tdf#107584: Load/save page background transparency

Change-Id: I17bd01dc129f0e530d5e227a5ddc12f11486e85d
Reviewed-on: https://gerrit.libreoffice.org/39206
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Katarina Behrens <Katarina.Behrens@cib.de>
(cherry picked from commit 7562c5f37ca03267da5873143601811bebf6d620)
Reviewed-on: https://gerrit.libreoffice.org/40045
Reviewed-by: Michael Stahl <mstahl@redhat.com>

2 files changed, 27 insertions, 0 deletions

diff --git a/sd/qa/unit/data/odp/page_transparent_background.odp b/sd/qa/unit/data/odp/page_transparent_background.odp
new file mode 100644
index 000000000000..02b11976a15d
--- /dev/null
+++ b/sd/qa/unit/data/odp/page_transparent_background.odp
diff --git a/sd/qa/unit/export-tests.cxx b/sd/qa/unit/export-tests.cxx
index 80a03416d759..d65615a2094e 100644
--- a/sd/qa/unit/export-tests.cxx
+++ b/sd/qa/unit/export-tests.cxx
@@ -94,6 +94,7 @@ public:
     void testEmbeddedPdf();
     void testAuthorField();
     void testTdf100926();
+    void testPageWithTransparentBackground();
 
     CPPUNIT_TEST_SUITE(SdExportTest);
 
@@ -110,6 +111,7 @@ public:
     CPPUNIT_TEST(testEmbeddedPdf);
     CPPUNIT_TEST(testAuthorField);
     CPPUNIT_TEST(testTdf100926);
+    CPPUNIT_TEST(testPageWithTransparentBackground);
 
     CPPUNIT_TEST_SUITE_END();
 
@@ -602,6 +604,31 @@ void SdExportTest::testTdf100926()
     xDocShRef->DoClose();
 }
 
+void SdExportTest::testPageWithTransparentBackground()
+{
+    ::sd::DrawDocShellRef xDocShRef = loadURL( m_directories.getURLFromSrc("/sd/qa/unit/data/odp/page_transparent_background.odp"), ODP );
+
+    xDocShRef = saveAndReload( xDocShRef.get(), ODP );
+    uno::Reference< drawing::XDrawPagesSupplier > xDoc(
+        xDocShRef->GetDoc()->getUnoModel(), uno::UNO_QUERY_THROW );
+    CPPUNIT_ASSERT_EQUAL_MESSAGE( "There should be exactly one page", static_cast<sal_Int32>(1), xDoc->getDrawPages()->getCount() );
+
+    uno::Reference< drawing::XDrawPage > xPage( getPage( 0, xDocShRef ) );
+
+    uno::Reference< beans::XPropertySet > xPropSet( xPage, uno::UNO_QUERY );
+    uno::Any aAny = xPropSet->getPropertyValue( "Background" );
+    CPPUNIT_ASSERT_MESSAGE("Slide background is missing", aAny.hasValue());
+
+    uno::Reference< beans::XPropertySet > aXBackgroundPropSet;
+    aAny >>= aXBackgroundPropSet;
+    sal_Int32 nTransparence;
+    aAny = aXBackgroundPropSet->getPropertyValue( "FillTransparence" );
+    aAny >>= nTransparence;
+    CPPUNIT_ASSERT_EQUAL_MESSAGE("Slide background transparency is wrong", sal_Int32(42), nTransparence);
+
+    xDocShRef->DoClose();
+}
+
 CPPUNIT_TEST_SUITE_REGISTRATION(SdExportTest);
 
 CPPUNIT_PLUGIN_IMPLEMENT();