Edit File: gs_pdfwr.ps
% Copyright (C) 2001-2019 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., 1305 Grant Avenue - Suite 200, Novato, % CA 94945, U.S.A., +1(415)492-9861, 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. { /pdfwrite finddevice pop } .internalstopped {pop pop (%END PDFWR) .skipeof} if 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 1 /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 .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 ---------------- % % 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. % 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 } 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 /.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 } bind 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 } bind 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 } bind def /pdfmark { % -mark- <key> <value> ... <markname> pdfmark - counttomark 0 eq { /pdfmark /stackunderflow signalerror } if dup type /nametype eq not { /pdfmark /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 } 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'. 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 } bind .makeoperator .forceput systemdict /.pdf_hooked_DSC_Creator //true .forceput } executeonly if pop } executeonly if } { pop } ifelse } executeonly { pop } ifelse } .bind executeonly 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 } 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 { } % 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 { } /PSDocOptions { } /PSPageOptions { } .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 } 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 { % Check to see if the current device is a Distiller /IsDistiller /GetDeviceParam .special_op { exch pop not }{ //true }ifelse { /setdistillerparams /undefined signalerror } if .setdistillerparams } bind odef /currentdistillerparams { % Check to see if the current device is a Distiller /IsDistiller /GetDeviceParam .special_op { exch pop not }{ //true }ifelse { /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. { % 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 } 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 % 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 } .bind 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] } bind 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 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 } { % 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 } bind .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 } bind .schedule_init .setlanguagelevel %END PDFWR
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