tdf#89890 DOCX import: fix too large num pic bullet

Reading SwWW8ImplReader::CoreLoad()'s "update graphic bullet
information" block, it turns out that the numbering picture bullet's
height should be independent from the supplied bitmap, and only its
aspect ratio should be respected.

Change-Id: I1300aa0397a8098df2a3170af795fbba47fd2a9e
Reviewed-on: https://gerrit.libreoffice.org/16500
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>
Tested-by: Jenkins <ci@libreoffice.org>

1 files changed, 14 insertions, 0 deletions

diff --git a/writerfilter/source/dmapper/NumberingManager.cxx b/writerfilter/source/dmapper/NumberingManager.cxx
index 4d4dae12f7bb..8d93fb8aa0cc 100644
--- a/writerfilter/source/dmapper/NumberingManager.cxx
+++ b/writerfilter/source/dmapper/NumberingManager.cxx
@@ -859,6 +859,20 @@ void ListsManager::lcl_sprm( Sprm& rSprm )
             case NS_ooxml::LN_CT_NumPicBullet_pict:
             {
                 uno::Reference<drawing::XShape> xShape = m_rDMapper.PopPendingShape();
+
+                // Respect only the aspect ratio of the picture, not its size.
+                awt::Size aPrefSize = xShape->getSize();
+                // See SwDefBulletConfig::InitFont(), default height is 14.
+                const int nFontHeight = 14;
+                // Point -> mm100.
+                const int nHeight = nFontHeight * 35;
+                if (aPrefSize.Height * aPrefSize.Width != 0)
+                {
+                    int nWidth = (nHeight * aPrefSize.Width) / aPrefSize.Height;
+                    awt::Size aSize(nWidth, nHeight);
+                    xShape->setSize(aSize);
+                }
+
                 m_pCurrentNumPicBullet->SetShape(xShape);
             }
             break;