict /NOCIDFONTMAP known /NOCIDFONTMAP exch def -currentdict /NOFONTPATH known /NOFONTPATH exch def -currentdict /NOGC known /NOGC exch def -currentdict /NOINTERPOLATE .knownget { /INTERPOLATE exch not def } if -currentdict /NOPAGEPROMPT known /NOPAGEPROMPT exch def -currentdict /NOPAUSE known /NOPAUSE exch def -currentdict /NOPLATFONTS known /NOPLATFONTS exch def -currentdict /NOPROMPT known /NOPROMPT 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 -currentdict /PARANOIDSAFER known /PARANOIDSAFER exch def -/SAFER currentdict /NOSAFER known { - false -} { - currentdict /SAFER known PARANOIDSAFER or -} -ifelse def -currentdict /SHORTERRORS known /SHORTERRORS exch def -currentdict /STRICT known /STRICT exch def -currentdict /TTYPAUSE known /TTYPAUSE exch def -currentdict /WRITESYSTEMDICT known /WRITESYSTEMDICT exch def - -% Acquire environment variables. -currentdict /DEVICE known not - { (GS_DEVICE) getenv { /DEVICE exch def } if } if - -(START) VMDEBUG - -% Open the standard files, so they will be open at the outermost save level. -(%stdin) (r) file pop -(%stdout) (w) file pop -(%stderr) (w) file pop - -/.currentuserparams where { - pop mark - % The Adobe implementations appear to have very large maximum - % stack sizes. This turns out to actually make a difference, - % since some badly-behaved files include extremely long procedures, - % or construct huge arrays on the operand stack. - % We reset the stack sizes now so that we don't have to worry - % about overflowing the (rather small) built-in stack sizes - % during initialization. - /MaxDictStack 500 - /MaxExecStack 5000 - /MaxOpStack 50000 - .dicttomark .setuserparams -} if - -% Define a procedure for skipping over an unneeded section of code. -% This avoids allocating space for the skipped procedures. -% We can't use readline, because that imposes a line length limit. -/.skipeof % <string> .skipeof - - { currentfile exch 1 exch .subfiledecode flushfile - } .bind def - -% Define procedures to assist users who don't read the documentation. -userdict begin -/help - { (Enter PostScript commands. '(filename) run' runs a file, 'quit' exits.\n) - print flush - } .bind def -end - -% Define =string, which is used by some PostScript programs even though -% it isn't documented anywhere. -% Put it in userdict so that each context can have its own copy. -userdict /=string 256 string put - -% Print the greeting. - -/printgreeting - { mark - product (Ghostscript) search - { pop pop pop - (This software comes with NO WARRANTY: see the file PUBLIC for details.\n) - } - { pop - } - ifelse - (\n) copyright - (\)\n) revisiondate 10 mod revisiondate 10 idiv 10 mod (-) - revisiondate 100 idiv 10 mod revisiondate 1000 idiv 10 mod (-) - revisiondate 10000 idiv ( \() - revision 10 mod - revision 100 mod 10 idiv (.) - revision 100 idiv ( ) - product - counttomark - { (%stdout) (w) file exch 0 .writecvp - } repeat pop - } .bind def - -QUIET not { printgreeting flush } if - -% Define a special version of def for making operator procedures. -/obind { % <name> <proc> obind <name> <oper> - 1 index exch .makeoperator -} .bind def -/odef { % <name> <proc> odef - - 1 index exch .makeoperator def -} .bind def - -% Define a special version of def for storing local objects into global -% dictionaries. Like .forceput, this exists only during initialization. -/.forcedef { % <key> <value> .forcedef - - currentdict 3 1 roll .forceput -} .bind odef - -% Define procedures for accessing variables in systemdict and userdict -% regardless of the contents of the dictionary stack. -/.systemvar { % <name> .systemvar <value> - //systemdict exch get -} .bind odef -/.userdict { % - .userdict <dict> - /userdict .systemvar -} .bind odef -/.uservar { % <name> .uservar <value> - .userdict exch get -} .bind odef - -% If we're delaying binding, remember everything that needs to be bound later. -DELAYBIND NOBIND not and - { .currentglobal false .setglobal - systemdict /.delaybind 1500 array .forceput - .setglobal - userdict /.delaycount 0 put - % When we've done the delayed bind, we want to stop saving. - % Detect this by the disappearance of .delaybind. - /bind - { /.delaybind .systemvar dup length 0 ne - { .delaycount 2 index put - .userdict /.delaycount .delaycount 1 add put - } - { pop .bind - } - ifelse - } .bind def - } if - -%**************** BACKWARD COMPATIBILITY **************** -/hwsizedict mark /HWSize null .dicttomark readonly def -/copyscanlines { % <device> <y> <string> copyscanlines <substr> - 0 3 1 roll 3 index //hwsizedict .getdeviceparams - exch pop exch pop aload pop 3 2 roll - 0 exch null exch .getbitsrect exch pop -} bind odef -currentdict /hwsizedict .undef -/getdeviceprops - { null .getdeviceparams - } bind odef -/.putdeviceprops - { null true counttomark 1 add 3 roll .putdeviceparams - dup type /booleantype ne - { dup mark eq { /unknown /rangecheck } if - counttomark 4 add 1 roll cleartomark pop pop pop - /.putdeviceprops load exch signalerror - } - if - } bind odef -/.currentfilladjust { .currentfilladjust2 pop } bind odef -/.setfilladjust { dup .setfilladjust2 } bind odef -/.writecvs { 0 .writecvp } bind odef -%**************** DEPRECATED PROCEDURES **************** -%**************** DO NOT USE THESE IN NEW CODE **************** -/max { .max } bind def % use .max instead -/min { .min } bind def % use .min instead -/unread /.unread load def % use .peekstring instead -%**************** END OF BACKWARD COMPATIBILITY SECTION **************** - -% Define predefined procedures substituting for operators, -% in alphabetical order. - -userdict /#copies 1 put -% Adobe implementations don't accept /[ or /], so we don't either. -([) cvn - /mark load def -(]) cvn - {counttomark array astore exch pop} odef -% .beginpage is redefined if setpagedevice is present. -/.beginpage { } odef -% In LanguageLevel 3, copypage erases the page. -/copypage { - .languagelevel 3 ge - dup { 0 } { 1 } ifelse .endpage { - .currentnumcopies 1 index .outputpage - (>>copypage, press <return> to continue<<\n) .confirm - dup { erasepage } if - } if pop .beginpage -} odef -/currentmatrix { - .currentmatrix 6 index astore pop -} odef -% .currentnumcopies is redefined in Level 2. -/.currentnumcopies { #copies } odef -/setcolorscreen where { pop % not in all Level 1 configurations - /currentcolorscreen - { .currenthalftone - { { 60 exch 0 exch 3 copy 6 copy } % halftone - not possible - { 3 copy 6 copy } % screen - { } % colorscreen - } - exch get exec - } odef -} if -/currentscreen - { .currenthalftone - { { 60 exch 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 { - % Rebind .currentresourcefile if it is the source for the eexec. - dup 55665 //filterdict /eexecDecode get exec - cvx exch .currentresourcefile eq - //systemdict begin { {exec} .execasresource } { exec } ifelse - % Only pop systemdict if it is still the top element, - % because this is apparently what Adobe interpreters do. - currentdict //systemdict eq { end } if -} odef -% .endpage is redefined if setpagedevice is present. -/.endpage { 2 ne } odef -% erasepage mustn't use gsave/grestore, because we call it before -% the graphics state stack has been fully initialized. -/erasepage - { /currentcolor where - { pop currentcolor currentcolorspace { setcolorspace setcolor } } - { /currentcmykcolor where - { pop currentcmykcolor { setcmykcolor } } - { currentrgbcolor { setrgbcolor } } - ifelse - } - ifelse 1 setgray .fillpage exec - } odef -% To satisfy the Genoa FTS, executive must be a procedure, not an operator. -/executive - { { prompt - { (%statementedit) (r) file } stopped - { pop pop $error /errorname get /undefinedfilename eq - { .clearerror exit } if % EOF - handleerror null % ioerror?? - } - if - cvx { .runexec } execute - } loop - } bind def -/filter - { //filterdict 1 index .knownget - { exch pop exec } - { /filter load /undefined signalerror } - ifelse - } odef -/handleerror - { /errordict .systemvar /handleerror get exec } bind def -/identmatrix [1.0 0.0 0.0 1.0 0.0 0.0] readonly def -/identmatrix - { dup 0 //identmatrix putinterval } odef -/languagelevel 1 def % gs_lev2.ps may change this -/makeimagedevice { false makewordimagedevice } odef -/matrix { 6 array identmatrix } odef -/pathbbox - { false .pathbbox - } odef -% .promptmsg is redefined if the interpreter includes readline support. -/.promptmsg { - (GS) print - count 0 ne { (<) print count =only } if - (>) print flush -} bind def -/prompt { flush flushpage NOPROMPT not { .promptmsg } if } bind def -/pstack { 0 1 count 3 sub { index == } for } bind def -/putdeviceprops - { .putdeviceprops { erasepage } if } odef -/quit { /quit load 0 .quit } odef -/run { dup type /filetype ne { (r) file } if - % We must close the file when execution terminates, - % regardless of the state of the stack, - % and then propagate an error, if any. - cvx .runexec - } odef -% Execute a file. -% Level 2 uses 2 .stop to clear the e-stack for a successful startjob: -% we detect that here, since we need to handle this even if we start out -% without job control in effect. -% -% What we push on the e-stack is the following to be executed in this order: -% <lit-file|fileproc> .runexec1 <lit-file|fileproc> .runexec2 -/.runexec1 { % <file|fileproc> .runexec1 - - dup type /filetype ne { cvx exec } if - cvx null 2 .stopped - % If we got back here from a startjob, just keep going. - % startjob replaces the null on the o-stack with a procedure - % to be executed when we get back here. - dup null ne { exec true } { pop false } ifelse -} bind def -/.runexec2 { % <continue> <file|fileproc> .runexec2 - - exch { - .runexec - } { - dup type /filetype ne { cvx exec } if - closefile - } ifelse -} bind def -/.runexec { % <file|fileproc> .runexec - - cvlit /.runexec1 cvx 1 index /.runexec2 cvx 4 .execn -} bind def -% The following is only for compatibility with Adobe interpreters. -/setdash { - 1 index length 11 gt { /setdash load /limitcheck signalerror } if - //setdash -} odef -/setdevice - { .setdevice { erasepage } if } odef -/setlinecap { - dup 2 gt { /setlinecap load /rangecheck signalerror } if - .setlinecap -} odef -/setlinejoin { - dup 2 gt { /setlinejoin load /rangecheck signalerror } if - .setlinejoin -} odef -/setmatrix { - dup aload pop .setmatrix pop -} odef -/showpage { - 0 .endpage .doneshowpage { - .currentnumcopies true .outputpage - (>>showpage, press <return> to continue<<\n) .confirm - erasepage - } if initgraphics .beginpage -} odef -% Code output by Adobe Illustrator relies on the fact that -% `stack' is a procedure, not an operator!!! -/stack { 0 1 count 3 sub { index = } for } bind def -/start { BATCH { null 0 .quit } { executive } ifelse } def -% Internal uses of stopped that aren't going to do a stop if an error occurs -% should use .internalstopped to avoid setting newerror et al. -/.internalstopped { null 1 .stopped null ne } bind def -/store { % Don't alter operands before completing. - 1 index 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 index .knownget { exec } { .where } ifelse -} odef - -% internaldict is defined in systemdict, but the dictionary is allocated -% in local VM. However, the procedure must be global, since it is an -% "operator" and must be bind-able into global procedures. -% We make a procedure for creating it, since we must create a new one -% for each context with private local VM. -/.makeinternaldict { - .currentglobal true .setglobal - [ /dup .systemvar 1183615869 /eq .systemvar - [ /pop .systemvar null ] cvx - false .setglobal - dup 1 10 dict .forceput % proc is global, dict is local - true .setglobal - [ /internaldict /cvx .systemvar /invalidaccess /signalerror cvx ] cvx - /ifelse .systemvar - ] cvx executeonly - exch .setglobal -} odef -systemdict /internaldict dup .makeinternaldict .makeoperator -.forceput % proc is local, systemdict is global -% Move superexec to internaldict if superexec is defined. -currentdict /superexec .knownget { - 1183615869 internaldict /superexec 3 -1 roll put - currentdict /superexec .undef -} if - -% Define some additional built-in procedures (beyond the ones defined by -% the PostScript Language Reference Manual). -% Warning: these are not guaranteed to stay the same from one release -% to the next! -/concatstrings % (str1) (str2) concatstrings (str1str2) - { exch dup length 2 index length add string % str2 str1 new - dup dup 4 2 roll copy % str2 new new new1 - length 4 -1 roll putinterval - } bind def -/copyarray - { dup length array copy } bind def -% Copy a dictionary per the Level 2 spec even in Level 1. -/.copydict % <fromdict> <todict> .copydict <todict> - { dup 3 -1 roll { put dup } forall pop } bind def -/copystring - { dup length string copy } bind def -/findlibfile { - .libfile { dup .filename pop exch true } { false } ifelse -} odef -/.growdictlength % get size for growing a dictionary - { length 3 mul 2 idiv 1 add - } bind def -/.growdict % grow a dictionary - { dup .growdictlength .setmaxlength - } bind def -/.growput % put, grow the dictionary if needed - { 2 index length 3 index maxlength eq - { 3 copy pop known not { 2 index .growdict } if - } if - put - } bind def -% .localvmarray may be an operator: see zsysvm.c. -/.localvmarray where { - pop -} { - /.localvmarray { - .currentglobal false .setglobal - exch array exch .setglobal - } bind def -} ifelse -/.localvmdict where { - pop -} { - /.localvmdict { - .currentglobal false .setglobal - exch dict exch .setglobal - } bind def -} ifelse -/.packtomark - { counttomark packedarray exch pop } bind def -/ppstack - { 0 1 count 3 sub { index === } for } bind def -/runlibfile - { % We don't want to bind 'run' into this procedure, - % since run may get redefined. - findlibfile - { exch pop /run .systemvar exec } - { /undefinedfilename signalerror } - ifelse - } bind def -/selectdevice - { finddevice setdevice .setdefaultscreen } bind def -/signalerror % <object> <errorname> signalerror - - { /errordict .systemvar exch get exec } bind def - -% Define the =[only] procedures. Also define =print, -% which is used by some PostScript programs even though -% it isn't documented anywhere. -/write=only { - .writecvs -} bind def -/write= { - 1 index exch write=only (\n) writestring -} bind def -/=only { (%stdout) (w) file exch write=only } bind def -/= { =only (\n) print } bind def -/=print /=only load def -% Temporarily define == as = for the sake of runlibfile0. -/== /= load def - -% The following procedures are documented. -/copydevice { % <device> copydevice <newdevice> - false .copydevice2 -} odef -/finddevice { % <devicename> finddevice <device> - /devicedict .systemvar exch get - dup 1 get null eq { - % This is the first request for this type of device. - % Create a default instance now. - % Stack: [proto null] - .currentglobal true .setglobal exch - dup dup 0 get copydevice 1 exch put - exch .setglobal - } if 1 get -} bind def -/findprotodevice { % <devicename> findprotodevice <protodevice> - /devicedict .systemvar exch get 0 get -} bind def - -% Run a resource file. This allows us to distinguish resource objects -% from objects coming from input files. -userdict /.currentresourcefile null put -/.execasresource { % <file> <proc|runfile> .execasresource - - /stopped .systemvar - /.currentresourcefile .uservar - % Stack: file proc -stopped- currfile - .userdict /.currentresourcefile 5 index cvlit put - 2 .execn % stopped <file> - .userdict /.currentresourcefile 3 -1 roll put - { stop } if -} bind def -/.runresource { % <file> .runresource - - { /run .systemvar exec } .execasresource -} bind def - -% Define procedures for getting and setting the current device resolution. - -/gsgetdeviceprop % <device> <propname> gsgetdeviceprop <value> - { 2 copy mark exch null .dicttomark .getdeviceparams - dup mark eq % if true, not found - { pop dup /undefined signalerror } - { 5 1 roll pop pop pop pop } - ifelse - } bind def -/gscurrentresolution % - gscurrentresolution <[xres yres]> - { currentdevice /HWResolution gsgetdeviceprop - } bind def -/gssetresolution % <[xres yres]> gssetresolution - - { 2 array astore mark exch /HWResolution exch - currentdevice copydevice putdeviceprops setdevice - } bind def - -% Define auxiliary procedures needed for the above. -/shellarguments % -> shell_arguments true (or) false - { /ARGUMENTS where - { /ARGUMENTS get dup type /arraytype eq - { aload pop /ARGUMENTS null store true } - { pop false } - ifelse } - { false } ifelse - } bind def -/.confirm { - DISPLAYING NOPAUSE not TTYPAUSE or and { - % Print a message (unless NOPAGEPROMPT or NOPROMPT is true) - % and wait for the user to type something. - % If the user just types a newline, flush it. - NOPAGEPROMPT NOPROMPT or { pop } { print flush } ifelse - .confirmread - } { - pop - } ifelse -} bind def -/.confirmread { - TTYPAUSE { - (/dev/tty) (r) file dup read pop pop closefile - } { - .echo.mode false echo - (%stdin) (r) file dup read { - dup (\n) 0 get eq { pop pop } { unread } ifelse - } { - pop - } ifelse echo - } ifelse -} bind def - -% Define the procedure used by .runfile, .runstdin and .runstring -% for executing user input. -% This is called with a procedure or executable file on the operand stack. -/.execute { % <obj> .execute <stopped> - stopped $error /newerror get and - { handleerror flush true } { false } ifelse -} bind def -/execute { % <obj> execute - - .execute pop -} odef -% Define an execute analogue of runlibfile0. -/execute0 { % <obj> execute0 - - .execute { /execute0 cvx 1 .quit } if -} bind def -% Define the procedure that the C code uses for running files -% named on the command line. -/.runfile { - { runlibfile } execute0 -} def -% Define the procedure that the C code uses for running piped input. -% We don't use the obvious { (%stdin) run }, because we want the file to be -% reopened if a startjob does a restore. -/.runstdin { - { { (%stdin) (r) file cvx } .runexec } execute0 -} bind def -% Define the procedure that the C code uses for running commands -% given on the command line with -c. We turn the string into a file so that -% .runexec can do the right thing with a startjob. -/.runstring { - .currentglobal exch true .setglobal - 0 () .subfiledecode - exch .setglobal cvx { .runexec } execute0 -} bind def -% Define the procedure that the C code uses to set up for executing -% a string that may be received in pieces. -/.runstringbegin { - .currentglobal true .setglobal - { .needinput } bind 0 () .subfiledecode - exch .setglobal cvx .runexec -} bind def - -% Define a special version of runlibfile that aborts on errors. -/runlibfile0 - { cvlit 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 - { (While reading ) print .currentfilename print (:\n) print flush - handleerror /runlibfile0 1 .quit - } if - } bind def -% Temporarily substitute it for the real runlibfile. -/.runlibfile /runlibfile load def -/runlibfile /runlibfile0 load def - -% Create the error handling machinery. -% Define the standard error handlers. -% The interpreter has created the ErrorNames array. -/.unstoppederrorhandler % <command> <errorname> .unstoppederrorhandler - - { % This is the handler that gets used for recursive errors, - % or errors outside the scope of a 'stopped'. - 2 copy SHORTERRORS - { (%%[ Error: ) print =only flush - (; OffendingCommand: ) print =only ( ]%%) = - } - { (Unrecoverable error: ) print =only flush - ( in ) print = flush - count 2 gt - { (Operand stack:\n ) print - count 1 sub -1 2 { ( ) print index =only flush } for - () = flush - } if - } - ifelse - -1 0 1 //ErrorNames length 1 sub - { dup //ErrorNames exch get 3 index eq - { not exch pop exit } { pop } ifelse - } - for exch pop .quit - } bind def -/.errorhandler % <command> <errorname> .errorhandler - - { % Detect an internal 'stopped'. - 1 .instopped { null eq { pop pop stop } if } if - $error /.inerror get 1 .instopped { pop } { pop true } ifelse - { .unstoppederrorhandler - } if % detect error recursion - $error /globalmode .currentglobal false .setglobal put - $error /.inerror true put - $error /newerror true put - $error exch /errorname exch put - $error exch /command exch put - $error /recordstacks get $error /errorname get /VMerror ne and - { % Attempt to store the stack contents atomically. - count array astore dup $error /ostack 4 -1 roll - countexecstack array execstack $error /estack 3 -1 roll - countdictstack array dictstack $error /dstack 3 -1 roll - put put put aload pop - } - { $error /dstack .undef - $error /estack .undef - $error /ostack .undef - } - ifelse - $error /position currentfile status - { currentfile { fileposition } .internalstopped { pop null } if - } - { % If this was a scanner error, the file is no longer current, - % but the command holds the file, which may still be open. - $error /command get dup type /filetype eq - { { fileposition } .internalstopped { pop null } if } - { pop null } - ifelse - } - ifelse put - % During initialization, we don't reset the allocation - % mode on errors. - $error /globalmode get $error /.nosetlocal get and .setglobal - $error /.inerror false put - stop - } bind def -% Define the standard handleerror. We break out the printing procedure -% (.printerror) so that it can be extended for binary output -% if the Level 2 facilities are present. - /.printerror - { $error begin - /command load errorname SHORTERRORS - { (%%[ Error: ) print =only flush - (; OffendingCommand: ) print =only - errorinfo dup null eq { - pop - } { - (;\nErrorInfo:) print - dup type /arraytype eq - { { ( ) print =only } forall } - { ( ) print =only } - ifelse - } ifelse - ( ]%%) = flush - } - { (Error: ) print ==only flush - ( in ) print ==only flush - errorinfo dup null eq { - pop - } { - (\nAdditional information: ) print ==only flush - } ifelse - .printerror_long - } - ifelse - .clearerror - end - flush - } bind def - /.printerror_long % long error printout, - % $error is on the dict stack - { % Push the (anonymous) stack printing procedure. - % <heading> <==flag> <override-name> <stackname> proc - { - currentdict exch .knownget % stackname defined in $error? - { - 4 1 roll % stack: <stack> <head> <==flag> <over> - errordict exch .knownget % overridename defined? - { - exch pop exch pop exec % call override with <stack> - } - { - exch print exch % print heading. stack <==flag> <stack> - 1 index not { () = } if - { 1 index { (\n ) } { ( ) } ifelse print - dup type /dicttype eq - { - (--dict:) print - dup rcheck { - dup length =only (/) print dup maxlength =only - dup wcheck not { ((ro)) print } if - } if - /gcheck where { - pop gcheck { ((G)) } { ((L)) } ifelse print - } { - pop - } ifelse (--) print - } - { - dup type /stringtype eq 2 index or - { ==only } { =only } ifelse - } ifelse - } forall - pop - } - ifelse % overridden - } - { pop pop pop - } - ifelse % stack known - } - - (\nOperand stack:) OSTACKPRINT /.printostack /ostack 4 index exec - (\nExecution stack:) ESTACKPRINT /.printestack /estack 4 index exec - (\nBacktrace:) true /.printbacktrace /backtrace 4 index exec - (\nDictionary stack:) false /.printdstack /dstack 4 index exec - () = - pop % printing procedure - - errorname /VMerror eq - { (VM status:) print mark vmstatus - counttomark { ( ) print counttomark -1 roll dup =only } repeat - cleartomark () = - } if - - .languagelevel 2 ge - { (Current allocation mode is ) print - globalmode { (global\n) } { (local\n) } ifelse print - } if - - .oserrno dup 0 ne - { (Last OS error: ) print - errorname /VMerror ne - { dup .oserrorstring { = pop } { = } ifelse } - { = } - ifelse - } - { pop - } - ifelse - - position null ne - { (Current file position is ) print position = } - if - - } bind def -% Define a procedure for clearing the error indication. -/.clearerror - { $error /newerror false put - $error /errorname null put - $error /errorinfo null put - 0 .setoserrno - } bind def - -% Define $error. This must be in local VM. -.currentglobal false .setglobal -/$error 40 dict .forcedef % $error is local, systemdict is global - % newerror, errorname, command, errorinfo, - % ostack, estack, dstack, recordstacks, - % binary, globalmode, - % .inerror, .nosetlocal, position, - % plus extra space for badly designed error handers. -$error begin - /newerror false def - /recordstacks true def - /binary false def - /globalmode .currentglobal def - /.inerror false def - /.nosetlocal true def - /position null def -end -% Define errordict similarly. It has one entry per error name, -% plus handleerror. However, some astonishingly badly written PostScript -% files require it to have at least one empty slot. -/errordict ErrorNames length 2 add dict -.forcedef % errordict is local, systemdict is global -.setglobal % contents of errordict are global -errordict begin - ErrorNames - { mark 1 index systemdict /.errorhandler get /exec load .packtomark cvx def - } forall -% The handlers for interrupt and timeout are special; there is no -% 'current object', so they push their own name. - { /interrupt /timeout } - { mark 1 index dup systemdict /.errorhandler get /exec load .packtomark cvx def - } forall -/handleerror - { /.printerror .systemvar exec - } bind def -end - -% 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 - -(END PROCS) VMDEBUG - -% Define the font directory. -/FontDirectory false .setglobal 100 dict true .setglobal -.forcedef % FontDirectory is local, systemdict is global - -% Define the encoding dictionary. -/EncodingDirectory 16 dict def % enough for Level 2 + PDF standard encodings - -% Define .findencoding. (This is redefined in Level 2.) -/.findencoding - { //EncodingDirectory exch get exec - } bind def -/.defineencoding - { //EncodingDirectory 3 1 roll put - } bind def -% If we've got the composite font extensions, define findencoding. -% To satisfy the Genoa FTS, findencoding must be a procedure, not an operator. -/rootfont where { pop /findencoding { .findencoding } def } if - -% Define .registerencoding. -% NOTE: the name registeredencodings is known to (initialized by and shared -% with) the interpreter. -/.registerencoding { % <index> <array> .registerencoding - - % Check that the array is indexable. - % (It might still be a string, but then the .namestring will fail.) - dup 0 0 getinterval pop - % Check that all the elements of the array are names. - dup { .namestring pop } forall - % Do the store. - //registeredencodings 2 index 2 index readonly put pop pop -} bind odef -systemdict /registeredencodings .undef - -% Load StandardEncoding. -%% Replace 1 (gs_std_e.ps) -(gs_std_e.ps) dup runlibfile VMDEBUG - -% Load ISOLatin1Encoding. -%% Replace 1 (gs_il1_e.ps) -(gs_il1_e.ps) dup runlibfile VMDEBUG - -% Define stubs for the Symbol and Dingbats encodings. -% Note that the first element of the procedure must be the file name, -% since gs_lev2.ps extracts it to set up the Encoding resource category. - - /SymbolEncoding { /SymbolEncoding .findencoding } bind def -%% Replace 3 (gs_sym_e.ps) - EncodingDirectory /SymbolEncoding - { (gs_sym_e.ps) //systemdict begin runlibfile SymbolEncoding end } - bind put - - /DingbatsEncoding { /DingbatsEncoding .findencoding } bind def -%% Replace 3 (gs_dbt_e.ps) - EncodingDirectory /DingbatsEncoding - { (gs_dbt_e.ps) //systemdict begin runlibfile DingbatsEncoding end } - bind put - -(END FONTDIR/ENCS) VMDEBUG - -% Construct a dictionary of all available devices. -% These are (read-only) device prototypes that can't be -% installed or have their parameters changed. For this reason, -% the value in the dictionary is actually a 2-element writable array, -% to allow us to create a default instance of the prototype on demand. - - % Loop until the .getdevice gets a rangecheck. -errordict /rangecheck 2 copy get -errordict /rangecheck { pop stop } put % pop the command - 0 { {dup .getdevice exch 1 add} loop} .internalstopped pop - 1 add dict /devicedict 1 index def - begin % 2nd copy of count is on stack - { dup .devicename exch - dup wcheck { dup } { null } ifelse 2 array astore def - } repeat - end -put % errordict /rangecheck -.clearerror -/devicenames devicedict { pop } forall devicedict length packedarray def - -% Determine the default device. -/defaultdevice DISPLAYING - { systemdict /DEVICE .knownget - { devicedict 1 index known not - { (Unknown device: ) print = - flush /defaultdevice cvx 1 .quit - } - if - } - { 0 .getdevice .devicename - } - ifelse - } - { /nullpage - } -ifelse -/.defaultdevicename 1 index def -finddevice % make a copy -def -devicedict /Default devicedict .defaultdevicename get put - -(END DEVS) VMDEBUG - -% Define statusdict, for the benefit of programs -% that think they are running on a LaserWriter or similar printer. -%% Replace 1 (gs_statd.ps) -(gs_statd.ps) runlibfile - -(END STATD) VMDEBUG - -% Load the standard font environment. -%% Replace 1 (gs_fonts.ps) -(gs_fonts.ps) runlibfile - -(END GS_FONTS) VMDEBUG - -% Define the default halftone screen and BG/UCR functions now, so that -% it will bind in the original definitions of set[color]screen. -% We make this a procedure so we can call it again when switching devices. - -% Use an ordered dither for low-resolution devices. -/.setloreshalftone { % <dpi> .setloreshalftone - - % The following 'ordered dither' spot function was contributed by - % Gregg Townsend. Thanks, Gregg! - 16.001 div 0 % not 16: avoids rounding problems - { 1 add 7.9999 mul cvi exch 1 add 7.9999 mul cvi 16 mul add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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. -/.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 - % The following screen algorithm is used by permission of the author. - { 1 add 180 mul cos 1 0.08 add mul exch 2 add 180 mul cos - 1 0.08 sub mul add 2 div % (C) 1989 Berthold K.P. Horn - } - bind - % 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.) - currentdevice mark - /RedValues 0 /GreenValues 0 /BlueValues 0 /GrayValues 0 - .dicttomark .getdeviceparams - counttomark 2 idiv 1 sub { exch pop .min } 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 - % Stack: doscreen - { % Set the transfer function to lighten up the grays. - % We correct at the high end so that very light grays - % don't disappear completely if they darken <1 screen pixel. - % 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 dup dup 0.9375 gt exch 0.999 lt and % > 15/16 - { .currentscreenlevels 1 sub % tweak to avoid boundary - 1 exch div 1 exch sub .min - } - if - } - if - } - } - { % Set the transfer function to the identity. - 0 array cvx % Genoa CET won't accept a packed array! - } - ifelse settransfer - /setstrokeadjust where { pop false setstrokeadjust } if - % Increase fill adjustment so that we effectively use Adobe's - % any-part-of-pixel rule. - 0.5 .setfilladjust -} bind def -% Set the default screen and BG/UCR. -/.setdefaultbgucr { - systemdict /setblackgeneration known { - { pop 0 } dup setblackgeneration setundercolorremoval - } if -} bind def -/.useloresscreen { % - .useloresscreen <bool> - % Compute min(|dpi x|,|dpi y|) as the definition of the resolution. - 72 72 matrix defaultmatrix dtransform abs exch abs .min - dup 150 lt //systemdict /DITHERPPI known not and -} bind def - -% The following implementation uses LL2 extensions, but only in stopped -% contexts so that with LL1, the .set??reshalftone will be used. -% -% - .getdefaulthalftone <halftonedict> true if default found -% false -/.getdefaulthalftone { - % try the device to see if it has a default halftone - { currentdevice /HalftoneDefault gsgetdeviceprop } stopped - { 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 } stopped - { pop pop false } { true } ifelse - } - if -} bind def - -/.setdefaulthalftone { - .getdefaulthalftone - { sethalftone } - { % default not found - .useloresscreen { .setloreshalftone } { .sethireshalftone pop } ifelse - } - ifelse -} bind def - -/.setdefaultscreen { - .useloresscreen { .setloresscreen } { .sethiresscreen } ifelse - .setdefaultbgucr -} bind def - -% Load the initialization files for optional features. -%% Replace 4 INITFILES -systemdict /INITFILES known - { INITFILES { dup runlibfile VMDEBUG } forall - } -if - -% If Level 2 (or higher) functionality is implemented, enable it now. -/.setlanguagelevel where { - pop 2 .setlanguagelevel - % If the resource machinery is loaded, fix up some things now. - /.fixresources where { pop .fixresources } if -} if -/ll3dict where { - pop 3 .setlanguagelevel -} if - -(END INITFILES) VMDEBUG - -% Create a null font. This is the initial font. -8 dict dup begin - /FontMatrix [ 1 0 0 1 0 0 ] readonly def - /FontType 3 def - /FontName () def - /Encoding StandardEncoding def - /FontBBox { 0 0 0 0 } readonly def % executable is bogus, but customary ... - /BuildChar { pop pop 0 0 setcharwidth } bind def - /PaintType 0 def % shouldn't be needed! -end -/NullFont exch definefont setfont - -% Define NullFont as the font. -/NullFont currentfont def - -% Load initial fonts from FONTPATH directories, Fontmap file, -% and/or .getccfont as appropriate. -.loadinitialfonts - -% Remove NullFont from FontDirectory, so it can't be accessed by mistake. -/undefinefont where { - pop /NullFont undefinefont -} { - FontDirectory /NullFont .undef -} ifelse - -(END FONTS) VMDEBUG - -% Restore the real definition of runlibfile. -/runlibfile /.runlibfile load def -currentdict /.runlibfile .undef - -% Bind all the operators defined as procedures. -/.bindoperators % binds operators in currentdict - { % Temporarily disable the typecheck error. - errordict /typecheck 2 copy get - errordict /typecheck { pop } put % pop the command - currentdict - { dup type /operatortype eq - { % This might be a real operator, so bind might cause a typecheck, - % but we've made the error a no-op temporarily. - .bind % do a real bind even if NOBIND is set - } - if pop pop - } forall - put - } def -NOBIND DELAYBIND or not { .bindoperators } if - -% Establish a default environment. - -defaultdevice -% The following line used to skip setting of page size and resolution if -% NODISPLAY was selected. We think this was only to save time and memory, -% and it is a bad idea because it prevents setting the resolution in this -% situation, which pstoedit (among other programs) relies on. -%DISPLAYING not { setdevice (%END DISPLAYING) .skipeof } if -systemdict /DEVICEWIDTH known -systemdict /DEVICEHEIGHT known or -systemdict /DEVICEWIDTHPOINTS known or -systemdict /DEVICEHEIGHTPOINTS known or -systemdict /DEVICEXRESOLUTION known or -systemdict /DEVICEYRESOLUTION known or -systemdict /PAPERSIZE known or -not { (%END DEVICE) .skipeof } if -% Let DEVICE{WIDTH,HEIGHT}[POINTS] override PAPERSIZE. -systemdict /PAPERSIZE known -systemdict /DEVICEWIDTH known not and -systemdict /DEVICEHEIGHT known not and -systemdict /DEVICEWIDTHPOINTS known not and -systemdict /DEVICEHEIGHTPOINTS known not and - { % Convert the paper size to device dimensions. - true statusdict /.pagetypenames get - { PAPERSIZE eq - { PAPERSIZE load - dup 0 get /DEVICEWIDTHPOINTS exch def - 1 get /DEVICEHEIGHTPOINTS exch def - pop false exit - } - if - } - forall - { (Unknown paper size: ) print PAPERSIZE ==only (.) = - } - if - } -if -% Adjust the device parameters per the command line. -% It is possible to specify resolution, pixel size, and page size; -% since any two of these determine the third, conflicts are possible. -% We simply pass them to .setdeviceparams and let it sort things out. - mark /HWResolution null /HWSize null /PageSize null .dicttomark - .getdeviceparams .dicttomark begin - mark - % Check for resolution. - /DEVICEXRESOLUTION where dup - { exch pop HWResolution 0 DEVICEXRESOLUTION put } - if - /DEVICEYRESOLUTION where dup - { exch pop HWResolution 1 DEVICEYRESOLUTION put } - if - or { /HWResolution HWResolution } if - % Check for device sizes specified in pixels. - /DEVICEWIDTH where dup - { exch pop HWSize 0 DEVICEWIDTH put } - if - /DEVICEHEIGHT where dup - { exch pop HWSize 1 DEVICEHEIGHT put } - if - or { /HWSize HWSize } if - % Check for device sizes specified in points. - /DEVICEWIDTHPOINTS where dup - { exch pop PageSize 0 DEVICEWIDTHPOINTS put } - if - /DEVICEHEIGHTPOINTS where dup - { exch pop PageSize 1 DEVICEHEIGHTPOINTS put } - if - or { /PageSize PageSize } if - % Check whether any parameters were set. - dup mark eq { pop } { defaultdevice putdeviceprops } ifelse - end -%END DEVICE -% Set any device properties defined on the command line. -% If BufferSpace is defined but not MaxBitmap, set MaxBitmap to BufferSpace. -systemdict /BufferSpace known -systemdict /MaxBitmap known not and - { systemdict /MaxBitmap BufferSpace put - } if -dup getdeviceprops -counttomark 2 idiv - { systemdict 2 index known - { pop dup load counttomark 2 roll } - { pop pop } - ifelse - } repeat -counttomark dup 0 ne - { 2 add -1 roll putdeviceprops } - { pop pop } -ifelse -% If the initial device parameters are invalid, the setdevice may fail. -% Trap this and produce a reasonable error message. -{ setdevice } % does an erasepage -DEBUG { exec false } { .internalstopped } ifelse { - (**** Unable to open the initial device, quitting.) = flush 1 .quit -} if - -% If the media size is fixed, update the current page device dictionary. -FIXEDMEDIA -dup { pop systemdict /.currentpagedevice known } if -dup { pop .currentpagedevice exch pop } if -not { (%END MEDIA) .skipeof } if -currentpagedevice dup length dict .copydict -dup /Policies - % Stack: <pagedevice> <pagedevice> /Policies -1 index /InputAttributes -2 copy get dup length dict .copydict - % Stack: <pagedevice> <pagedevice> /Policies <pagedevice> - % /InputAttributes <inputattrs'> -dup 0 2 copy get dup length dict .copydict - % Stack: <pagedevice> <pagedevice> /Policies <pagedevice> - % /InputAttributes <inputattrs'> <inputattrs'> 0 <attrs0'> -dup /PageSize 7 index /PageSize get -put % PageSize in 0 -put % 0 in InputAttributes -put % InputAttributes in pagedevice -% Also change the page size policy so we don't get an error. - % Stack: <pagedevice> <pagedevice> /Policies -2 copy get dup length dict .copydict - % Stack: <pagedevice> <pagedevice> /Policies <policies'> -dup /PageSize 7 put % PageSize in Policies -put % Policies in pagedevice -.setpagedevice -%END MEDIA -%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 { } def % Apple job separator -<0404> cvn { } def % two of the same -<1b> cvn { } def % MS Windows LaserJet 4 prologue - % (UEL = ESC %-12345X) -<1b45> cvn { } def % PJL reset prologue (ESC E) -<1b451b> cvn { } def % PJL reset epilogue (ESC E + UEL) -<041b> cvn { } def % MS Windows LaserJet 4 epilogue (^D + UEL) -(\001M) cvn % TBCP initiator - { currentfile /TBCPDecode filter cvx exec - } bind def -/@PJL % H-P job control - { currentfile //=string readline { pop } if - } bind def - -% Install the EPS handler if needed -systemdict /EPSBoundingBoxInit known { EPSBoundingBoxInit } if - -% If we want a "safer" system, disable some obvious ways to cause havoc. -.currentglobal true .setglobal -/SAFETY 2 dict - dup /safe false put - dup /tempfiles 10 dict readonly put -readonly def -.setglobal - -% 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 - -/.locksafe { - SAFETY /safe get not { - << - /PermitFileReading [ - currentuserparams /PermitFileReading get aload pop - { .makepathtemplate - dup .filenamedirseparator concatstrings (*) concatstrings - exch % put string below this procedure - } - /LIBPATH .systemvar { 1 index exec } forall - /FONTPATH .systemvar { 1 index exec } forall - currentsystemparams /GenericResourceDir get 1 index exec - currentsystemparams /FontResourceDir get exch exec - ] - /LockFilePermissions true - >> setuserparams - } - if - % setpagedevice has the side effect of clearing the page, but - % we will just document that. Using setpagedevice keeps the device - % properties and pagedevice .LockSafetyParams in agreement even - % after a restore that changes the value to false. - currentglobal currentpagedevice gcheck setglobal % use correct VM space - << /.LockSafetyParams true >> setpagedevice - setglobal - //SAFETY /safe //true .forceput % overrides readonly -} .bind executeonly odef - -/.setsafe -{ - SAFETY /safe get not { - << - PARANOIDSAFER { % only PARANOIDSAFER locks down reading files - /PermitFileReading [ ] - } if - /PermitFileWriting [ ] - /PermitFileControl [ ] - >> setuserparams - } - if - .locksafe -} .bind executeonly odef - -/deletefile { - count 1 lt { - //deletefile /stackunderflow signalerror - } - if - dup { deletefile } stopped { - pop //deletefile $error /errorname get signalerror - } { - % deletefile succeeded. Remove from tempfile list if present - //SAFETY /tempfiles get exch cvn 2 copy known { - .forceundef - } { - pop pop - } - ifelse - } - ifelse -} .bind executeonly odef - -% If a file is opened with .tempfile with SAFER not (yet) set, -% the file can be deleted later, even if SAFER is set. -/.tempfile { - .tempfile % filename file - //SAFETY /tempfiles get 2 index true .forceput -} .bind executeonly odef - -% If we are running in SAFER mode, lock things down -SAFER { .setsafe } if - -% If we delayed binding, make it possible to do it later. -/.bindnow { - //systemdict begin .bindoperators end - % Temporarily disable the typecheck error. - errordict /typecheck 2 copy get - errordict /typecheck { pop } put % pop the command - 0 1 .delaycount 1 sub { .delaybind exch get .bind pop } for - //systemdict /.delaybind {} .forceput % reclaim the space - //systemdict /.bindnow .forceundef % ditto - put - //systemdict /.forcedef .forceundef % remove temptation - //systemdict /.forceput .forceundef % ditto - //systemdict /.forceundef .forceundef % ditto -} .bind odef - -% Turn off array packing, since some PostScript code assumes that -% procedures are writable. -false setpacking - -(END INIT) VMDEBUG - -/.currentuserparams where { - pop - % Remove real user params from psuserparams. - mark .currentuserparams counttomark 2 idiv { - pop psuserparams exch undef - } repeat pop - % Update the copy of the user parameters. - mark .currentuserparams counttomark 2 idiv { - userparams 3 1 roll .forceput % userparams is read-only - } repeat pop - % Turn on idiom recognition, if available. - currentuserparams /IdiomRecognition known { - /IdiomRecognition true .definepsuserparam - } if - psuserparams readonly pop - systemdict /.definepsuserparam undef - % Save a copy of userparams for use with save/restore - % (and, if implemented, context switching). - .currentglobal false .setglobal - mark userparams { } forall .dicttomark readonly - /userparams exch .forcedef % systemdict is read-only - .setglobal -} if -/.currentsystemparams where { - pop - % Remove real system params from pssystemparams. - mark .currentsystemparams counttomark 2 idiv { - pop pssystemparams exch .forceundef - } repeat pop -} if - -% Conditionally turn image interpolation on or off. -currentdict /INTERPOLATE known not { (%END INTERPOLATE) .skipeof } if - -/.interpolate { - dup /Interpolate .knownget not { //false } if - /INTERPOLATE .systemvar ne { - dup gcheck .currentglobal exch .setglobal - exch dup length dict copy - dup /Interpolate /INTERPOLATE .systemvar put - exch .setglobal - } if -} bind odef - -/colorimage - { /INTERPOLATE .systemvar - { .currentglobal % w h bit [] {}...{} multi ncomp glob - //false .setglobal - 9 dict begin % w h bit [] {}...{} multi ncomp glob - 2 index { 1 index 7 add } { 8 } ifelse - copy gsave pop % preserve the arguments - { 0 /DeviceGray 0 /DeviceRGB /DeviceCMYK } - 1 index get setcolorspace % ... glob w h bit [] {}...{} multi ncomp - {0 1 0 1 0 1 0 1} - 1 index 2 mul 0 exch % ... glob w h bit [] {}...{} multi ncomp {0 1 ...} 0 2*ncomp - getinterval /Decode exch def % ... glob w h bit [] {}...{} multi ncomp - exch dup % ... glob w h bit [] {}...{} ncomp multi multi - /MultipleDataSources exch def % ... glob w h bit [] {}...{} ncomp multi - { array astore} { pop } ifelse % ... glob w h bit [] [{}...{}] - /DataSource exch def % ... glob w h bit [] - /ImageMatrix exch def % ... glob w h bit - /BitsPerComponent exch def % ... glob w h - /Height exch def % ... glob w - /Width exch def % ... glob - /ImageType 1 def - /Interpolate //true def - .setglobal currentdict end % ... <<>> - image grestore - exch { 4 add } { 6 } ifelse - { pop } repeat % - - } - { colorimage - } - ifelse - } bind odef - -/image - { dup type /dicttype eq - { dup /ImageType get 3 eq - { .currentglobal //false .setglobal exch - dup length dict copy begin .setglobal - /DataDict DataDict .interpolate def - /MaskDict MaskDict .interpolate def - currentdict end - } - { .interpolate - } - ifelse - image - } - { /INTERPOLATE .systemvar - { .currentglobal //false .setglobal - 8 dict begin .setglobal - /ImageType 1 def - /DataSource 1 index def - /ImageMatrix 2 index def - /BitsPerComponent 3 index def - /Decode {0 1} def - /Height 4 index def - /Width 5 index def - /Interpolate //true def - currentdict end - gsave /DeviceGray setcolorspace image grestore - 5 { pop } repeat - } - { image - } - ifelse - } - ifelse - } bind odef - -/imagemask { - dup type /dicttype eq { - .interpolate imagemask - } { - /INTERPOLATE .systemvar { - .currentglobal //false .setglobal - 8 dict begin .setglobal - /ImageType 1 def - /DataSource 1 index def - /ImageMatrix 2 index def - /BitsPerComponent 1 def - 2 index { {1 0} } { {0 1} } ifelse /Decode exch def - /Height 4 index def - /Width 5 index def - /Interpolate //true def - currentdict end imagemask 5 { pop } repeat - } { - imagemask - } ifelse - } ifelse -} bind odef - -currentdict /.interpolate undef - -%END INTERPOLATE - -% Establish local VM as the default. -false /setglobal where { pop setglobal } { .setglobal } ifelse -$error /.nosetlocal false put - -(END GLOBAL) VMDEBUG - -/.savelocalstate where { - % If we might create new contexts, save away copies of all dictionaries - % referenced from systemdict that are stored in local VM, - % and also save a copy of the initial gstate. - pop .savelocalstate -} { - % If we're *not* running in a multi-context system and FAKEFONTS is - % defined, add the fake fonts to LocalFontDirectory. - .definefakefonts % current VM is local -} ifelse - -% Remove systemdict entries for things that have been bound in where used -% and that shouldn't be accessible by name, and close up systemdict. -currentdict /filterdict .undef -currentdict /.cidfonttypes .undef -currentdict /.colorrenderingtypes .undef -currentdict /.formtypes .undef -currentdict /.halftonetypes .undef -currentdict /.imagetypes .undef -currentdict /.imagemasktypes .undef -currentdict /.patterntypes .undef -currentdict /.shadingtypes .undef -currentdict /.wheredict .undef -end - -% Clean up VM, and enable GC. -/vmreclaim where - { pop NOGC not { 2 vmreclaim 0 vmreclaim } if - } if -DELAYBIND not { - systemdict /.forcedef .undef % remove temptation - systemdict /.forceput .undef % ditto - systemdict /.forceundef .undef % ditto -} if -WRITESYSTEMDICT not { systemdict readonly pop } if - -(END GC) VMDEBUG - -% The Adobe AGM_Core used by Illustrator 9 has some code that breaks -% if the 'product' is not (Adobe PostScript Parser). A bug has been -% submitted to Adobe since this also fails with Acrobat Distiller. -% As a temporary work around, the following HACK will work for -% devices without spot color support. Once Ghostscript can -% support DeviceN and spot color separations this will need to -% be 'true' in some cases. -userdict /AGM_preserve_spots false put - -% The interpreter will run the initial procedure (start). |