tdf#121509 DOCX export: fix corrupt shape anchoring in textbox

MSO doesn't support shapes anchored to character in a textbox.
Convert these shapes by re-anchoring them to the anchor
point of the textbox (also recalculating their positions in
simple cases), so Word can now open the exported document.

Change-Id: I28b244975981d69c50e5d4a46249918af089bae5
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/117163
Tested-by: László Németh <nemeth@numbertext.org>
Reviewed-by: László Németh <nemeth@numbertext.org>
(cherry picked from commit 35732c84b05e4f6e50349796636beb01f2a09907)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/118179
Tested-by: Jenkins

1 files changed, 9 insertions, 0 deletions

diff --git a/sw/source/filter/ww8/docxattributeoutput.hxx b/sw/source/filter/ww8/docxattributeoutput.hxx
index b0688183ab69..7f880cc506c4 100644
--- a/sw/source/filter/ww8/docxattributeoutput.hxx
+++ b/sw/source/filter/ww8/docxattributeoutput.hxx
@@ -718,6 +718,7 @@ private:
     void WritePostponedOLE();
     void WritePostponedDMLDrawing();
     void WritePostponedCustomShape();
+    void WriteFlyFrame(const ww8::Frame& rFrame);
 
     void WriteSdtBlock(sal_Int32& nSdtPrToken,
                        rtl::Reference<sax_fastparser::FastAttributeList>& pSdtPrTokenChildren,
@@ -802,6 +803,14 @@ private:
 
     OUString m_sRawText;
 
+    /// The first frame (anchored to the main text) is 0.
+    /// The second frame what is anchored to the previous in, is 1
+    /// The third anchored inside the second is the 2 etc.
+    sal_uInt32 m_nEmbedFlyLevel;
+
+    /// Stores the flys what are anchored inside a fly
+    std::vector<ww8::Frame> m_vPostponedFlys;
+
     /// Bookmarks to output
     std::vector<OUString> m_rBookmarksStart;
     std::vector<OUString> m_rBookmarksEnd;