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authorJaume Pujantell <jaume.pujantell@collabora.com>2023-03-03 19:25:11 +0100
committerAndras Timar <andras.timar@collabora.com>2023-03-07 08:36:01 +0000
commit574e89ccda1b389faca9f3e44d909a71b5599473 (patch)
tree5f88ba089f096f461dafdd6149ec6557b28ee465 /vcl/qa
parent5a41b0a42acac80d7c601f0899c82b9f390bff3d (diff)
Fix a bug parsing pdf arrays
The parser ignored number elements in some situations, like before a reference element. This manifested in creating an invalid pdf file when exporting as pdf a document that contains a pdf. Change-Id: I98625c8da8631056079814f7e824f36177cf41c7 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/148198 Tested-by: Jenkins Reviewed-by: Andras Timar <andras.timar@collabora.com>
Diffstat (limited to 'vcl/qa')
-rw-r--r--vcl/qa/cppunit/filter/ipdf/data/array-mixed-numbers-and-elements.pdf55
-rw-r--r--vcl/qa/cppunit/filter/ipdf/ipdf.cxx25
2 files changed, 80 insertions, 0 deletions
diff --git a/vcl/qa/cppunit/filter/ipdf/data/array-mixed-numbers-and-elements.pdf b/vcl/qa/cppunit/filter/ipdf/data/array-mixed-numbers-and-elements.pdf
new file mode 100644
index 000000000000..01030ecf88bc
--- /dev/null
+++ b/vcl/qa/cppunit/filter/ipdf/data/array-mixed-numbers-and-elements.pdf
@@ -0,0 +1,55 @@
+%PDF-1.7
+%
+1 0 obj <<
+ /Type /Catalog
+ /Pages 2 0 R
+>>
+endobj
+2 0 obj <<
+ /Type /Pages
+ /MediaBox [0 0 200 300]
+ /Count 1
+ /Kids [3 0 R]
+>>
+endobj
+3 0 obj <<
+ /Type /Page
+ /Parent 2 0 R
+ /Contents 4 0 R
+ /Test [1 4 0 R 3 false 5 (Lieral) 7 <90>]
+>>
+endobj
+4 0 obj <<
+ /Length 188
+>>
+stream
+q
+0 0 0 rg
+0 290 10 10 re B*
+10 150 50 30 re B*
+0 0 1 rg
+190 290 10 10 re B*
+70 232 50 30 re B*
+0 1 0 rg
+190 0 10 10 re B*
+130 150 50 30 re B*
+1 0 0 rg
+0 0 10 10 re B*
+70 67 50 30 re B*
+Q
+endstream
+endobj
+xref
+0 5
+0000000000 65535 f
+0000000015 00000 n
+0000000068 00000 n
+0000000157 00000 n
+0000000270 00000 n
+trailer <<
+ /Root 1 0 R
+ /Size 5
+>>
+startxref
+510
+%%EOF
diff --git a/vcl/qa/cppunit/filter/ipdf/ipdf.cxx b/vcl/qa/cppunit/filter/ipdf/ipdf.cxx
index 1c143a1b8319..c27555ca1d70 100644
--- a/vcl/qa/cppunit/filter/ipdf/ipdf.cxx
+++ b/vcl/qa/cppunit/filter/ipdf/ipdf.cxx
@@ -186,6 +186,31 @@ CPPUNIT_TEST_FIXTURE(VclFilterIpdfTest, testCommentEnd)
CPPUNIT_ASSERT(aDocument.Read(aFile));
}
+CPPUNIT_TEST_FIXTURE(VclFilterIpdfTest, testMixedArrayWithNumbers)
+{
+ // Load a file that has markup like this:
+ // 3 0 obj <<
+ // /Test [1 4 0 R 3 false 5 (Lieral) 7 <90>]
+ // >>
+ OUString aSourceURL = createFileURL(u"array-mixed-numbers-and-elements.pdf");
+ SvFileStream aFile(aSourceURL, StreamMode::READ);
+ vcl::filter::PDFDocument aDocument;
+ CPPUNIT_ASSERT(aDocument.Read(aFile));
+ std::vector<vcl::filter::PDFObjectElement*> aPages = aDocument.GetPages();
+ CPPUNIT_ASSERT(!aPages.empty());
+ vcl::filter::PDFObjectElement* pPage = aPages[0];
+ auto pTest = dynamic_cast<vcl::filter::PDFArrayElement*>(pPage->Lookup("Test"));
+ std::vector<vcl::filter::PDFElement*> aElements = pTest->GetElements();
+
+ // Without the accompanying fix in place, this test would have failed with
+ // the array containing the wrong number of elements and in the incorrect order
+ CPPUNIT_ASSERT_EQUAL(8, static_cast<int>(aElements.size()));
+ CPPUNIT_ASSERT(dynamic_cast<vcl::filter::PDFNumberElement*>(aElements[0]));
+ CPPUNIT_ASSERT(dynamic_cast<vcl::filter::PDFNumberElement*>(aElements[2]));
+ CPPUNIT_ASSERT(dynamic_cast<vcl::filter::PDFNumberElement*>(aElements[4]));
+ CPPUNIT_ASSERT(dynamic_cast<vcl::filter::PDFNumberElement*>(aElements[6]));
+}
+
CPPUNIT_PLUGIN_IMPLEMENT();
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */