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-% (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 <
- 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.
-/.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).