diff options
| -rw-r--r-- | vcl/source/outdev/bitmap.cxx | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/vcl/source/outdev/bitmap.cxx b/vcl/source/outdev/bitmap.cxx index bcab1a4d7793..2a013fe119b2 100644 --- a/vcl/source/outdev/bitmap.cxx +++ b/vcl/source/outdev/bitmap.cxx @@ -1088,8 +1088,8 @@ bool OutputDevice::DrawTransformBitmapExDirect( } else if (mpAlphaVDev) { - aAlphaBitmap = Bitmap(rBitmapEx.GetSizePixel(), 8); - aAlphaBitmap.Erase(COL_BLACK); + aAlphaBitmap = AlphaMask(rBitmapEx.GetSizePixel()); + aAlphaBitmap.Erase(COL_BLACK); // opaque } SalBitmap* pSalAlphaBmp = aAlphaBitmap.ImplGetSalBitmap().get(); @@ -1105,8 +1105,8 @@ bool OutputDevice::DrawTransformBitmapExDirect( if (mpAlphaVDev) { // Merge bitmap alpha to alpha device - Bitmap aBlack(rBitmapEx.GetSizePixel(), 8); - aBlack.Erase(COL_BLACK); + AlphaMask aBlack(rBitmapEx.GetSizePixel()); + aBlack.Erase(0); // opaque mpAlphaVDev->DrawTransformBitmapExDirect(aFullTransform, BitmapEx(aBlack, aAlphaBitmap)); } |