tdf#118806 sd: specify the motion path origin for pptx.

Motion path animation created by Impress always take the
position of the shape as the origin, so set origin=layout.

Change-Id: I8b4b579f3a2fc282b41a68c4c8d7573d01ad1aa9
Reviewed-on: https://gerrit.libreoffice.org/57583
Tested-by: Jenkins
Reviewed-by: Mark Hung <marklh9@gmail.com>

sd/qa/unit/export-tests-ooxml2.cxx

@@ -139,6 +139,7 @@ public:
     int testTdf115005_FallBack_Images(bool bAddReplacementImages);
     void testTdf115005_FallBack_Images_On();
     void testTdf115005_FallBack_Images_Off();
+    void testTdf118806();
     void testTdf111789();
     /// SmartArt animated elements
     void testTdf104792();
@@ -208,6 +209,7 @@ public:
     CPPUNIT_TEST(testTdf115005);
     CPPUNIT_TEST(testTdf115005_FallBack_Images_On);
     CPPUNIT_TEST(testTdf115005_FallBack_Images_Off);
+    CPPUNIT_TEST(testTdf118806);
     CPPUNIT_TEST(testTdf111789);
     CPPUNIT_TEST(testTdf104792);
     CPPUNIT_TEST(testTdf90627);
@@ -1597,6 +1599,18 @@ void SdOOXMLExportTest2::testTdf115005_FallBack_Images_Off()
     CPPUNIT_ASSERT_EQUAL(0, nPNGFiles);
 }
 
+void SdOOXMLExportTest2::testTdf118806()
+{
+    ::sd::DrawDocShellRef xDocShRef = loadURL(m_directories.getURLFromSrc("sd/qa/unit/data/odp/tdf118806.odp"), ODP);
+    utl::TempFile tempFile;
+    xDocShRef = saveAndReload(xDocShRef.get(), PPTX, &tempFile);
+
+    xmlDocPtr pXmlDocContent = parseExport(tempFile, "ppt/slides/slide1.xml");
+    assertXPath(pXmlDocContent, "//p:animMotion", "origin", "layout");
+
+    xDocShRef->DoClose();
+}
+
 void SdOOXMLExportTest2::testTdf111789()
 {
     // Shadow properties were not exported for text shapes.

sd/source/filter/eppt/pptx-epptooxml.cxx

@@ -1186,6 +1186,7 @@ void PowerPointExport::WriteAnimationNodeAnimate(const FSHelperPtr& pFS, const R
             xMotion->getPath() >>= aPath;
 
         pFS->startElementNS(XML_p, nXmlNodeType,
+                            XML_origin, "layout",
                             XML_path, OUStringToOString(aPath, RTL_TEXTENCODING_UTF8),
                             FSEND);
     }