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-rw-r--r--vcl/source/gdi/alpha.cxx3
1 files changed, 2 insertions, 1 deletions
diff --git a/vcl/source/gdi/alpha.cxx b/vcl/source/gdi/alpha.cxx
index 7e1721e3dd55..32c42d0d0742 100644
--- a/vcl/source/gdi/alpha.cxx
+++ b/vcl/source/gdi/alpha.cxx
@@ -66,7 +66,8 @@ const Bitmap& AlphaMask::ImplGetBitmap() const
void AlphaMask::ImplSetBitmap( const Bitmap& rBitmap )
{
- DBG_ASSERT( ( 8 == rBitmap.GetBitCount() ) && rBitmap.HasGreyPalette(), "AlphaMask::ImplSetBitmap: invalid bitmap" );
+ SAL_WARN_IF( 8 != rBitmap.GetBitCount(), "vcl.gdi", "Bitmap should be 8bpp, not " << rBitmap.GetBitCount() << "bpp" );
+ SAL_WARN_IF( !rBitmap.HasGreyPalette(), "vcl.gdi", "Bitmap isn't greyscale" );
*(Bitmap*) this = rBitmap;
}