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Posted to dev@pdfbox.apache.org by "Joerg Neumann (JIRA)" <ji...@apache.org> on 2018/01/05 12:20:00 UTC
[jira] [Closed] (PDFBOX-4051) Different DestOutputProfiles in
OutputIntentArray after PDFMergerUtility.Merge leads to non-conformity
[ https://issues.apache.org/jira/browse/PDFBOX-4051?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Joerg Neumann closed PDFBOX-4051.
---------------------------------
Resolution: Not A Bug
> Different DestOutputProfiles in OutputIntentArray after PDFMergerUtility.Merge leads to non-conformity
> ------------------------------------------------------------------------------------------------------
>
> Key: PDFBOX-4051
> URL: https://issues.apache.org/jira/browse/PDFBOX-4051
> Project: PDFBox
> Issue Type: Bug
> Components: Utilities
> Affects Versions: 2.0.6
> Reporter: Joerg Neumann
> Priority: Minor
> Attachments: 2018-01-05 07_14_30-Validation Report.jpg
>
>
> Hi ... not sure if thats a bug or not, so i just shoot:
> Im merging some pdfs that conform to the pdfa-1b standard with PdfMergerUtility.merge.
> The result has to be pdfa-1b conform as well.
> So my code is like
> {code:java}
> public ByteArrayOutputStream merge(final List<InputStream> sources) throws IOException {
> try (
> ByteArrayOutputStream mergedPDFOutputStream = new ByteArrayOutputStream();
> COSStream cosStream = new COSStream()
> ) {
> PDFMergerUtility pdfMerger = createPDFMergerUtility(sources, mergedPDFOutputStream);
> PDDocumentInformation pdfDocumentInfo = createPDFDocumentInfo(TITLE, CREATOR, SUBJECT);
> PDMetadata xmpMetadata = createXMPMetadata(cosStream, TITLE, CREATOR, SUBJECT);
> pdfMerger.setDestinationDocumentInformation(pdfDocumentInfo);
> pdfMerger.setDestinationMetadata(xmpMetadata);
> pdfMerger.mergeDocuments(MemoryUsageSetting.setupMainMemoryOnly());
> return mergedPDFOutputStream;
> } catch (BadFieldValueException | TransformerException e) {
> throw new IOException("PDF merge problem", e);
> } finally {
> for (InputStream source : sources) {
> try {
> source.close();
> } catch (IOException e) {}
> }
> }
> {code}
> This works fine if the pdfs come from the same source, e.g. have similar OutputIntents described in their catalogs.
> But when i mix documents that have different OutputIntents like
> {code:java}
> /OutputIntents
> [
> <<
> /Type /OutputIntent
> /S /GTS_PDFA1
> /OutputConditionIdentifier (sRGB)
> /RegistryName (http://www.color.org)
> /DestOutputProfile 36 0 R
> >>
> ]
> {code}
> and
> {code:java}
> <</OutputIntents[<</Info(Adobe RGB \(1998\))/S/GTS_PDFA1/Type/OutputIntent/DestOutputProfile 1 0 R/OutputConditionIdentifier(Adobe RGB \(1998\))>>]/Metadata 16 0 R/Type/Catalog/StructTreeRoot 15 0 R/MarkInfo<</Marked true>>/Pages 4 0 R>>
> {code}
> the PdfMergerUtility seems to concat them with different DestOutputProfiles:
> {code:java}
> 4 0 obj
> <<
> /Type /OutputIntent
> /S /GTS_PDFA1
> /OutputConditionIdentifier (sRGB)
> /RegistryName (http://www.color.org)
> /DestOutputProfile 17 0 R
> >>
> endobj
> 5 0 obj
> <<
> /Info (Adobe RGB \(1998\))
> /S /GTS_PDFA1
> /Type /OutputIntent
> /DestOutputProfile 18 0 R
> /OutputConditionIdentifier (Adobe RGB \(1998\))
> >>
> endobj
> {code}
> and therefore its no longer conform thanks to Specification: ISO 19005-1:2005, Clause: 6.2.2
> !2018-01-05 07_14_30-Validation Report.jpg|thumbnail!
> when i manually change the file (with a notepad) from "/DestOutputProfile 18 0 R" to "/DestOutputProfile 17 0 R" the file again gains conformity.
> I might be able to re-parse the merged document as PDDocument and modify the OutputIntent-Array in the Catalog, but i dont think thats how it was intended?
> So am i doing something wrong or should PdfMergerUtility not only get a setter for DocumentInformation and MetaData, but some manual way to influence the Outputintents?
> Thanks already.
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