ODF filter: handle draw:shadow-opacity for Writer frames

Change-Id: I3ad39e5de5b6999d6c2182c1ec622ae7f873cafe

sw/qa/extras/odfexport/odfexport.cxx

@@ -22,6 +22,7 @@ public:
     void testFdo58949();
     void testCharacterBorder();
     void testFdo43807();
+    void testTextframeTransparentShadow();
 
     CPPUNIT_TEST_SUITE(Test);
 #if !defined(MACOSX) && !defined(WNT)
@@ -43,6 +44,7 @@ void Test::run()
         {"fdo58949.docx", &Test::testFdo58949},
         {"charborder.odt", &Test::testCharacterBorder },
         {"fdo43807.odt", &Test::testFdo43807 },
+        {"textframe-transparent-shadow.odt", &Test::testTextframeTransparentShadow},
     };
     header();
     for (unsigned int i = 0; i < SAL_N_ELEMENTS(aMethods); ++i)
@@ -371,6 +373,15 @@ void Test::testFdo43807()
     CPPUNIT_ASSERT_EQUAL(OUString("User Defined Drop Caps"),getProperty<OUString>(xSet,"DropCapCharStyleName"));
 }
 
+void Test::testTextframeTransparentShadow()
+{
+    uno::Reference<drawing::XDrawPageSupplier> xDrawPageSupplier(mxComponent, uno::UNO_QUERY);
+    uno::Reference<drawing::XDrawPage> xDrawPage = xDrawPageSupplier->getDrawPage();
+    uno::Reference<drawing::XShape> xPicture(xDrawPage->getByIndex(0), uno::UNO_QUERY);
+    // ODF stores opacity of 75%, that means 25% transparency.
+    CPPUNIT_ASSERT_EQUAL(sal_Int32(25), getProperty<sal_Int32>(xPicture, "ShadowTransparence"));
+}
+
 CPPUNIT_TEST_SUITE_REGISTRATION(Test);
 
 CPPUNIT_PLUGIN_IMPLEMENT();

xmloff/source/text/txtprmap.cxx

@@ -708,6 +708,7 @@ XMLPropertyMapEntry aXMLFramePropMap[] =
     MG_ED( "BottomBorder",      FO,     BORDER_BOTTOM,            XML_TYPE_BORDER, CTF_BOTTOMBORDER ),
     // RES_SHADOW
     MG_E( "ShadowFormat",       STYLE,  SHADOW,                 XML_TYPE_TEXT_SHADOW, 0 ),
+    MG_E( "ShadowTransparence", DRAW, SHADOW_OPACITY, XML_TYPE_NEG_PERCENT, 0 ),
     // RES_FRMMACRO
     // TODO
     // RES_COL