Blame SOURCES/ghostscript-pdf2dsc-regression.patch

6bfa55
From db24f253409d5d085c2760c814c3e1d3fa2dac59 Mon Sep 17 00:00:00 2001
6bfa55
From: Ray Johnston <ray.johnston@artifex.com>
6bfa55
Date: Tue, 19 Mar 2019 09:25:48 -0700
6bfa55
Subject: Fix lib/pdf2dsc.ps to use documented Ghostscript pdf procedures.
6bfa55
6bfa55
We eliminated GS_PDF_ProcSet and pdfdict, but runpdfbegin, dopdfpages,
6bfa55
and runpdfend are still available.
6bfa55
6bfa55
diff --git a/lib/pdf2dsc.ps b/lib/pdf2dsc.ps
6bfa55
index 4547849c2..d836bf320 100644
6bfa55
--- a/lib/pdf2dsc.ps
6bfa55
+++ b/lib/pdf2dsc.ps
6bfa55
@@ -52,10 +52,7 @@ systemdict /.setsafe known { .setsafe } if
6bfa55
 /DSCstring 255 string def
6bfa55
 /MediaTypes 10 dict def
6bfa55
 
6bfa55
-   GS_PDF_ProcSet begin
6bfa55
-   pdfdict begin
6bfa55
-   PDFfile
6bfa55
-   pdfopen begin
6bfa55
+   PDFfile runpdfbegin
6bfa55
    /FirstPage where { pop } { /FirstPage 1 def } ifelse
6bfa55
    /LastPage where { pop } { /LastPage pdfpagecount def } ifelse
6bfa55
 
6bfa55
@@ -108,13 +105,12 @@ systemdict /.setsafe known { .setsafe } if
6bfa55
    (%%BeginProlog\n) puts
6bfa55
    (/Page null def\n/Page# 0 def\n/PDFSave null def\n) puts
6bfa55
    (/DSCPageCount 0 def\n) puts
6bfa55
-   (/DoPDFPage {dup /Page# exch store pdfgetpage pdfshowpage } def\n) puts
6bfa55
-   (GS_PDF_ProcSet begin\npdfdict begin\n) puts
6bfa55
+   (/DoPDFPage {dup /Page# exch store dup dopdfpages } def\n) puts
6bfa55
    (%%EndProlog\n) puts
6bfa55
    (%%BeginSetup\n) puts
6bfa55
    DSCfile PDFname write==only
6bfa55
    ( \(r\) file { DELAYSAFER { .setsafe } if } stopped pop\n) puts
6bfa55
-   ( pdfopen begin\n) puts
6bfa55
+   ( runpdfbegin\n) puts
6bfa55
    ( process_trailer_attrs\n) puts
6bfa55
    (%%EndSetup\n) puts
6bfa55
 
6bfa55
@@ -239,13 +235,10 @@ systemdict /.setsafe known { .setsafe } if
6bfa55
        DSCfile exch DSCstring cvs writestring
6bfa55
        ( DoPDFPage\n) puts
6bfa55
     } for
6bfa55
-   currentdict pdfclose
6bfa55
-   end
6bfa55
-   end
6bfa55
-   end
6bfa55
+    runpdfend
6bfa55
 % write trailer
6bfa55
 (%%Trailer\n) puts
6bfa55
-(currentdict pdfclose\nend\nend\nend\n) puts
6bfa55
+(runpdfend\n) puts
6bfa55
 (%%EOF\n) puts
6bfa55
 % close output file and exit
6bfa55
 DSCfile closefile