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- % Copyright (C) 1996, 2000 Aladdin Enterprises. All rights reserved.
- %
- % This software is licensed to a single customer by Artifex Software Inc.
- % under the terms of a specific OEM agreement.
-
- % $RCSfile: gs_pdfwr.ps,v $ $Revision: 1.12 $
- % 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 3 predefined settings in Acrobat Distiller 4,
- % plus a "default" setting.
-
- % Parameters common to all configurations.
- % Note that we don't set AlwaysEmbed or NeverEmbed, since the default values
- % depend on the CompatibilityLevel and are initialized internally.
- /.defaultImageDict mark
- /QFactor 0.9 /Blend 1
- /HSamples [2 1 1 2] /VSamples [2 1 1 2]
- .dicttomark readonly def
- /.distillercommon mark
- /ASCII85EncodePages false
- /AntiAliasColorImages false
- /AntiAliasGrayImages false
- /AntiAliasMonoImages false
- /AutoFilterColorImages true
- /AutoFilterGrayImages true
- /AutoFilterMonoImages true
- /AutoPositionEPSFiles true
- /Binding /Left
- % What to do about the CalxxxProfiles?
- /ColorACSImageDict .defaultImageDict
- /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
- /GrayACSImageDict .defaultImageDict
- /GrayImageDepth -1
- /GrayImageDict .defaultImageDict
- /GrayImageDownsampleThreshold 1.5
- /GrayImageFilter /DCTEncode
- /ImageMemory 500000
- /LockDistillerParams false
- /MaxSubsetPct 100
- /MonoImageDepth -1
- /MonoImageDict mark
- /K -1
- .dicttomark readonly
- /MonoImageDownsampleThreshold 1.5
- /MonoImageFilter /CCITTFaxEncode
- /OPM 1
- /Optimize true
- /ParseDSCComments true
- /ParseDSCCommentsForDocInfo true
- /PreserveCopyPage true
- /PreserveEPSInfo true
- /PreserveHalftoneInfo false
- /StartPage 1
- /SubsetFonts true
- /TransferFunctionInfo /Preserve
- /UseFlateCompression true
- /UsePrologue false
- .dicttomark readonly def
-
- /.distillersettings mark
-
- /default mark
- /AutoRotatePages /PageByPage
- /CannotEmbedFontPolicy /Warning
- /DownsampleColorImages false
- /DownsampleGrayImages false
- /DownsampleMonoImages false
- /Optimize false
- .dicttomark readonly
-
- /screen mark
- /AutoRotatePages /PageByPage
- /CannotEmbedFontPolicy /Warning
- /ColorConversionStrategy /sRGB
- /ColorImageDownsampleType /Average
- /ColorImageResolution 72
- /CompatibilityLevel 1.2
- /CreateJobTicket false
- /DoThumbnails false
- /DownsampleColorImages true
- /DownsampleGrayImages true
- /DownsampleMonoImages true
- /EmbedAllFonts false
- /GrayImageDownsampleType /Average
- /GrayImageResolution 72
- /MonoImageDownsampleType /Average
- /MonoImageResolution 300
- /ParseDSCCommentsForDocInfo false
- /PreserveOPIComments false
- /PreserveOverprintSettings false
- /UCRandBGInfo /Remove
- .dicttomark readonly
-
- /.printerACSImageDict mark
- /QFactor 0.55 /Blend 1
- /HSamples [2 1 1 2] /VSamples [2 1 1 2]
- .dicttomark readonly def
- /printer mark
- /AutoRotatePages /None
- /CannotEmbedFontPolicy /Warning
- /ColorACSImageDict .printerACSImageDict
- /ColorConversionStrategy /UseDeviceIndependentColor
- /ColorImageDownsampleType /Bicubic
- /ColorImageResolution 300
- /CompatibilityLevel 1.3
- /CreateJobTicket true
- /DoThumbnails false
- /EmbedAllFonts true
- /GrayACSImageDict .printerACSImageDict
- /GrayImageDownsampleType /Bicubic
- /GrayImageResolution 300
- /MonoImageDownsampleType /Bicubic
- /MonoImageResolution 1200
- /ParseDSCCommentsForDocInfo true
- /PreserveOPIComments true
- /PreserveOverprintSettings true
- /UCRandBGInfo /Preserve
- .dicttomark readonly
-
- /.prepressACSImageDict mark
- /QFactor 0.25
- /HSamples [1 1 1 1] /VSamples [1 1 1 1]
- .dicttomark readonly def
- /prepress mark
- /AutoRotatePages /None
- /CannotEmbedFontPolicy /Error
- /ColorACSImageDict .prepressACSImageDict
- /ColorConversionStrategy /LeaveColorUnchanged
- /ColorImageDownsampleType /Bicubic
- /ColorImageResolution 300
- /CompatibilityLevel 1.3
- /CreateJobTicket true
- /DoThumbnails true
- /EmbedAllFonts true
- /GrayACSImageDict .prepressACSImageDict
- /GrayImageDownsampleType /Bicubic
- /GrayImageResolution 300
- /MonoImageDownsampleType /Bicubic
- /MonoImageResolution 1200
- /ParseDSCCommentsForDocInfo true
- /PreserveOPIComments true
- /PreserveOverprintSettings true
- /UCRandBGInfo /Preserve
- .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
- % Install a level of 'save' to reduce font loading.
- save pop
- } bind def
-
- % ---------------- pdfmark and DSC processing ---------------- %
-
- % 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
- .dicttomark readonly def
- /pdf===only { % <file> <obj> pdf===only -
- .pdf===dict 1 index type .knownget { exec } { write===only } ifelse
- } bind def
- /.pdfcvbuf 10 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 ] 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 1000 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 -
- 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
- } odef
- userdict /pdfmark .undef
- currentdict /.pdfmarkparams .undef
-
- % 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 } 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>
- dup /NOP ne 2 index length 1 gt or { % Skip unparsed comments
- DEBUG { (**** 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
- /.initialize_dsc_parser where {
- pop 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
- } 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 { }
- % 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 /pdfwrite eq
- { currentdevice }
- { /pdfwrite finddevice }
- ifelse
- } bind def
- /setdistillerparams { % <dict> setdistillerparams -
- .distillerdevice null false mark 4 index {
- //.distillerparamkeys 2 index .knownget { exec } { pop pop } ifelse
- } forall .putdeviceparams
- 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
-
- % Patch 'where' so that the distillerparams operators are only visible
- % if the pdfwrite device is the current one, for the benefit of badly
- % designed PostScript files that "know" they have to do something different
- % if a distiller is processing them.
- .wheredict /currentdistillerparams {
- currentdevice .devicename /pdfwrite eq {
- .where
- } {
- .where pop dup //systemdict eq { pop false } { true } ifelse
- } ifelse
- } bind put
- .wheredict /setdistillerparams .wheredict /currentdistillerparams get put
-
- % Set a predefined configuration if PDFSETTINGS is defined.
- /PDFSETTINGS where { pop /PDFSETTINGS load } { /default } 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
-