1 files changed, 28 insertions, 11 deletions

diff --git a/svx/source/stbctrls/zoomsliderctrl.cxx b/svx/source/stbctrls/zoomsliderctrl.cxx
index fc72cb621f8c..638a8505fb9a 100644
--- a/svx/source/stbctrls/zoomsliderctrl.cxx
+++ b/svx/source/stbctrls/zoomsliderctrl.cxx
@@ -63,18 +63,12 @@ struct SvxZoomSliderControl::SvxZoomSliderControl_Impl
         mbValuesSet( false ),
         mbOmitPaint( false ) {}
 };
 
 // -----------------------------------------------------------------------
 
-const long nButtonWidth   = 10;
-const long nButtonHeight  = 10;
-const long nIncDecWidth   = 10;
-const long nIncDecHeight  = 10;
-const long nSliderHeight  = 2;
-const long nSnappingHeight = 4;
 const long nSliderXOffset = 20;
 const long nSnappingEpsilon = 5; // snapping epsilon in pixels
 const long nSnappingPointsMinDist = nSnappingEpsilon; // minimum distance of two adjacent snapping points
 
 // -----------------------------------------------------------------------
 
@@ -172,12 +166,29 @@ SvxZoomSliderControl::SvxZoomSliderControl( sal_uInt16 _nSlotId,  sal_uInt16 _nI
     SfxStatusBarControl( _nSlotId, _nId, _rStb ),
     mpImpl( new SvxZoomSliderControl_Impl )
 {
     mpImpl->maSliderButton   = Image( SVX_RES( RID_SVXBMP_SLIDERBUTTON   ) );
     mpImpl->maIncreaseButton = Image( SVX_RES( RID_SVXBMP_SLIDERINCREASE ) );
     mpImpl->maDecreaseButton = Image( SVX_RES( RID_SVXBMP_SLIDERDECREASE ) );
+
+    if ( _rStb.GetDPIScaleFactor() > 1)
+    {
+        Image arr[3] = {mpImpl->maSliderButton, mpImpl->maIncreaseButton, mpImpl->maDecreaseButton};
+
+        for (int i = 0; i < 3; i++)
+        {
+            BitmapEx b = arr[i].GetBitmapEx();
+            //Use Lanczos scaling for the slider button because it does a better job with circles
+            b.Scale(_rStb.GetDPIScaleFactor(), _rStb.GetDPIScaleFactor(), i == 0 ? BMP_SCALE_LANCZOS : BMP_SCALE_FAST);
+            arr[i] = Image(b);
+        }
+
+        mpImpl->maSliderButton = arr[0];
+        mpImpl->maIncreaseButton = arr[1];
+        mpImpl->maDecreaseButton = arr[2];
+    }
 }
 
 // -----------------------------------------------------------------------
 
 SvxZoomSliderControl::~SvxZoomSliderControl()
 {
@@ -255,24 +266,28 @@ void SvxZoomSliderControl::Paint( const UserDrawEvent& rUsrEvt )
 
     const Rectangle     aControlRect = getControlRect();
     OutputDevice*       pDev =  rUsrEvt.GetDevice();
     Rectangle           aRect = rUsrEvt.GetRect();
     Rectangle           aSlider = aRect;
 
+    long nSliderHeight  = 2 * pDev->GetDPIScaleFactor();
+    long nSnappingHeight = 4 * pDev->GetDPIScaleFactor();
+
     aSlider.Top()   += (aControlRect.GetHeight() - nSliderHeight)/2;
     aSlider.Bottom() = aSlider.Top() + nSliderHeight - 1;
     aSlider.Left()  += nSliderXOffset;
     aSlider.Right() -= nSliderXOffset;
 
     Color               aOldLineColor = pDev->GetLineColor();
     Color               aOldFillColor = pDev->GetFillColor();
 
     const StyleSettings& rStyleSettings = Application::GetSettings().GetStyleSettings();
     pDev->SetLineColor( rStyleSettings.GetShadowColor() );
     pDev->SetFillColor( rStyleSettings.GetShadowColor() );
 
+
     // draw snapping points:
     std::vector< long >::iterator aSnappingPointIter;
     for ( aSnappingPointIter = mpImpl->maSnappingPointOffsets.begin();
           aSnappingPointIter != mpImpl->maSnappingPointOffsets.end();
           ++aSnappingPointIter )
     {
@@ -285,24 +300,24 @@ void SvxZoomSliderControl::Paint( const UserDrawEvent& rUsrEvt )
     // draw slider
     pDev->DrawRect( aSlider );
 
     // draw slider button
     Point aImagePoint = aRect.TopLeft();
     aImagePoint.X() += Zoom2Offset( mpImpl->mnCurrentZoom );
-    aImagePoint.X() -= nButtonWidth/2;
-    aImagePoint.Y() += (aControlRect.GetHeight() - nButtonHeight)/2;
+    aImagePoint.X() -= mpImpl->maSliderButton.GetSizePixel().Width()/2;
+    aImagePoint.Y() += (aControlRect.GetHeight() - mpImpl->maSliderButton.GetSizePixel().Height())/2;
     pDev->DrawImage( aImagePoint, mpImpl->maSliderButton );
 
     // draw decrease button
     aImagePoint = aRect.TopLeft();
-    aImagePoint.X() += (nSliderXOffset - nIncDecWidth)/2;
-    aImagePoint.Y() += (aControlRect.GetHeight() - nIncDecHeight)/2;
+    aImagePoint.X() += (nSliderXOffset - mpImpl->maDecreaseButton.GetSizePixel().Width())/2;
+    aImagePoint.Y() += (aControlRect.GetHeight() - mpImpl->maDecreaseButton.GetSizePixel().Height())/2;
     pDev->DrawImage( aImagePoint, mpImpl->maDecreaseButton );
 
     // draw increase button
-    aImagePoint.X() = aRect.TopLeft().X() + aControlRect.GetWidth() - nIncDecWidth - (nSliderXOffset - nIncDecWidth)/2;
+    aImagePoint.X() = aRect.TopLeft().X() + aControlRect.GetWidth() - mpImpl->maIncreaseButton.GetSizePixel().Width() - (nSliderXOffset - mpImpl->maIncreaseButton.GetSizePixel().Height())/2;
     pDev->DrawImage( aImagePoint, mpImpl->maIncreaseButton );
 
     pDev->SetLineColor( aOldLineColor );
     pDev->SetFillColor( aOldFillColor );
 }
 
@@ -314,12 +329,14 @@ sal_Bool SvxZoomSliderControl::MouseButtonDown( const MouseEvent & rEvt )
         return sal_True;
 
     const Rectangle aControlRect = getControlRect();
     const Point aPoint = rEvt.GetPosPixel();
     const sal_Int32 nXDiff = aPoint.X() - aControlRect.Left();
 
+    long nIncDecWidth   = mpImpl->maIncreaseButton.GetSizePixel().Width();
+
     const long nButtonLeftOffset = (nSliderXOffset - nIncDecWidth)/2;
     const long nButtonRightOffset = (nSliderXOffset + nIncDecWidth)/2;
 
     const long nOldZoom = mpImpl->mnCurrentZoom;
 
     // click to - button