1 files changed, 3 insertions, 3 deletions
diff --git a/canvas/source/cairo/cairo_spritedevicehelper.hxx b/canvas/source/cairo/cairo_spritedevicehelper.hxx
index c541d9cf2a47..f7ad11205a67 100644
--- a/canvas/source/cairo/cairo_spritedevicehelper.hxx
+++ b/canvas/source/cairo/cairo_spritedevicehelper.hxx
@@ -59,11 +59,11 @@ namespace cairocanvas
         void notifySizeUpdate( const css::awt::Rectangle& rBounds );
         void setSize( const ::basegfx::B2ISize& rSize );
 
-        const ::cairo::SurfaceSharedPtr& getBufferSurface() { return mpBufferSurface; }
-        ::cairo::SurfaceSharedPtr const & getWindowSurface();
+        const ::cairo::SurfaceSharedPtr& getBufferSurface() const { return mpBufferSurface; }
+        ::cairo::SurfaceSharedPtr const & getWindowSurface() const;
         ::cairo::SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rSize, int aContent );
         ::cairo::SurfaceSharedPtr createSurface( BitmapSystemData const & rData, const Size& rSize );
-        const ::basegfx::B2ISize& getSizePixel() { return maSize; }
+        const ::basegfx::B2ISize& getSizePixel() const { return maSize; }
         void flush();
 
     private: