vcl/source/graphic/UnoGraphic.cxx | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
New commits:
commit bb6db3aa4c86b92e8321d6734bcb34ba28dfeb27
Author: Noel Grandin <noel.gran...@collabora.co.uk>
AuthorDate: Wed Oct 16 10:25:28 2024 +0200
Commit: Noel Grandin <noel.gran...@collabora.co.uk>
CommitDate: Wed Oct 16 16:57:30 2024 +0200
tdf#163381 XBitmap.getMaskDIB() is inverted
regression from the transparency->alpha work
Change-Id: I2aaf8262191ca6136f87c59629e95bd9a7e7e419
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/174991
Reviewed-by: Noel Grandin <noel.gran...@collabora.co.uk>
Tested-by: Jenkins
diff --git a/vcl/source/graphic/UnoGraphic.cxx
b/vcl/source/graphic/UnoGraphic.cxx
index 2f360c8b40b7..484d04443f72 100644
--- a/vcl/source/graphic/UnoGraphic.cxx
+++ b/vcl/source/graphic/UnoGraphic.cxx
@@ -165,7 +165,10 @@ uno::Sequence<sal_Int8> SAL_CALL Graphic::getMaskDIB()
{
SvMemoryStream aMemoryStream;
- WriteDIB(maGraphic.GetBitmapEx().GetAlphaMask().GetBitmap(),
aMemoryStream, false, true);
+ AlphaMask aMask = maGraphic.GetBitmapEx().GetAlphaMask();
+ // for backwards compatibility for extensions, we need to convert from
alpha to transparency
+ aMask.Invert();
+ WriteDIB(aMask.GetBitmap(), aMemoryStream, false, true);
return css::uno::Sequence<sal_Int8>( static_cast<sal_Int8 const
*>(aMemoryStream.GetData()), aMemoryStream.Tell() );
}
else
