oox: add PPTX import/export for semi-transparent shape text

And start a drawingml test suite in oox, so the test and the tested code
is close to each other (just like how it's done in chart2/ already).

(cherry picked from commit 1e64d9ebaa231caef5fb062009b8f76465e415f4)

Conflicts:
oox/Module_oox.mk

Change-Id: I9a2810691f12604d240e4394e6a5ff4e7f52f1c1

2 files changed, 100 insertions, 0 deletions

diff --git a/oox/qa/unit/data/transparent-text.pptx b/oox/qa/unit/data/transparent-text.pptx
new file mode 100644
index 000000000000..b7b3ede4dc3d
--- /dev/null
+++ b/oox/qa/unit/data/transparent-text.pptx
diff --git a/oox/qa/unit/drawingml.cxx b/oox/qa/unit/drawingml.cxx
new file mode 100644
index 000000000000..e3c455c04867
--- /dev/null
+++ b/oox/qa/unit/drawingml.cxx
@@ -0,0 +1,100 @@
+/* -*- 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 <test/bootstrapfixture.hxx>
+#include <unotest/macros_test.hxx>
+
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/drawing/XDrawPagesSupplier.hpp>
+#include <com/sun/star/embed/XStorage.hpp>
+#include <com/sun/star/frame/Desktop.hpp>
+#include <com/sun/star/frame/XStorable.hpp>
+
+#include <comphelper/embeddedobjectcontainer.hxx>
+#include <comphelper/processfactory.hxx>
+#include <comphelper/propertyvalue.hxx>
+#include <comphelper/scopeguard.hxx>
+#include <comphelper/storagehelper.hxx>
+#include <unotools/mediadescriptor.hxx>
+#include <unotools/tempfile.hxx>
+
+using namespace ::com::sun::star;
+
+/// oox drawingml tests.
+class OoxDrawingmlTest : public test::BootstrapFixture, public unotest::MacrosTest
+{
+private:
+    uno::Reference<uno::XComponentContext> mxComponentContext;
+    uno::Reference<lang::XComponent> mxComponent;
+
+public:
+    void setUp() override;
+    void tearDown() override;
+    uno::Reference<lang::XComponent>& getComponent() { return mxComponent; }
+    void loadAndReload(const OUString& rURL, const OUString& rFilterName);
+};
+
+void OoxDrawingmlTest::setUp()
+{
+    test::BootstrapFixture::setUp();
+
+    mxComponentContext.set(comphelper::getComponentContext(getMultiServiceFactory()));
+    mxDesktop.set(frame::Desktop::create(mxComponentContext));
+}
+
+void OoxDrawingmlTest::tearDown()
+{
+    if (mxComponent.is())
+        mxComponent->dispose();
+
+    test::BootstrapFixture::tearDown();
+}
+
+void OoxDrawingmlTest::loadAndReload(const OUString& rURL, const OUString& rFilterName)
+{
+    mxComponent = loadFromDesktop(rURL);
+    uno::Reference<frame::XStorable> xStorable(mxComponent, uno::UNO_QUERY);
+    utl::MediaDescriptor aMediaDescriptor;
+    aMediaDescriptor["FilterName"] <<= rFilterName;
+    utl::TempFile aTempFile;
+    xStorable->storeToURL(aTempFile.GetURL(), aMediaDescriptor.getAsConstPropertyValueList());
+    mxComponent->dispose();
+    validate(aTempFile.GetFileName(), test::OOXML);
+    mxComponent = loadFromDesktop(aTempFile.GetURL());
+}
+
+char const DATA_DIRECTORY[] = "/oox/qa/unit/data/";
+
+CPPUNIT_TEST_FIXTURE(OoxDrawingmlTest, testTransparentText)
+{
+    OUString aURL = m_directories.getURLFromSrc(DATA_DIRECTORY) + "transparent-text.pptx";
+    loadAndReload(aURL, "Impress Office Open XML");
+
+    uno::Reference<drawing::XDrawPagesSupplier> xDrawPagesSupplier(getComponent(), uno::UNO_QUERY);
+    uno::Reference<drawing::XDrawPage> xDrawPage(xDrawPagesSupplier->getDrawPages()->getByIndex(0),
+                                                 uno::UNO_QUERY);
+    uno::Reference<container::XEnumerationAccess> xShape(xDrawPage->getByIndex(0), uno::UNO_QUERY);
+    uno::Reference<container::XEnumerationAccess> xParagraph(
+        xShape->createEnumeration()->nextElement(), uno::UNO_QUERY);
+    uno::Reference<beans::XPropertySet> xPortion(xParagraph->createEnumeration()->nextElement(),
+                                                 uno::UNO_QUERY);
+
+    sal_Int16 nTransparency = 0;
+    xPortion->getPropertyValue("CharTransparence") >>= nTransparency;
+
+    // Without the accompanying fix in place, this test would have failed with:
+    // - Expected: 75
+    // - Actual  : 0
+    // i.e. the transparency of the character color was lost on import/export.
+    CPPUNIT_ASSERT_EQUAL(static_cast<sal_Int16>(75), nTransparency);
+}
+
+CPPUNIT_PLUGIN_IMPLEMENT();
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */