OpenSystemsDevelopment / qpdf

Commit e4e0f40fc0b9fe74865898b640ff82f84996bb5d

Authored by Jay Berkenbilt
1 parent 126b0269

Fix annotations properly for page with no /Resources (fixes #827)

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Showing 6 changed files with 828 additions and 3 deletions
ChangeLog
  View file @e4e0f40
  1 +2023-01-09 Jay Berkenbilt <ejb@ql.org>
  2 +
  3 + * Bug fix: flatten annotations should handle a page with no
  4 + /Resources key. Fixes #827.
  5 +
1 6 2022-11-20 Jay Berkenbilt <ejb@ql.org>
2 7  
3 8 * 11.2.0: release
... ...
libqpdf/QPDFPageDocumentHelper.cc
  View file @e4e0f40
... ... @@ -67,9 +67,11 @@ QPDFPageDocumentHelper::flattenAnnotations(
67 67 for (auto& ph: getAllPages()) {
68 68 QPDFObjectHandle resources = ph.getAttribute("/Resources", true);
69 69 if (!resources.isDictionary()) {
70   - // This should never happen and is not exercised in the
71   - // test suite
72   - resources = QPDFObjectHandle::newDictionary();
  70 + QTC::TC(
  71 + "qpdf",
  72 + "QPDFPageDocumentHelper flatten resources missing or invalid");
  73 + resources = ph.getObjectHandle().replaceKeyAndGetNew(
  74 + "/Resources", QPDFObjectHandle::newDictionary());
73 75 }
74 76 flattenAnnotationsForPage(
75 77 ph, resources, afdh, required_flags, forbidden_flags);
... ...
qpdf/qpdf.testcov
  View file @e4e0f40
... ... @@ -679,3 +679,4 @@ QPDFPageObjectHelper copied fallback 0
679 679 QPDFPageObjectHelper used fallback without copying 0
680 680 QPDF skipping cache for known unchecked object 0
681 681 QPDF fix dangling triggered xref reconstruction 0
  682 +QPDFPageDocumentHelper flatten resources missing or invalid 0
... ...
qpdf/qtest/flatten-annotations.test
  View file @e4e0f40
... ... @@ -55,6 +55,7 @@ my @annotation_files = (
55 55 'sample-form',
56 56 'need-appearances',
57 57 'need-appearances-more',
  58 + 'annotation-no-resources',
58 59 );
59 60 $n_tests += 2 * scalar(@annotation_files);
60 61  
... ...
qpdf/qtest/qpdf/annotation-no-resources-out.pdf 0 → 100644
  View file @e4e0f40
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... ...
qpdf/qtest/qpdf/annotation-no-resources.pdf 0 → 100644
  View file @e4e0f40
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... ...