1 files changed, 2 insertions, 1 deletions
diff --git a/vcl/inc/salgdiimpl.hxx b/vcl/inc/salgdiimpl.hxx
index eb1508dcf7d6..8b310c586e1a 100644
--- a/vcl/inc/salgdiimpl.hxx
+++ b/vcl/inc/salgdiimpl.hxx
@@ -194,7 +194,8 @@ public:
                 const basegfx::B2DPoint& rX,
                 const basegfx::B2DPoint& rY,
                 const SalBitmap& rSourceBitmap,
-                const SalBitmap* pAlphaBitmap) = 0;
+                const SalBitmap* pAlphaBitmap,
+                double fAlpha) = 0;
 
     /// Used e.g. by canvas to know whether to cache the drawing.
     virtual bool hasFastDrawTransformedBitmap() const = 0;