sw from-bottom relative orientation: add layout

The implementation is a combination of what "bottom" and "from-top"
already provided.

Change-Id: Id7bac8cbcccbadcca377fe9946a21ccb3e368913
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/93086
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>
Tested-by: Jenkins

1 files changed, 12 insertions, 0 deletions

diff --git a/sw/source/core/objectpositioning/tocntntanchoredobjectposition.cxx b/sw/source/core/objectpositioning/tocntntanchoredobjectposition.cxx
index 3c40f3b91aef..95331da7f8a2 100644
--- a/sw/source/core/objectpositioning/tocntntanchoredobjectposition.cxx
+++ b/sw/source/core/objectpositioning/tocntntanchoredobjectposition.cxx
@@ -543,6 +543,18 @@ void SwToContentAnchoredObjectPosition::CalcPosition()
                                                 aRectFnSet.GetTop(aPgPrtRect),
                                                 nTopOfOrient );
                 }
+                else if (aVert.GetRelationOrient() == text::RelOrientation::PAGE_PRINT_AREA_BOTTOM)
+                {
+                    // The anchored object is relative from the bottom of the page's print area.
+                    SwRect aPgPrtRect(rPageAlignLayFrame.getFrameArea());
+                    if (rPageAlignLayFrame.IsPageFrame())
+                    {
+                        auto& rPageFrame = static_cast<const SwPageFrame&>(rPageAlignLayFrame);
+                        aPgPrtRect = rPageFrame.PrtWithoutHeaderAndFooter();
+                    }
+                    SwTwips nPageBottom = aRectFnSet.GetBottom(aPgPrtRect);
+                    nVertOffsetToFrameAnchorPos += aRectFnSet.YDiff(nPageBottom, nTopOfOrient);
+                }
                 nRelPosY = nVertOffsetToFrameAnchorPos + aVert.GetPos();
             }