Resolves: fdo#88378 flipping by reversing co-ord system no longer works

not entirely sure when this stopped working, but our contempory code is riddled
with asserts and throws for negative sizes so rework this to explicitly mirror
the preview rather than try the no longer working technique

Change-Id: Ie90283cad2797ab1c37848469b007dc01a2c9d75

1 files changed, 15 insertions, 15 deletions

diff --git a/sw/source/ui/frmdlg/frmpage.cxx b/sw/source/ui/frmdlg/frmpage.cxx
index 460b894bfe4e..f989dc8b1398 100644
--- a/sw/source/ui/frmdlg/frmpage.cxx
+++ b/sw/source/ui/frmdlg/frmpage.cxx
@@ -2649,25 +2649,25 @@ void BmpWindow::Paint( const Rectangle& )
             aPntPos.X() += nWidth - aPntSz.Width() ;
     }
 
-    if ( bHorz )
-    {
-        aPntPos.Y()     += aPntSz.Height();
-        aPntPos.Y() --;
-        aPntSz.Height() *= -1;
-    }
-    if ( bVert )
-    {
-        aPntPos.X()     += aPntSz.Width();
-        aPntPos.X()--;
-        aPntSz.Width()  *= -1;
-    }
-
     // #i119307# clear window background, the graphic might have transparency
     DrawRect(Rectangle(aPntPos, aPntSz));
 
-    if ( bGraphic )
+    if (bHorz || bVert)
+    {
+        BitmapEx aTmpBmp(bGraphic ? aGraphic.GetBitmapEx() : aBmp);
+        sal_uLong nMirrorFlags(BMP_MIRROR_NONE);
+        if (bHorz)
+            nMirrorFlags |= BMP_MIRROR_VERT;
+        if (bVert)
+            nMirrorFlags |= BMP_MIRROR_HORZ;
+        aTmpBmp.Mirror(nMirrorFlags);
+        DrawBitmapEx( aPntPos, aPntSz, aTmpBmp );
+    }
+    else if (bGraphic)  //draw unmirrored preview graphic
+    {
         aGraphic.Draw( this, aPntPos, aPntSz );
-    else
+    }
+    else    //draw unmirrored stock sample image
     {
         DrawBitmapEx( aPntPos, aPntSz, aBmp );
     }