handle empty tools::Rectangle in sc

Change-Id: I397cb6a0d033a78e854c10d9f33e24e94a9d733e
Reviewed-on: https://gerrit.libreoffice.org/72112
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

sc/source/core/data/documen3.cxx

@@ -1800,20 +1800,23 @@ ScRange ScDocument::GetRange( SCTAB nTab, const tools::Rectangle& rMMRect, bool
             bEnd = true;
     }
 
-    nTwips = static_cast<long>(aPosRect.Right() / HMM_PER_TWIPS);
 
     SCCOL nX2 = nX1;
-    bEnd = false;
-    while (!bEnd)
+    if (!aPosRect.IsEmpty())
     {
-        nAdd = static_cast<long>(pTable->GetColWidth(nX2, bHiddenAsZero));
-        if (nSize+nAdd < nTwips && nX2<MAXCOL)
+        bEnd = false;
+        nTwips = static_cast<long>(aPosRect.Right() / HMM_PER_TWIPS);
+        while (!bEnd)
         {
-            nSize += nAdd;
-            ++nX2;
+            nAdd = static_cast<long>(pTable->GetColWidth(nX2, bHiddenAsZero));
+            if (nSize+nAdd < nTwips && nX2<MAXCOL)
+            {
+                nSize += nAdd;
+                ++nX2;
+            }
+            else
+                bEnd = true;
         }
-        else
-            bEnd = true;
     }
 
     nSize = 0;
@@ -1824,12 +1827,14 @@ ScRange ScDocument::GetRange( SCTAB nTab, const tools::Rectangle& rMMRect, bool
     if (lcl_AddTwipsWhile( nSize, nTwips+2, nY1, MAXROW, pTable, bHiddenAsZero) && nY1 < MAXROW)
         ++nY1;  // original loop ended on last matched +1 unless that was MAXROW
 
-    nTwips = static_cast<long>(aPosRect.Bottom() / HMM_PER_TWIPS);
-
     SCROW nY2 = nY1;
-    // Was if(nSize+nAdd<nTwips) inside loop => if(nSize+nAdd<nTwips)
-    if (lcl_AddTwipsWhile( nSize, nTwips, nY2, MAXROW, pTable, bHiddenAsZero) && nY2 < MAXROW)
-        ++nY2;  // original loop ended on last matched +1 unless that was MAXROW
+    if (!aPosRect.IsEmpty())
+    {
+        nTwips = static_cast<long>(aPosRect.Bottom() / HMM_PER_TWIPS);
+        // Was if(nSize+nAdd<nTwips) inside loop => if(nSize+nAdd<nTwips)
+        if (lcl_AddTwipsWhile( nSize, nTwips, nY2, MAXROW, pTable, bHiddenAsZero) && nY2 < MAXROW)
+            ++nY2;  // original loop ended on last matched +1 unless that was MAXROW
+    }
 
     return ScRange( nX1,nY1,nTab, nX2,nY2,nTab );
 }

sc/source/core/data/drwlayer.cxx

@@ -2080,9 +2080,13 @@ void ScDrawLayer::GetCellAnchorFromPosition(
     rAnchor.maEnd = aRange.aEnd;
     aCellRect = rDoc.GetMMRect( aRange.aEnd.Col(), aRange.aEnd.Row(),
       aRange.aEnd.Col(), aRange.aEnd.Row(), aRange.aEnd.Tab(), bHiddenAsZero );
-    rAnchor.maEndOffset.setY( rObjRect.Bottom()-aCellRect.Top() );
+    if (!rObjRect.IsEmpty())
+        rAnchor.maEndOffset.setY( rObjRect.Bottom()-aCellRect.Top() );
     if (!rDoc.IsNegativePage(nTab))
-        rAnchor.maEndOffset.setX( rObjRect.Right()-aCellRect.Left() );
+    {
+        if (!rObjRect.IsEmpty())
+            rAnchor.maEndOffset.setX( rObjRect.Right()-aCellRect.Left() );
+    }
     else
         rAnchor.maEndOffset.setX( aCellRect.Right()-rObjRect.Left() );
 }

sc/source/ui/view/printfun.cxx

@@ -515,8 +515,6 @@ void ScPrintFunc::DrawToDev( ScDocument* pDoc, OutputDevice* pDev, double /* nPr
     long nDevSizeX = aRect.Right()-aRect.Left()+1;
     long nDevSizeY = aRect.Bottom()-aRect.Top()+1;
 
-    tools::Rectangle aLines;
-
     long nTwipsSizeX = 0;
     for (SCCOL i=nX1; i<=nX2; i++)
         nTwipsSizeX += pDoc->GetColWidth( i, nTab );
@@ -524,8 +522,8 @@ void ScPrintFunc::DrawToDev( ScDocument* pDoc, OutputDevice* pDev, double /* nPr
 
     //  if no lines, still space for the outline frame (20 Twips = 1pt)
     //  (HasLines initializes aLines to 0,0,0,0)
-    nTwipsSizeX += aLines.Left() + std::max( aLines.Right(), 20L );
-    nTwipsSizeY += aLines.Top() +  std::max( aLines.Bottom(), 20L );
+    nTwipsSizeX += 20;
+    nTwipsSizeY += 20;
 
     double nScaleX = static_cast<double>(nDevSizeX) / nTwipsSizeX;
     double nScaleY = static_cast<double>(nDevSizeY) / nTwipsSizeY;
@@ -554,10 +552,8 @@ void ScPrintFunc::DrawToDev( ScDocument* pDoc, OutputDevice* pDev, double /* nPr
 
     //  If no lines, still leave space for grid lines
     //  (would be elseways cut away)
-    long nAddX = static_cast<long>( aLines.Left() * nScaleX );
-    nScrX += ( nAddX ? nAddX : 1 );
-    long nAddY = static_cast<long>( aLines.Top() * nScaleY );
-    nScrY += ( nAddY ? nAddY : 1 );
+    nScrX += 1;
+    nScrY += 1;
 
     ScOutputData aOutputData( pDev, OUTTYPE_PRINTER, aTabInfo, pDoc, nTab,
                                 nScrX, nScrY, nX1, nY1, nX2, nY2, nScaleX, nScaleY );