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Aminet 2
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Aminet AMIGA CDROM (1994)(Walnut Creek)[Feb 1994][W.O. 44790-1].iso
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ghostscript2_6_1.lha
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gs_init.ps
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1993-05-28
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% Copyright (C) 1989, 1992, 1993 Aladdin Enterprises. All rights reserved.
%
% This file is part of Ghostscript.
%
% Ghostscript is distributed in the hope that it will be useful, but
% WITHOUT ANY WARRANTY. No author or distributor accepts responsibility
% to anyone for the consequences of using it or for whether it serves any
% particular purpose or works at all, unless he says so in writing. Refer
% to the Ghostscript General Public License for full details.
%
% Everyone is granted permission to copy, modify and redistribute
% Ghostscript, but only under the conditions described in the Ghostscript
% General Public License. A copy of this license is supposed to have been
% given to you along with Ghostscript so you can know your rights and
% responsibilities. It should be in a file named COPYING. Among other
% things, the copyright notice and this notice must be preserved on all
% copies.
% 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.
% Check the interpreter revision. NOTE: the interpreter code requires
% that the first non-comment token in this file be an integer.
261
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 1 .quit
}
if pop
% Define true and false.
systemdict begin
/true 0 0 eq def
/false 0 1 eq def
end
% Acquire userdict.
currentdict dup 200 .setmaxlength % userdict
systemdict begin
/userdict exch def
% Acquire the debugging flags.
currentdict /DEBUG known /DEBUG exch def
/VMDEBUG
DEBUG {{print ( ) print vmstatus pop ( ) cvs print pop ( ) print
systemdict length ( ) cvs print (\n) print flush}}
{{pop}} ifelse
def
currentdict /DISKFONTS known /DISKFONTS exch def
currentdict /ESTACKPRINT known /ESTACKPRINT exch def
currentdict /NOBIND known /NOBIND exch def
/.bind /bind load def
NOBIND { /bind { } def } if
currentdict /NOCACHE known /NOCACHE exch def
currentdict /NODISPLAY known not /DISPLAYING exch def
currentdict /NOPAUSE known /NOPAUSE exch def
currentdict /NOPLATFONTS known /NOPLATFONTS exch def
currentdict /OUTPUTFILE known % obsolete
{ /OutputFile /OUTPUTFILE load def
currentdict /OUTPUTFILE undef
} if
currentdict /QUIET known /QUIET exch def
currentdict /SAFER known /SAFER exch def
currentdict /WRITESYSTEMDICT known /WRITESYSTEMDICT exch def
% Acquire environment variables.
currentdict /DEVICE known not
{ (GS_DEVICE) getenv { /DEVICE exch def } if } if
QUIET not { (Initializing... ) print flush } if
(START) VMDEBUG
% Acquire the standard files.
/.stdin (%stdin) (r) file def
/.stdout (%stdout) (w) file def
/.stderr (%stderr) (w) file def
% Turn on array packing for the rest of initialization.
true setpacking
% Define a procedure for skipping over an unneeded section of code.
% This avoids allocating space for the skipped procedures.
/.skipeof % string ->
{ { dup currentfile =string readline pop eq { exit } if } loop pop
} bind def
% Define a special version of def for making operator procedures.
/odef
{1 index exch .makeoperator def} bind def
% Define predefined procedures substituting for operators,
% in alphabetical order.
userdict /#copies 1 put
/[ /mark load def
/] {counttomark array astore exch pop} odef
/abs {dup 0 lt {neg} if} odef
/copypage
{ 1 false .outputpage
(>>copypage, press <return> to continue<<\n) .confirm
} odef
/defaultmatrix
{currentdevice exch deviceinitialmatrix} odef
/.echo /echo load def
userdict /.echo.mode true put
/echo {dup /.echo.mode exch store .echo} odef
/eexec
{ 55665 .filter_eexecDecode
cvx systemdict begin stopped
% Only pop systemdict if it is still the top element,
% because this is apparently what Adobe interpreters do.
currentdict systemdict eq { end } if
{ stop } if
} bind def
/executive
{ { prompt
{ (%statementedit) (r) file } stopped { exit } if
cvx execute
} loop
} odef
/framedevice
{.stderr (Warning: framedevice is an obsolete operator.\n) writestring
.stderr flushfile
pop pop pop setmatrix initclip} odef
/handleerror
{errordict /handleerror get exec} bind def
/identmatrix
{{1.0 0.0 0.0 1.0 0.0 0.0} cvlit exch copy} odef
/initgraphics
{initmatrix newpath initclip 1 setlinewidth 0 setlinecap 0 setlinejoin
[] 0 setdash 0 setgray 10 setmiterlimit} odef
/initmatrix
{.tempmatrix defaultmatrix setmatrix} odef
/languagelevel 1 def % we don't have full Level 2
/matrix {6 array identmatrix} odef
/prompt {flush flushpage
(GS) print count 0 ne
{(<) print count =only}
if (>) print flush} bind def
/pstack {0 1 count 3 sub {index ==} for} def
/quit {0 .quit} odef
/run {dup type /filetype eq
{ true }
{ findlibfile { exch pop true } { false } ifelse }
ifelse
{cvx execute}
{(r) file} % let the error happen
ifelse} odef
/showpage
{ #copies true .outputpage
(>>showpage, press <return> to continue<<\n) .confirm
erasepage initgraphics
} 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 { executive } def
% This interpreter is compatible with PostScript "version" 54.0 (I think).
/version (54.0) def
% Provide semi-fake but usable definitions for some of
% the color PostScript extensions.
/setcolorscreen {
setscreen 9 {pop} repeat
} odef
/currentcolorscreen {
currentscreen 3 copy 6 copy
} odef
% 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 Ghostscript
% release to the next!
/concatstrings
{ 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
/copystring
{ dup length string copy } bind def
/.dicttomark % (the Level 2 >> operator)
{ counttomark 2 idiv dup dict begin
{ def } repeat pop currentdict end
} bind def
/finddevice
{ systemdict /devicedict get exch get } bind def
/.growdict % grow a dictionary
{ dup length 3 mul 2 idiv 1 add .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
/selectdevice
{ finddevice setdevice } bind def
/signalerror % object errorname
{ errordict exch get exec } bind def
% Define =string, which is used by some PostScript programs even though
% it isn't documented anywhere.
/=string 128 string def
% Define the =[only] procedures. Also define =print,
% which is used by some PostScript programs even though
% it isn't documented anywhere.
/= { =only (\n) print } bind def
/=only { { =string cvs } stopped { pop pop (--nostringval--) } if print } bind def
/=print /=only load def
% Temporarily define == as = for the sake of run0.
/== /= load def
% Define the filter operator.
/.filterstring (.filter_01234567890123456789) def
/.filterstring1 .filterstring 8 .filterstring length 8 sub getinterval def
/filter
{ //.filterstring exch 0 exch
//.filterstring1 cvs length 8 add getinterval cvn load exec
} odef
systemdict /.filter_LZWEncode undef % per FSF
% Define procedures for getting and setting the current device resolution.
/gsgetdeviceprop
{ 1 index getdeviceprops
{ 1 index counttomark 1 add index eq { exit } if pop pop } loop
dup mark eq % if true, not found
{ pop dup /undefined signalerror }
{ counttomark 1 add 1 roll cleartomark exch pop exch pop }
ifelse
} bind def
/gscurrentresolution
{ currentdevice /HWResolution gsgetdeviceprop
} bind def
/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 and
{% Print a message and wait for the user to type something.
% If the user just types a newline, flush it.
print flush
.echo.mode false echo
.stdin dup read
{dup (\n) 0 get eq {pop pop} {unread} ifelse} {pop} ifelse
echo}
{pop} ifelse} bind def
/.identmatrix % a read-only identity matrix
matrix readonly def
/.tempmatrix % a temporary matrix
matrix def
% Define the procedure used by the C executive for executing user input,
% and also by the run operator.
% This is called with a procedure or file on the operand stack.
/execute
{stopped $error /newerror get and {handleerror} if} odef
% Define an execute analogue of run0.
/execute0
{stopped $error /newerror get and {handleerror flush 1 .quit} if} bind def
% Define a special version of `run' that aborts on errors.
/run0
{ dup /.currentfilename exch def
{ findlibfile not { stop } if }
stopped
{ (Can't find initialization file ) print
.currentfilename == flush 1 .quit
} if
exch pop cvx stopped
{ (While reading ) print .currentfilename print (:\n) print flush
handleerror 1 .quit
} if
} bind def
% Temporarily substitute it for the real `run'.
/.run /run load def
/run /run0 load def
% If we want a "safer" system, disable some obvious ways to cause havoc.
SAFER not { (%END SAFER) .skipeof } if
/file
{ dup (r) eq
{ file }
{ /invalidfileaccess signalerror }
ifelse
} bind odef
/renamefile { /invalidfileaccess signalerror } odef
/deletefile { /invalidfileaccess signalerror } odef
%END SAFER
% Create the error handling machinery.
% The interpreter has created the ErrorNames array.
% Define $error.
/$error 11 dict def % newerror, errorname, command, errorinfo,
% ostack, estack, dstack, recordstacks,
% binary, .inerror, position
$error begin
/newerror false def
/recordstacks true def
/binary false def
/.inerror false def
/position null def
end
% Define errordict. It has one entry per error name,
% plus handleerror and .printerror.
/errordict ErrorNames length 2 add dict def
% Define the standard error handlers. When they are invoked,
% the top element of the o-stack is the error name;
% the next element is the offending command.
errordict begin
{ //$error /.inerror get .instopped not or
{ (Unrecoverable error: ) print =only flush
( in ) print = flush
count 0 gt
{ (Operand stack:\n ) print
0 1 count 3 sub { ( ) print index =only flush } for
(\n) print flush
} if
1 .quit
} if % detect error recursion
$error /.inerror true put
$error /newerror true put
$error exch /errorname exch put
$error exch /command exch put
$error /dstack undef
$error /estack undef
$error /ostack undef
$error /recordstacks get $error /errorname get /VMerror ne and
{ $error /dstack countdictstack array dictstack put
$error /estack countexecstack array execstack put
count array astore dup $error exch /ostack exch put
aload pop
} if
$error /position currentfile status
{ errordict /ioerror get
errordict /ioerror { pop stop } put
currentfile { fileposition } stopped { pop null } if
errordict /ioerror 4 -1 roll put
}
{ null
}
ifelse put
$error /.inerror false put
stop
} bind
ErrorNames
{ [ 1 index 3 index /exec load ] cvx def
} forall
pop
end
% 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.
errordict begin
/.printerror
{ (Error: ) print
$error begin
errorname ==only flush
( in ) print
/command load ==only flush
currentdict /ostack known
{ (\nOperand stack:\n ) print ostack { ( ) print ==only } forall
} if
currentdict /estack known
{ (\nExecution stack:\n ) print
estack { ( ) print ESTACKPRINT { ==only } { =only } ifelse } forall
} if
currentdict /dstack known
{ (\nDictionary stack:\n ) print dstack
{ dup ( ) print length =only (/) print maxlength =only } forall
} if
(\n) print
errorname /VMerror eq
{ (VM status:) print mark vmstatus
counttomark { ( ) print counttomark -1 roll dup =only } repeat
cleartomark (\n) print
} if
position null ne
{ (Current file position is ) print position = }
if
/newerror false def
end
flush
} bind def
/handleerror
{ errordict /.printerror get exec
.instopped {stop} if
} bind def
end
% Define the [write]==[only] procedures.
/== {==only (\n) print} bind def
/==only {.stdout exch write==only} bind def
/write==
{2 copy write==only pop (\n) writestring} bind def
/.dict 16 dict dup
begin def
/.cvp {=string cvs .p} bind def
% /.f {the_output_file} def
/.nop {(-) .p type .cvp (-) .p} bind def
/.p {.f exch writestring} bind def
/.print
{dup type .dict exch known
{dup type exec} {.nop} ifelse
} bind def
/integertype /.cvp load def
/nulltype { pop (null) .p } bind def
/realtype /.cvp load def
/booleantype /.cvp load def
/nametype
{dup xcheck not {(/) .p} if
dup length =string length gt
{dup length string}
{=string}
ifelse cvs .p} bind def
/arraytype
{dup rcheck
{dup xcheck {(})({)} {(])([)} ifelse .p
exch () exch
{exch .p .print ( )} forall pop .p}
{.nop}
ifelse} bind def
/operatortype
{(--) .p .cvp (--) .p} bind def
/packedarraytype /arraytype load def
% /.ch {a_character} def
/stringtype
{dup rcheck
{(\() .p
{dup dup 32 lt exch 127 ge or
{(\\) .p 8#1000 add 8 =string cvrs 1 3 getinterval .p}
{dup dup -2 and 40 eq exch 92 eq or {(\\) .p} if
.f exch write}
ifelse}
forall (\)) .p}
{.nop}
ifelse} bind def
{//.dict begin exch cvlit /.f exch def .print end}
bind cvx
end
/write==only exch def
(END PROCS) VMDEBUG
% Define the font directory.
% Make it big to leave room for transformed fonts.
/FontDirectory 100 dict def
% Define the standard encoding vector.
/StandardEncoding
% \00x
/.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
/.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
/.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
/.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
% \04x
/space /exclam /quotedbl /numbersign
/dollar /percent /ampersand /quoteright
/parenleft /parenright /asterisk /plus
/comma /hyphen /period /slash
/zero /one /two /three
/four /five /six /seven
/eight /nine /colon /semicolon
/less /equal /greater /question
% \10x
/at /A /B /C /D /E /F /G
/H /I /J /K /L /M /N /O
/P /Q /R /S /T /U /V /W
/X /Y /Z /bracketleft /backslash /bracketright /asciicircum /underscore
% \14x
/quoteleft /a /b /c /d /e /f /g
/h /i /j /k /l /m /n /o
/p /q /r /s /t /u /v /w
/x /y /z /braceleft /bar /braceright /asciitilde /.notdef
% \20x
/.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
/.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
/.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
/.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
% \24x
/.notdef /exclamdown /cent /sterling
/fraction /yen /florin /section
/currency /quotesingle /quotedblleft /guillemotleft
/guilsinglleft /guilsinglright /fi /fl
/.notdef /endash /dagger /daggerdbl
/periodcentered /.notdef /paragraph /bullet
/quotesinglbase /quotedblbase /quotedblright /guillemotright
/ellipsis /perthousand /.notdef /questiondown
% \30x
/.notdef /grave /acute /circumflex /tilde /macron /breve /dotaccent
/dieresis /.notdef /ring /cedilla /.notdef /hungarumlaut /ogonek /caron
/emdash /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
/.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
% \34x
/.notdef /AE /.notdef /ordfeminine /.notdef /.notdef /.notdef /.notdef
/Lslash /Oslash /OE /ordmasculine /.notdef /.notdef /.notdef /.notdef
/.notdef /ae /.notdef /.notdef /.notdef /dotlessi /.notdef /.notdef
/lslash /oslash /oe /germandbls /.notdef /.notdef /.notdef /.notdef
256 packedarray def
0 StandardEncoding .registerencoding
% Define the ISO Latin-1 encoding vector.
% The first half is the same as the standard encoding,
% except for minus instead of hyphen at code 055.
/ISOLatin1Encoding
StandardEncoding 0 45 getinterval aload pop
/minus
StandardEncoding 46 82 getinterval aload pop
%*** NOTE: the following are missing in the Adobe documentation,
%*** but appear in the displayed table:
%*** macron at 0225, dieresis at 0230, cedilla at 0233, space at 0240.
% \20x
/.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
/.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
/dotlessi /grave /acute /circumflex /tilde /macron /breve /dotaccent
/dieresis /.notdef /ring /cedilla /.notdef /hungarumlaut /ogonek /caron
% \24x
/space /exclamdown /cent /sterling
/currency /yen /brokenbar /section
/dieresis /copyright /ordfeminine /guillemotleft
/logicalnot /hyphen /registered /macron
/degree /plusminus /twosuperior /threesuperior
/acute /mu /paragraph /periodcentered
/cedilla /onesuperior /ordmasculine /guillemotright
/onequarter /onehalf /threequarters /questiondown
% \30x
/Agrave /Aacute /Acircumflex /Atilde
/Adieresis /Aring /AE /Ccedilla
/Egrave /Eacute /Ecircumflex /Edieresis
/Igrave /Iacute /Icircumflex /Idieresis
/Eth /Ntilde /Ograve /Oacute
/Ocircumflex /Otilde /Odieresis /multiply
/Oslash /Ugrave /Uacute /Ucircumflex
/Udieresis /Yacute /Thorn /germandbls
% \34x
/agrave /aacute /acircumflex /atilde
/adieresis /aring /ae /ccedilla
/egrave /eacute /ecircumflex /edieresis
/igrave /iacute /icircumflex /idieresis
/eth /ntilde /ograve /oacute
/ocircumflex /otilde /odieresis /divide
/oslash /ugrave /uacute /ucircumflex
/udieresis /yacute /thorn /ydieresis
256 packedarray def
1 ISOLatin1Encoding .registerencoding
% Define stubs for the Symbol and Dingbats encodings.
userdict begin
%% Replace 3 (gs_sym_e.ps)
/SymbolEncoding
{ userdict begin (gs_sym_e.ps) run /SymbolEncoding load end
} bind def
%% Replace 3 (gs_dbt_e.ps)
/DingbatsEncoding
{ userdict begin (gs_dbt_e.ps) run /DingbatsEncoding load end
} bind def
end
(END FONTDIR/ENCS) VMDEBUG
% Construct a dictionary of all available devices.
mark
% Loop until the getdevice gets a rangecheck.
0 { {dup getdevice exch 1 add} loop} stopped pop
dict /devicedict exch def
devicedict begin % 2nd copy of count is on stack
{ dup /Name gsgetdeviceprop cvn dup 3 -1 roll def
counttomark 1 roll
} repeat
end
] /devicenames exch def
$error /newerror false put % remove error indication
(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) run
(END STATD) VMDEBUG
% Load the standard font environment.
%% Replace 1 (gs_fonts.ps)
(gs_fonts.ps) run
(END GS_FONTS) VMDEBUG
% Load the initialization files for optional features.
%% Replace 4 INITFILES
systemdict /INITFILES known
{ INITFILES { dup run VMDEBUG } forall
}
if
% If Level 2 functionality is implemented, enable it now.
/.setlanguagelevel where { pop 2 .setlanguagelevel } if
% Create a null font. This is the initial font.
8 dict dup begin
/FontMatrix [ 1 0 0 1 0 0 ] def
/FontType 3 def
/FontName () def
/Encoding StandardEncoding def
/FontBBox { 0 0 0 0 } 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, but remove it from FontDirectory.
/NullFont currentfont def
FontDirectory /NullFont undef
(END FONTS) VMDEBUG
% Restore the real definition of run.
/run /.run load def
currentdict /.run undef
% Bind all the operators defined as procedures.
/.bindoperators % binds operators in currentdict
{ % Temporarily disable the typecheck error.
errordict /typecheck errordict /typecheck 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 not { .bindoperators } if
% Establish a default environment.
DISPLAYING not
{ nulldevice (%END DISPLAYING) .skipeof
} if
/defaultdevice 0 getdevice systemdict /DEVICE known
{ pop devicedict DEVICE known not
{ (Unknown device: ) print DEVICE =
flush 1 .quit
}
if DEVICE finddevice
}
if def
defaultdevice
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
systemdict /PAPERSIZE known
{ % 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 (.\n) print
}
if
}
if
% Adjust the device parameters per the command line.
getdeviceprops .dicttomark begin
6 dict begin
/dw HWSize 0 get def
/dh HWSize 1 get def
/dmat InitialMatrix def
/dxres HWResolution 0 get def
/dyres HWResolution 1 get def
/DEVICEXRESOLUTION where
{ pop /drq DEVICEXRESOLUTION dxres div def
0 2 4
{ dup
dmat exch get drq mul
dmat 3 1 roll put
}
for
dw drq mul round cvi /dw exch def
/dxres DEVICEXRESOLUTION def
}
if
/DEVICEYRESOLUTION where
{ pop /drq DEVICEYRESOLUTION dyres div def
1 2 5
{ dup
dmat exch get drq mul
dmat 3 1 roll put
}
for
dh drq mul round cvi /dh exch def
/dyres DEVICEYRESOLUTION def
}
if
% Check for device sizes specified in pixels.
/DEVICEWIDTH where
{ pop /dw DEVICEWIDTH def
}
if
/DEVICEHEIGHT where
{ pop /dh DEVICEHEIGHT def
}
if
% Check for device sizes specified in points.
/DEVICEWIDTHPOINTS where
{ pop /dw DEVICEWIDTHPOINTS dxres mul 72 div round cvi def
}
if
/DEVICEHEIGHTPOINTS where
{ pop /dh DEVICEHEIGHTPOINTS dyres mul 72 div round cvi def
}
if
mark
/HWSize [ dw dh ] /HWResolution [ dxres dyres ] /InitialMatrix dmat
defaultdevice putdeviceprops
end end
%END DEVICE
% Set any device properties defined on the command line.
dup getdeviceprops
counttomark 2 idiv
{ systemdict 2 index known
{ pop dup load counttomark 2 roll }
{ pop pop }
ifelse
} repeat
systemdict /BufferSpace known
systemdict /MaxBitmap known not and
{ /MaxBitmap BufferSpace
} if
counttomark dup 0 ne
{ 2 add -1 roll putdeviceprops }
{ pop pop }
ifelse
setdevice % does an erasepage
%END DISPLAYING
% Set the graphics state parameters that initgraphics doesn't initialize.
1 setflat
{ } setblackgeneration
{ pop 0 } setundercolorremoval
(END DEVICE) VMDEBUG
% Establish a default upper limit in the character cache,
% namely, enough room for a 1/4" x 1/4" character at the resolution
% of the default device, or for 3 x the "average" character size,
% whichever is larger.
mark
% Compute limit based on character size.
18 18 dtransform % 1/4" x 1/4"
exch abs cvi 31 add 32 idiv 4 mul % X raster
exch abs cvi mul % Y
% Compute limit based on allocated space.
cachestatus 5 2 roll pop pop pop pop div 3 mul cvi exch pop
max dup 10 idiv exch
setcacheparams
% Conditionally disable the character cache.
NOCACHE { 1 setcachelimit } if
(END CONFIG) VMDEBUG
% Establish an appropriate halftone screen.
72 72 dtransform abs exch abs min % min(|dpi x|,|dpi y|)
dup 150 lt systemdict /DITHERPPI known not and
{ % Low-res device, use ordered dither spot function
% 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 } % screen
{ } % transfer
true % strokeadjust
}
{ % Hi-res device, use 45 degree dot spot function.
% 46 seems to be a good frequency value for printers
% between 200 and 400 DPI. We set the frequency low enough
% that we can be guaranteed at least a 4x4 pixel cell.
systemdict /DITHERPPI known { DITHERPPI } { 46 } ifelse
exch 4.01 div min
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
} % screen
% 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.
{ sqrt dup dup 0.9375 gt exch 0.995 lt and % > 15/16
{ currentscreen pop pop
gsave initmatrix 72 exch div dup dtransform grestore
cvi exch cvi mul abs % # of pixels in halftone cell
1 sub % tweak to avoid boundary
1 exch div 1 exch sub min
}
if
}
false % strokeadjust
}
ifelse
5 -3 roll bind setscreen
exch settransfer
/setstrokeadjust where { pop setstrokeadjust } { pop } ifelse
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.
(\004) cvn { } def % Apple job separator
(\004\004) cvn { } def % two of the same
(\033) cvn { } def % MS Windows LaserJet IV prologue
(\004\033) cvn { } def % MS Windows LaserJet IV epilogue
% Turn off array packing for interactive use.
false setpacking
% Close up systemdict.
end
WRITESYSTEMDICT not { systemdict readonly pop } if
(END INIT) VMDEBUG
% Print the welcome message.
QUIET { (%END WELCOME) .skipeof } if
(done.\n) print flush
product print
( ) print revision 10 idiv 10 div =only
revision 10 mod (.) print =only
( \() print revisiondate 100 idiv 100 mod =only
(/) print revisiondate 100 mod =only
(/) print revisiondate 10000 idiv =only
(\)\n) print copyright print
( All rights reserved.\n) print
product (Ghostscript) eq
{ (Ghostscript comes with NO WARRANTY: see the file COPYING for details.\n) print
}
if
flush
%END WELCOME
% The interpreter will run the initial procedure (start).