vcl: wrap PDFium types in c++ classes to ease lifecycle management

Reviewed-on: https://gerrit.libreoffice.org/c/core/+/96753
Tested-by: Jenkins
Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>
(cherry picked from commit 526b09604399a71c17b15ee80bab48967563bfb6)

Change-Id: Idd33dfe752a22b6628750c06f02e9467a69802bc
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/97435
Tested-by: Jenkins CollaboraOffice <jenkinscollaboraoffice@gmail.com>
Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>

1 files changed, 105 insertions, 0 deletions

diff --git a/vcl/qa/cppunit/PDFiumLibraryTest.cxx b/vcl/qa/cppunit/PDFiumLibraryTest.cxx
new file mode 100644
index 000000000000..422325aa9b1d
--- /dev/null
+++ b/vcl/qa/cppunit/PDFiumLibraryTest.cxx
@@ -0,0 +1,105 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <config_features.h>
+
+#if HAVE_FEATURE_PDFIUM
+
+#include <cppunit/TestAssert.h>
+#include <cppunit/extensions/HelperMacros.h>
+
+#include <unotest/bootstrapfixturebase.hxx>
+#include <unotest/directories.hxx>
+
+#include <vcl/graph.hxx>
+#include <vcl/graphicfilter.hxx>
+#include <tools/stream.hxx>
+
+#include <vcl/filter/PDFiumLibrary.hxx>
+
+class PDFiumLibraryTest : public test::BootstrapFixtureBase
+{
+    OUString getFullUrl(const OUString& sFileName)
+    {
+        return m_directories.getURLFromSrc("/vcl/qa/cppunit/data/") + sFileName;
+    }
+
+    void testDocument();
+    void testPages();
+
+    CPPUNIT_TEST_SUITE(PDFiumLibraryTest);
+    CPPUNIT_TEST(testDocument);
+    CPPUNIT_TEST(testPages);
+    CPPUNIT_TEST_SUITE_END();
+};
+
+void PDFiumLibraryTest::testDocument()
+{
+    OUString aURL = getFullUrl("Pangram.pdf");
+    SvFileStream aStream(aURL, StreamMode::READ);
+    GraphicFilter& rGraphicFilter = GraphicFilter::GetGraphicFilter();
+    Graphic aGraphic = rGraphicFilter.ImportUnloadedGraphic(aStream);
+    aGraphic.makeAvailable();
+
+    auto pVectorGraphicData = aGraphic.getVectorGraphicData();
+    CPPUNIT_ASSERT(pVectorGraphicData);
+    CPPUNIT_ASSERT_EQUAL(VectorGraphicDataType::Pdf,
+                         pVectorGraphicData->getVectorGraphicDataType());
+
+    const void* pData = pVectorGraphicData->getVectorGraphicDataArray().getConstArray();
+    int nLength = pVectorGraphicData->getVectorGraphicDataArrayLength();
+
+    auto pPdfium = vcl::pdf::PDFiumLibrary::get();
+    CPPUNIT_ASSERT(pPdfium);
+    auto pDocument = pPdfium->openDocument(pData, nLength);
+    CPPUNIT_ASSERT(pDocument);
+
+    CPPUNIT_ASSERT_EQUAL(1, pDocument->getPageCount());
+
+    auto aSize = pDocument->getPageSize(0);
+    CPPUNIT_ASSERT_EQUAL(612.0, aSize.getX());
+    CPPUNIT_ASSERT_EQUAL(792.0, aSize.getY());
+
+    auto pPage = pDocument->openPage(0);
+    CPPUNIT_ASSERT(pPage);
+}
+
+void PDFiumLibraryTest::testPages()
+{
+    OUString aURL = getFullUrl("Pangram.pdf");
+    SvFileStream aStream(aURL, StreamMode::READ);
+    GraphicFilter& rGraphicFilter = GraphicFilter::GetGraphicFilter();
+    Graphic aGraphic = rGraphicFilter.ImportUnloadedGraphic(aStream);
+    aGraphic.makeAvailable();
+
+    auto pVectorGraphicData = aGraphic.getVectorGraphicData();
+    CPPUNIT_ASSERT(pVectorGraphicData);
+    CPPUNIT_ASSERT_EQUAL(VectorGraphicDataType::Pdf,
+                         pVectorGraphicData->getVectorGraphicDataType());
+
+    const void* pData = pVectorGraphicData->getVectorGraphicDataArray().getConstArray();
+    int nLength = pVectorGraphicData->getVectorGraphicDataArrayLength();
+
+    auto pPdfium = vcl::pdf::PDFiumLibrary::get();
+    auto pDocument = pPdfium->openDocument(pData, nLength);
+    CPPUNIT_ASSERT(pDocument);
+
+    CPPUNIT_ASSERT_EQUAL(1, pDocument->getPageCount());
+
+    auto pPage = pDocument->openPage(0);
+    CPPUNIT_ASSERT(pPage);
+}
+
+CPPUNIT_TEST_SUITE_REGISTRATION(PDFiumLibraryTest);
+
+CPPUNIT_PLUGIN_IMPLEMENT();
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */