Use BMP_SCALE_LANCZOS instead of BMP_SCALE_INTERPOLATE.

Where we explicitly ask for better quality, use BMP_SCALE_LANCZOS, instead of
BMP_SCALE_INTERPOLATE.

Change-Id: I28ddf3290204532a8660e09ee9ab0949b6ce1c73

5 files changed, 5 insertions, 5 deletions

diff --git a/sd/source/ui/dlg/dlgass.cxx b/sd/source/ui/dlg/dlgass.cxx
index cd61216dfdde..8d0009cadadc 100644
--- a/sd/source/ui/dlg/dlgass.cxx
+++ b/sd/source/ui/dlg/dlgass.cxx
@@ -92,7 +92,7 @@ void InterpolateFixedBitmap( FixedBitmap * pBitmap )
 {
     Bitmap aBmp( pBitmap->GetBitmap() );
     Size aSize = pBitmap->GetSizePixel();
-    aBmp.Scale( aSize, BMP_SCALE_INTERPOLATE );
+    aBmp.Scale( aSize, BMP_SCALE_LANCZOS );
     pBitmap->SetBitmap( aBmp );
 }
 
diff --git a/sd/source/ui/presenter/SlideRenderer.cxx b/sd/source/ui/presenter/SlideRenderer.cxx
index b7ce08095e06..5c3b4ba8804a 100644
--- a/sd/source/ui/presenter/SlideRenderer.cxx
+++ b/sd/source/ui/presenter/SlideRenderer.cxx
@@ -233,7 +233,7 @@ BitmapEx SlideRenderer::CreatePreview (
         BitmapEx aScaledPreview = aPreview.GetBitmapEx();
         aScaledPreview.Scale(
             Size(aPreviewSize.Width,aPreviewSize.Height),
-            BMP_SCALE_INTERPOLATE);
+            BMP_SCALE_LANCZOS);
         return aScaledPreview;
     }
 }
diff --git a/sd/source/ui/slidesorter/cache/SlsBitmapFactory.cxx b/sd/source/ui/slidesorter/cache/SlsBitmapFactory.cxx
index 871713c5622d..503498ceec5b 100644
--- a/sd/source/ui/slidesorter/cache/SlsBitmapFactory.cxx
+++ b/sd/source/ui/slidesorter/cache/SlsBitmapFactory.cxx
@@ -87,7 +87,7 @@ Bitmap BitmapFactory::CreateBitmap (
         false).GetBitmapEx().GetBitmap());
     if (bDoSuperSampling && gbAllowSuperSampling)
     {
-        aPreview.Scale(rPixelSize, BMP_SCALE_INTERPOLATE);
+        aPreview.Scale(rPixelSize, BMP_SCALE_LANCZOS);
     }
 
     return aPreview;
diff --git a/sd/source/ui/slidesorter/view/SlsInsertionIndicatorOverlay.cxx b/sd/source/ui/slidesorter/view/SlsInsertionIndicatorOverlay.cxx
index 6bde0447abde..464f5cdd13c0 100644
--- a/sd/source/ui/slidesorter/view/SlsInsertionIndicatorOverlay.cxx
+++ b/sd/source/ui/slidesorter/view/SlsInsertionIndicatorOverlay.cxx
@@ -216,7 +216,7 @@ Point InsertionIndicatorOverlay::PaintRepresentatives (
         const Size aSuperSampleSize(
             aPreviewSize.Width()*gnSuperScaleFactor,
             aPreviewSize.Height()*gnSuperScaleFactor);
-        aPreview.Scale(aPreviewSize, BMP_SCALE_INTERPOLATE);
+        aPreview.Scale(aPreviewSize, BMP_SCALE_LANCZOS);
         rContent.DrawBitmapEx(aPageOffset, aPreview);
 
         // When the page is marked as excluded from the slide show then
diff --git a/sd/source/ui/tools/PreviewRenderer.cxx b/sd/source/ui/tools/PreviewRenderer.cxx
index fb81193fb82e..4b831c2c4894 100644
--- a/sd/source/ui/tools/PreviewRenderer.cxx
+++ b/sd/source/ui/tools/PreviewRenderer.cxx
@@ -512,7 +512,7 @@ Image PreviewRenderer::ScaleBitmap (
 
         // Paint the bitmap scaled to the desired width.
         BitmapEx aScaledBitmap (rBitmapEx.GetBitmap());
-        aScaledBitmap.Scale (aPreviewSize, BMP_SCALE_INTERPOLATE);
+        aScaledBitmap.Scale (aPreviewSize, BMP_SCALE_LANCZOS);
         mpPreviewDevice->DrawBitmap (
             Point(1,1),
             aPreviewSize,