vcl/source/gdi/pdfwriter_impl.cxx | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
New commits:
commit 16ef71ab4f3c8fcc2d50ee3f9097820af77765c3
Author: Tomaž Vajngerl <tomaz.vajng...@collabora.co.uk>
AuthorDate: Fri Dec 13 00:09:48 2024 +0900
Commit: Miklos Vajna <vmik...@collabora.com>
CommitDate: Mon Dec 16 14:00:14 2024 +0100
pdf: Don't write non-standard LO keys when using PDF/A or PDF/UA
We write /DocChecksum and /AdditionalStreams entries into the
trailer dictionary, which is not allowed by the standard in any
case. To avoid a potential compliance checker to report errors
because of this, the writing is shorted out if PDF/A or PDF/UA
are enabled.
Change-Id: I98247e89f1984f158ffbcb78b9e3713fcab053fe
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/178414
Tested-by: Jenkins CollaboraOffice <jenkinscollaboraoff...@gmail.com>
Reviewed-by: Miklos Vajna <vmik...@collabora.com>
diff --git a/vcl/source/gdi/pdfwriter_impl.cxx
b/vcl/source/gdi/pdfwriter_impl.cxx
index 42bbe5c22bfa..f94e093a1492 100644
--- a/vcl/source/gdi/pdfwriter_impl.cxx
+++ b/vcl/source/gdi/pdfwriter_impl.cxx
@@ -6176,14 +6176,21 @@ bool PDFWriterImpl::emitTrailer()
aLine.append( "> ]
" );
}
- if( !aDocChecksum.isEmpty() )
+ // Writes the /DocChecksum - hash off the PDF stream
+ // This entry is not defined in the standard, so don't write it if we
+ // are using PDF/UA or PDF/A as the compliance checkers will complain.
+ // Actually we shouldn't write it at all...
+ if (!aDocChecksum.isEmpty() && !m_bIsPDF_UA && m_nPDFA_Version == 0)
{
aLine.append( "/DocChecksum /" );
aLine.append( aDocChecksum );
aLine.append( "
" );
}
- if (!m_aDocumentAttachedFiles.empty())
+ // Writes the /AdditionalStreams - writes the embedded / attached files
into the PDF
+ // This entry is not defined in the standard, so don't write it if we
+ // are using PDF/UA or PDF/A as the compliance checkers will complain.
+ if (!m_aDocumentAttachedFiles.empty() && !m_bIsPDF_UA && m_nPDFA_Version
== 0)
{
aLine.append( "/AdditionalStreams [" );
for (auto const& rAttachedFile : m_aDocumentAttachedFiles)
