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% Copyright (C) 2001-2024 Artifex Software, Inc.
% All Rights Reserved.
%
% This software is provided AS-IS with no warranty, either express or
% implied.
%
% This software is distributed under license and may not be copied,
% modified or distributed except as expressly authorized under the terms
% of the license contained in the file LICENSE in this distribution.
%
% Refer to licensing information at http://www.artifex.com or contact
% Artifex Software, Inc., 39 Mesa Street, Suite 108A, San Francisco,
% CA 94129, USA, for further information.
%
% 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.
mark{ /pdfwrite finddevice pop } .internalstopped{cleartomark (%END PDFWR) .skipeof} {cleartomark} ifelse
languagelevel 2 .setlanguagelevel
/.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 0 /Optimize //true /ParseDSCComments //true /ParseDSCCommentsForDocInfo //true /PDFXTrimBoxToMediaBoxOffset [0 0 0 0] /PDFXSetBleedBoxToMediaBox //true /PDFXBleedBoxToTrimBoxOffset [0 0 0 0] /PreserveCopyPage //true /PreserveHalftoneInfo //false /sRGBProfile (None) % (sRGB IEC61966-2.1)
/StartPage 1 /SubsetFonts //true /TransferFunctionInfo /Preserve /UseFlateCompression //true /UsePrologue //false /PassThroughJPEGImages //true /PassThroughJPXImages //true /PSPageOptionsWrap //true.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 1.5 /CreateJobTicket //false /DoThumbnails //false /EmbedAllFonts //true /GrayACSImageDict .screenACSImageDict /GrayImageDownsampleType /Average /GrayImageResolution 72 /MonoImageDownsampleType /Subsample /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 /Average /ColorImageResolution 150 /CompatibilityLevel 1.5 /CreateJobTicket //false /DoThumbnails //false /EmbedAllFonts //true /GrayACSImageDict .screenACSImageDict /GrayImageDownsampleType /Average /GrayImageResolution 150 /MonoImageDownsampleType /Subsample /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 /Average /ColorImageResolution 300 /CompatibilityLevel 1.7 /CreateJobTicket //true /DoThumbnails //false /EmbedAllFonts //true /GrayACSImageDict .printerACSImageDict /GrayImageDownsampleType /Average /GrayImageResolution 300 /MonoImageDownsampleType /Subsample /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 1.7 /CreateJobTicket //true /DoThumbnails //true /EmbedAllFonts //true /GrayACSImageDict .prepressACSImageDict /GrayImageDownsampleType /Bicubic /GrayImageResolution 300 /MonoImageDownsampleType /Subsample /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 /Subsample /ColorImageResolution 600 /DownsampleColorImages //false /CompatibilityLevel 1.2 % Always 1.2 with ps2write.
% /CreateJobTicket //true % Not sure
/DoThumbnails //false /EmbedAllFonts //true /GrayACSImageDict .prepressACSImageDict /GrayImageDownsampleType /Subsample /GrayImageResolution 600 /DownsampleGrayImages //false /MonoImageDownsampleType /Subsample /MonoImageResolution 1200 /DownsampleMonoImages //false /NeverEmbed [] /PreserveEPSInfo //true /PreserveOPIComments //true /PreserveOverprintSettings //true /UCRandBGInfo /Preserve /PreserveHalftoneInfo //true /TransferFunctionInfo /Preserve%% Deprecated in 9.06
%% /MaxViewerMemorySize 8000000
/CompressPages //false /CompressFonts //true /ASCII85EncodePages //true.dicttomark readonly
.dicttomark readonly def
% ---------------- End of predefined configurations ---------------- %
% ---------------- 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} .internalbind 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 } .internalbind /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 } .internalbind /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.
% Note that \004 may be self-delimiting in gs, but is not in standard PS.
dup .namestring (\000\004\011\012\014\015 %()/<>[]{}) .stringbreak //null ne { dup .namestring (\000) .stringbreak //null ne { 1 index <000000> writestring 1 index exch write===only 1 index exch 0 write 0 write }{ 1 index <0000> writestring 1 index exch write===only 0 write }ifelse } { write===only } ifelse } .internalbind /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 } .internalbind.dicttomark readonly def/pdf===only { % <file> <obj> pdf===only -
.pdf===dict 1 index type .knownget { exec } { write===only } ifelse} .internalbind 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} .internalbind 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} .internalbind 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} .internalbind def/.pdfcvsall { % -mark- values ... markname .pdfcvsall <<same>>
0 1 .pdfcvsloop} .internalbind def/.pdfcvseven { % -mark- key value ... markname .pdfcvseven <<same>>
1 2 .pdfcvsloop} .internalbind def/.pdfcvsnone { % -mark- values ... markname .pdfcvsnone <<same>>
100000 1 .pdfcvsloop} .internalbind def/.pdfcvsfirst { % -mark- first values ... markname .pdfcvsfirst<<same>>
.pdfcvsnone dup 0 2 copy get .pdfcvs put} .internalbind 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 } .internalbind % Unpack the array for PUTINTERVAL.
/PUTINTERVAL { pop aload pop /.PUTINTERVAL .pdfcvsall } .internalbind.dicttomark readonly def/.pdfparamerror { % ? ? ? -mark- ... <errname> <opname> .pdfparamerror -
counttomark 4 add 2 roll cleartomark pop pop pop .systemvar exch signalerror} .internalbind def
/.CountLeafs { 0 exch { oforce dup type /dicttype eq { /Limits knownoget { dup type /arraytype eq { 1 get 2 copy lt { exch pop }{ pop }ifelse }{ (invalid number tree, /Limits not an array\n) print pop pop 0 exit } ifelse }{ (invalid number tree, /Limits not defined in intermediate or leaf node\n) print pop pop 0 exit }ifelse } { (invalid number tree, /Kids entry not a dictionary\n) print pop pop 0 exit } ifelse } forall} .internalbind def
/.ExtractLeafs{ { oforce dup /Nums knownoget { exch pop dup length 1 sub 0 2 3 -1 roll { %% dict array index
dup %% dict array index index
2 index exch get %% dict array index
20 string cvs cvn %% dict array index name
exch 1 add %% dict array name index+1
2 index exch oget %% dict array name object
3 index %% dict array name object dict
3 1 roll %% dict array dict name object
put %% dict array
} for pop %% array
}{ /Kids knownoget { .ExtractLeafs } if } ifelse } forall} .internalbind def
/.pdfpagelabels { dup type /dicttype eq { dup /Nums knownoget { exch pop mark exch 0 1 2 index length 1 sub { 1 index exch oget exch } for pop counttomark array astore 1 dict dup begin exch /Nums exch def end .pdfcvs mark /pdfpagelabels 3 -1 roll .pdfputparams dup type /booleantype ne { /pdfpagelabels .pdfparamerror } if cleartomark }{ /Kids knownoget { dup .CountLeafs dup 1000 ge { (PageLabel tree too complex, ignoring PageLabels\n) print flush pop pop }{ dict exch .ExtractLeafs mark exch dup length 0 1 3 -1 roll { dup 20 string cvs cvn %% mark dict index name
2 index exch .knownget{ %% mark ... dict index object
3 -1 roll %% mark ... index object dict
}{ pop }ifelse } for pop counttomark array astore 1 dict dup begin exch /Nums exch def end .pdfcvs mark /pdfpagelabels 3 -1 roll .pdfputparams dup type /booleantype ne { /pdfpagelabels .pdfparamerror } if cleartomark }ifelse }{ (Invalid number tree in PageLabels, ignoring PageLabels\n) print flush }ifelse }ifelse }{ /pdfpagelabels .pdfparamerror } ifelse} .internalbind def
/pdfmark { % -mark- <key> <value> ... <markname> pdfmark -
counttomark 0 eq { /pdfmark cvx /stackunderflow signalerror } if dup type /nametype eq not { /pdfmark cvx /typecheck signalerror } if 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 systemdict /PDFA .knownget not { //false }{0 eq {//false}{//true} ifelse} ifelse or and { % Execute it since PDF/X doesn't allow to embed it.
pop { dup mark eq { pop exit } if 1 index /DataSource eq { exch pop 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} odefuserdict /pdfmark .undefcurrentdict /.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'.
systemdict /.pdf_hooked_DSC_Creator .knownget { {//false}{//true} ifelse } { //true } ifelse
{ /WantsToUnicode /GetDeviceParam .special_op { exch pop }{ //true }ifelse { /Creator .knownget { (PScript5.dll) search { pop pop systemdict /resourcestatus dup { dup /FontType eq 2 index 32 eq and { pop pop //false } { resourcestatus } ifelse } .internalbind .makeoperator .forceput systemdict /.pdf_hooked_DSC_Creator //true .forceput } executeonly if pop } executeonly if } { pop } ifelse } executeonly { pop } ifelse} .forcebind odef % must be bound and hidden for .forceput
% 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 //== exec 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} .internalbind defcurrentdict /.pdf_hook_DSC_Creator undef/.initialize_dsc_parser where { pop 3000 % priority
{ % When running gpdl, due to the way gpdl has to do job encapsulation
% the scheduled initialisation procedures get run at the start of each
% job. Because this patches the existing procedure, it could end up
% patching itself, so the procedure got larger/deeper with each job.
% Eventually, copying the user params (see /.setuserparams2 in gs_lev2.ps)
% would end up overflowing the exec stack.
% So, as part of the patching, we push and pop a sacrificial name object
% at the start of the executable array and before patching, we check that
% first element, and if it is that name, we skip the patching
currentuserparams /ProcessDSCComment .knownget { dup type /arraytype eq { 0 get /.pdf_hook_DSC_Creator eq { //false } { //true } ifelse } { //true } ifelse } { //true } ifelse
{ currentglobal //true setglobal 2 dict dup .initialize_dsc_parser readonly currentuserparams /ProcessDSCComment get 1 array astore % in case the value is executable
/.pdf_hook_DSC_Creator /pop load 4 2 roll //.pdfdsc /exec load 6 array astore cvx readonly << /ProcessDSCComment 3 -1 roll >> setuserparams setglobal } if } .internalbind .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 { } % PDF/X parameters
/PDFXTrimBoxToMediaBoxOffset { } /PDFXSetBleedBoxToMediaBox { } /PDFXBleedBoxToTrimBoxOffset { } % Color sampled image parameters
/ColorACSImageDict { } /AntiAliasColorImages { } /AutoFilterColorImages { } /ColorImageDepth { } /ColorImageDict { } /DownsampleColorImages { } /ColorImageDownsampleThreshold { } /ColorImageDownsampleType { } /ColorImageAutoFilterStrategy { } /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 { } /GrayImageAutoFilterStrategy { } /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 type /booleantype eq } { //false } ifelse { dup 0 get { dup length 1 sub 1 exch getinterval } { dup length 1 sub 1 exch getinterval exch pop /~AlwaysEmbed exch } ifelse } { exch pop /.AlwaysEmbed exch } ifelse } /NeverEmbed { dup length 0 gt { dup 0 get type /booleantype eq } { //false } ifelse { dup 0 get { dup length 1 sub 1 exch getinterval } { dup length 1 sub 1 exch getinterval exch pop /~NeverEmbed exch } ifelse } { exch pop /.NeverEmbed exch } ifelse } /CannotEmbedFontPolicy { } /EmbedAllFonts { } /MaxSubsetPct { } /SubsetFonts { } /DSCEncodingToUnicode { } /PassThroughJPEGImages { } /PassThroughJPXImages { } /PSDocOptions { } /PSPageOptions { } /PSPageOptionsWrap { } /AlwaysOutline { } /NeverOutline { }.dicttomark readonly def/.distillerdevice { % Check to see if the current device is a Distiller
% and return it if so.
/IsDistiller /GetDeviceParam .special_op { exch pop }{ //false }ifelse { currentdevice } { /pdfwrite finddevice } ifelse } .internalbind 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 { % Check to see if the current device is a Distiller
/IsDistiller /GetDeviceParam .special_op { exch pop not }{ //true }ifelse { /setdistillerparams cvx /undefined signalerror } if .setdistillerparams} .internalbind odef/currentdistillerparams { % Check to see if the current device is a Distiller
/IsDistiller /GetDeviceParam .special_op { exch pop not }{ //true }ifelse { /currentdistillerparams cvx /undefined signalerror } if .currentdistillerparams} .internalbind odef
% Patch 'where' so that the distiller operators are only visible
% if the pdfwrite device is the current one.
{ % Check to see if the current device is a Distiller
/IsDistiller /GetDeviceParam .special_op { exch pop }{ //false }ifelse { .where } { .where pop dup //systemdict eq { pop //false } { //true } ifelse } ifelse} .internalbind{ /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 % Check to see if the current device is a Distiller
/IsDistiller /GetDeviceParam .special_op { exch pop not }{ //true }ifelse { pop //false } if } { known } ifelse } { known } ifelse} .forcebind odef
% Create a table for translation DSC comments into Unicode UTF-16
/.make_DSC_translation_table { % <encoding> .make_DSC_translation_table <array>
dup type /stringtype eq { cvn } if dup type /nametype eq { /Encoding findresource } if dup length array exch % [out] [in]
0 1 2 index length 1 sub { % [out] [in] i
dup 2 index exch get % [out] [in] i n
dup dup //null eq exch /.notdef eq or { pop -1 } { dup //AdobeGlyphList exch .knownget { % [out] [in] i n c
dup type dup /arraytype eq exch /packedarraytype eq or { 0 get % fixme: using the 1st char
} if exch pop % [out] [in] i c
} { % [out] [in] i n
(DSCEncoding defines a character that is not in AdobeGlyphList : ) exch .namestring concatstrings = /.make_DSC_translation_table cvx /undefined signalerror } ifelse } ifelse 3 index % [out] [in] i c [out]
3 1 roll put % [out] [in]
} for pop % [out]
} .internalbind def
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.
% Check to see if the current device wants ToUnicode info
/WantsToUnicode /GetDeviceParam .special_op { exch pop }{ //false }ifelse systemdict /ProvideUnicode .knownget not { //false } if or { currentglobal //true setglobal /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 setglobal } if} .internalbind .schedule_init
1010 % priority
{ % Set a predefined configuration in the distiller device (pdfwrite)
/PDFSETTINGS where { pop /PDFSETTINGS load } { % We use the presence of the OPDFRead key as a proxy for a pdfwrite-family device
/ForOPDFRead /GetDeviceParam .special_op { % Get rid of the OPDFRead key
exch pop % and then check the value to see if its pdfwrite or ps2write
{ /PSL2Printer } { /default } ifelse } { /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 % We use the presence of the OPDFRead key as a proxy for a pdfwrite-family device
/ForOPDFRead /GetDeviceParam .special_op { % Get rid of the OPDFRead key
exch pop % Then check to see if OPDFRead is true or not
not { systemdict /PDFX known systemdict /PDFA known or { /DSCEncoding where { /DSCEncoding get .make_DSC_translation_table /DSCEncodingToUnicode exch def } if } if } if } if currentdict end .setdistillerparams .distillerdevice //null //false mark .putdeviceparams dup type /booleantype eq not { cleartomark pop } if pop pop} .internalbind .schedule_init
2000 % priority
{ % Note, this may not work if the initial device is not pdfwrite
% We use the presence of the OPDFRead key as a proxy for a pdfwrite-family device
/ForOPDFRead /GetDeviceParam .special_op { % Get rid of the OPDFRead key and value
pop pop % Inform the device with initial graphic state. See gdev_pdf_fill_path.
newpath fill } if} .internalbind .schedule_init
.setlanguagelevel
%END PDFWR
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