add basic font parsing to fftester

Change-Id: Iaeebbe5dc569450ca1a47dbda15f168fb3b45ac4
Reviewed-on: https://gerrit.libreoffice.org/49362Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

vcl/workben/fftester.cxx

@@ -669,6 +669,14 @@ SAL_IMPLEMENT_MAIN_WITH_ARGS(argc, argv)
             SvFileStream aFileStream(out, StreamMode::READ);
             ret = static_cast<int>((*pfnImport)(aFileStream));
         }
+        else if (strcmp(argv[2], "sft") == 0)
+        {
+            SvFileStream aFileStream(out, StreamMode::READ);
+            std::vector<sal_uInt8> aData(aFileStream.remainingSize());
+            aFileStream.ReadBytes(aData.data(), aData.size());
+            (void)vcl::Font::identifyFont(aData.data(), aData.size());
+        }
+
 #endif
     }
     catch (...)