sw btlr writing mode: RTF filter of Writer tbrl textframes

Fix both import and export. Values 1 and 3 seems to be the same. Accept
both on import, but write 3, as DOCX only has a single value and Word
uses 3 when doing DOCX->RTF conversion.

Change-Id: Ic5420091ffee9eb20c6aaac61a127e93289aa9fe
Reviewed-on: https://gerrit.libreoffice.org/76823
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/sw/source/filter/ww8/rtfattributeoutput.cxx b/sw/source/filter/ww8/rtfattributeoutput.cxx
index b7a6141f60a7..81875b744fb1 100644
--- a/sw/source/filter/ww8/rtfattributeoutput.cxx
+++ b/sw/source/filter/ww8/rtfattributeoutput.cxx
@@ -3524,6 +3524,16 @@ void RtfAttributeOutput::FormatLineNumbering(const SwFormatLineNumber& rNumberin
 
 void RtfAttributeOutput::FormatFrameDirection(const SvxFrameDirectionItem& rDirection)
 {
+    if (m_rExport.GetRTFFlySyntax())
+    {
+        if (rDirection.GetValue() == SvxFrameDirection::Vertical_RL_TB)
+        {
+            // Top to bottom non-ASCII font
+            m_aFlyProperties.push_back(std::make_pair<OString, OString>("txflTextFlow", "3"));
+        }
+        return;
+    }
+
     if (!m_rExport.m_bOutPageDescs)
     {
         SvxFrameDirection nDir = rDirection.GetValue();