tdf#126244 Chart view: fix rotation of complex category labels

The first level of vertical category axis labels orientation
should be horizontal, other levels should be rotated to 90°.
Also do not allow text break for complex vertical category axis
labels.

Change-Id: I01a6d9f753e767927fa71e2967dc3e6bad270565
Reviewed-on: https://gerrit.libreoffice.org/76754
Tested-by: Jenkins
Reviewed-by: László Németh <nemeth@numbertext.org>
Tested-by: László Németh <nemeth@numbertext.org>

3 files changed, 31 insertions, 3 deletions

diff --git a/chart2/source/view/axes/VCartesianAxis.cxx b/chart2/source/view/axes/VCartesianAxis.cxx
index 483411c4c605..34faa8bdac79 100644
--- a/chart2/source/view/axes/VCartesianAxis.cxx
+++ b/chart2/source/view/axes/VCartesianAxis.cxx
@@ -527,10 +527,13 @@ bool VCartesianAxis::isBreakOfLabelsAllowed(
            rAxisLabelProperties.fRotationAngleDegree == 90.0 ||
            rAxisLabelProperties.fRotationAngleDegree == 270.0 ) )
         return false;
-    if ( !m_aAxisProperties.m_bSwapXAndY )
+    //no break for complex vertical category axis
+    if( !m_aAxisProperties.m_bSwapXAndY )
         return bIsHorizontalAxis;
-    else
+    else if( m_aAxisProperties.m_bSwapXAndY && !m_aAxisProperties.m_bComplexCategories )
         return bIsVerticalAxis;
+    else
+        return false;
 }
 namespace{
 
@@ -1677,7 +1680,11 @@ void VCartesianAxis::createLabels()
             {
                 aComplexProps.bLineBreakAllowed = true;
                 aComplexProps.bOverlapAllowed = aComplexProps.fRotationAngleDegree != 0.0;
-
+                //Only the first level of complex vertical category axis labels orientation should be horizontal
+                if( nTextLevel > 0 && m_aAxisProperties.m_bSwapXAndY )
+                {
+                    aComplexProps.fRotationAngleDegree = 90.0;
+                }
             }
             AxisLabelProperties& rAxisLabelProperties =  m_aAxisProperties.m_bComplexCategories ? aComplexProps : m_aAxisLabelProperties;
             while (!createTextShapes(m_xTextTarget, *apTickIter, rAxisLabelProperties,
diff --git a/sw/qa/extras/layout/data/tdf126244.docx b/sw/qa/extras/layout/data/tdf126244.docx
new file mode 100644
index 000000000000..cf3b0d14a76c
--- /dev/null
+++ b/sw/qa/extras/layout/data/tdf126244.docx
diff --git a/sw/qa/extras/layout/layout.cxx b/sw/qa/extras/layout/layout.cxx
index 84728d8e2254..2f69230849e1 100644
--- a/sw/qa/extras/layout/layout.cxx
+++ b/sw/qa/extras/layout/layout.cxx
@@ -2295,6 +2295,27 @@ CPPUNIT_TEST_FIXTURE(SwLayoutWriter, testTdf122800)
     // This failed, if the textarray length of the first axis label not 22.
 }
 
+CPPUNIT_TEST_FIXTURE(SwLayoutWriter, testTdf126244)
+{
+    SwDoc* pDoc = createDoc("tdf126244.docx");
+    SwDocShell* pShell = pDoc->GetDocShell();
+
+    // Dump the rendering of the first page as an XML file.
+    std::shared_ptr<GDIMetaFile> xMetaFile = pShell->GetPreviewMetaFile();
+    MetafileXmlDump dumper;
+    xmlDocPtr pXmlDoc = dumpAndParse(dumper, *xMetaFile);
+    CPPUNIT_ASSERT(pXmlDoc);
+    // Test the first level of vertical category axis labels orientation. The first level orientation should be horizontal.
+    assertXPath(pXmlDoc, "/metafile/push[1]/push[1]/push[1]/push[4]/push[1]/font[1]", "orientation",
+                "0");
+    // Test the second level of vertical category axis labels orientation. The second level orientation should be vertical.
+    assertXPath(pXmlDoc, "/metafile/push[1]/push[1]/push[1]/push[4]/push[1]/font[5]", "orientation",
+                "900");
+    // Test the third level of vertical category axis labels orientation. The third level orientation should be vertical.
+    assertXPath(pXmlDoc, "/metafile/push[1]/push[1]/push[1]/push[4]/push[1]/font[7]", "orientation",
+                "900");
+}
+
 CPPUNIT_TEST_FIXTURE(SwLayoutWriter, testTdf124796)
 {
     SwDoc* pDoc = createDoc("tdf124796.odt");