diff options
Diffstat (limited to 'Resource/Init/pdf_main.ps')
| -rw-r--r-- | Resource/Init/pdf_main.ps | 156 |
1 files changed, 122 insertions, 34 deletions
diff --git a/Resource/Init/pdf_main.ps b/Resource/Init/pdf_main.ps index 038c19d1..3259c0fe 100644 --- a/Resource/Init/pdf_main.ps +++ b/Resource/Init/pdf_main.ps @@ -1,4 +1,4 @@ -% Copyright (C) 2001-2021 Artifex Software, Inc. +% Copyright (C) 2001-2022 Artifex Software, Inc. % All Rights Reserved. % % This software is provided AS-IS with no warranty, either express or @@ -218,7 +218,7 @@ DingbatsEncoding pop % Redefine 'run' so it recognizes PDF files. systemdict begin -systemdict /NEWPDF known not {/NEWPDF //false def} if +systemdict /NEWPDF known not {/NEWPDF //true def} if % PostScript interface to the ghostpdf C-based interpreter % @@ -405,8 +405,7 @@ systemdict /NEWPDF known not {/NEWPDF //false def} if % Stack - box boxwidth boxheight mediawidth mediaheight % Incorporate up any offset from 0,0 - 4 index aload pop pop pop neg exch neg exch - 2 copy exch + 4 index aload pop pop pop neg exch neg translate % Now use the box and media values to calculate the required x/y scale factors @@ -419,7 +418,6 @@ systemdict /NEWPDF known not {/NEWPDF //false def} if gt {exch} if % select smallest scale factor pop % dup scale % and scale page isomorphically - pop pop } bind def /newpdf_get_media_box { % <pagedict> get_media_box <box> <bool> @@ -444,32 +442,78 @@ systemdict /NEWPDF known not {/NEWPDF //false def} if ( Output may be incorrect.\n) newpdf_pdfformaterror [ 0 0 currentpagedevice /PageSize get aload pop ] //false } ifelse -%(newpdf_get_media_box end) == flush +} bind executeonly def + +% [llx lly urx ury] newpdf_check_empty_box [llx lly urx ury] true | false +% rturns true and the original array if its valid, otherwise returns false +/newpdf_check_empty_box +{ + dup type /arraytype eq + { + dup aload pop + dup 3 index eq + { + //true + } + { + 1 index 4 index eq + } ifelse + { + pop pop pop pop + ( **** Warning: File has an empty Box parameter.\n) print + ( Using the MediaBox instead.\n) print + ( Output may be incorrect.\n) print flush + pop //false + } + { + pop pop pop pop + //true + } ifelse + } + { + ( **** Warning: File has an invalid Box parameter.\n) print + ( Using the MediaBox instead.\n) print + ( Output may be incorrect.\n) print flush + pop //false + } ifelse } bind executeonly def /newpdf_get_any_box { % <pagedict> get_any_box <box name> <box> -%(newpdf_get_any_box start) == flush //systemdict /UseBleedBox .knownget dup { and } if { - dup /BleedBox get { - /BleedBox exch + dup /BleedBox .knownget { + newpdf_check_empty_box + { + /BleedBox exch + } if } if } if - //systemdict /UseTrimBox .knownget dup { and } if { - dup /TrimBox get { - /TrimBox exch + dup type /arraytype ne { + //systemdict /UseTrimBox .knownget dup { and } if { + dup /TrimBox .knownget { + newpdf_check_empty_box + { + /TrimBox exch + } if + } if } if } if dup type /arraytype ne { //systemdict /UseArtBox .knownget dup { and } if { - dup /ArtBox get { - /ArtBox exch + dup /ArtBox .knownget { + newpdf_check_empty_box + { + /ArtBox exch + } if } if } if } if dup type /arraytype ne { //systemdict /UseCropBox .knownget dup { and } if { - dup /CropBox get { - /CropBox exch + dup /CropBox .knownget { + newpdf_check_empty_box + { + /CropBox exch + } if } if } if } if @@ -484,6 +528,7 @@ systemdict /NEWPDF known not {/NEWPDF //false def} if %% content when we st up the CTM, but we do need to make sure that we clamp %% the BoundingBox, and that means we need to take direcitonality into account... + aload pop 6 -1 roll newpdf_get_media_box { % /SomeBox x0 y0 x1 y1 [MediaBox] aload pop % /SomeBox x0 y0 x1 y1 X0 Y0 X1 Y1 @@ -556,6 +601,30 @@ systemdict /NEWPDF known not {/NEWPDF //false def} if dup dup newpdf_get_any_box % Stack: pdfpagedict pdfpagedict /BoxName [box] + % Check that the box is 'normal' and make it so if not + % Also check the array is 4 elements and if it isn't then use the + % current PageSize. The normalise arithmetic assumes the array is a 4 + % element array. + dup length 4 ne { + % Invalid size of mediabox + pop currentpagedevice /PageSize get + } { + aload 5 1 roll % array x1 y1 x2 y2 + exch % array x1 y1 y2 x2 + 4 -1 roll % array y1 y2 x2 x1 + 2 copy gt { + exch % array y1 y2 xmin xmax + } if + 4 -2 roll % array xmin xmax y1 y2 + 2 copy gt { + exch % array xmin xmax ymin ymax + } if + 4 1 roll + exch 4 -1 roll + 5 -1 roll + astore + } ifelse + //systemdict /PDFFitPage known { NewPDF_FitPage } { @@ -688,7 +757,9 @@ systemdict /NEWPDF known not {/NEWPDF //false def} if } { pop } ifelse - } if + } { + pop + }ifelse pop } bind executeonly def @@ -704,10 +775,11 @@ systemdict /NEWPDF known not {/NEWPDF //false def} if /newpdf_gather_parameters { 10 dict begin - /PDFSwitches [ /PDFPassword /PDFDEBUG /PDFSTOPONERROR /PDFSTOPONWARNING /NOTRANSPARENCY /FirstPage /LastPage - /NOCIDFALLBACK /NO_PDFMARK_OUTLINES /NO_PDFMARK_DESTS /PDFFitPage /Printed + /PDFSwitches [ /QUIET /PDFPassword /PDFDEBUG /PDFSTOPONERROR /PDFSTOPONWARNING /NOTRANSPARENCY /FirstPage /LastPage + /PDFNOCIDFALLBACK /NO_PDFMARK_OUTLINES /NO_PDFMARK_DESTS /PDFFitPage /Printed /UsePDFX3Profile /UseBleedBox /UseCropBox /UseArtBox /UseTrimBox /ShowAcroForm /ShowAnnots /PreserveAnnots - /NoUserUnit /RENDERTTNOTDEF /DOPDFMARKS /PDFINFO /SHOWANNOTTYPES /PRESERVEANNOTTYPES] def + /NoUserUnit /RENDERTTNOTDEF /DOPDFMARKS /PDFINFO /SHOWANNOTTYPES /PRESERVEANNOTTYPES + /CIDSubstPath /CIDSubstFont /IgnoreToUnicode /NONATIVEFONTMAP ] def 0 1 PDFSwitches length 1 sub { PDFSwitches exch get dup where { @@ -935,8 +1007,8 @@ systemdict /NEWPDF known not {/NEWPDF //false def} if % These are also for the benefit of pdf2dsc, which assumes they % are available. - /knownoget {2 copy known {get //true}{pop //false}ifelse} bind def - /pget {2 copy known {get //true}{pop //false}ifelse}bind def + /knownoget {2 copy known {get //true}{pop pop //false}ifelse} bind def + /pget {2 copy known {get //true}{pop pop //false}ifelse}bind def newpdf_gather_parameters {.PDFInit} stopped @@ -986,7 +1058,11 @@ systemdict /NEWPDF known not {/NEWPDF //false def} if ( **** Error: Page drawing error occured.\n) newpdf_pdfformaterror ( Output may be incorrect.\n) newpdf_pdfformaterror } if - showpage + {showpage} stopped + { + ( **** Error: Page drawing error occured.\n) newpdf_pdfformaterror + ( Could not draw this page at all, page will be missing in the output.\n) newpdf_pdfformaterror + } if grestore } bind def @@ -1053,7 +1129,6 @@ systemdict /NEWPDF known not {/NEWPDF //false def} if {//true} ifelse { - QUIET not { (Page ) print dup //== exec flush } if dup pdfgetpage dup //null ne { exch 1 index @@ -3567,11 +3642,9 @@ currentdict /PDF2PS_matrix_key undef % the pages resources. It may be high if a spot color is in a resource but % is not actually used on the page. currentpagedevice /PageSpotColors known { - /PageSpotColors 2 index countspotcolors - userdict /PageSpotColors 2 index put - def + /PageSpotColors 2 index countspotcolors def + /SeparationColorNames userdict 1 index get def } if - % If the user told us to use a named OutputIntent systemdict /UseOutputIntent .knownget { cvn @@ -3640,7 +3713,7 @@ currentdict /PDF2PS_matrix_key undef % Overprint is /enable, so the device might need the overprint compositor % if it does not support spot colors, thus check if overprint is used so % overprint simulation can be done with the pdf14 compositor - 1 index countspotcolors userdict exch /PageSpotColors exch put % save it in a known place + 1 index countspotcolors pop 1 index pageusesoverprint 1 index /ProcessColorModel get /DeviceCMYK eq { PageSpotColors 0 gt % count of colorants NOT including CMYK @@ -3949,9 +4022,11 @@ currentdict /PDF2PS_matrix_key undef not and //systemdict /PreserveAnnots .knownget not {//true} if and { - mark exch {preserveannot} PDFSTOPONERROR {exec}{stopped {(Error: Ignoring invalid annotation, output may be incorrect.\n) pdfformaterror} if} ifelse {cleartomark} stopped pop + mark exch {preserveannot} PDFSTOPONERROR {exec}{stopped {(Error: Ignoring invalid annotation, output may be incorrect.\n) pdfformaterror} if} ifelse {cleartomark} stopped + {(Error: Failed to clean up after annotation, output may be incorrect.\n) pdfformaterror}if }{ - mark exch {drawannot} PDFSTOPONERROR {exec}{stopped {(Error: Ignoring invalid annotation, output may be incorrect.\n) pdfformaterror} if} ifelse {cleartomark} stopped pop + mark exch {drawannot} PDFSTOPONERROR {exec}{stopped {(Error: Ignoring invalid annotation, output may be incorrect.\n) pdfformaterror} if} ifelse {cleartomark} stopped + {(Error: Failed to clean up after annotation, output may be incorrect.\n) pdfformaterror}if } ifelse } { pop @@ -4497,11 +4572,22 @@ currentdict /PDF2PS_matrix_key undef % Note: This count does not include Cyan, Magenta, Yellow, or Black /countspotcolors { % <pagedict> countspotcolors <count> pagespotcolors % Get dict with all spot colors - dup length % spot color dict length % Remove CMYK from the spot color count. [ /Cyan /Magenta /Yellow /Black ] - { 2 index exch known { 1 sub } if } forall - exch pop % Remove spot color dict + { + dup 2 index exch known { + 1 index exch undef + } { + pop + } ifelse + } forall + dup length dup + userdict exch /PageSpotColors exch put % save it in a known place + exch + userdict /SeparationColorNames 2 index + [ exch { pop } forall ] + put % and save the SpotColorNames array in a known place + pop % done with spot color dict } bind executeonly def % ------ ColorSpace substitution support ------ % @@ -4834,6 +4920,8 @@ currentdict /PDF2PS_matrix_key undef pop }bind readonly def +/NestedPatterns <<>> def + end % pdfdict |