diff options
Diffstat (limited to 'main/ghostscript/0002-Bug-700599-Issue-an-error-message-if-an-ExtGstate-is.patch')
-rw-r--r-- | main/ghostscript/0002-Bug-700599-Issue-an-error-message-if-an-ExtGstate-is.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/main/ghostscript/0002-Bug-700599-Issue-an-error-message-if-an-ExtGstate-is.patch b/main/ghostscript/0002-Bug-700599-Issue-an-error-message-if-an-ExtGstate-is.patch new file mode 100644 index 00000000000..5da83ab565c --- /dev/null +++ b/main/ghostscript/0002-Bug-700599-Issue-an-error-message-if-an-ExtGstate-is.patch @@ -0,0 +1,41 @@ +From: Ray Johnston <ray.johnston@artifex.com> +Date: Mon, 18 Feb 2019 12:11:45 -0800 +Subject: Bug 700599: Issue an error message if an ExtGstate is not found. +Origin: http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=be86d2ff2f0f0ea0e365707f3be0fa0c9e7315ee +Bug: https://bugs.ghostscript.com/show_bug.cgi?id=700599 + +Previously, this was silently ignored. Only issue a single warning, +and respect PDFSTOPONERROR to prevent continuing with potentially +incorrect output. + +Note that tests_private/pdf/uploads/bug696410.pdf also now gets this +error message (ExtGState" instead of ExtGState in object 10). +--- + Resource/Init/pdf_draw.ps | 11 ++++++++++- + 1 file changed, 10 insertions(+), 1 deletion(-) + +diff --git a/Resource/Init/pdf_draw.ps b/Resource/Init/pdf_draw.ps +index 75b5eb622b52..c0201ad65da2 100644 +--- a/Resource/Init/pdf_draw.ps ++++ b/Resource/Init/pdf_draw.ps +@@ -494,7 +494,16 @@ end + dup { + oforce exch gsparamdict exch .knownget { exec } { pop } ifelse + } forall pop +- } if ++ } { ++ //pdfdict /.gs_warning_issued known not { ++ (\n **** Error 'gs' ignored -- ExtGState missing from Resources.\n) ++ pdfformaterror ++ ( Output may be incorrect.\n) pdfformaterror ++ //pdfdict /.gs_warning_issued //true .forceput ++ PDFSTOPONERROR { /gs /undefined signalerror } if ++ } if ++ } ++ ifelse + } bind executeonly def + + % ------ Transparency support ------ % +-- +2.20.1 + |