Related: tdf#93676 in msword chart appears with axis positioned between ticks

Change-Id: Ibd16d255a45a220faf7681a74785549c32969f78

chart2/qa/extras/chart2export.cxx

@@ -99,6 +99,7 @@ public:
     void testBarChartVaryColorsXLSX();
     void testMultipleAxisXLSX();
     void testAxisTitleRotationXLSX();
+    void testAxisCrossBetweenXSLX();
 
     CPPUNIT_TEST_SUITE(Chart2ExportTest);
     CPPUNIT_TEST(testErrorBarXLSX);
@@ -162,6 +163,7 @@ public:
     CPPUNIT_TEST(testBarChartVaryColorsXLSX);
     CPPUNIT_TEST(testMultipleAxisXLSX);
     CPPUNIT_TEST(testAxisTitleRotationXLSX);
+    CPPUNIT_TEST(testAxisCrossBetweenXSLX);
     CPPUNIT_TEST_SUITE_END();
 
 protected:
@@ -1473,6 +1475,13 @@ void Chart2ExportTest::testAxisTitleRotationXLSX()
     assertXPath(pXmlDoc, "/c:chartSpace/c:chart/c:plotArea/c:valAx/c:title/c:tx/c:rich/a:bodyPr", "rot", "0");
 }
 
+void Chart2ExportTest::testAxisCrossBetweenXSLX()
+{
+    load("/chart2/qa/extras/data/odt/", "axis-position.odt");
+    xmlDocPtr pXmlDoc = parseExport("word/charts/chart", "Office Open XML Text");
+    assertXPath(pXmlDoc, "(//c:crossBetween)[1]", "val", "midCat");
+}
+
 CPPUNIT_TEST_SUITE_REGISTRATION(Chart2ExportTest);
 
 CPPUNIT_PLUGIN_IMPLEMENT();

oox/source/export/chartexport.cxx

@@ -2896,6 +2896,17 @@ void ChartExport::_exportAxis(
             FSEND );
     }
 
+    // TODO: MSO does not support random axis cross position for
+    // category axis, so we ideally need an algorithm that decides
+    // when to map the crossing to the tick mark and when to the
+    // middle of the category
+    if (nAxisType == XML_valAx)
+    {
+        pFS->singleElement( FSNS( XML_c, XML_crossBetween ),
+                XML_val, "midCat",
+                FSEND );
+    }
+
     // majorUnit
     bool bAutoStepMain = false;
     if(GetProperty( xAxisProp, "AutoStepMain" ) )