ref: 01986adbbf75c07c613b11fcb81a8015a71e5664
dir: /sys/src/cmd/gs/lib/gs_pdfwr.ps/
% Copyright (C) 1996, 2000 Aladdin Enterprises. All rights reserved.
%
% This software is provided AS-IS with no warranty, either express or
% implied.
%
% This software is distributed under license and may not be copied,
% modified or distributed except as expressly authorized under the terms
% of the license contained in the file LICENSE in this distribution.
%
% For more information about licensing, please refer to
% http://www.ghostscript.com/licensing/. For information on
% commercial licensing, go to http://www.artifex.com/licensing/ or
% contact Artifex Software, Inc., 101 Lucas Valley Road #110,
% San Rafael, CA 94903, U.S.A., +1(415)492-9861.
% $Id: gs_pdfwr.ps,v 1.52 2005/10/20 13:04:16 leonardo Exp $
% PDF writer additions to systemdict.
% This file should be included iff the pdfwrite "device" is included
% in the executable.
% ---------------- Predefined configurations ---------------- %
% These correspond to the 4 predefined settings in Acrobat Distiller 5,
% plus a "default" setting that doesn't downsample images.
/.a2112 [2 1 1 2] readonly def
/.a1111 [1 1 1 1] readonly def
/.standardfonts [
/Courier /Courier-Bold /Courier-Oblique /Courier-BoldOblique
/Helvetica /Helvetica-Bold /Helvetica-Oblique /Helvetica-BoldOblique
/Times-Roman /Times-Bold /Times-Italic /Times-BoldItalic
/Symbol /ZapfDingbats
] readonly def
% Parameters common to all non-default configurations.
% Note that the default configuration overrides a few of these.
/.defaultImageDict mark
/QFactor 0.9 /Blend 1
/HSamples .a2112 /VSamples .a2112
.dicttomark readonly def
/.distillercommon mark
/AlwaysEmbed []
/AntiAliasColorImages false
/AntiAliasGrayImages false
/AntiAliasMonoImages false
/ASCII85EncodePages false
/AutoFilterColorImages true
/AutoFilterGrayImages true
/AutoPositionEPSFiles true
/Binding /Left
/CalCMYKProfile (None) % (U.S. Web Coated (SWOP) v2)
/CalGrayProfile (None) % (Dot Gain 20%)
/CalRGBProfile (None) % (sRGB IEC61966-2.1)
/ColorImageDepth -1
/ColorImageDict .defaultImageDict
/ColorImageDownsampleThreshold 1.5
/ColorImageFilter /DCTEncode
/CompressPages true
/ConvertImagesToIndexed true
/DefaultRenderingIntent /Default
/DetectBlends true
/DownsampleColorImages true
/DownsampleGrayImages true
/DownsampleMonoImages true
/EmitDSCWarnings false
/EncodeColorImages true
/EncodeGrayImages true
/EncodeMonoImages true
/EndPage -1
/GrayImageDepth -1
/GrayImageDict .defaultImageDict
/GrayImageDownsampleThreshold 1.5
/GrayImageFilter /DCTEncode
/ImageMemory 524288
/LockDistillerParams false
/MaxSubsetPct 100
/MonoImageDepth -1
/MonoImageDict mark
/K -1
.dicttomark readonly
/MonoImageDownsampleThreshold 1.5
/MonoImageFilter /CCITTFaxEncode
/OffOptimizations 0
/OPM 1
/Optimize true
/ParseDSCComments true
/ParseDSCCommentsForDocInfo true
/PreserveCopyPage true
/PreserveHalftoneInfo false
/sRGBProfile (None) % (sRGB IEC61966-2.1)
/StartPage 1
/SubsetFonts true
/TransferFunctionInfo /Preserve
/UseFlateCompression true
/UsePrologue false
.dicttomark readonly def
/.distillersettings mark
/default mark
/AutoRotatePages /PageByPage
/CannotEmbedFontPolicy /Warning
/ColorACSImageDict .defaultImageDict
/ColorConversionStrategy /LeaveColorUnchanged
% /ColorImageDownsampleType
% /ColorImageResolution
% /CompatibilityLevel
/CreateJobTicket false
/DoThumbnails false
/DownsampleColorImages false % override
/DownsampleGrayImages false % override
/DownsampleMonoImages false % override
/EmbedAllFonts true
/GrayACSImageDict .defaultImageDict
% /GrayImageDownsampleType
% /GrayImageResolution
% /MonoImageDownsampleType
% /MonoImageResolution
/NeverEmbed .standardfonts
/Optimize false % override
/PreserveEPSInfo true
/PreserveOPIComments true
/PreserveOverprintSettings true
/UCRandBGInfo /Preserve
.dicttomark readonly
/.screenACSImageDict mark
/QFactor 0.76 /Blend 1 /ColorTransform 1
/HSamples .a2112 /VSamples .a2112
.dicttomark readonly def
/screen mark
/AutoRotatePages /PageByPage
% /CalGrayProfile (None)
/CannotEmbedFontPolicy /Warning
/ColorACSImageDict .screenACSImageDict
/ColorConversionStrategy /sRGB
/ColorImageDownsampleType /Average
/ColorImageResolution 72
/CompatibilityLevel 1.3
/CreateJobTicket false
/DoThumbnails false
/EmbedAllFonts true
/GrayACSImageDict .screenACSImageDict
/GrayImageDownsampleType /Average
/GrayImageResolution 72
/MonoImageDownsampleType /Average
/MonoImageResolution 300
/NeverEmbed .standardfonts
/PreserveEPSInfo false
/PreserveOPIComments false
/PreserveOverprintSettings false
/UCRandBGInfo /Remove
.dicttomark readonly
/ebook mark
/AutoRotatePages /All
% /CalGrayProfile (None)
/CannotEmbedFontPolicy /Warning
/ColorACSImageDict .screenACSImageDict
/ColorConversionStrategy /sRGB
/ColorImageDownsampleType /Bicubic
/ColorImageResolution 150
/CompatibilityLevel 1.4
/CreateJobTicket false
/DoThumbnails false
/EmbedAllFonts true
/GrayACSImageDict .screenACSImageDict
/GrayImageDownsampleType /Bicubic
/GrayImageResolution 150
/MonoImageDownsampleType /Bicubic
/MonoImageResolution 300
/NeverEmbed .standardfonts
/PreserveEPSInfo false
/PreserveOPIComments false
/PreserveOverprintSettings false
/UCRandBGInfo /Remove
.dicttomark readonly
/.printerACSImageDict mark
/QFactor 0.4 /Blend 1 /ColorTransform 1
/HSamples .a1111 /VSamples .a1111
.dicttomark readonly def
/printer mark
/AutoRotatePages /None
% /CalGrayProfile (None)
/CannotEmbedFontPolicy /Warning
/ColorACSImageDict .printerACSImageDict
/ColorConversionStrategy /UseDeviceIndependentColor
/ColorImageDownsampleType /Bicubic
/ColorImageResolution 300
/CompatibilityLevel 1.4
/CreateJobTicket true
/DoThumbnails false
/EmbedAllFonts true
/GrayACSImageDict .printerACSImageDict
/GrayImageDownsampleType /Bicubic
/GrayImageResolution 300
/MonoImageDownsampleType /Bicubic
/MonoImageResolution 1200
/NeverEmbed []
/PreserveEPSInfo true
/PreserveOPIComments true
/PreserveOverprintSettings true
/UCRandBGInfo /Preserve
.dicttomark readonly
/.prepressACSImageDict mark
/QFactor 0.15 /Blend 1 /ColorTransform 1
/HSamples .a1111 /VSamples .a1111
.dicttomark readonly def
/prepress mark
/AutoRotatePages /None
/CannotEmbedFontPolicy /Error
/ColorACSImageDict .prepressACSImageDict
/ColorConversionStrategy /LeaveColorUnchanged
/ColorImageDownsampleType /Bicubic
/ColorImageResolution 300
/CompatibilityLevel 1.4
/CreateJobTicket true
/DoThumbnails true
/EmbedAllFonts true
/GrayACSImageDict .prepressACSImageDict
/GrayImageDownsampleType /Bicubic
/GrayImageResolution 300
/MonoImageDownsampleType /Bicubic
/MonoImageResolution 1200
/NeverEmbed []
/PreserveEPSInfo true
/PreserveOPIComments true
/PreserveOverprintSettings true
/UCRandBGInfo /Preserve
.dicttomark readonly
% Define distiller settings for the ps2write device and for the ps2ps2 script :
/PSL2Printer mark
/AutoRotatePages /None
/CannotEmbedFontPolicy /Error
/ColorACSImageDict .prepressACSImageDict
/ColorConversionStrategy /LeaveColorUnchanged
/ColorImageDownsampleType /Bicubic
/ColorImageResolution 600
/CompatibilityLevel 1.2 % Always 1.2 with ps2write.
% /CreateJobTicket true % Not sure
/DoThumbnails false
/EmbedAllFonts true
/GrayACSImageDict .prepressACSImageDict
/GrayImageDownsampleType /Bicubic
/GrayImageResolution 600
/MonoImageDownsampleType /Bicubic
/MonoImageResolution 1200
/NeverEmbed []
/PreserveEPSInfo true
/PreserveOPIComments true
/PreserveOverprintSettings true
/UCRandBGInfo /Preserve
/PreserveHalftoneInfo true
/TransferFunctionInfo /Preserve
/MaxViewerMemorySize 8000000
/CompressPages false
/CompressFonts false
/ASCII85EncodePages true
.dicttomark readonly
.dicttomark readonly def
% ---------------- End of predefined configurations ---------------- %
% Set optimizations for converting PostScript to PDF.
% The ps2pdf* scripts invoke this.
/.setpdfwrite { % - .setpdfwrite -
% Set a large VM threshold to reduce garbage collection.
currentuserparams /VMThreshold get 3000000 .max setvmthreshold
} bind def
% ---------------- pdfmark and DSC processing ---------------- %
/.write_small_positive_real % <file> <real> .write_small_positive_real -
{ % The argument must be grater than 0 and must be strongly samller than 0.1.
% The conversion isn't simple due to the low (24 bits) precision
% of the floating point arithmetics in Postscript.
% For best result we first use the 1e8 factor since its binary
% representation 101111101011110000100000000 well rounds into 14 significant
% bits : 101111101011110000000000000 .
1 index (.) writestring
{ dup 100000000 mul
dup 10 mul 1 ge {
% Will need not greater than 0.1 due to a rounding below.
pop exit
} if
exch pop
1 index (00000000) writestring
} loop
% Now it is not smaller than 1e-9, use simple digitizing.
{ dup 10 mul
dup 10 mul 1 ge {
pop exit
} if
exch pop
1 index (0) writestring
} loop
% Now 0.01 <= n < 0.1, but rounding may give 0.1 .
% Convert to integer with 7 digits precision :
100000000 % precision factor 1e8 % f n r
dup 10 idiv 3 1 roll mul 0.5 add cvi % f r' N
2 copy le {
% The rounding overflows, suppress it.
% Note it carries out an additional digit,
% that's why we needed <0.1 above.
pop pop (1) writestring
} {
% Didn't cary out, put 0.
2 index (0) writestring
exch % f N r
% Continue the simple digitizing :
{ 10 idiv dup % f N r' r'
2 index exch idiv % f N r' d
(0123456789) exch 1 getinterval % f N r' (d)
3 index exch writestring % f N r'
dup 3 2 roll exch mod % f r' N'
dup 0 eq {
% Don't write trailing zeros.
exit
} if
exch % f N' r'
} loop
pop pop pop
} ifelse
} bind def
% Encode values to pass for the /pdfmark or /DSC pseudo-parameter.
/.pdf===dict mark
/arraytype
{ dup xcheck { ({) (}) } { ([) (]) } ifelse
% Stack: file obj left right
4 1 roll 2 index exch writestring () exch
{ exch 2 index exch writestring
1 index exch pdf===only ( )
}
forall pop exch writestring
} bind
/packedarraytype 1 index
/dicttype
{ 1 index (<<\n) writestring
{ 2 index 3 -1 roll pdf===only 1 index ( ) writestring
1 index exch pdf===only dup (\n) writestring
}
forall (>>) writestring
} bind
/nametype {
% If the name string includes any non-regular characters,
% write it with two preceding and one following null character(s).
% (Null characters in the name itself are not allowed.)
% This non-standard escape convention is required for passing names
% that include non-regular characters, because PostScript provides
% no way to do this. The pdf_scan_token procedure in the C code of
% the pdfwrite driver is currently the only place that recognizes
% this convention.
dup .namestring (\000\011\012\014\015 %()/<>[]{}) .stringbreak null ne {
dup .namestring (\000) .stringbreak null ne {
/rangecheck signalerror
} if
1 index <0000> writestring 1 index exch write===only 0 write
} {
write===only
} ifelse
} bind
/realtype {
% Prevent using floating point format - see Bug 688167.
dup dup 0 lt { neg } if 0.01 lt {
dup 0 eq {
pop (0) writestring
} {
dup 0 lt {
1 index (-) writestring neg
} if
.write_small_positive_real
} ifelse
} {
write===only
} ifelse
} bind
.dicttomark readonly def
/pdf===only { % <file> <obj> pdf===only -
.pdf===dict 1 index type .knownget { exec } { write===only } ifelse
} bind def
/.pdfcvbuf 30 string def % enough for most arguments
userdict /.pdfcvstring () put
/.pdfcvs { % <obj> .pdfcvs <string>
currentglobal exch false .setglobal
/.pdfcvstring () store
% We can't handle long values yet.
{ pop dup length 0 eq { pop } {
/.pdfcvstring .pdfcvstring 3 -1 roll concatstrings store
} ifelse //.pdfcvbuf
} /NullEncode filter dup 3 -1 roll pdf===only
closefile
.setglobal .pdfcvstring
} bind def
% Redefine pdfmark to pass the data to the driver.
% We use a pseudo-parameter named /pdfmark whose value is an array:
% /key1 (value1) ... (CTM) /type
/.pdfputparams { % -mark- <key1> <value1> ... .pdfputparams <result...>
currentdevice null false counttomark 1 add 3 roll
% Don't allow the page device to get cleared....
{.putdeviceparams} .currentpagedevice pop {.setpagedevice} 3 .execn
} bind def
% Convert relevant operands to strings in an array.
/.pdfcvsloop { % -mark- values ... markname start step .pdfcvsloop
% [values ... ctm markname]
matrix currentmatrix .pdfcvs 4 1 roll
counttomark 1 add 2 roll
counttomark .localvmarray astore exch pop
3 1 roll
% Stack: values start step
2 index length 3 sub { 2 copy 2 copy get .pdfcvs put pop } for
} bind def
/.pdfcvsall { % -mark- values ... markname .pdfcvsall <<same>>
0 1 .pdfcvsloop
} bind def
/.pdfcvseven { % -mark- key value ... markname .pdfcvseven <<same>>
1 2 .pdfcvsloop
} bind def
/.pdfcvsnone { % -mark- values ... markname .pdfcvsnone <<same>>
100000 1 .pdfcvsloop
} bind def
/.pdfcvsfirst { % -mark- first values ... markname .pdfcvsfirst<<same>>
.pdfcvsnone
dup 0 2 copy get .pdfcvs put
} bind def
% The procedures in the following dictionary are called with the entire
% pdfmark operand list (including the pdfmark name) on the stack;
% they may modify this ad lib. They must call .pdfcvsxxx.
/.pdfmarkparams mark
% Unpack a dictionary for PUT, and don't convert stream data.
/PUT {
counttomark 3 eq {
1 index type /dicttype eq {
pop { } forall /.PUTDICT .pdfcvsall
} {
pop dup type /filetype eq {
% Read the file into a sequence of strings.
% This isn't great, but it's simple.
{
dup 64000 string readstring not { exch exit } if
exch
} loop closefile
} if
/.PUTSTREAM .pdfcvsfirst
} ifelse
} {
.pdfcvsall
} ifelse
} bind
% Unpack the array for PUTINTERVAL.
/PUTINTERVAL {
pop aload pop /.PUTINTERVAL .pdfcvsall
} bind
.dicttomark readonly def
/.pdfparamerror { % ? ? ? -mark- ... <errname> <opname> .pdfparamerror -
counttomark 4 add 2 roll cleartomark pop pop pop
.systemvar exch signalerror
} bind def
/pdfmark { % -mark- <key> <value> ... <markname> pdfmark -
dup /SP eq {
% A hack for synchronizing the clipping path.
gsave
[1 0 0 1 0 0] setmatrix 0 setlinewidth
newpath -3 -3 moveto closepath stroke % Paints outside the device bbox.
grestore
} if
dup /PS eq systemdict /PDFX .knownget not { false } if and {
% Execute it since PDF/X doesn't allow to embed it.
{ dup mark eq {
pop exit
} if
1 index /DataSource eq {
cvx exec
} {
pop pop
} ifelse
} loop
} {
counttomark 1 add copy
//.pdfmarkparams 1 index .knownget { exec } { .pdfcvsall } ifelse
mark /pdfmark 3 -1 roll .pdfputparams
dup type /booleantype ne {
/pdfmark .pdfparamerror
} if cleartomark
} ifelse
} odef
userdict /pdfmark .undef
currentdict /.pdfmarkparams .undef
% <dict> .hook_DSC_Creator -
/.pdf_hook_DSC_Creator
{
% If the Creator is PScript5.dll, disable the 32 /FontType resource for
% handling GlyphNames2Unicode. Since /FontType category can't redefine,
% we can do only with redefining the operator 'resourcestatus'.
currentdevice .devicename /pdfwrite eq {
/Creator .knownget {
(PScript5.dll) search {
pop pop
systemdict /resourcestatus dup
{ dup /FontType eq 2 index 32 eq and {
pop pop false
} {
resourcestatus
} ifelse
} bind .makeoperator .forceput
} if
pop
} if
} {
pop
} ifelse
}
bind def
% Use the DSC processing hook to pass DSC comments to the driver.
% We use a pseudo-parameter named DSC whose value is an array:
% /key1 (value1) ... /type
/.pdfdsc_dict 2 dict def
/.pdfdsc { % <file> <DSC string> <dsc dict> [<prev proc>] .pdfdsc -
0 get dup null ne { 4 copy exch pop exec pop } { pop } ifelse 3 -1 roll pop
% Stack: <dsc string> <dsc dict>
20 .localvmdict 1 index { 3 copy put pop pop } forall
3 -1 roll .parse_dsc_comments % <dsc dict> <dict> <type>
1 index //.pdf_hook_DSC_Creator exec
dup /NOP ne 2 index length 1 gt or { % Skip unparsed comments
PDFWRDEBUG { (**** DSC comment: ) print dup == 1 index === flush } if
exch mark 4 1 roll {
% mark <key1> <value1> ... <dsc dict> <type> <key> <value>
3 index 2 index known { % Skip the DSC_struct entry
pop pop
} {
.pdfcvs 4 -2 roll
} ifelse
} forall exch pop counttomark .localvmarray astore
mark /DSC 3 -1 roll .pdfputparams
dup type /booleantype ne {
/DSC .pdfparamerror
} {
cleartomark
} ifelse
} {
pop pop pop
} ifelse
} bind def
currentdict /.pdf_hook_DSC_Creator undef
/.initialize_dsc_parser where {
pop
3000 % priority
{
currentglobal true setglobal
2 dict dup .initialize_dsc_parser readonly
currentuserparams /ProcessDSCComment get
1 array astore % in case the value is executable
//.pdfdsc /exec load 4 array astore cvx readonly
<< /ProcessDSCComment 3 -1 roll >> setuserparams
setglobal
} bind .schedule_init
} if
% ---------------- {set,current}distillerparams ---------------- %
% Define setdistillerparams / currentdistillerparams.
% Distiller parameters are currently treated as device parameters.
/.distillerparamkeys mark
% General parameters -- all distillers
/ASCII85EncodePages { }
/AutoRotatePages { }
/Binding { }
/CompressPages { }
/DefaultRenderingIntent { }
/DetectBlends { }
/DoThumbnails { }
/ImageMemory { }
/LockDistillerParams { }
/LZWEncodePages { }
/OPM { }
/PreserveHalftoneInfo { }
/PreserveOPIComments { }
/PreserveOverprintSettings { }
/TransferFunctionInfo { }
/UCRandBGInfo { }
/UseFlateCompression { }
% General parameters -- PDF writer
% StartPage and EndPage are renamed because EndPage
% clashes with a page device parameter.
/CoreDistVersion { }
/CompatibilityLevel { }
% ****** NOTE: StartPage and EndPage are disabled because
% ****** EndPage clashes with a page device parameter.
% /EndPage { exch pop /PDFEndPage exch }
/PDFEndPage { pop pop }
% /StartPage { exch pop /PDFStartPage exch }
/PDFStartPage { pop pop }
/Optimize { }
/ParseDSCCommentsForDocInfo { }
/ParseDSCComments { }
/EmitDSCWarnings { }
/CreateJobTicket { }
/PreserveEPSInfo { }
/AutoPositionEPSFiles { }
/PreserveCopyPage { }
/UsePrologue { }
/OffOptimizations { }
% Color sampled image parameters
/ColorACSImageDict { }
/AntiAliasColorImages { }
/AutoFilterColorImages { }
/ColorImageDepth { }
/ColorImageDict { }
/DownsampleColorImages { }
/ColorImageDownsampleThreshold { }
/ColorImageDownsampleType { }
/EncodeColorImages { }
/ColorImageFilter { }
/ColorImageResolution { }
% Color processing parameters
/CalCMYKProfile { }
/CalGrayProfile { }
/CalRGBProfile { }
/sRGBProfile { }
/ColorConversionStrategy { }
/ConvertCMYKImagesToRGB { }
/ConvertImagesToIndexed { }
% Grayscale sampled image parameters
/GrayACSImageDict { }
/AntiAliasGrayImages { }
/AutoFilterGrayImages { }
/GrayImageDepth { }
/GrayImageDict { }
/DownsampleGrayImages { }
/GrayImageDownsampleThreshold { }
/GrayImageDownsampleType { }
/EncodeGrayImages { }
/GrayImageFilter { }
/GrayImageResolution { }
% Monochrome sampled image parameters
/AntiAliasMonoImages { }
/MonoImageDepth { }
/MonoImageDict { }
/DownsampleMonoImages { }
/MonoImageDownsampleThreshold { }
/MonoImageDownsampleType { }
/EncodeMonoImages { }
/MonoImageFilter { }
/MonoImageResolution { }
% Font embedding parameters
/AlwaysEmbed
{ dup length 0 gt
{ dup 0 get false eq
{ dup length 1 sub 1 exch getinterval exch pop /~AlwaysEmbed exch
} if
} if
}
/NeverEmbed
{ dup length 0 gt
{ dup 0 get false eq
{ dup length 1 sub 1 exch getinterval exch pop /~NeverEmbed exch
} if
} if
}
/CannotEmbedFontPolicy { }
/EmbedAllFonts { }
/MaxSubsetPct { }
/SubsetFonts { }
.dicttomark readonly def
/.distillerdevice
{ currentdevice .devicename dup /pdfwrite eq exch /ps2write eq or
{ currentdevice }
{ /pdfwrite finddevice }
ifelse
} bind def
% Some badly designed PostScript files only expect the current/set
% distillerparams operators to exist in a distiller. Since we have
% this as a runtime option, we enable these operators IFF the
% currentdevice is pdfwrite. Also, we mask their existence in
% systemdict so that 'where' and 'known' don't show them unless
% the currentdevice is pdfwrite.
/.setdistillerparams { % <dict> setdistillerparams -
.distillerdevice //null false mark 4 index {
//.distillerparamkeys 2 index .knownget { exec } { pop pop } ifelse
} forall .putdeviceparamsonly
dup type /booleantype ne {
/setdistillerparams .pdfparamerror
} {
pop pop pop
} ifelse
} odef
/.currentdistillerparams { % - currentdistillerparams <dict>
.distillerdevice //.distillerparamkeys .getdeviceparams .dicttomark
% Patch StartPage and EndPage
% ****** NOTE: StartPage and EndPage are disabled because
% ****** EndPage clashes with a page device parameter.
% begin /StartPage PDFStartPage /EndPage PDFEndPage
% currentdict dup /PDFStartPage undef /PDFEndPage undef
% def def currentdict end
} odef
/setdistillerparams {
currentdevice .devicename dup /pdfwrite ne exch /ps2write ne and {
/setdistillerparams /undefined signalerror
} if
.setdistillerparams
} bind odef
/currentdistillerparams {
currentdevice .devicename dup /pdfwrite ne exch /ps2write ne and {
/currentdistillerparams /undefined signalerror
} if
.currentdistillerparams
} bind odef
% Patch 'where' so that the distiller operators are only visible
% if the pdfwrite device is the current one.
{ currentdevice .devicename dup /pdfwrite eq exch /ps2write eq or{
.where
} {
.where pop dup //systemdict eq { pop false } { true } ifelse
} ifelse
} bind
{ /currentdistillerparams /setdistillerparams /pdfmark }
{ .wheredict exch 2 index put } forall pop
% Patch 'known' to hide the systemdict version of distiller operators
% unless the currentdevice is pdfwrite.
/known {
/currentdistillerparams 1 index eq /setdistillerparams 2 index eq or
/pdfmark 2 index eq or {
systemdict 2 index eq { % only mask the operator in systemdict
known currentdevice .devicename dup /pdfwrite ne exch /ps2write ne and { pop false } if
} {
known
} ifelse
} {
known
} ifelse
} .bind odef
1000 % priority
{
% Note, this may not work if the initial device is not pdfwrite
% and may require the use of -dProvideUnicode on the command line.
currentdevice .devicename /pdfwrite eq
systemdict /ProvideUnicode .knownget not { false } if or {
currentglobal true setglobal
systemdict /.setupUnicodeDecoder known {
/Unicode /Decoding resourcestatus {
pop pop
/Unicode /Decoding findresource
.setupUnicodeDecoder
} {
QUIET not {
(WARNING: /Unicode /Decoding resource is not accessible but it is useful for generating ToUnicode CMap.) =
} if
} ifelse
} if
setglobal
} if
} bind .schedule_init
1010 % priority
{
% Set a predefined configuration in the distiller device (pdfwrite)
/PDFSETTINGS where {
pop /PDFSETTINGS load
} {
currentdevice .devicename /ps2write eq { /PSL2Printer } { /default } ifelse
} ifelse
.distillersettings exch get
% Don't override parameters defined on the command line.
dup length .distillercommon length add dict begin
.distillercommon 2 {
{
systemdict 2 index known { pop pop } { def } ifelse
} forall
} repeat
currentdict end .setdistillerparams
.distillerdevice //null false mark .putdeviceparams
dup type /booleantype eq not { cleartomark pop } if pop pop
} bind .schedule_init
1011 % priority
{
% Set a path to library files (ps2write)
currentdevice .devicename /ps2write eq {
mark
systemdict /OPDFReadProcsetPath .knownget not {
(gs_mgl_e.ps) (gs_mro_e.ps) (gs_agl.ps) (opdfread.ps) % Reverse order !
() counttomark 1 sub {
exch
.libfile { .filename } { false } ifelse not {
(Configuration error : library file opdfread.ps not found !) =
(opdfread.ps) /undefinedfilename signalerror
} if
.filenamelistseparator concatstrings concatstrings
} repeat
} if
/OPDFReadProcsetPath exch .dicttomark setpagedevice
} if
} bind .schedule_init
2000 % priority
{ % Note, this may not work if the initial device is not pdfwrite
currentdevice .devicename dup /pdfwrite eq exch /ps2write eq or {
% Inform the device with initial graphic state. See gdev_pdf_fill_path.
newpath fill
} if
} bind .schedule_init