loplugin:constantfunction: canvas

Change-Id: I2fb2c4ec0e9467d7ced05b0e815e0d5bd2ba74c3

19 files changed, 0 insertions, 232 deletions

diff --git a/canvas/source/cairo/cairo_canvashelper.cxx b/canvas/source/cairo/cairo_canvashelper.cxx
index 9e271bd8b278..c0034319aa28 100644
--- a/canvas/source/cairo/cairo_canvashelper.cxx
+++ b/canvas/source/cairo/cairo_canvashelper.cxx
@@ -243,13 +243,6 @@ namespace cairocanvas
         }
     }
 
-    void CanvasHelper::drawPoint( const rendering::XCanvas*     ,
-                                  const geometry::RealPoint2D&  ,
-                                  const rendering::ViewState&   ,
-                                  const rendering::RenderState&  )
-    {
-    }
-
     void CanvasHelper::drawLine( const rendering::XCanvas*      /*pCanvas*/,
                                  const geometry::RealPoint2D&   aStartPoint,
                                  const geometry::RealPoint2D&   aEndPoint,
@@ -1520,18 +1513,6 @@ namespace cairocanvas
     }
 
 
-    void CanvasHelper::copyRect( const rendering::XCanvas*                          ,
-                                 const uno::Reference< rendering::XBitmapCanvas >&  /*sourceCanvas*/,
-                                 const geometry::RealRectangle2D&                   /*sourceRect*/,
-                                 const rendering::ViewState&                        /*sourceViewState*/,
-                                 const rendering::RenderState&                      /*sourceRenderState*/,
-                                 const geometry::RealRectangle2D&                   /*destRect*/,
-                                 const rendering::ViewState&                        /*destViewState*/,
-                                 const rendering::RenderState&                      /*destRenderState*/ )
-    {
-        // TODO(F2): copyRect NYI
-    }
-
     geometry::IntegerSize2D CanvasHelper::getSize()
     {
         if( !mpSurfaceProvider )
@@ -1591,18 +1572,6 @@ namespace cairocanvas
         return uno::Sequence< sal_Int8 >();
     }
 
-    void CanvasHelper::setData( const uno::Sequence< sal_Int8 >&        /*data*/,
-                                const rendering::IntegerBitmapLayout&   /*bitmapLayout*/,
-                                const geometry::IntegerRectangle2D&     /*rect*/ )
-    {
-    }
-
-    void CanvasHelper::setPixel( const uno::Sequence< sal_Int8 >&       /*color*/,
-                                 const rendering::IntegerBitmapLayout&  /*bitmapLayout*/,
-                                 const geometry::IntegerPoint2D&        /*pos*/ )
-    {
-    }
-
     uno::Sequence< sal_Int8 > CanvasHelper::getPixel( rendering::IntegerBitmapLayout&   /*bitmapLayout*/,
                                                       const geometry::IntegerPoint2D&   /*pos*/ )
     {
diff --git a/canvas/source/cairo/cairo_canvashelper.hxx b/canvas/source/cairo/cairo_canvashelper.hxx
index f6f009981a5b..a2282bcbbac5 100644
--- a/canvas/source/cairo/cairo_canvashelper.hxx
+++ b/canvas/source/cairo/cairo_canvashelper.hxx
@@ -87,10 +87,6 @@ namespace cairocanvas
         // XCanvas (only providing, not implementing the
         // interface. Also note subtle method parameter differences)
         void clear();
-        void drawPoint( const ::com::sun::star::rendering::XCanvas*     pCanvas,
-                        const ::com::sun::star::geometry::RealPoint2D&  aPoint,
-                        const ::com::sun::star::rendering::ViewState&   viewState,
-                        const ::com::sun::star::rendering::RenderState& renderState );
         void drawLine( const ::com::sun::star::rendering::XCanvas*      pCanvas,
                        const ::com::sun::star::geometry::RealPoint2D&   aStartPoint,
                        const ::com::sun::star::geometry::RealPoint2D&   aEndPoint,
@@ -213,16 +209,6 @@ namespace cairocanvas
         // BitmapCanvasHelper functionality
         // ================================
 
-        void copyRect( const ::com::sun::star::rendering::XCanvas*          pCanvas,
-                       const ::com::sun::star::uno::Reference<
-                               ::com::sun::star::rendering::XBitmapCanvas >&    sourceCanvas,
-                       const ::com::sun::star::geometry::RealRectangle2D&   sourceRect,
-                       const ::com::sun::star::rendering::ViewState&        sourceViewState,
-                       const ::com::sun::star::rendering::RenderState&      sourceRenderState,
-                       const ::com::sun::star::geometry::RealRectangle2D&   destRect,
-                       const ::com::sun::star::rendering::ViewState&        destViewState,
-                       const ::com::sun::star::rendering::RenderState&      destRenderState );
-
         ::com::sun::star::geometry::IntegerSize2D getSize();
 
         ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBitmap >
@@ -233,25 +219,12 @@ namespace cairocanvas
             getData( ::com::sun::star::rendering::IntegerBitmapLayout&      bitmapLayout,
                      const ::com::sun::star::geometry::IntegerRectangle2D&  rect );
 
-        void setData( const ::com::sun::star::uno::Sequence< sal_Int8 >&         data,
-                      const ::com::sun::star::rendering::IntegerBitmapLayout&    bitmapLayout,
-                      const ::com::sun::star::geometry::IntegerRectangle2D&      rect );
-
-        void setPixel( const ::com::sun::star::uno::Sequence< sal_Int8 >&        color,
-                       const ::com::sun::star::rendering::IntegerBitmapLayout&   bitmapLayout,
-                       const ::com::sun::star::geometry::IntegerPoint2D&         pos );
-
         ::com::sun::star::uno::Sequence< sal_Int8 >
             getPixel( ::com::sun::star::rendering::IntegerBitmapLayout& bitmapLayout,
                       const ::com::sun::star::geometry::IntegerPoint2D& pos );
 
         ::com::sun::star::rendering::IntegerBitmapLayout getMemoryLayout();
 
-        /** Called from XCanvas base classes, to notify that content
-            is _about_ to change
-        */
-        void modifying() {}
-
         bool hasAlpha() const { return mbHaveAlpha; }
 
         enum ColorType
diff --git a/canvas/source/cairo/cairo_devicehelper.cxx b/canvas/source/cairo/cairo_devicehelper.cxx
index 05266e424457..920481e92875 100644
--- a/canvas/source/cairo/cairo_devicehelper.cxx
+++ b/canvas/source/cairo/cairo_devicehelper.cxx
@@ -205,18 +205,6 @@ namespace cairocanvas
         return uno::Reference< rendering::XVolatileBitmap >();
     }
 
-    bool DeviceHelper::hasFullScreenMode()
-    {
-        // TODO(F3): offer fullscreen mode the XCanvas way
-        return false;
-    }
-
-    bool DeviceHelper::enterFullScreenMode( bool /*bEnter*/ )
-    {
-        // TODO(F3): offer fullscreen mode the XCanvas way
-        return false;
-    }
-
     uno::Any DeviceHelper::isAccelerated() const
     {
         return ::com::sun::star::uno::makeAny(false);
diff --git a/canvas/source/cairo/cairo_devicehelper.hxx b/canvas/source/cairo/cairo_devicehelper.hxx
index a4b739960e3b..d5a6ca3077bc 100644
--- a/canvas/source/cairo/cairo_devicehelper.hxx
+++ b/canvas/source/cairo/cairo_devicehelper.hxx
@@ -77,8 +77,6 @@ namespace cairocanvas
         ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XVolatileBitmap > createVolatileAlphaBitmap(
             const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >&  rDevice,
             const ::com::sun::star::geometry::IntegerSize2D&                                        size );
-        bool hasFullScreenMode(  );
-        bool enterFullScreenMode( bool bEnter );
 
         ::com::sun::star::uno::Any isAccelerated() const;
         ::com::sun::star::uno::Any getDeviceHandle() const;
diff --git a/canvas/source/cairo/cairo_spritedevicehelper.cxx b/canvas/source/cairo/cairo_spritedevicehelper.cxx
index 672c8bb44fa3..523354809493 100644
--- a/canvas/source/cairo/cairo_spritedevicehelper.cxx
+++ b/canvas/source/cairo/cairo_spritedevicehelper.cxx
@@ -72,19 +72,6 @@ namespace cairocanvas
         mpSpriteCanvas = NULL;
     }
 
-    ::sal_Int32 SpriteDeviceHelper::createBuffers( ::sal_Int32 /*nBuffers*/ )
-    {
-        // TODO(F3): implement XBufferStrategy interface. For now, we
-        // _always_ will have exactly one backbuffer
-        return 1;
-    }
-
-    void SpriteDeviceHelper::destroyBuffers()
-    {
-        // TODO(F3): implement XBufferStrategy interface. For now, we
-        // _always_ will have exactly one backbuffer
-    }
-
     bool SpriteDeviceHelper::showBuffer( bool, bool )
     {
         OSL_FAIL("Not supposed to be called, handled by SpriteCanvas");
diff --git a/canvas/source/cairo/cairo_spritedevicehelper.hxx b/canvas/source/cairo/cairo_spritedevicehelper.hxx
index a8be2b676b9b..7f0495bc323d 100644
--- a/canvas/source/cairo/cairo_spritedevicehelper.hxx
+++ b/canvas/source/cairo/cairo_spritedevicehelper.hxx
@@ -52,8 +52,6 @@ namespace cairocanvas
         void disposing();
 
         // XWindowGraphicDevice
-        ::sal_Int32 createBuffers( ::sal_Int32 nBuffers );
-        void        destroyBuffers(  );
         bool  showBuffer( bool, bool );
         bool  switchBuffer( bool, bool bUpdateAll );
 
diff --git a/canvas/source/opengl/ogl_bitmapcanvashelper.cxx b/canvas/source/opengl/ogl_bitmapcanvashelper.cxx
index 1a7ce4102362..715cbdca5a35 100644
--- a/canvas/source/opengl/ogl_bitmapcanvashelper.cxx
+++ b/canvas/source/opengl/ogl_bitmapcanvashelper.cxx
@@ -34,19 +34,6 @@ namespace oglcanvas
         CanvasHelper::init(rDevice,rDeviceHelper);
     }
 
-    void BitmapCanvasHelper::copyRect( const rendering::XCanvas*                            /*pCanvas*/,
-                                       const uno::Reference< rendering::XBitmapCanvas >&    /*sourceCanvas*/,
-                                       const geometry::RealRectangle2D&                     /*sourceRect*/,
-                                       const rendering::ViewState&                          /*sourceViewState*/,
-                                       const rendering::RenderState&                        /*sourceRenderState*/,
-                                       const geometry::RealRectangle2D&                     /*destRect*/,
-                                       const rendering::ViewState&                          /*destViewState*/,
-                                       const rendering::RenderState&                        /*destRenderState*/ )
-    {
-        // TODO(F2): copyRect NYI
-    }
-
-
     uno::Reference< rendering::XBitmap > BitmapCanvasHelper::getScaledBitmap( const geometry::RealSize2D& /*newSize*/,
                                                                               bool                    /*beFast*/ )
     {
@@ -61,20 +48,6 @@ namespace oglcanvas
         return uno::Sequence< sal_Int8 >();
     }
 
-    void BitmapCanvasHelper::setData( const uno::Sequence< sal_Int8 >&      /*data*/,
-                                      const rendering::IntegerBitmapLayout& /*bitmapLayout*/,
-                                      const geometry::IntegerRectangle2D&   /*rect*/ )
-    {
-        // TODO(F2): NYI - and improbable to ever be
-    }
-
-    void BitmapCanvasHelper::setPixel( const uno::Sequence< sal_Int8 >&       /*color*/,
-                                       const rendering::IntegerBitmapLayout&  /*bitmapLayout*/,
-                                       const geometry::IntegerPoint2D&        /*pos*/ )
-    {
-        // TODO(F2): NYI - and improbable to ever be
-    }
-
     uno::Sequence< sal_Int8 > BitmapCanvasHelper::getPixel( rendering::IntegerBitmapLayout&   /*bitmapLayout*/,
                                                             const geometry::IntegerPoint2D&   /*pos*/ )
     {
@@ -87,11 +60,6 @@ namespace oglcanvas
         return ::canvas::tools::getStdMemoryLayout(getSize());
     }
 
-    bool BitmapCanvasHelper::hasAlpha() const
-    {
-        return true;
-    }
-
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/opengl/ogl_bitmapcanvashelper.hxx b/canvas/source/opengl/ogl_bitmapcanvashelper.hxx
index 6e46ebe06f91..0c6758855181 100644
--- a/canvas/source/opengl/ogl_bitmapcanvashelper.hxx
+++ b/canvas/source/opengl/ogl_bitmapcanvashelper.hxx
@@ -55,16 +55,6 @@ namespace oglcanvas
         // BitmapCanvasHelper functionality
         // ================================
 
-        void copyRect( const ::com::sun::star::rendering::XCanvas*          rCanvas,
-                       const ::com::sun::star::uno::Reference<
-                            ::com::sun::star::rendering::XBitmapCanvas >&   sourceCanvas,
-                       const ::com::sun::star::geometry::RealRectangle2D&   sourceRect,
-                       const ::com::sun::star::rendering::ViewState&        sourceViewState,
-                       const ::com::sun::star::rendering::RenderState&      sourceRenderState,
-                       const ::com::sun::star::geometry::RealRectangle2D&   destRect,
-                       const ::com::sun::star::rendering::ViewState&        destViewState,
-                       const ::com::sun::star::rendering::RenderState&      destRenderState );
-
         ::com::sun::star::geometry::IntegerSize2D getSize() { return maSize; }
 
         ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBitmapCanvas > queryBitmapCanvas();
@@ -77,22 +67,12 @@ namespace oglcanvas
             getData( ::com::sun::star::rendering::IntegerBitmapLayout&      bitmapLayout,
                      const ::com::sun::star::geometry::IntegerRectangle2D&  rect );
 
-        void setData( const ::com::sun::star::uno::Sequence< sal_Int8 >&        data,
-                      const ::com::sun::star::rendering::IntegerBitmapLayout&   bitmapLayout,
-                      const ::com::sun::star::geometry::IntegerRectangle2D&     rect );
-
-        void setPixel( const ::com::sun::star::uno::Sequence< sal_Int8 >&       color,
-                       const ::com::sun::star::rendering::IntegerBitmapLayout&  bitmapLayout,
-                       const ::com::sun::star::geometry::IntegerPoint2D&        pos );
-
         ::com::sun::star::uno::Sequence< sal_Int8 >
             getPixel( ::com::sun::star::rendering::IntegerBitmapLayout& bitmapLayout,
                       const ::com::sun::star::geometry::IntegerPoint2D& pos );
 
         ::com::sun::star::rendering::IntegerBitmapLayout getMemoryLayout();
 
-        bool hasAlpha() const;
-
     private:
         ::com::sun::star::geometry::IntegerSize2D maSize;
     };
diff --git a/canvas/source/opengl/ogl_canvashelper.cxx b/canvas/source/opengl/ogl_canvashelper.cxx
index 8c4969b75cbe..f6d641f8bb2b 100644
--- a/canvas/source/opengl/ogl_canvashelper.cxx
+++ b/canvas/source/opengl/ogl_canvashelper.cxx
@@ -972,10 +972,6 @@ namespace oglcanvas
                 mpDevice->getDeviceColorSpace()->convertToARGB(renderState.DeviceColor)[0];
     }
 
-    void CanvasHelper::flush() const
-    {
-    }
-
     bool CanvasHelper::renderRecordedActions() const
     {
         std::vector<Action>::const_iterator aCurr(mpRecordedActions->begin());
diff --git a/canvas/source/opengl/ogl_canvashelper.hxx b/canvas/source/opengl/ogl_canvashelper.hxx
index 5c7ecd201db1..8499c2b643a3 100644
--- a/canvas/source/opengl/ogl_canvashelper.hxx
+++ b/canvas/source/opengl/ogl_canvashelper.hxx
@@ -181,14 +181,6 @@ namespace oglcanvas
         ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >
             getDevice() { return css::uno::Reference< css::rendering::XGraphicDevice >(mpDevice); }
 
-        // Flush drawing queue to screen
-        void                    flush() const;
-
-        /** Called from XCanvas base classes, to notify that content
-            is _about_ to change
-        */
-        void modifying() {}
-
         /** Write out recorded actions
          */
         bool renderRecordedActions() const;
diff --git a/canvas/source/opengl/ogl_spritedevicehelper.cxx b/canvas/source/opengl/ogl_spritedevicehelper.cxx
index 5b712b841692..da0c735e0bcc 100644
--- a/canvas/source/opengl/ogl_spritedevicehelper.cxx
+++ b/canvas/source/opengl/ogl_spritedevicehelper.cxx
@@ -251,31 +251,6 @@ namespace oglcanvas
         return uno::Reference< rendering::XVolatileBitmap >();
     }
 
-    bool SpriteDeviceHelper::hasFullScreenMode()
-    {
-        // TODO(F3): offer fullscreen mode the XCanvas way
-        return false;
-    }
-
-    bool SpriteDeviceHelper::enterFullScreenMode( bool /*bEnter*/ )
-    {
-        // TODO(F3): offer fullscreen mode the XCanvas way
-        return false;
-    }
-
-    ::sal_Int32 SpriteDeviceHelper::createBuffers( ::sal_Int32 /*nBuffers*/ )
-    {
-        // TODO(F3): implement XBufferStrategy interface. For now, we
-        // _always_ will have exactly one backbuffer
-        return 1;
-    }
-
-    void SpriteDeviceHelper::destroyBuffers()
-    {
-        // TODO(F3): implement XBufferStrategy interface. For now, we
-        // _always_ will have exactly one backbuffer
-    }
-
     namespace
     {
         /** Functor providing a StrictWeakOrdering for XSprites (over
diff --git a/canvas/source/opengl/ogl_spritedevicehelper.hxx b/canvas/source/opengl/ogl_spritedevicehelper.hxx
index 4eb3c4b0e94c..b1a988d51305 100644
--- a/canvas/source/opengl/ogl_spritedevicehelper.hxx
+++ b/canvas/source/opengl/ogl_spritedevicehelper.hxx
@@ -72,11 +72,6 @@ namespace oglcanvas
             const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >&  rDevice,
             const ::com::sun::star::geometry::IntegerSize2D&                                        size );
 
-        bool hasFullScreenMode(  );
-        bool enterFullScreenMode( bool bEnter );
-
-        ::sal_Int32 createBuffers( ::sal_Int32 nBuffers );
-        void        destroyBuffers(  );
         bool  showBuffer( bool bIsVisible, bool bUpdateAll );
         bool  switchBuffer( bool bIsVisible, bool bUpdateAll );
 
diff --git a/canvas/source/tools/propertysethelper.cxx b/canvas/source/tools/propertysethelper.cxx
index 46ebc3543058..477fda9ee19c 100644
--- a/canvas/source/tools/propertysethelper.cxx
+++ b/canvas/source/tools/propertysethelper.cxx
@@ -143,12 +143,6 @@ namespace canvas
             throwUnknown( aPropertyName );
     }
 
-    void PropertySetHelper::removePropertyChangeListener( const OUString&                                  /*aPropertyName*/,
-                                                          const uno::Reference< beans::XPropertyChangeListener >& /*xListener*/ )
-    {
-        // ignore request, no listener added in the first place
-    }
-
     void PropertySetHelper::addVetoableChangeListener( const OUString&                                  aPropertyName,
                                                        const uno::Reference< beans::XVetoableChangeListener >& /*xListener*/ )
     {
@@ -158,11 +152,6 @@ namespace canvas
             throwUnknown( aPropertyName );
     }
 
-    void PropertySetHelper::removeVetoableChangeListener( const OUString&                                  /*aPropertyName*/,
-                                                          const uno::Reference< beans::XVetoableChangeListener >& /*xListener*/ )
-    {
-        // ignore request, no listener added in the first place
-    }
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/canvas/source/vcl/canvashelper.cxx b/canvas/source/vcl/canvashelper.cxx
index 7b9c9cea6b59..5bf8b372655c 100644
--- a/canvas/source/vcl/canvashelper.cxx
+++ b/canvas/source/vcl/canvashelper.cxx
@@ -899,18 +899,6 @@ namespace vclcanvas
                                true );
     }
 
-    void CanvasHelper::copyRect( const rendering::XCanvas*                          ,
-                                 const uno::Reference< rendering::XBitmapCanvas >&  ,
-                                 const geometry::RealRectangle2D&                   ,
-                                 const rendering::ViewState&                        ,
-                                 const rendering::RenderState&                      ,
-                                 const geometry::RealRectangle2D&                   ,
-                                 const rendering::ViewState&                        ,
-                                 const rendering::RenderState&                       )
-    {
-        // TODO(F1)
-    }
-
     geometry::IntegerSize2D CanvasHelper::getSize()
     {
         if( !mpOutDev.get() )
diff --git a/canvas/source/vcl/canvashelper.hxx b/canvas/source/vcl/canvashelper.hxx
index 6920c88f9b05..0f22ea667b43 100644
--- a/canvas/source/vcl/canvashelper.hxx
+++ b/canvas/source/vcl/canvashelper.hxx
@@ -231,16 +231,6 @@ namespace vclcanvas
         // BitmapCanvasHelper functionality
         // ================================
 
-        void copyRect( const ::com::sun::star::rendering::XCanvas*          rCanvas,
-                       const ::com::sun::star::uno::Reference<
-                               ::com::sun::star::rendering::XBitmapCanvas >&    sourceCanvas,
-                       const ::com::sun::star::geometry::RealRectangle2D&   sourceRect,
-                       const ::com::sun::star::rendering::ViewState&        sourceViewState,
-                       const ::com::sun::star::rendering::RenderState&      sourceRenderState,
-                       const ::com::sun::star::geometry::RealRectangle2D&   destRect,
-                       const ::com::sun::star::rendering::ViewState&        destViewState,
-                       const ::com::sun::star::rendering::RenderState&      destRenderState );
-
         ::com::sun::star::geometry::IntegerSize2D getSize();
 
         ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBitmapCanvas > queryBitmapCanvas();
@@ -293,11 +283,6 @@ namespace vclcanvas
                               const ::com::sun::star::rendering::RenderState&   renderState,
                               ColorType                                         eColorType ) const;
 
-        /** Called from XCanvas base classes, to notify that content
-            is _about_ to change
-        */
-        void modifying() {}
-
         bool hasAlpha() const { return mbHaveAlpha; }
 
     protected:
diff --git a/canvas/source/vcl/devicehelper.cxx b/canvas/source/vcl/devicehelper.cxx
index d90d8771ee89..dd600fc05f33 100644
--- a/canvas/source/vcl/devicehelper.cxx
+++ b/canvas/source/vcl/devicehelper.cxx
@@ -149,11 +149,6 @@ namespace vclcanvas
         return uno::Reference< rendering::XVolatileBitmap >();
     }
 
-    bool DeviceHelper::hasFullScreenMode()
-    {
-        return false;
-    }
-
     bool DeviceHelper::enterFullScreenMode( bool bEnter )
     {
         (void)bEnter;
diff --git a/canvas/source/vcl/devicehelper.hxx b/canvas/source/vcl/devicehelper.hxx
index 3ae48b570a01..55bf9bfa8ffe 100644
--- a/canvas/source/vcl/devicehelper.hxx
+++ b/canvas/source/vcl/devicehelper.hxx
@@ -68,7 +68,6 @@ namespace vclcanvas
         ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XVolatileBitmap > createVolatileAlphaBitmap(
             const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >&  rDevice,
             const ::com::sun::star::geometry::IntegerSize2D&                                        size );
-        bool hasFullScreenMode(  );
         bool enterFullScreenMode( bool bEnter );
 
         ::com::sun::star::uno::Any isAccelerated() const;
diff --git a/canvas/source/vcl/spritedevicehelper.cxx b/canvas/source/vcl/spritedevicehelper.cxx
index dca04518373d..6e347b951063 100644
--- a/canvas/source/vcl/spritedevicehelper.cxx
+++ b/canvas/source/vcl/spritedevicehelper.cxx
@@ -68,12 +68,6 @@ namespace vclcanvas
         return 1;
     }
 
-    void SpriteDeviceHelper::destroyBuffers()
-    {
-        // TODO(F3): implement XBufferStrategy interface. For now, we
-        // _always_ will have exactly one backbuffer
-    }
-
     bool SpriteDeviceHelper::showBuffer( bool, bool )
     {
         OSL_FAIL("Not supposed to be called, handled by SpriteCanvas");
diff --git a/canvas/source/vcl/spritedevicehelper.hxx b/canvas/source/vcl/spritedevicehelper.hxx
index 2dc05637da23..b2b980554916 100644
--- a/canvas/source/vcl/spritedevicehelper.hxx
+++ b/canvas/source/vcl/spritedevicehelper.hxx
@@ -49,7 +49,6 @@ namespace vclcanvas
         void disposing();
 
         ::sal_Int32 createBuffers( ::sal_Int32 nBuffers );
-        void        destroyBuffers(  );
         bool  showBuffer( bool bWindowVisible, bool bUpdateAll );
         bool  switchBuffer( bool bWindowVisible, bool bUpdateAll );