commit 3622404f09448b82c095256140afe6240b522ece
author Noel Grandin <noel.grandin@collabora.co.uk> Wed Oct 11 12:54:43 2023 +0200
committer Noel Grandin <noel.grandin@collabora.co.uk> Thu Oct 12 07:57:02 2023 +0200
tree a073aa55a39af1dfde7d3ca97e5062d78ca49b63
parent 44fed6aec98320bf7ec793f08447bb8d455abc4f

tdf#157636 FILEOPEN: PPT: Images have no background

regression from
    commit 81994cb2b8b32453a92bcb011830fcb884f22ff3
    Convert internal vcl bitmap formats transparency->alpha (II)

Change-Id: Ia0ed01e7c0d41bd909fe48666bc9aca5ff31d2bd
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/157824
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

vcl/source/bitmap/BitmapEx.cxx

diff --git a/vcl/source/bitmap/BitmapEx.cxx b/vcl/source/bitmap/BitmapEx.cxx
index c9be555..7333aea 100644
--- a/vcl/source/bitmap/BitmapEx.cxx
+++ b/vcl/source/bitmap/BitmapEx.cxx
@@ -1447,6 +1447,7 @@ void BitmapEx::CombineMaskOr(Color maskColor, sal_uInt8 nTol)
    Bitmap aNewMask = maBitmap.CreateMask( maskColor, nTol );
    if ( IsAlpha() )
         aNewMask.CombineOr( maAlphaMask );
    aNewMask.Invert();
    maAlphaMask = aNewMask;
}