tdf#115005 Do not remove original vector images from slides

During calculation of the quality index of the image, we should
take into account also SVM vector image type.
Its mime type is image/x-vclgraphic.

Change-Id: I7c723e99995f73258bb59d976a6c7670c51f7a25
Reviewed-on: https://gerrit.libreoffice.org/51599Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Samuel Mehrbrodt <Samuel.Mehrbrodt@cib.de>

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

@@ -133,6 +133,7 @@ public:
     void testTdf115394();
     void testTdf115394Zero();
     void testBulletsAsImage();
+    void testTdf115005();
     void testTdf111789();
     /// SmartArt animated elements
     void testTdf104792();
@@ -197,6 +198,7 @@ public:
     CPPUNIT_TEST(testTdf115394);
     CPPUNIT_TEST(testTdf115394Zero);
     CPPUNIT_TEST(testBulletsAsImage);
+    CPPUNIT_TEST(testTdf115005);
     CPPUNIT_TEST(testTdf111789);
     CPPUNIT_TEST(testTdf104792);
     CPPUNIT_TEST(testTdf90627);
@@ -1524,6 +1526,26 @@ void SdOOXMLExportTest2::testBulletsAsImage()
     xDocShRef->DoClose();
 }
 
+void SdOOXMLExportTest2::testTdf115005()
+{
+    sd::DrawDocShellRef xDocShRefOriginal = loadURL(m_directories.getURLFromSrc("sd/qa/unit/data/odp/tdf115005.odp"), ODP);
+    utl::TempFile tempFile;
+    sd::DrawDocShellRef xDocShRefResaved = saveAndReload(xDocShRefOriginal.get(), ODP, &tempFile);
+
+    // additional checks of the output file
+    uno::Reference<packages::zip::XZipFileAccess2> xNameAccess = packages::zip::ZipFileAccess::createWithURL(comphelper::getComponentContext(m_xSFactory), tempFile.GetURL());
+
+    // check that the document contains original vector images
+    const uno::Sequence<OUString> names = xNameAccess->getElementNames();
+    int nSVMFiles = 0;
+    for (int i=0; i<names.getLength(); i++)
+    {
+        if(names[i].endsWith(".svm"))
+            nSVMFiles++;
+    }
+    CPPUNIT_ASSERT_EQUAL(3, nSVMFiles);
+}
+
 void SdOOXMLExportTest2::testTdf111789()
 {
     // Shadow properties were not exported for text shapes.

xmloff/source/core/xmlmultiimagehelper.cxx

@@ -58,6 +58,10 @@ namespace
         }
 
         // vector formats, prefer always
+        if (rMimeType == "image/x-vclgraphic") // MIMETYPE_VCLGRAPHIC
+        {
+            return 990;
+        }
         if (rMimeType == "image/x-svm")
         {
             return 1000;