Fraction: Revert "fdo#81356: convert Fraction to boost::rational<long> - wip"

This reverts commit 47a2d7642d249d70b5da0c330a73f3a0032e4bba.

Conflicts:

	cui/source/tabpages/transfrm.cxx
	svx/source/svdraw/svdedtv1.cxx
	svx/source/svdraw/svdibrow.cxx
	sw/source/filter/ww1/w1filter.cxx
	tools/source/generic/rational.cxx

Change-Id: I4849916f5f277a4afef0e279b0135c76b36b9d15

19 files changed, 74 insertions, 72 deletions

diff --git a/sw/source/core/access/accmap.cxx b/sw/source/core/access/accmap.cxx
index 63661e303225..64a70c94a67e 100644
--- a/sw/source/core/access/accmap.cxx
+++ b/sw/source/core/access/accmap.cxx
@@ -602,7 +602,7 @@ class SwAccPreviewData
     Rectangles maLogicRects;
 
     SwRect maVisArea;
-    boost::rational<long> maScale;
+    Fraction maScale;
 
     const SwPageFrm *mpSelPage;
 
@@ -630,7 +630,7 @@ public:
 
     void Update( const SwAccessibleMap& rAccMap,
                  const std::vector<PreviewPage*>& _rPreviewPages,
-                 const boost::rational<long>&  _rScale,
+                 const Fraction&  _rScale,
                  const SwPageFrm* _pSelectedPageFrm,
                  const Size&      _rPreviewWinSize );
 
@@ -661,7 +661,7 @@ SwAccPreviewData::~SwAccPreviewData()
 
 void SwAccPreviewData::Update( const SwAccessibleMap& rAccMap,
                                const std::vector<PreviewPage*>& _rPreviewPages,
-                               const boost::rational<long>&  _rScale,
+                               const Fraction&  _rScale,
                                const SwPageFrm* _pSelectedPageFrm,
                                const Size&      _rPreviewWinSize )
 {
@@ -1801,7 +1801,7 @@ uno::Reference< XAccessible > SwAccessibleMap::GetDocumentView( )
 
 uno::Reference<XAccessible> SwAccessibleMap::GetDocumentPreview(
                                     const std::vector<PreviewPage*>& _rPreviewPages,
-                                    const boost::rational<long>&  _rScale,
+                                    const Fraction&  _rScale,
                                     const SwPageFrm* _pSelectedPageFrm,
                                     const Size&      _rPreviewWinSize )
 {
@@ -2964,7 +2964,7 @@ sal_Int32 SwAccessibleMap::GetChildIndex( const SwFrm& rParentFrm,
 }
 
 void SwAccessibleMap::UpdatePreview( const std::vector<PreviewPage*>& _rPreviewPages,
-                                     const boost::rational<long>&  _rScale,
+                                     const Fraction&  _rScale,
                                      const SwPageFrm* _pSelectedPageFrm,
                                      const Size&      _rPreviewWinSize )
 {
diff --git a/sw/source/core/doc/tblrwcl.cxx b/sw/source/core/doc/tblrwcl.cxx
index f7987da558e6..1ce8a372c978 100644
--- a/sw/source/core/doc/tblrwcl.cxx
+++ b/sw/source/core/doc/tblrwcl.cxx
@@ -25,7 +25,7 @@
 #include <editeng/lrspitem.hxx>
 #include <editeng/protitem.hxx>
 #include <editeng/boxitem.hxx>
-#include <tools/rational.hxx>
+#include <tools/fract.hxx>
 #include <fmtfsize.hxx>
 #include <fmtornt.hxx>
 #include <doc.hxx>
@@ -3986,10 +3986,10 @@ void SetLineHeight( SwTableLine& rLine, SwTwips nOldHeight, SwTwips nNewHeight,
     else
     {
         // Calculate as exactly as possible
-        boost::rational<long> aTmp( nMyOldH );
-        aTmp *= boost::rational<long>( nNewHeight, nOldHeight );
-        aTmp += boost::rational<long>( 1, 2 );       // round up if needed
-        nMyNewH = boost::rational_cast<long>(aTmp);
+        Fraction aTmp( nMyOldH );
+        aTmp *= Fraction( nNewHeight, nOldHeight );
+        aTmp += Fraction( 1, 2 );       // round up if needed
+        nMyNewH = aTmp;
     }
 
     SwFrmSize eSize = ATT_MIN_SIZE;
diff --git a/sw/source/core/docnode/ndnotxt.cxx b/sw/source/core/docnode/ndnotxt.cxx
index 6360b359e319..7a325c93cc94 100644
--- a/sw/source/core/docnode/ndnotxt.cxx
+++ b/sw/source/core/docnode/ndnotxt.cxx
@@ -125,8 +125,8 @@ const tools::PolyPolygon *SwNoTxtNode::HasContour() const
                     const Size aGrfPrefMapModeSize( GetGraphic().GetPrefSize() );
                     if ( aGrfMap.GetMapUnit() == MAP_INCH )
                     {
-                        nGrfDPIx = aGrfPixelSize.Width() / ( boost::rational_cast<double>(aGrfMap.GetScaleX()) * aGrfPrefMapModeSize.Width() );
-                        nGrfDPIy = aGrfPixelSize.Height() / ( boost::rational_cast<double>(aGrfMap.GetScaleY()) * aGrfPrefMapModeSize.Height() );
+                        nGrfDPIx = aGrfPixelSize.Width() / ( (double)aGrfMap.GetScaleX() * aGrfPrefMapModeSize.Width() );
+                        nGrfDPIy = aGrfPixelSize.Height() / ( (double)aGrfMap.GetScaleY() * aGrfPrefMapModeSize.Height() );
                     }
                     else
                     {
diff --git a/sw/source/core/draw/dcontact.cxx b/sw/source/core/draw/dcontact.cxx
index b9f1318f648e..d9c9af706e65 100644
--- a/sw/source/core/draw/dcontact.cxx
+++ b/sw/source/core/draw/dcontact.cxx
@@ -2372,7 +2372,7 @@ void SwDrawVirtObj::NbcMove(const Size& rSiz)
     SdrObject::NbcMove( rSiz );
 }
 
-void SwDrawVirtObj::NbcResize(const Point& rRef, const boost::rational<long>& xFact, const boost::rational<long>& yFact)
+void SwDrawVirtObj::NbcResize(const Point& rRef, const Fraction& xFact, const Fraction& yFact)
 {
     rRefObj.NbcResize(rRef - GetOffset(), xFact, yFact);
     SetRectsDirty();
@@ -2401,9 +2401,9 @@ void SwDrawVirtObj::Move(const Size& rSiz)
     SdrObject::Move( rSiz );
 }
 
-void SwDrawVirtObj::Resize(const Point& rRef, const boost::rational<long>& xFact, const boost::rational<long>& yFact, bool bUnsetRelative)
+void SwDrawVirtObj::Resize(const Point& rRef, const Fraction& xFact, const Fraction& yFact, bool bUnsetRelative)
 {
-    if(xFact.numerator() != xFact.denominator() || yFact.numerator() != yFact.denominator())
+    if(xFact.GetNumerator() != xFact.GetDenominator() || yFact.GetNumerator() != yFact.GetDenominator())
     {
         Rectangle aBoundRect0; if(pUserCall) aBoundRect0 = GetLastBoundRect();
         rRefObj.Resize(rRef - GetOffset(), xFact, yFact, bUnsetRelative);
diff --git a/sw/source/core/draw/dflyobj.cxx b/sw/source/core/draw/dflyobj.cxx
index ad56718a900c..700a6296b872 100644
--- a/sw/source/core/draw/dflyobj.cxx
+++ b/sw/source/core/draw/dflyobj.cxx
@@ -731,7 +731,7 @@ void SwVirtFlyDrawObj::NbcMove(const Size& rSiz)
 }
 
 void SwVirtFlyDrawObj::NbcResize(const Point& rRef,
-            const boost::rational<long>& xFact, const boost::rational<long>& yFact)
+            const Fraction& xFact, const Fraction& yFact)
 {
     ResizeRect( aOutRect, rRef, xFact, yFact );
 
@@ -843,7 +843,7 @@ void SwVirtFlyDrawObj::Move(const Size& rSiz)
 }
 
 void SwVirtFlyDrawObj::Resize(const Point& rRef,
-                    const boost::rational<long>& xFact, const boost::rational<long>& yFact, bool /*bUnsetRelative*/)
+                    const Fraction& xFact, const Fraction& yFact, bool /*bUnsetRelative*/)
 {
     NbcResize( rRef, xFact, yFact );
     SetChanged();
diff --git a/sw/source/core/frmedt/fecopy.cxx b/sw/source/core/frmedt/fecopy.cxx
index 0cbcb5e97636..3669a5902734 100644
--- a/sw/source/core/frmedt/fecopy.cxx
+++ b/sw/source/core/frmedt/fecopy.cxx
@@ -1389,8 +1389,8 @@ void SwFEShell::Paste( SvStream& rStrm, sal_uInt16 nAction, const Point* pPt )
                 Rectangle aNewRect( pNewObj->GetCurrentBoundRect() );
                 Size aNewSize( aNewRect.GetSize() );
 
-                boost::rational<long> aScaleWidth( aOldObjSize.Width(), aNewSize.Width() );
-                boost::rational<long> aScaleHeight( aOldObjSize.Height(), aNewSize.Height());
+                Fraction aScaleWidth( aOldObjSize.Width(), aNewSize.Width() );
+                Fraction aScaleHeight( aOldObjSize.Height(), aNewSize.Height());
                 pNewObj->NbcResize( aNewRect.TopLeft(), aScaleWidth, aScaleHeight);
 
                 Point aVec = aOldObjRect.TopLeft() - aNewRect.TopLeft();
diff --git a/sw/source/core/graphic/ndgrf.cxx b/sw/source/core/graphic/ndgrf.cxx
index d4cc181943f6..280c6d45b7e1 100644
--- a/sw/source/core/graphic/ndgrf.cxx
+++ b/sw/source/core/graphic/ndgrf.cxx
@@ -812,8 +812,8 @@ void SwGrfNode::ScaleImageMap()
         return;
 
     bool bScale = false;
-    boost::rational<long> aScaleX( 1, 1 );
-    boost::rational<long> aScaleY( 1, 1 );
+    Fraction aScaleX( 1, 1 );
+    Fraction aScaleY( 1, 1 );
 
     const SwFmtFrmSize& rFrmSize = pFmt->GetFrmSize();
     const SvxBoxItem& rBox = pFmt->GetBox();
@@ -829,7 +829,7 @@ void SwGrfNode::ScaleImageMap()
 
         if( nGrfSize.Width() != nWidth )
         {
-            aScaleX = boost::rational<long>( nGrfSize.Width(), nWidth );
+            aScaleX = Fraction( nGrfSize.Width(), nWidth );
             bScale = true;
         }
     }
@@ -844,7 +844,7 @@ void SwGrfNode::ScaleImageMap()
 
         if( nGrfSize.Height() != nHeight )
         {
-            aScaleY = boost::rational<long>( nGrfSize.Height(), nHeight );
+            aScaleY = Fraction( nGrfSize.Height(), nHeight );
             bScale = true;
         }
     }
diff --git a/sw/source/core/inc/dflyobj.hxx b/sw/source/core/inc/dflyobj.hxx
index 79e9f37471d7..058e64c13d8e 100644
--- a/sw/source/core/inc/dflyobj.hxx
+++ b/sw/source/core/inc/dflyobj.hxx
@@ -99,11 +99,11 @@ public:
     virtual       void       NbcSetLogicRect(const Rectangle& rRect) SAL_OVERRIDE;
     virtual ::basegfx::B2DPolyPolygon TakeXorPoly() const SAL_OVERRIDE;
     virtual       void       NbcMove  (const Size& rSiz) SAL_OVERRIDE;
-    virtual       void       NbcResize(const Point& rRef, const boost::rational<long>& xFact,
-                                       const boost::rational<long>& yFact) SAL_OVERRIDE;
+    virtual       void       NbcResize(const Point& rRef, const Fraction& xFact,
+                                       const Fraction& yFact) SAL_OVERRIDE;
     virtual       void       Move  (const Size& rSiz) SAL_OVERRIDE;
-    virtual       void       Resize(const Point& rRef, const boost::rational<long>& xFact,
-                                    const boost::rational<long>& yFact, bool bUnsetRelative = true) SAL_OVERRIDE;
+    virtual       void       Resize(const Point& rRef, const Fraction& xFact,
+                                    const Fraction& yFact, bool bUnsetRelative = true) SAL_OVERRIDE;
 
     const SwFrmFmt *GetFmt() const;
           SwFrmFmt *GetFmt();
diff --git a/sw/source/core/inc/viewimp.hxx b/sw/source/core/inc/viewimp.hxx
index ae86642f8d73..66a652510944 100644
--- a/sw/source/core/inc/viewimp.hxx
+++ b/sw/source/core/inc/viewimp.hxx
@@ -40,7 +40,7 @@ class SwPageFrm;
 class SwRegionRects;
 class SwAccessibleMap;
 class SdrObject;
-namespace boost { template<typename T> class rational; }
+class Fraction;
 class SwPrintData;
 class SwPagePreviewLayout;
 struct PreviewPage;
@@ -262,7 +262,7 @@ public:
     /// update data for accessible preview
     /// change method signature due to new page preview functionality
     void UpdateAccessiblePreview( const std::vector<PreviewPage*>& _rPreviewPages,
-                                  const boost::rational<long>&  _rScale,
+                                  const Fraction&  _rScale,
                                   const SwPageFrm* _pSelectedPageFrm,
                                   const Size&      _rPreviewWinSize );
 
diff --git a/sw/source/core/layout/anchoreddrawobject.cxx b/sw/source/core/layout/anchoreddrawobject.cxx
index 58fa20cac362..628ed1356d5b 100644
--- a/sw/source/core/layout/anchoreddrawobject.cxx
+++ b/sw/source/core/layout/anchoreddrawobject.cxx
@@ -655,14 +655,13 @@ const SwRect SwAnchoredDrawObject::GetObjBoundRect() const
             nTargetHeight = aPageRect.GetHeight( ) * GetDrawObj( )->GetRelativeHeight( ).get( );
         }
 
-        if ( (nTargetWidth != aCurrObjRect.GetWidth( ) || nTargetHeight != aCurrObjRect.GetHeight( ))
-                && aCurrObjRect.GetWidth() != 0 && aCurrObjRect.GetHeight() != 0 )
+        if ( nTargetWidth != aCurrObjRect.GetWidth( ) || nTargetHeight != aCurrObjRect.GetHeight( ) )
         {
             SwDoc* pDoc = const_cast<SwDoc*>(GetPageFrm()->GetFmt()->GetDoc());
             bool bModified = pDoc->getIDocumentState().IsModified();
             const_cast< SdrObject* >( GetDrawObj() )->Resize( aCurrObjRect.TopLeft(),
-                    boost::rational<long>( nTargetWidth, aCurrObjRect.GetWidth() ),
-                    boost::rational<long>( nTargetHeight, aCurrObjRect.GetHeight() ), false );
+                    Fraction( nTargetWidth, aCurrObjRect.GetWidth() ),
+                    Fraction( nTargetHeight, aCurrObjRect.GetHeight() ), false );
             if (!bModified)
                 pDoc->getIDocumentState().ResetModified();
         }
diff --git a/sw/source/core/layout/fly.cxx b/sw/source/core/layout/fly.cxx
index d0b8975ebda4..c8f6deeffb95 100644
--- a/sw/source/core/layout/fly.cxx
+++ b/sw/source/core/layout/fly.cxx
@@ -875,8 +875,8 @@ void SwFlyFrm::_UpdateAttr( const SfxPoolItem *pOld, const SfxPoolItem *pNew,
                 if ( rOld.GetWidth() && rOld.GetHeight() )
                 {
 
-                    boost::rational<long> aScaleX( rOld.GetWidth(), rNew.GetWidth() );
-                    boost::rational<long> aScaleY( rOld.GetHeight(), rOld.GetHeight() );
+                    Fraction aScaleX( rOld.GetWidth(), rNew.GetWidth() );
+                    Fraction aScaleY( rOld.GetHeight(), rOld.GetHeight() );
                     aURL.GetMap()->Scale( aScaleX, aScaleY );
                     SwFrmFmt *pFmt = GetFmt();
                     pFmt->LockModify();
@@ -1002,8 +1002,8 @@ void SwFlyFrm::_UpdateAttr( const SfxPoolItem *pOld, const SfxPoolItem *pNew,
                      rSz.GetWidth()  != Frm().Width() )
                 {
                     SwFmtURL aURL( GetFmt()->GetURL() );
-                    boost::rational<long> aScaleX( Frm().Width(),  rSz.GetWidth() );
-                    boost::rational<long> aScaleY( Frm().Height(), rSz.GetHeight() );
+                    Fraction aScaleX( Frm().Width(),  rSz.GetWidth() );
+                    Fraction aScaleY( Frm().Height(), rSz.GetHeight() );
                     aURL.GetMap()->Scale( aScaleX, aScaleY );
                     SwFrmFmt *pFmt = GetFmt();
                     pFmt->LockModify();
diff --git a/sw/source/core/layout/paintfrm.cxx b/sw/source/core/layout/paintfrm.cxx
index bbb2cda42a65..57cbeb7753ac 100644
--- a/sw/source/core/layout/paintfrm.cxx
+++ b/sw/source/core/layout/paintfrm.cxx
@@ -355,8 +355,8 @@ void SwCalcPixStatics( OutputDevice *pOut )
     nMinDistPixelH = nPixelSzH * 2 + 1;
 
     const MapMode &rMap = pOut->GetMapMode();
-    aScaleX = boost::rational_cast<double>(rMap.GetScaleX());
-    aScaleY = boost::rational_cast<double>(rMap.GetScaleY());
+    aScaleX = rMap.GetScaleX();
+    aScaleY = rMap.GetScaleY();
 }
 
 /**
@@ -2960,17 +2960,17 @@ void SwTabFrmPainter::Insert( const SwFrm& rFrm, const SvxBoxItem& rBoxItem )
     SwViewShell* pViewShell = mrTabFrm.getRootFrm()->GetCurrShell();
     OutputDevice* pOutDev = pViewShell->GetOut();
     const MapMode& rMapMode = pOutDev->GetMapMode();
-    const boost::rational<long>& rFracX = rMapMode.GetScaleX();
-    const boost::rational<long>& rFracY = rMapMode.GetScaleY();
+    const Fraction& rFracX = rMapMode.GetScaleX();
+    const Fraction& rFracY = rMapMode.GetScaleY();
 
     svx::frame::Style aL(rBoxItem.GetLeft());
-    aL.SetPatternScale(boost::rational_cast<double>(rFracY));
+    aL.SetPatternScale(rFracY);
     svx::frame::Style aR(rBoxItem.GetRight());
-    aR.SetPatternScale(boost::rational_cast<double>(rFracY));
+    aR.SetPatternScale(rFracY);
     svx::frame::Style aT(rBoxItem.GetTop());
-    aT.SetPatternScale(boost::rational_cast<double>(rFracX));
+    aT.SetPatternScale(rFracX);
     svx::frame::Style aB(rBoxItem.GetBottom());
-    aB.SetPatternScale(boost::rational_cast<double>(rFracX));
+    aB.SetPatternScale(rFracX);
 
     aR.MirrorSelf();
     aB.MirrorSelf();
@@ -5576,7 +5576,8 @@ void SwFtnContFrm::PaintLine( const SwRect& rRect,
 
     SWRECTFN( this )
     SwTwips nPrtWidth = (Prt().*fnRect->fnGetWidth)();
-    const SwTwips nWidth = boost::rational_cast<long>(long(nPrtWidth) * rInf.GetWidth());
+    Fraction aFract( nPrtWidth, 1 );
+    const SwTwips nWidth = (long)(aFract *= rInf.GetWidth());
 
     SwTwips nX = (this->*fnRect->fnGetPrtLeft)();
     switch ( rInf.GetAdj() )
diff --git a/sw/source/core/text/porlay.hxx b/sw/source/core/text/porlay.hxx
index 1213a06b0f23..3784cdaad445 100644
--- a/sw/source/core/text/porlay.hxx
+++ b/sw/source/core/text/porlay.hxx
@@ -19,7 +19,7 @@
 #ifndef INCLUDED_SW_SOURCE_CORE_TEXT_PORLAY_HXX
 #define INCLUDED_SW_SOURCE_CORE_TEXT_PORLAY_HXX
 
-#include <tools/rational.hxx>
+#include <tools/fract.hxx>
 #include <scriptinfo.hxx>
 
 #include "swrect.hxx"
diff --git a/sw/source/core/txtnode/fntcache.cxx b/sw/source/core/txtnode/fntcache.cxx
index c7216d1e190c..76d35001c166 100644
--- a/sw/source/core/txtnode/fntcache.cxx
+++ b/sw/source/core/txtnode/fntcache.cxx
@@ -467,10 +467,12 @@ void SwFntObj::CreateScrFont( const SwViewShell& rSh, const OutputDevice& rOut )
         // one in the ViewOptions, this Font must not be cached,
         // hence set zoom factor to an invalid value
         long nTmp;
-        if( pOut->GetMapMode().GetScaleX() == pOut->GetMapMode().GetScaleY() )
+        if( pOut->GetMapMode().GetScaleX().IsValid() &&
+            pOut->GetMapMode().GetScaleY().IsValid() &&
+            pOut->GetMapMode().GetScaleX() == pOut->GetMapMode().GetScaleY() )
         {
-            nTmp = ( 100 * pOut->GetMapMode().GetScaleX().numerator() ) /
-                     pOut->GetMapMode().GetScaleX().denominator();
+            nTmp = ( 100 * pOut->GetMapMode().GetScaleX().GetNumerator() ) /
+                     pOut->GetMapMode().GetScaleX().GetDenominator();
         }
         else
             nTmp = 0;
@@ -1131,7 +1133,7 @@ void SwFntObj::DrawText( SwDrawTextInfo &rInf )
 
     if ( bDirectPrint )
     {
-        const boost::rational<long> aTmp( 1, 1 );
+        const Fraction aTmp( 1, 1 );
         bool bStretch = rInf.GetWidth() && ( rInf.GetLen() > 1 ) && bPrt
                         && ( aTmp != rInf.GetOut().GetMapMode().GetScaleX() );
 
diff --git a/sw/source/core/view/pagepreviewlayout.cxx b/sw/source/core/view/pagepreviewlayout.cxx
index 4f2307c6e4c7..3e8004ab1776 100644
--- a/sw/source/core/view/pagepreviewlayout.cxx
+++ b/sw/source/core/view/pagepreviewlayout.cxx
@@ -215,17 +215,17 @@ bool SwPagePreviewLayout::Init( const sal_uInt16 _nCols,
         // calculate scaling
         MapMode aMapMode( MAP_TWIP );
         Size aWinSize = mrParentViewShell.GetOut()->PixelToLogic( _rPxWinSize, aMapMode );
-        boost::rational<long> aXScale( aWinSize.Width(), mnPreviewLayoutWidth );
-        boost::rational<long> aYScale( aWinSize.Height(), mnPreviewLayoutHeight );
+        Fraction aXScale( aWinSize.Width(), mnPreviewLayoutWidth );
+        Fraction aYScale( aWinSize.Height(), mnPreviewLayoutHeight );
         if( aXScale < aYScale )
             aYScale = aXScale;
         {
             // adjust scaling for Drawing layer.
-            aYScale *= boost::rational<long>( 1000, 1 );
-            long nNewNuminator = boost::rational_cast<long>(aYScale);
+            aYScale *= Fraction( 1000, 1 );
+            long nNewNuminator = aYScale.operator long();
             if( nNewNuminator < 1 )
                 nNewNuminator = 1;
-            aYScale = boost::rational<long>( nNewNuminator, 1000 );
+            aYScale = Fraction( nNewNuminator, 1000 );
             // propagate scaling as zoom percentage to view options for font cache
             _ApplyNewZoomAtViewShell( static_cast<sal_uInt8>(nNewNuminator/10) );
         }
@@ -740,8 +740,8 @@ bool SwPagePreviewLayout::SetBookPreviewMode( const bool _bEnableBookPreview,
     OD 12.12.2002 #103492#
 */
 Point SwPagePreviewLayout::GetPreviewStartPosForNewScale(
-                          const boost::rational<long>& _aNewScale,
-                          const boost::rational<long>& _aOldScale,
+                          const Fraction& _aNewScale,
+                          const Fraction& _aOldScale,
                           const Size&     _aNewWinSize ) const
 {
     Point aNewPaintStartPos = maPaintedPreviewDocRect.TopLeft();
diff --git a/sw/source/core/view/viewimp.cxx b/sw/source/core/view/viewimp.cxx
index 68725dbbda18..ed381b74d6a9 100644
--- a/sw/source/core/view/viewimp.cxx
+++ b/sw/source/core/view/viewimp.cxx
@@ -70,8 +70,8 @@ void SwViewImp::Init( const SwViewOption *pNewOpt )
             ( rSz.Width() ? rSz.Width() /std::max(short(1),pNewOpt->GetDivisionX()):0,
               rSz.Height()? rSz.Height()/std::max(short(1),pNewOpt->GetDivisionY()):0);
      pDrawView->SetGridFine( aFSize );
-    boost::rational<long> aSnGrWdtX(rSz.Width(), pNewOpt->GetDivisionX() + 1);
-    boost::rational<long> aSnGrWdtY(rSz.Height(), pNewOpt->GetDivisionY() + 1);
+    Fraction aSnGrWdtX(rSz.Width(), pNewOpt->GetDivisionX() + 1);
+    Fraction aSnGrWdtY(rSz.Height(), pNewOpt->GetDivisionY() + 1);
     pDrawView->SetSnapGridWidth( aSnGrWdtX, aSnGrWdtY );
 
     if ( pRoot->Frm().HasArea() )
@@ -432,7 +432,7 @@ void SwViewImp::_InvalidateAccessibleParaAttrs( const SwTxtFrm& rTxtFrm )
 
 // OD 15.01.2003 #103492# - method signature change due to new page preview functionality
 void SwViewImp::UpdateAccessiblePreview( const std::vector<PreviewPage*>& _rPreviewPages,
-                                         const boost::rational<long>&  _rScale,
+                                         const Fraction&  _rScale,
                                          const SwPageFrm* _pSelectedPageFrm,
                                          const Size&      _rPreviewWinSize )
 {
diff --git a/sw/source/core/view/viewpg.cxx b/sw/source/core/view/viewpg.cxx
index 2e086c4ede71..601c710b54c1 100644
--- a/sw/source/core/view/viewpg.cxx
+++ b/sw/source/core/view/viewpg.cxx
@@ -175,20 +175,20 @@ void SwViewShell::PrintProspect(
     // set the MapMode
     aMapMode.SetOrigin( Point() );
     {
-        boost::rational<long> aScX( aPrtSize.Width(), nMaxColSz );
-        boost::rational<long> aScY( aPrtSize.Height(), nMaxRowSz );
+        Fraction aScX( aPrtSize.Width(), nMaxColSz );
+        Fraction aScY( aPrtSize.Height(), nMaxRowSz );
         if( aScX < aScY )
             aScY = aScX;
 
         {
             // Round percentages for Drawings so that these can paint their objects properly
-            aScY *= boost::rational<long>( 1000, 1 );
-            long nTmp = boost::rational_cast<long>(aScY);
+            aScY *= Fraction( 1000, 1 );
+            long nTmp = (long)aScY;
             if( 1 < nTmp )
                 --nTmp;
             else
                 nTmp = 1;
-            aScY = boost::rational<long>( nTmp, 1000 );
+            aScY = Fraction( nTmp, 1000 );
         }
 
         aMapMode.SetScaleY( aScY );
diff --git a/sw/source/core/view/viewsh.cxx b/sw/source/core/view/viewsh.cxx
index 561bcd9027c9..53bf408b040c 100644
--- a/sw/source/core/view/viewsh.cxx
+++ b/sw/source/core/view/viewsh.cxx
@@ -1775,8 +1775,8 @@ void SwViewShell::PaintTile(VirtualDevice &rDevice, int contextWidth, int contex
 
     // Scaling. Must convert from pixels to twips. We know
     // that VirtualDevises use a DPI of 96.
-    boost::rational<long> scaleX = boost::rational<long>(contextWidth, 96) * boost::rational<long>(1440L) / boost::rational<long>(tileWidth);
-    boost::rational<long> scaleY = boost::rational<long>(contextHeight, 96) * boost::rational<long>(1440L) / boost::rational<long>(tileHeight);
+    Fraction scaleX = Fraction(contextWidth, 96) * Fraction(1440L) / Fraction(tileWidth);
+    Fraction scaleY = Fraction(contextHeight, 96) * Fraction(1440L) / Fraction(tileHeight);
     aMapMode.SetScaleX(scaleX);
     aMapMode.SetScaleY(scaleY);
     rDevice.SetMapMode(aMapMode);
@@ -2131,7 +2131,7 @@ void SwViewShell::ImplApplyViewOptions( const SwViewOption &rOpt )
     if( mpOpt->GetZoom() != rOpt.GetZoom() && !IsPreview() )
     {
         MapMode aMode( pMyWin->GetMapMode() );
-        boost::rational<long> aNewFactor( rOpt.GetZoom(), 100 );
+        Fraction aNewFactor( rOpt.GetZoom(), 100 );
         aMode.SetScaleX( aNewFactor );
         aMode.SetScaleY( aNewFactor );
         pMyWin->SetMapMode( aMode );
@@ -2172,8 +2172,8 @@ void SwViewShell::ImplApplyViewOptions( const SwViewOption &rOpt )
             ( rSz.Width() ? rSz.Width() / (rOpt.GetDivisionX()+1) : 0,
               rSz.Height()? rSz.Height()/ (rOpt.GetDivisionY()+1) : 0);
         pDView->SetGridFine( aFSize );
-        boost::rational<long> aSnGrWdtX(rSz.Width(), rOpt.GetDivisionX() + 1);
-        boost::rational<long> aSnGrWdtY(rSz.Height(), rOpt.GetDivisionY() + 1);
+        Fraction aSnGrWdtX(rSz.Width(), rOpt.GetDivisionX() + 1);
+        Fraction aSnGrWdtY(rSz.Height(), rOpt.GetDivisionY() + 1);
         pDView->SetSnapGridWidth( aSnGrWdtX, aSnGrWdtY );
 
             // set handle size to 9 pixels, always
diff --git a/sw/source/core/view/vnew.cxx b/sw/source/core/view/vnew.cxx
index 4b38f181d0b8..231abcdcb7ec 100644
--- a/sw/source/core/view/vnew.cxx
+++ b/sw/source/core/view/vnew.cxx
@@ -65,7 +65,7 @@ void SwViewShell::Init( const SwViewOption *pNewOpt )
             if( GetWin() && 100 != mpOpt->GetZoom() )
             {
                 MapMode aMode( mpWin->GetMapMode() );
-                const boost::rational<long> aNewFactor( mpOpt->GetZoom(), 100 );
+                const Fraction aNewFactor( mpOpt->GetZoom(), 100 );
                 aMode.SetScaleX( aNewFactor );
                 aMode.SetScaleY( aNewFactor );
                 mpWin->SetMapMode( aMode );