tdf#133863 tdf#133864 DOCX shape import: width relative to inside

and outside margins.

See commit 43d7f4e3640c5e370fd1204739c2b0c7eb5f40e4
(offapi: document the 4 new properties which are no longer read-only).
commit b46f4bc9760267ac5e45d43b77b5d2721ee4c386
(tdf#133070 DOCX import: fix shape height relative to bottom page margin)
commit 330ed8120e9881656716d70d87b9f49f861f0bfa
(tdf#133670 DOCX import: fix shape width relative to right margin)
commit 7380905abc0833d9e4c4fe731d76174db8a8724c
(tdf#132976 DOCX import: fix shape width relative to left margin)

Co-authored-by: Szabolcs Tóth

Change-Id: If81b7c80732141be1491ca82770cf6eee99f5656
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/97627
Tested-by: László Németh <nemeth@numbertext.org>
Reviewed-by: László Németh <nemeth@numbertext.org>

1 files changed, 34 insertions, 2 deletions

diff --git a/sw/source/core/layout/anchoreddrawobject.cxx b/sw/source/core/layout/anchoreddrawobject.cxx
index 9b4bce8e44ef..1af32ed2fa80 100644
--- a/sw/source/core/layout/anchoreddrawobject.cxx
+++ b/sw/source/core/layout/anchoreddrawobject.cxx
@@ -620,6 +620,26 @@ SwRect SwAnchoredDrawObject::GetObjRect() const
     return GetDrawObj()->GetSnapRect();
 }
 
+namespace
+{
+    // Imagine an open book, inside margin is the one that is at the inner side of the pages, at the center of the book,
+    // outside margin is at the two opposite edges of the book.
+    // outside --text-- inside | inside --text-- outside
+    // With mirrored margins, when relating the size of an object from the inside margin for example, on the
+    // first page we calculate the new size of the object using the size of the right margin,
+    // on second page the left margin, third page right margin, etc.
+    long getInsideOutsideRelativeWidth(bool isOutside, const SwPageFrame* const pPageFrame)
+    {
+        // Alternating between the only two possible cases: inside and outside.
+        // Inside = false, Outside = true.
+        auto nPageNum = pPageFrame->GetPhyPageNum();
+        if (nPageNum % 2 == (isOutside ? 0 : 1))
+            return pPageFrame->GetRightMargin();
+        else
+            return pPageFrame->GetLeftMargin();
+    }
+}
+
 // --> #i70122#
 SwRect SwAnchoredDrawObject::GetObjBoundRect() const
 {
@@ -640,10 +660,22 @@ SwRect SwAnchoredDrawObject::GetObjBoundRect() const
             // The size of the shape's width is going to be relative to the size of the left margin.
             // E.g.: (left margin = 8 && relative size = 150%) -> width of some shape = 12.
             else if (GetDrawObj()->GetRelativeWidthRelation() == text::RelOrientation::PAGE_LEFT)
-                nWidth = GetPageFrame()->GetLeftMargin();
+            {
+                if (GetPageFrame()->GetPageDesc()->GetUseOn() == UseOnPage::Mirror)
+                    // We want to get the width of whatever is going through here using the size of the
+                    // outside margin.
+                    nWidth = getInsideOutsideRelativeWidth(true, GetPageFrame());
+                else
+                    nWidth = GetPageFrame()->GetLeftMargin();
+            }
             // Same as the left margin above.
             else if (GetDrawObj()->GetRelativeWidthRelation() == text::RelOrientation::PAGE_RIGHT)
-                nWidth = GetPageFrame()->GetRightMargin();
+                if (GetPageFrame()->GetPageDesc()->GetUseOn() == UseOnPage::Mirror)
+                    // We want to get the width of whatever is going through here using the size of the
+                    // inside margin.
+                    nWidth = getInsideOutsideRelativeWidth(false, GetPageFrame());
+                else
+                    nWidth = GetPageFrame()->GetRightMargin();
             else
                 nWidth = GetPageFrame( )->GetBoundRect( GetPageFrame()->getRootFrame()->GetCurrShell()->GetOut() ).SVRect().GetWidth();
             nTargetWidth = nWidth * (*GetDrawObj( )->GetRelativeWidth());