[Libreoffice-commits] core.git: Branch 'distro/collabora/cp-6.4' - vcl/qa
Tomaž Vajngerl (via logerrit)
logerrit at kemper.freedesktop.org
Sun Jun 7 19:19:11 UTC 2020
vcl/qa/cppunit/pdfexport/data/SimpleMultiPagePDF.pdf |binary
vcl/qa/cppunit/pdfexport/pdfexport.cxx | 137 +++++++++++++++++++
2 files changed, 137 insertions(+)
New commits:
commit 9a66b4fb9b3c408c3ea61cd89817d14f3c8d9a50
Author: Tomaž Vajngerl <tomaz.vajngerl at collabora.co.uk>
AuthorDate: Thu Apr 30 07:54:46 2020 +0200
Commit: Tomaž Vajngerl <quikee at gmail.com>
CommitDate: Sun Jun 7 21:18:41 2020 +0200
test import and export of multi-page PDF with PDFium filter
The test checks that the exported PDFs contain embedded PDF for
different pages.
Change-Id: I4e5cd108d8597851d86aa774efbde0d4f2b9d2ac
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/93322
Tested-by: Jenkins
Reviewed-by: Tomaž Vajngerl <quikee at gmail.com>
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/95701
Tested-by: Tomaž Vajngerl <quikee at gmail.com>
diff --git a/vcl/qa/cppunit/pdfexport/data/SimpleMultiPagePDF.pdf b/vcl/qa/cppunit/pdfexport/data/SimpleMultiPagePDF.pdf
new file mode 100644
index 000000000000..af665fcba8a0
Binary files /dev/null and b/vcl/qa/cppunit/pdfexport/data/SimpleMultiPagePDF.pdf differ
diff --git a/vcl/qa/cppunit/pdfexport/pdfexport.cxx b/vcl/qa/cppunit/pdfexport/pdfexport.cxx
index 898e7188ed8c..be40e202306d 100644
--- a/vcl/qa/cppunit/pdfexport/pdfexport.cxx
+++ b/vcl/qa/cppunit/pdfexport/pdfexport.cxx
@@ -23,6 +23,7 @@
#include <com/sun/star/drawing/XShape.hpp>
#include <com/sun/star/text/XTextDocument.hpp>
+#include <comphelper/scopeguard.hxx>
#include <comphelper/processfactory.hxx>
#include <comphelper/propertysequence.hxx>
#include <test/bootstrapfixture.hxx>
@@ -141,6 +142,8 @@ public:
void testLargePage();
void testVersion15();
void testDefaultVersion();
+ void testMultiPagePDF();
+
CPPUNIT_TEST_SUITE(PdfExportTest);
CPPUNIT_TEST(testTdf106059);
@@ -182,6 +185,7 @@ public:
CPPUNIT_TEST(testLargePage);
CPPUNIT_TEST(testVersion15);
CPPUNIT_TEST(testDefaultVersion);
+ CPPUNIT_TEST(testMultiPagePDF);
CPPUNIT_TEST_SUITE_END();
};
@@ -2060,6 +2064,139 @@ void PdfExportTest::testVersion15()
CPPUNIT_ASSERT_EQUAL(15, nFileVersion);
}
+// Check round-trip of importing and exporting the PDF with PDFium filter,
+// which imports the PDF document as multiple PDFs as graphic object.
+// Each page in the document has one PDF graphic object which content is
+// the correcponding page in the PDF. When such a document is exported,
+// the PDF graphic gets embedded into the exported PDF document (as a
+// Form XObject).
+void PdfExportTest::testMultiPagePDF()
+{
+// setenv only works on unix based systems
+#ifndef _WIN32
+ // We need to enable PDFium import (and make sure to disable after the test)
+ bool bResetEnvVar = false;
+ if (getenv("LO_IMPORT_USE_PDFIUM") == nullptr)
+ {
+ bResetEnvVar = true;
+ setenv("LO_IMPORT_USE_PDFIUM", "1", false);
+ }
+ comphelper::ScopeGuard aPDFiumEnvVarGuard([&]() {
+ if (bResetEnvVar)
+ unsetenv("LO_IMPORT_USE_PDFIUM");
+ });
+
+ // Load the PDF and save as PDF
+ OUString aURL = m_directories.getURLFromSrc(DATA_DIRECTORY) + "SimpleMultiPagePDF.pdf";
+ mxComponent = loadFromDesktop(aURL);
+ CPPUNIT_ASSERT(mxComponent.is());
+
+ uno::Reference<frame::XStorable> xStorable(mxComponent, uno::UNO_QUERY);
+ utl::MediaDescriptor aMediaDescriptor;
+ aMediaDescriptor["FilterName"] <<= OUString("writer_pdf_Export");
+ xStorable->storeToURL(maTempFile.GetURL(), aMediaDescriptor.getAsConstPropertyValueList());
+
+ // Parse the export result.
+ vcl::filter::PDFDocument aDocument;
+ SvFileStream aStream(maTempFile.GetURL(), StreamMode::READ);
+ CPPUNIT_ASSERT(aDocument.Read(aStream));
+
+ std::vector<vcl::filter::PDFObjectElement*> aPages = aDocument.GetPages();
+ CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(3), aPages.size());
+
+ vcl::filter::PDFObjectElement* pResources = aPages[0]->LookupObject("Resources");
+ CPPUNIT_ASSERT(pResources);
+
+ auto pXObjects = dynamic_cast<vcl::filter::PDFDictionaryElement*>(pResources->Lookup("XObject"));
+ CPPUNIT_ASSERT(pXObjects);
+
+ CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(3), pXObjects->GetItems().size()); // 3 PDFs as Form XObjects
+
+ std::vector<OString> rIDs;
+ for (auto const & rPair : pXObjects->GetItems()) {
+ rIDs.push_back(rPair.first);
+ }
+
+ // Let's check the embedded PDF pages - just make sure the size differs,
+ // which should indicate we don't have 3 times the same page.
+
+ { // embedded PDF page 1
+ vcl::filter::PDFObjectElement* pXObject1 = pXObjects->LookupObject(rIDs[0]);
+ CPPUNIT_ASSERT(pXObject1);
+ CPPUNIT_ASSERT_EQUAL(OString("Im19"), rIDs[0]);
+
+ auto pSubtype1 = dynamic_cast<vcl::filter::PDFNameElement*>(pXObject1->Lookup("Subtype"));
+ CPPUNIT_ASSERT(pSubtype1);
+ CPPUNIT_ASSERT_EQUAL(OString("Form"), pSubtype1->GetValue());
+
+ auto pXObjectResources = dynamic_cast<vcl::filter::PDFDictionaryElement*>(pXObject1->Lookup("Resources"));
+ CPPUNIT_ASSERT(pXObjectResources);
+ auto pXObjectForms = dynamic_cast<vcl::filter::PDFDictionaryElement*>(pXObjectResources->LookupElement("XObject"));
+ CPPUNIT_ASSERT(pXObjectForms);
+ vcl::filter::PDFObjectElement* pForm = pXObjectForms->LookupObject(pXObjectForms->GetItems().begin()->first);
+ CPPUNIT_ASSERT(pForm);
+
+ vcl::filter::PDFStreamElement* pStream = pForm->GetStream();
+ CPPUNIT_ASSERT(pStream);
+ SvMemoryStream& rObjectStream = pStream->GetMemory();
+ rObjectStream.Seek(STREAM_SEEK_TO_BEGIN);
+
+ // Just check that the size of the page stream is what is expected.
+ CPPUNIT_ASSERT_EQUAL(sal_uInt64(230), rObjectStream.remainingSize());
+ }
+
+ { // embedded PDF page 2
+ vcl::filter::PDFObjectElement* pXObject2 = pXObjects->LookupObject(rIDs[1]);
+ CPPUNIT_ASSERT(pXObject2);
+ CPPUNIT_ASSERT_EQUAL(OString("Im34"), rIDs[1]);
+
+ auto pSubtype2 = dynamic_cast<vcl::filter::PDFNameElement*>(pXObject2->Lookup("Subtype"));
+ CPPUNIT_ASSERT(pSubtype2);
+ CPPUNIT_ASSERT_EQUAL(OString("Form"), pSubtype2->GetValue());
+
+ auto pXObjectResources = dynamic_cast<vcl::filter::PDFDictionaryElement*>(pXObject2->Lookup("Resources"));
+ CPPUNIT_ASSERT(pXObjectResources);
+ auto pXObjectForms = dynamic_cast<vcl::filter::PDFDictionaryElement*>(pXObjectResources->LookupElement("XObject"));
+ CPPUNIT_ASSERT(pXObjectForms);
+ vcl::filter::PDFObjectElement* pForm = pXObjectForms->LookupObject(pXObjectForms->GetItems().begin()->first);
+ CPPUNIT_ASSERT(pForm);
+
+ vcl::filter::PDFStreamElement* pStream = pForm->GetStream();
+ CPPUNIT_ASSERT(pStream);
+ SvMemoryStream& rObjectStream = pStream->GetMemory();
+ rObjectStream.Seek(STREAM_SEEK_TO_BEGIN);
+
+ // Just check that the size of the page stream is what is expected
+ CPPUNIT_ASSERT_EQUAL(sal_uInt64(309), rObjectStream.remainingSize());
+ }
+
+ { // embedded PDF page 3
+ vcl::filter::PDFObjectElement* pXObject3 = pXObjects->LookupObject(rIDs[2]);
+ CPPUNIT_ASSERT(pXObject3);
+ CPPUNIT_ASSERT_EQUAL(OString("Im4"), rIDs[2]);
+
+ auto pSubtype3 = dynamic_cast<vcl::filter::PDFNameElement*>(pXObject3->Lookup("Subtype"));
+ CPPUNIT_ASSERT(pSubtype3);
+ CPPUNIT_ASSERT_EQUAL(OString("Form"), pSubtype3->GetValue());
+
+ auto pXObjectResources = dynamic_cast<vcl::filter::PDFDictionaryElement*>(pXObject3->Lookup("Resources"));
+ CPPUNIT_ASSERT(pXObjectResources);
+ auto pXObjectForms = dynamic_cast<vcl::filter::PDFDictionaryElement*>(pXObjectResources->LookupElement("XObject"));
+ CPPUNIT_ASSERT(pXObjectForms);
+ vcl::filter::PDFObjectElement* pForm = pXObjectForms->LookupObject(pXObjectForms->GetItems().begin()->first);
+ CPPUNIT_ASSERT(pForm);
+
+ vcl::filter::PDFStreamElement* pStream = pForm->GetStream();
+ CPPUNIT_ASSERT(pStream);
+ SvMemoryStream& rObjectStream = pStream->GetMemory();
+ rObjectStream.Seek(STREAM_SEEK_TO_BEGIN);
+
+ // Just check that the size of the page stream is what is expected
+ CPPUNIT_ASSERT_EQUAL(sal_uInt64(193), rObjectStream.remainingSize());
+ }
+#endif
+}
+
CPPUNIT_TEST_SUITE_REGISTRATION(PdfExportTest);
}
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